CN107775878A - Plastic sound-absorbing material processing method, product and mould - Google Patents
Plastic sound-absorbing material processing method, product and mould Download PDFInfo
- Publication number
- CN107775878A CN107775878A CN201710706691.0A CN201710706691A CN107775878A CN 107775878 A CN107775878 A CN 107775878A CN 201710706691 A CN201710706691 A CN 201710706691A CN 107775878 A CN107775878 A CN 107775878A
- Authority
- CN
- China
- Prior art keywords
- plastics
- mould
- sound
- plastic
- sound absorber
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 81
- 229920003023 plastic Polymers 0.000 title claims abstract description 81
- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 239000011358 absorbing material Substances 0.000 title abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 239000006096 absorbing agent Substances 0.000 claims description 33
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 30
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 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
- B29C45/1703—Introducing an auxiliary fluid into the mould
-
- 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
-
- 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
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
- B29L2031/608—Honeycomb structures
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
A plastic sound absorbing material processing method, a product and a mould are provided, the plastic sound absorbing material processing method is that in the process of melting plastic and forming the plastic by the mould, a plurality of bubble holes with different sizes and depths are formed on the surface of the plastic in a mode of blowing the surface of the plastic through a plurality of blowing holes arranged on the mould under the state that the plastic is not solidified, and the plastic sound absorbing material with a plurality of sound absorbing holes on the surface is manufactured after the plastic is hardened; the invention can rapidly manufacture the plate-shaped, sheet-shaped or shell-shaped plastic sound absorbing material by the processing method, and because the surface of the plastic sound absorbing material is distributed with the bubble holes with different sizes, the material and the shape of the product can be freely designed and can be widely used for shells of building materials, decorations or industrial products, and the bubble holes arranged on the surface of the plastic sound absorbing material can correspondingly absorb sound waves with different ranges of wavelengths, thereby achieving good sound absorbing effect.
Description
Technical field
The present invention relates to a kind of processing method, more particularly to one kind to blow to be formed in plastic moulding process in frosting
Crafters and the method for making plastics sound absorber.
Background technology
In environment arround human lives, due to the source for thering is vehicle, cold air etc. to produce noise, therefore often in nature
Environment beyond, produce the noise that various differences disturb people.Above-mentioned noise has had a strong impact on quality of life, in recording studio, doctor
Treat the pollution that noise is especially impatient in the place that institutes etc. needs peace and quiet.
To solve the problems, such as above-mentioned noise, the material of the building materials or decoration of a variety of sound-absorbings or sound insulation arises at the historic moment, such as inhales
The principle of sound sponge or metal, wooden abatvoix, above-mentioned sound-absorbing sponge or sound-absorbing metal plate is formed on the surface of sheet material
Hole, enter the characteristic that kinetic energy can decay in hole using sound wave, cut down caused noise in environment.
But foregoing sound-absorbing sponge is bulky, becomes easily infected by dust without easy to clean, and the abatvoix of metal except
Heaviness, need to calculate load-bearing on beyond making set location limited, also costly, both the above sound-absorbing material exists price
With having the shortcomings that obvious in upper and manufacturing cost.
The content of the invention
Due to existing sound-absorbing sponge or sound-absorbing metal plate have be not easily cleaned or weight weight, purposes be limited cost it is high lack
Point.Therefore, the present invention is during plastic melt is with mould molding, by multiple gas holes that mould is provided with to plastic table
Face is blown, and producing in light weight and surface has the plastics sound absorber of multiple sound-absorption holes.
To reach above-mentioned creation purpose, the present invention provides a kind of plastics sound absorber processing method, and step includes：
Injection molding：By plastic melt and with mould molding；
Air blowing forms crafters：In plastics with mould molding but still under not solidified state, it is provided with by mould more
Individual gas hole is blown to the surface of plastics, and the crafters of multiple different sizes, depth is formed on the surface of the plastics；And
Cooling and solidifying：After plastics cooling, being fixed in multiple crafters of the frosting turns into different size of suction
Sound hole, each sound-absorption hole has an opening, and the width dimensions inside more each sound-absorption hole of width dimensions being respectively open are narrow, will the modeling
A surface, which is made, in material has the plastics sound absorber of multiple foregoing sound-absorption holes.
Preferably, the processing method of the present invention is in the step of air blowing forms crafters, it is multiple on the mould
Gas hole is the hole that diameter is not more than 0.2mm.
A kind of plastics sound absorber product is made by the processing method of the invention described above, provided with a plastics sound absorber, at this
The surface of plastics sound absorber forms multiple sound-absorption holes of different sizes, and each sound-absorption hole has an opening, and the broad-ruler of the opening
It is very little narrow compared with the width dimensions inside the sound-absorption hole.
