CN203282653U - Polymer mould pressing foaming device assisted by supercritical fluid - Google Patents
Polymer mould pressing foaming device assisted by supercritical fluid Download PDFInfo
- Publication number
- CN203282653U CN203282653U CN2013202012358U CN201320201235U CN203282653U CN 203282653 U CN203282653 U CN 203282653U CN 2013202012358 U CN2013202012358 U CN 2013202012358U CN 201320201235 U CN201320201235 U CN 201320201235U CN 203282653 U CN203282653 U CN 203282653U
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- CN
- China
- Prior art keywords
- supercritical fluid
- pressure
- mould
- mold system
- foaming
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- 239000012530 fluid Substances 0.000 title claims abstract description 45
- 238000005187 foaming Methods 0.000 title abstract description 26
- 229920000642 polymer Polymers 0.000 title abstract description 11
- 238000003825 pressing Methods 0.000 title abstract description 6
- 239000006260 foam Substances 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 7
- 150000005846 sugar alcohols Polymers 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 25
- 229920002725 thermoplastic elastomer Polymers 0.000 abstract description 7
- 229920001169 thermoplastic Polymers 0.000 abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 4
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000006261 foam material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000013536 elastomeric material Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Abstract
The utility model provides a polymer mould pressing foaming device assisted by supercritical fluid. The polymer mould pressing foaming device comprises a supercritical fluid conveying system, a mould system, a temperature measuring device, a pressure measuring device, a pressure releasing device, a displaying and controlling system and the like, wherein the supercritical fluid conveying system, the temperature measuring device, the pressure measuring device and the pressure releasing device are respectively connected with the mould system; the mould system is heated by an upper hot plate and a lower hot plate of a mould press. According to the mould pressing foaming device, the supercritical fluid has super-high infiltrability and diffusivity, so that, at a certain temperature and under the action of pressure, the supercritical fluid gradually diffuses into polymer basal bodies; then the pressure is quickly released, so as to obtain foam material with a certain shape. The polymer mould pressing foaming device can be used for the supercritical fluid foaming of thermoplastic, thermoplastic elastomer, rubber material and the like, can be used in free foaming and controllable foaming, and has the advantages of simple structure, low cost, convenience in operation, and the like.
Description
Technical field
The utility model relates to field of high polymer material processing, and a kind of supercritical fluid auxiliary polyalcohol moulded from foam device can be used for the supercritical fluid foaming of thermoplastic, thermoplastic elastomer (TPE) or elastomeric material etc.
Background technology
Supercritical fluid refers to that temperature and pressure is all higher than the fluid of its critical point, supercritical fluid has the diffusivity of similar gas and the solvability of similar liquids, have simultaneously low-viscosity concurrently, the characteristic of low surface tension etc., so supercritical fluid has superpower penetrating power.Supercritical CO
2And N
2Have nontoxic, do not fire, inexpensive, chemically be the characteristics such as inertia, simultaneously because its spontaneous nucleation ability is strong, (pressure reduce suddenly or temperature while raising) can separate out a large amount of complexs when thermodynamic instability, can prepare the polymer micro expanded material.The forming method of polymer supercritical fluid foaming mainly contains continuous extrusion foaming, foam-injection, the still foam method of form intermittently.Different manufacturing process has different characteristics, and continuous extrusion is suitable for extruding continuously the expanded material with certain section configuration, injection-expansion moldedly can inject complex-shaped foaming product, and both efficiency is high, but equipment investment is large; Step still foam efficiency is low, is mainly used in experimental study.Chinese patent 201110054581.3 discloses a kind of method of preparing polymer microporous foaming material by supercritical mould foaming, the supercritical fluid moulded from foam is different from mold pressing chemical blowing process, the utility model is exactly to utilize the moulding press that certain pressure and temperature can be provided, a kind of supercritical fluid auxiliary polyalcohol moulded from foam device is provided, assist the moulded from foam mould as on moulding press supercritical fluid, between lower hot plate, under certain temperature and pressure effect, supercritical fluid is penetrated into the polymeric matrix the inside gradually, then release pressure foams fast, can obtain the expanded material of definite shape and foam structure.The advantages such as that this device has is simple in structure, easy to operate, adapt to the multiple polymers material, temperature and pressure can independently be regulated.