Preferably, the width dimensions being open described in the product of the present invention are not more than 0.2mm.
Plastics sound absorber mould used in the invention described above processing method, including a die ontology and one be embedded at this
The die of die ontology, wherein：
A groove is formed in the die ontology, in the recessed air chamber in the inner side of the groove, one is worn on the inside of the air chamber
Air flue, the air flue form a gas injection port on the surface of the die ontology；And
The die is embedded in the groove, to should air chamber scope, run through multiple gas holes in the die, it is each
Gas hole communicates with the air chamber.
Preferably, in the mould of the present invention, the die ontology is provided with a die cavity, and described groove is formed in the die cavity
Inner side.
Preferably, in the mould of the present invention, the die ontology is roller, and described groove forms the table in the roller
Face.
The present invention can be blown by above-mentioned processing method in plastic ejection moulding or plastics extrusion forming using mould
The mode of gas produces the plastics sound absorber with size, depth difference sound-absorption hole, and the speed of manufacture is fast and light weight processed, just
Preferably, plus size, depth is different and irregular sound-absorption hole can make the sound wave of different wave length decay, therefore mitigate the effect of noise
Good, can be widely used in building materials, decoration etc. needs environment or the field of sound-absorbing.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the first preferred embodiment of inventive die.
Fig. 2 is that schematic diagram is implemented in the use of the first preferred embodiment of inventive die.
Fig. 3 is the step flow chart of the inventive method preferred embodiment.
Fig. 4 is the diagrammatic cross-section of inventive article.
Fig. 5 is the schematic perspective view of the second preferred embodiment of inventive die.
Fig. 6 is that schematic diagram is implemented in the use of the second preferred embodiment of inventive die.
Description of reference numerals：
10：Die ontology, 11：Die cavity, 12：Groove, 13：Air chamber, 14：Air flue,
15：Gas injection port, 20：Die, 21：Gas hole, 30：Plastics, 31：Crafters,
32：Opening, 40：Plastics sound absorber, 41：Sound-absorption hole.
Embodiment
It for the technical characteristic and practical effect of the present invention can be understood in detail, and can implement according to the content of specification, enter
One step is described in detail as follows with preferred embodiment as shown in drawings.
The present invention is a kind of plastics sound absorber processing method, the plastics sound absorber mould used in its method and step, such as Fig. 1
The first shown preferred embodiment, it is to include a die ontology 10 and one be embedded die 20 in the die ontology 10, and uses
In the environment of plastic ejection moulding, wherein：
The die ontology 10 is provided with a die cavity 11, and the die cavity 11 is the space of plate shape, the top inside the die cavity 11
The recessed groove 12 in side, the recessed air chamber 13 in top side inside the groove 12, wears an air flue 14 inside the air chamber 13, should
The surface that air flue 14 extends to the die ontology 10 forms a gas injection port 15.
The die 20 is plate body and the groove 12 that is embedded in the die ontology 10 is fixed, to should groove 12 scope,
Run through multiple gas holes 21 in the die 20, one end of each gas hole 21 communicates with the air chamber 13, and each gas hole 21 is diameter
Hole no more than 0.2mm.
When the first preferred embodiment of foregoing plastics sound absorber mould is used for plastics sound absorber processing method, its processing side
The step of method as shown in figure 3, including：
Injection molding：As shown in Figure 1 and Figure 2, inject in the die cavity 11 of the die ontology 10 and be shaped to after plastics 30 are melted
Tabular.
Air blowing forms crafters：As shown in Figure 1 and Figure 2, the plastics 30 shaping but still not solidified state in the die cavity 11
Under, pressurized gas source, multiple air blowings that gases at high pressure are passed through into the die 20 by air flue 14, air chamber 13 are connected with gas injection port 15
Hole 21 is blown to the surface of the plastics 30, because the pressure size of each blow gas of gas hole 21 will not be identical, plastics 30
Temperature, density everywhere will not be identical, and each gas hole 21 is the hole that diameter is not more than 0.2mm, therefore can be in the modeling
The surface of material 30 forms the micro-bubble hole 31 of multiple different sizes, depth, and multiple crafters 31 have an opening 32 respectively, respectively
Width dimensions inside more each crafters 31 of width dimensions of the opening 32 of crafters 31 are narrow.
Cooling and solidifying：The plastics 30 hardening by cooling in the die cavity 11 of the die ontology 10 is treated, at this moment the surface of plastics 30
Multiple crafters 31 fix turn into different size of sound-absorption hole 41, as shown in figure 4, each sound-absorption hole 41 have one be open 32, and
Width dimensions inside more each sound-absorption hole 41 of width dimensions of each opening 32 are narrow, that is, completing the plastics 30 surface is made has
The processing procedure of the plastics sound absorber 40 of multiple foregoing sound-absorption holes 41, it is solid that the plastics sound absorber 40, which is not formed at multiple sound-absorption holes 41,
Construction, and the width dimensions of the opening 32 of each sound-absorption hole 41 are not more than 0.2mm.
The plastics sound absorber mould of the present invention, except foregoing first preferred embodiment, the environment of plastic injection is used in, such as
The second preferred embodiment shown in Fig. 5, Fig. 6, the environment of plastics extrusion molding is used in, the plastics sound absorber mould includes one
Die ontology 10 and one is embedded the die 20 in the die ontology 10, wherein：
The die ontology 10 is roller, in the recessed groove 12 in the surface of the die ontology 10, in the inner side of the groove 12
A recessed air chamber 13, an air flue 14 is worn in the inner side of air chamber 13, the surface that the air flue 14 extends to the die ontology 10 is formed
One gas injection port 15.
The die 20 is the plate body of arc and the groove 12 that is embedded in the die ontology 10 is fixed, to should groove 12
Scope, run through multiple gas holes 21 in the die 20, one end of each gas hole 21 communicates with the air chamber 13, and each gas hole 21 is
Diameter is not more than 0.2mm hole.
When the second preferred embodiment of foregoing plastics sound absorber mould is used for plastics sound absorber processing method, its processing side
The step of method as shown in figure 3, including：
Injection molding：As shown in Figure 5, Figure 6, extruded after plastics 30 are melted with plastic extruder and be attached to the mould sheet
It is sheet to extend around body 10.
Air blowing forms crafters：As shown in Figure 5, Figure 6, the plastics 30 the surface formings of the plastics 30 but still it is not solidified
Under state, pressurized gas source is connected with gas injection port 15, gases at high pressure are multiple by the die 20 by air flue 14, air chamber 13
Gas hole 21 is blown to the surface of the plastics 30, because the pressure size of each blow gas of gas hole 21 will not be identical, modeling
Expect that 30 temperature, density everywhere will not be identical, and each gas hole 21 is the hole that diameter is not more than 0.2mm, therefore can be
The surface of the plastics 30 forms the micro-bubble hole 31 of multiple different sizes, depth, and multiple crafters 31 have an opening respectively
32, the width dimensions inside more each crafters 31 of width dimensions of the opening 32 of each crafters 31 are narrow.
Cooling and solidifying：After the plastics 30 cooling, multiple crafters 31 on the surface of plastics 30, which are fixed, turns into different size
Sound-absorption hole 41, as shown in figure 4, each sound-absorption hole 41 has an opening 32, and more each sound-absorption hole 41 of width dimensions of each opening 32
Internal width dimensions are narrow, that is, completing the plastics 30 surface is made has the plastics sound absorber 40 of multiple foregoing sound-absorption holes 41
Processing procedure, and the width dimensions of the opening 32 of each sound-absorption hole 41 are not more than 0.2mm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limited to the interest field that the present invention advocates,
All other equivalent changes or modification completed without departing from disclosed spirit, the right that all should be included in the present invention will
In the range of asking.
Claims (8)
1. a kind of plastics sound absorber processing method, it is characterised in that its step includes：
Injection molding：By plastic melt and with mould molding；
Air blowing forms crafters：In plastics with mould molding but still under not solidified state, multiple blown by what mould was provided with
Stomata is blown to the surface of plastics, and multiple different size of crafters are formed on the surface of the plastics；And
Cooling and solidifying：After plastics cooling, the multiple crafters formed in the frosting are fixed as different size, depth
Sound-absorption hole, each sound-absorption hole has an opening, and the width dimensions inside more each sound-absorption hole of width dimensions being respectively open are narrow, will
A surface, which is made, in the plastics has the plastics sound absorber of multiple foregoing sound-absorption holes.
2. plastics sound absorber processing method as claimed in claim 1, it is characterised in that wherein form crafters in the air blowing
The step of in, multiple gas holes on the mould be diameter be not more than 0.2mm hole.
3. a kind of plastics sound absorber product, it is characterised in that provided with a plastics sound absorber, formed on the surface of the plastics sound absorber
Multiple sound-absorption holes of different sizes, each sound-absorption hole has an opening, and the width dimensions of the opening are compared with the width inside the sound-absorption hole
It is narrow to spend size.