The utility model content
A kind of supercritical fluid auxiliary polyalcohol moulded from foam device, this device comprises: supercritical fluid delivery system, mold system, temperature measuring equipment, device for pressure measurement, pressure relief device, demonstration and control system, it is characterized in that the supercritical fluid delivery system is connected with mold system, temperature measuring equipment, device for pressure measurement, pressure relief device are connected with mold system respectively.This device has overcome continuous extrusion foaming and the large deficiency of foam-injection equipment investment, and a kind of supercritical fluid moulded from foam device is provided, and, in conjunction with the moulding press that certain pressure and temperature can be provided, realizes free foaming and the controlled foaming of multiple polymers material.
The supercritical fluid delivery system of described foam device is the constant pressure type supercritical CO
2Or overcritical N
2Induction system.
Between the counterdie and shaping mould of described mold system, shaping mould upper end and upper intermode leave gap, as the passage of supercritical fluid into and out of mold cavity.
Shaping mould in described mold system is demountable structure, can change according to article shape.
Between the upper and lower mould of described mold system with hermetically-sealed construction.
Described mold system is with temperature survey and device for pressure measurement.
Described mold system, with pressure relief device, can be common pressure relieving valve or electromagnetism pressure relieving valve.
Described mold system utilizes the upper and lower hot plate of moulding press to heat.
Described mold system cooling structure can utilize the logical supercritical fluid in the gap between counterdie and shaping mould cooling, also can offer cooling duct and carry out water-cooled on mould.
This foam device utilization can provide the moulding press of certain pressure and temperature, assist the moulded from foam mould as between the upper and lower hot plate of moulding press supercritical fluid, under certain temperature and pressure effect, through certain hour, supercritical fluid diffuses into polymeric matrix gradually, then quick release pressure, obtain the expanded material of definite shape.
The utility model has the advantages that:
(1) applied widely, this device can be used for the supercritical CO of thermoplastic, thermoplastic elastomer (TPE), elastomeric material and intermingling material thereof or its composite
2Or overcritical N
2Foaming.
(2) with respect to extruding continuously and foam-injection equipment, this apparatus structure is simple, and is easy to operate, and cost is low, is fit to small lot, and the preparation of the expanded material of simple shape, but preparation standard expanded material sample also, be used for test.
(3) shaping mould is replaceable, also can adopt suitable mould structure form according to different expanded materials and foaming requirement, carries out free foaming and controlled foaming on moulding press.
(4) mold system adopts chuck form air inlet and exhaust, is difficult for stopping up.
(5) this foam device, with cooling structure, can be realized the cooling fast of material.
(6) blowing temperature of this foam device, supercritical fluid pressure and other parameters are independent adjustable, can meet the requirement of different materials and expansion ratio.
Description of drawings
Fig. 1 is the structural representation of the utility model supercritical fluid auxiliary polyalcohol moulded from foam device one embodiment, but is not limited only to this kind structure.
This covering device mainly contained for six most of compositions:
(1) supercritical fluid delivery system 1-4
1 is that gas cylinder, 2 is that booster pump, 3 is that intake valve, 4 is check valve
(2) mold system 5-9
5 is that patrix or upper cover plate, 6 are that hermetically-sealed construction, 7 is that counterdie or die, 8 are that shaping mould, 9 is cooling structure
(3) temperature measuring equipment 10
10 is thermocouple
(4) device for pressure measurement 11
11 is Pressure gauge or pressure sensor
(5) pressure relief device 12
12 is common pressure relieving valve or electromagnetism pressure relieving valve high temperature resistant, high pressure
(6) demonstration and control system 13
13 for showing and control system
14,15 be respectively heating plate and lower heating plate on moulding press, 16 for treating expanded material
The specific embodiment
1. the controlled foaming of thermoplastic or thermoplastic elastomer (TPE)
Accompanying drawings, be placed in heating plate 14 and 15 of lower heating plates on moulding press with mold system and be preheating to design temperature, opens patrix 5, treat that with a certain amount of expanded material 16 puts into shaping mould 8, close die, be preheating to melting with unfoamed material or, near melting, open intake valve 3, open pressure relieving valve 12, pass into the supercritical fluid of certain pressure in mould, the mould inside air is drained, then close pressure relieving valve, continue to pass into supercritical fluid, until mould inside pressure reaches setting value.Under certain temperature and pressure effect, supercritical fluid diffuses into polymeric matrix gradually, until reach capacity, stopped heating, open pressure relieving valve 12, discharges fast mould inside pressure, polymer foaming, utilize cooling structure 9 to carry out cooling a period of time, and die sinking obtains expanded material.In this process, the quality of the unfoamed material that adds is regulated according to the expansion ratio of material, and heating-up temperature and blow pressure require to set according to different materials and foaming.