4. plastics sound absorber product as claimed in claim 3, it is characterised in that the width dimensions of wherein described opening are not more than
0.2mm。
5. a kind of plastics sound absorber mould, it is characterised in that be embedded the mould in the die ontology including a die ontology and one
Benevolence, wherein：
A groove is formed in the die ontology, in the recessed air chamber in the inner side of the groove, an air flue is worn on the inside of the air chamber,
The air flue forms a gas injection port on the surface of the die ontology；And
The die is embedded in the groove, to should air chamber scope, run through multiple gas holes, each air blowing in the die
Hole communicates with the air chamber.
6. plastics sound absorber mould as claimed in claim 5, it is characterised in that wherein described each gas hole is that diameter is not more than
0.2mm hole.
7. the plastics sound absorber mould as described in claim 5 or 6, it is characterised in that wherein described die ontology is provided with a mould
Cave, described groove are formed in the inner side of the die cavity.
8. the plastics sound absorber mould as described in claim 5 or 6, it is characterised in that wherein described die ontology is roller, institute
The groove stated is formed on the surface of the roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105127525A TWI619603B (en) | 2016-08-26 | 2016-08-26 | Acoustic absorber, producing method thereof and tooling thereof |
| TW105127525 | 2016-08-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107775878A true CN107775878A (en) | 2018-03-09 |
| CN107775878B CN107775878B (en) | 2019-10-18 |
Family
ID=61437787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710706691.0A Active CN107775878B (en) | 2016-08-26 | 2017-08-17 | Plastic sound-absorbing material processing method, product and mould |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107775878B (en) |
| TW (1) | TWI619603B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320692A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Dripproof type sound absorbing panel |
| JPH1110303A (en) * | 1997-06-20 | 1999-01-19 | Ube Ind Ltd | Method and device for atomizing liquid-state agent onto contacting surface of molten metal |
| JP2002036302A (en) * | 2000-07-26 | 2002-02-05 | Ricoh Co Ltd | Method for producing sound insulating cover |
| JP2007106304A (en) * | 2005-10-14 | 2007-04-26 | Hayashi Telempu Co Ltd | Sound absorbing panel |
| JP4074391B2 (en) * | 1998-10-23 | 2008-04-09 | 旭ビルウォール株式会社 | Sound absorbing structure |
| CN104912007A (en) * | 2015-05-26 | 2015-09-16 | 上海中驰集团有限公司 | Sound absorption brick with novel structure, special mould and preparation method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW384782U (en) * | 1996-10-23 | 2000-03-11 | Chiou Shau Chian | Improved structure for the foaming molds |
| TR200100743T2 (en) * | 1998-09-17 | 2001-06-21 | The Dow Chemical Company | Foams useful in sound control |
| TW583062B (en) * | 2000-03-27 | 2004-04-11 | Yue Sheng Ind Co Ltd | Method for producing integral acoustic absorptive automobile carpet and product thereof |
| EP1197309B1 (en) * | 2000-10-04 | 2004-04-07 | Alcan Technology & Management AG | Method of manufacturing fibre reinforced composite structural elements |
| TWI284595B (en) * | 2003-05-09 | 2007-08-01 | Nagoya Oilchemical | Flame retardant sound insulating material |
| TWI292766B (en) * | 2003-10-09 | 2008-01-21 | Mitsui Chemicals Inc | Ultrahigh molecular weight polyethylene foam and manufacturing method and use thereof |
| CN101537714A (en) * | 2008-03-18 | 2009-09-23 | 王景辉 | Method for molding carbon fiber product |
| TWI532579B (en) * | 2013-07-25 | 2016-05-11 | zi-ming Lin | Bubbling of the container |
-
2016
- 2016-08-26 TW TW105127525A patent/TWI619603B/en active
-
2017
- 2017-08-17 CN CN201710706691.0A patent/CN107775878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320692A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Dripproof type sound absorbing panel |
| JPH1110303A (en) * | 1997-06-20 | 1999-01-19 | Ube Ind Ltd | Method and device for atomizing liquid-state agent onto contacting surface of molten metal |
| JP4074391B2 (en) * | 1998-10-23 | 2008-04-09 | 旭ビルウォール株式会社 | Sound absorbing structure |
| JP2002036302A (en) * | 2000-07-26 | 2002-02-05 | Ricoh Co Ltd | Method for producing sound insulating cover |
| JP2007106304A (en) * | 2005-10-14 | 2007-04-26 | Hayashi Telempu Co Ltd | Sound absorbing panel |
| CN104912007A (en) * | 2015-05-26 | 2015-09-16 | 上海中驰集团有限公司 | Sound absorption brick with novel structure, special mould and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201806735A (en) | 2018-03-01 |
| CN107775878B (en) | 2019-10-18 |
| TWI619603B (en) | 2018-04-01 |
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