2. elastomeric material free foaming
Accompanying drawings, mold system is placed in heating plate 14 and 15 of lower heating plates on moulding press is preheating to design temperature, open upper cover plate 5, with a certain amount of, treat that expanded material 16 puts into shaping mould 8, close die, open intake valve 3, open pressure relieving valve 12, pass into the supercritical fluid of certain pressure in mould, the mould inside air is drained, then close pressure relieving valve 12, continue to pass into supercritical fluid, until mould inside pressure reaches setting value.Under certain temperature and pressure effect, supercritical fluid diffuses into polymeric matrix gradually, while elastomeric material generation cross-linking reaction, when supercritical fluid diffuses into polymeric matrix fully, cross-linking reaction is also completed substantially, stopped heating, move on heating plate on moulding press, and upper cover plate is opened, mould inner pressure is able to quick release, the elastomeric material that obtains foaming.In this process, the quality of the unfoamed material that adds is regulated according to the expansion ratio of material, and heating-up temperature is set according to different elastomeric materials, and supercritical fluid diffusion time and cure time are complementary.
Claims (9)
1. supercritical fluid auxiliary polyalcohol moulded from foam device, this device comprises: supercritical fluid delivery system, mold system, temperature measuring equipment, device for pressure measurement, pressure relief device, demonstration and control system, it is characterized in that the supercritical fluid delivery system is connected with mold system, temperature measuring equipment, device for pressure measurement, pressure relief device are connected with mold system respectively.
2. foam device according to claim 1, is characterized in that described supercritical fluid delivery system is the constant pressure type supercritical CO
2Or overcritical N
2Induction system.
3. foam device according to claim 1, is characterized in that between the counterdie and shaping mould of described mold system, shaping mould upper end and upper intermode leave gap, as the passage of supercritical fluid into and out of mold cavity.
4. foam device according to claim 1, is characterized in that the shaping mould in described mold system is demountable structure, can change according to article shape.
5. foam device according to claim 1, is characterized in that between the upper and lower mould of described mold system with hermetically-sealed construction.
6. foam device according to claim 1, is characterized in that described mold system is with temperature survey and device for pressure measurement.
7. foam device according to claim 1, is characterized in that described mold system with pressure relief device, can be common pressure relieving valve or electromagnetism pressure relieving valve.
8. foam device according to claim 1, is characterized in that described mold system utilizes the upper and lower hot plate of moulding press to heat.
9. foam device according to claim 1, is characterized in that described mold system cooling structure can utilize the logical supercritical fluid in gap between counterdie and shaping mould cooling, also can offer cooling duct and carry out water-cooled on mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202012358U CN203282653U (en) | 2013-04-09 | 2013-04-09 | Polymer mould pressing foaming device assisted by supercritical fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202012358U CN203282653U (en) | 2013-04-09 | 2013-04-09 | Polymer mould pressing foaming device assisted by supercritical fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203282653U true CN203282653U (en) | 2013-11-13 |
Family
ID=49539032
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202012358U Expired - Fee Related CN203282653U (en) | 2013-04-09 | 2013-04-09 | Polymer mould pressing foaming device assisted by supercritical fluid |
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| CN (1) | CN203282653U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097288A (en) * | 2013-04-09 | 2014-10-15 | 青岛科技大学 | Supercritical fluid-assisted polymer mould foaming apparatus |
| CN104690873A (en) * | 2015-03-12 | 2015-06-10 | 苏州复威新材料有限公司 | Device and method for producing polymer microcellular foam materials |
| CN109016320A (en) * | 2018-09-08 | 2018-12-18 | 广东奔迪新材料科技有限公司 | A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus and its forming method |
| CN109109353A (en) * | 2018-10-24 | 2019-01-01 | 广东奔迪新材料科技有限公司 | A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method |
| CN109344610A (en) * | 2018-08-31 | 2019-02-15 | 中国科学院信息工程研究所 | The detection method and device of sequence attack |
| CN109955423A (en) * | 2019-04-30 | 2019-07-02 | 广东奔迪新材料科技有限公司 | A kind of large-scale ultrahigh pressure thermoplastic polymer foaming and forming apparatus and its method |
| CN110480913A (en) * | 2019-09-24 | 2019-11-22 | 四川大学 | Multicomponent multi-phase complex system self-balancing supercritical foaming method and device |
| WO2020047958A1 (en) * | 2018-09-06 | 2020-03-12 | 广东奔迪新材料科技有限公司 | Method for preparing foamed product of moldless three-dimensional structure by means of supercritical fluid |
| CN111098437A (en) * | 2019-12-17 | 2020-05-05 | 东莞兆阳兴业塑胶制品有限公司 | Supercritical foaming equipment and foaming process |
| CN111516197A (en) * | 2020-04-30 | 2020-08-11 | 贵州省材料产业技术研究院 | Soft mold opening foaming method and molding system with soft mold opening function |
-
2013
- 2013-04-09 CN CN2013202012358U patent/CN203282653U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097288A (en) * | 2013-04-09 | 2014-10-15 | 青岛科技大学 | Supercritical fluid-assisted polymer mould foaming apparatus |
| CN104690873A (en) * | 2015-03-12 | 2015-06-10 | 苏州复威新材料有限公司 | Device and method for producing polymer microcellular foam materials |
| CN109344610A (en) * | 2018-08-31 | 2019-02-15 | 中国科学院信息工程研究所 | The detection method and device of sequence attack |
| WO2020047958A1 (en) * | 2018-09-06 | 2020-03-12 | 广东奔迪新材料科技有限公司 | Method for preparing foamed product of moldless three-dimensional structure by means of supercritical fluid |
| JP2022500271A (en) * | 2018-09-08 | 2022-01-04 | 広東奔迪新材料科技有限公司 | In-mold mold foam molding device for thermoplastic polymer particles and its molding method |
| WO2020048284A1 (en) * | 2018-09-08 | 2020-03-12 | 广东奔迪新材料科技有限公司 | In-mold foam molding device for thermoplastic polymer particle, and molding method therefor |
| CN109016320A (en) * | 2018-09-08 | 2018-12-18 | 广东奔迪新材料科技有限公司 | A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus and its forming method |
| EP3647014A4 (en) * | 2018-09-08 | 2021-05-26 | Guangdong Speed New Material Technology Co., ltd | In-mold foam molding device for thermoplastic polymer particle, and molding method therefor |
| JP7165413B2 (en) | 2018-09-08 | 2022-11-04 | 広東奔迪新材料科技有限公司 | In-mold foam molding apparatus for thermoplastic polymer particles and molding method thereof |
| WO2020082484A1 (en) * | 2018-10-24 | 2020-04-30 | 广东奔迪新材料科技有限公司 | Method for preparing multi-color, multi-density sole having different materials, and multi-color, multi-density sole prepared using the method |
| CN109109353A (en) * | 2018-10-24 | 2019-01-01 | 广东奔迪新材料科技有限公司 | A kind of preparation method of the polychrome multi-density sole of different materials and polychrome multi-density sole using this method |
| CN109955423A (en) * | 2019-04-30 | 2019-07-02 | 广东奔迪新材料科技有限公司 | A kind of large-scale ultrahigh pressure thermoplastic polymer foaming and forming apparatus and its method |
| CN109955423B (en) * | 2019-04-30 | 2024-04-02 | 广东奔迪新材料科技有限公司 | Large-scale ultrahigh-pressure thermoplastic polymer foaming molding device and method |
| CN110480913A (en) * | 2019-09-24 | 2019-11-22 | 四川大学 | Multicomponent multi-phase complex system self-balancing supercritical foaming method and device |
| CN110480913B (en) * | 2019-09-24 | 2023-08-18 | 四川大学 | Self-balancing supercritical foaming method and device for multi-component multiphase complex system |
| CN111098437A (en) * | 2019-12-17 | 2020-05-05 | 东莞兆阳兴业塑胶制品有限公司 | Supercritical foaming equipment and foaming process |
| CN111516197A (en) * | 2020-04-30 | 2020-08-11 | 贵州省材料产业技术研究院 | Soft mold opening foaming method and molding system with soft mold opening function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20190409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |