CN208867422U - A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus - Google Patents
A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus Download PDFInfo
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- CN208867422U CN208867422U CN201821472022.8U CN201821472022U CN208867422U CN 208867422 U CN208867422 U CN 208867422U CN 201821472022 U CN201821472022 U CN 201821472022U CN 208867422 U CN208867422 U CN 208867422U
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- foaming
- guide rail
- moulded
- preheating
- forming apparatus
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Abstract
The utility model discloses a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus, including supercritical fluid delivery system, moulded from foam system, preheat quantitative feeding system and moving guide rail, supercritical fluid delivery system is connected with moulded from foam system, the utility model structure is simple, by by the method for polymer beads one-shot molding, polymer beads need not move through prefoam, it is added directly into shaping mold cavity, it is not necessary that water and anti-sticking interleaving agent is added, and molding fusion molding technique is without high-pressure steam heating molding, cohesive force is big, process cleans, it is suitble to the polymer material of facile hydrolysis, simultaneously, heat demand is less in process, the heating efficiency of polymer beads is high, polymer beads temperature is uniform, it is fine and closely woven to obtain abscess, accurate size, the polymer beads microporous foam of lightweight is pressed and molded product , production efficiency is improved, automated production is realized, the granule foaming of most of polymer is suitble to be pressed and molded.
Description
Technical field
The utility model and thermoplastic polymer particles foaming technical field are more specifically to be related to a kind of heat
Plastic polymer particle mould inner mold foaming and forming apparatus.
Background technique
Supercritical fluid substantial temperature and pressure are above the fluid of its critical point, and supercritical fluid has similar gas
The solvability of diffusivity and similar liquids, while there is low viscosity, the characteristic of low surface tension etc., therefore supercritical fluid has
There is superpower penetrating power.The features such as supercritical carbon dioxide and nontoxic, non-ignitable, inexpensive, chemically inert nitrogen, while by
It is strong in its self-contained nuclear capability, polymer micro foamed material can be prepared in thermodynamic instability.Polymer supercritical fluid
The forming method of foaming mainly has the kettle foam method of continuous extrusion foaming, foam-injection, intermittent forms.
104097288 A of Chinese patent CN discloses a kind of supercritical fluid auxiliary polyalcohol moulded from foam device, the dress
It sets including supercritical fluid delivery system, mold system, temperature measuring device, device for pressure measurement, pressure relief device, display
With control system etc., supercritical fluid delivery system is connected with mold system, temperature measuring device, device for pressure measurement, pressure
Release device is connected with mold system respectively.Mold system is heated using the upper and lower hot plate of moulding press.Utilize shooting flow
The superpower infiltration of body and propagation energy, it is overcritical by certain time at certain temperature and supercritical fluid pressures effect
Fluid gradually diffuses into polymeric matrix, and then quick release cavity pressure obtains the foamed material of certain shapes, which can
It for free foaming, can also be used for controllably foaming, however, above-mentioned foam device is only suitable for the foaming material of small lot, simple shape
The preparation of material, or the foamed material sample for test of preparation standard are not suitable for the industrial production preparation of scale.
Above-described foam device, production method are put by the prefabrication of certain previously prepared simple shape
Mold utilizes the infiltration and diffusivity of supercritical fluid, at certain temperature and supercritical fluid pressures effect, by one
It fixes time, supercritical fluid gradually diffuses into polymeric matrix, and then quick release cavity pressure obtains the foaming of certain shapes
Material, increases the complexity of foam process, and increases the investment of equipment funds, so that the production cost increases, and produces effect
Rate is low, and product cost is high, is not suitable for the industrial production of scale.
Utility model content
The purpose of the utility model is to overcome drawbacks described above in the prior art, one kind is provided and obtains that abscess is fine and closely woven, ruler
Very little accurate, lightweight polymer beads microporous foam is pressed and molded product, and the consistency of foaming is effectively ensured, improves production effect
Rate realizes automated production, in the thermoplastic polymer particles mould for being suitble to the granule foaming of most of polymer to be pressed and molded
Molding foaming molding machine.
To achieve the above object, the utility model provides a kind of thermoplastic polymer particles mould inner mold foaming dress
It sets, including supercritical fluid delivery system, moulded from foam system, preheating quantitative feeding system and moving guide rail, it is described overcritical
Fluid delivery system is connected with moulded from foam system, and the moving guide rail is installed in moulded from foam system and preheating quantitative feeding
The lower section of system, the moulded from foam system are installed on moving guide rail, the moulded from foam system and preheating quantitative feeding system
System is connected by moving guide rail.
Preferably, the supercritical fluid delivery system includes nitrogen supercharging station, carbon dioxide booster station, Nitrogen Headspace
The output end of state storage tank and carbon dioxide liquid storage tank, the nitrogen liquid storage tank is connected with the input end at nitrogen supercharging station,
The output end of the carbon dioxide liquid storage tank is connected with the input end of carbon dioxide booster station, the nitrogen supercharging station into
Mouth end is connected with the input end of carbon dioxide booster station, and is connected by pipeline with moulded from foam system, and the nitrogen increases
It presses and is provided with intake valve between the input end at station and the input end and moulded from foam system of carbon dioxide booster station.
Preferably, the moulded from foam system includes foaming mould, pressurization mode locking cylinder, pressure relief device and exhaust
Valve, the foaming mould is arranged on moving guide rail, and can relatively move guide rail side-to-side movement, and the pressurization mode locking cylinder is installed in
On foaming mould, the pressure relief device is installed on foaming mould, and exhaust valve, the hair are installed on the foaming mould
Bubble mold is connected with preheating quantitative feeding system by moving guide rail, and the lower section of preheating quantitative feeding system is arranged in, described
Supercritical fluid delivery system is connected with the inside of foaming mould.
Preferably, the foaming mould includes cope plate and lower template, it is arranged between the cope plate and lower template
There are several shaping mold cavities, the lower template is arranged on moving guide rail, and can relatively move guide rail side-to-side movement, the pressurization
Mode locking cylinder is installed on cope plate, and is sequentially connected with cope plate, to drive the up and down motion of cope plate, the lower template is logical
It crosses moving guide rail to be connected with preheating quantitative feeding system, and the lower section of preheating quantitative feeding system is set.
Preferably, the preheating quantitative feeding system includes polymer beads preheating apparatus, dosing device
And temperature control device, the polymer beads preheating apparatus are connected with dosing device, the temperature control device setting is poly-
On polymer beads heating device, the top of lower template is arranged in the dosing device, is arranged on the dosing device
There are several charging heads corresponding with shaping mold cavity in lower template.
Preferably, being provided with temperature control equipment and pressure control device on the foaming mould.
Preferably, being provided with muffler on the pressure relief device.
Preferably, being provided with cooling device on the foaming mould.
Preferably, offered between the lower template and shaping mold cavity, between shaping mold cavity upper end and cope plate with
The circulation passage that supercritical fluid delivery system is connected.
Compared with prior art, the utility model has the beneficial effects that:
The utility model structure is simple, including supercritical fluid delivery system, moulded from foam system, preheating quantitative feeding system
System and moving guide rail, supercritical fluid delivery system are connected with moulded from foam system, and moving guide rail is installed in moulded from foam system
The lower section of system and preheating quantitative feeding system, moulded from foam system are installed on moving guide rail, and moulded from foam system and preheating are fixed
It measures feeding system to be connected by moving guide rail, by the way that by the method for polymer beads one-shot molding, polymer beads are not necessarily to
It by prefoam, is added directly into shaping mold cavity, it is not necessary that water and anti-sticking interleaving agent is added, and is molded fusion molding technique and is not necessarily to
High-pressure steam heating molding, cohesive force is big, process cleans, is suitble to the polymer material of facile hydrolysis, meanwhile, it is hot in process
Amount demand is less, and the heating efficiencies of polymer beads is high, and polymer beads temperature is uniform, obtains fine and closely woven abscess, accurate size, light
The polymer beads microporous foam of matter is pressed and molded product, and the consistency of foaming is effectively ensured, and improves production efficiency, realizes automatic
Metaplasia produces, and the granule foaming of most of polymer is suitble to be pressed and molded.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is that a kind of structure of thermoplastic polymer particles mould inner mold foaming and forming apparatus provided by the utility model is shown
It is intended to；
Fig. 2 is a kind of another knot of thermoplastic polymer particles mould inner mold foaming and forming apparatus provided by the utility model
Structure schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 and Fig. 2 are please referred to, the embodiments of the present invention provide a kind of thermoplastic polymer particles mould inner mold hair
Steep molding machine, including supercritical fluid delivery system 1, moulded from foam system 2, preheating quantitative feeding system 3 and moving guide rail
4, supercritical fluid delivery system 1 is connected with moulded from foam system 2, and moving guide rail 4 is installed in moulded from foam system and 2 preheatings
The lower section of quantitative feeding system 3, moulded from foam system 2 are installed on moving guide rail 4, moulded from foam system 2 and the quantitative confession of preheating
Material system 3 is connected by moving guide rail 4, and the present embodiment is described in detail with reference to the accompanying drawing.
As depicted in figs. 1 and 2, supercritical fluid delivery system 1 is connected with moulded from foam system 2, and moving guide rail 4 is installed
In the lower section of moulded from foam system 2 and preheating quantitative feeding system 3, moulded from foam system 2 is installed on moving guide rail 4, is molded
Foamed system 2 is connected with preheating quantitative feeding system 3 by moving guide rail 4.
Specifically, as shown in Fig. 2, supercritical fluid delivery system include nitrogen supercharging station 5, carbon dioxide booster station 6,
Nitrogen liquid storage tank 7 and carbon dioxide liquid storage tank 8, the output end of nitrogen liquid storage tank 7 and the input end at nitrogen supercharging station 5
It is connected, the output end of carbon dioxide liquid storage tank 8 is connected with the input end of carbon dioxide booster station 6, nitrogen supercharging station 5
Input end is connected with the input end of carbon dioxide booster station 6, and is connected by pipeline 9 with moulded from foam system 2, and nitrogen increases
Intake valve 10 is provided between the input end at pressure station 5 and the input end and moulded from foam system 2 of carbon dioxide booster station 6.
Moulded from foam system 2 includes foaming mould 11, pressurization mode locking cylinder 12, pressure relief device 15 and exhaust valve 16, hair
It steeps mold 11 to be arranged on moving guide rail 4, and 4 side-to-side movement of guide rail can be relatively moved, pressurization mode locking cylinder 12 is installed in foaming mould
On tool 11, pressure relief device 15 is installed on foaming mould 11, and exhaust valve 16, foaming mould 11 are installed on foaming mould 11
It is connected with preheating quantitative feeding system 3 by moving guide rail 4, and the lower section of preheating quantitative feeding system 3, shooting flow is set
Body conveying system 1 is connected with the inside of foaming mould 11.
Foaming mould 11 includes cope plate 111 and lower template 112, if being provided between cope plate 111 and lower template 112
Dry shaping mold cavity 113, lower template 112 is arranged on moving guide rail 4, and can relatively move 4 side-to-side movement of guide rail, is pressurized mode locking
Cylinder 12 is installed on cope plate 111, and is sequentially connected with cope plate 111, to drive the up and down motion of cope plate 111, lower die
Plate 112 is connected by moving guide rail 4 with preheating quantitative feeding system 3, and the lower section of preheating quantitative feeding system 3 is arranged in.
Preheating quantitative feeding system 3 includes polymer beads preheating apparatus 18, dosing device 19 and temperature control device
20, polymer beads preheating apparatus 18 is connected with dosing device 19, and the setting of temperature control device 20 adds in polymer beads
In thermal 18, the top of lower template 112 is arranged in dosing device 19, be provided on dosing device 19 several with
The corresponding charging head 21 of shaping mold cavity 113 in lower template 112.
Preferably, temperature control equipment 13 and pressure control device 14 are provided on foaming mould 11, to foaming mould 11
Interior temperature and pressure is adjusted, and guarantees the accurate foaming of polymer beads.
Preferably, being provided with muffler 17 on pressure relief device 15, the sound issued when releasing stress is reduced, avoids making
At noise pollution.
Preferably, being provided with cooling device 22 on foaming mould 11, after foaming, foaming mould 11 is cooled down,
Product is taken out convenient for subsequent die sinking.
Wherein, it is offered between lower template 112 and shaping mold cavity 113, between 113 upper end of shaping mold cavity and cope plate 111
The circulation passage 114 being connected with supercritical fluid delivery system 1, supercritical fluid by circulation passage 114 be filled with it is each at
In pattern chamber 113, foaming is carried out to 113 polymer pellets inside of shaping mold cavity.
By the way that by the method for polymer beads one-shot molding, polymer beads need not move through prefoam, it is directly added into
Into shaping mold cavity 113, it is not necessary that water and anti-sticking interleaving agent is added, and it is molded fusion molding technique and heats mould without high-pressure steam
Modeling, cohesive force is big, process cleans, is suitble to the polymer material of facile hydrolysis, meanwhile, heat demand is less in process, polymerization
The heating efficiency of composition granule is high, and polymer beads temperature is uniform, and the consistency of foaming is effectively ensured, and improves production efficiency, realizes
Automated production is suitble to the granule foaming of most of polymer to be pressed and molded.
When work, polymer particle is added in polymer beads preheating apparatus 18 and is preheated, according to addition
Polymer beads are adjusted preheating temperature by temperature control device 20, and polymer beads are then transported to quantifying feed dress
It sets in 19, lower template 112 moves to the lower section of dosing device 19 along moving guide rail 4, and dosing device 19 is by certain weight
It measures than being added to the polymer beads after preheating in the shaping mold cavity 113 of lower template 112 by charging head 21, material feeding is completed
Lower template 112 lower section of cope plate 111 is moved to along moving guide rail 4, pressurization mode locking cylinder 12 drives cope plate 111 to transport downwards
It is dynamic, mode locking sealing is carried out with lower template 112, intake valve 10 is opened, is filled from supercritical fluid delivery system 1 into foaming mould 11
Enter supercritical fluid, the temperature and pressure being filled with is adjusted to target temperature and pressure, supercritical fluid is swollen to polymer to be expanded
It dissipates, opens pressure relief device 15 and carry out pressure release foaming, can be obtained that shape of product, dimensional accuracy, abscess are fine and closely woven and product is close
Spend the molded microporous foam product of controllable polymer in-mold.
In conclusion the utility model structure is simple, including it is supercritical fluid delivery system 1, moulded from foam system 2, pre-
Hot quantitative feeding system 3 and moving guide rail 4, supercritical fluid delivery system 1 are connected with moulded from foam system 2, moving guide rail
4 are installed in moulded from foam system 2 and preheat the lower section of quantitative feeding system 3, and moulded from foam system 2 is installed on moving guide rail 4,
Moulded from foam system 2 is connected with preheating quantitative feeding system 3 by moving guide rail 4, and polymer beads are placed in the quantitative confession of preheating
It is preheated in material system 3, and polymer beads is injected into moulded from foam system 2, supercritical fluid delivery system 1 is to mould
Foam system 2 is filled with supercritical fluid, and supercritical fluid is swollen to polymer to spread, and opens 15 pressure release of pressure relief device hair
Bubble, can be obtained the molded microporous foam product of polymer in-mold, by polymerizeing the method for polymer beads one-shot molding
Composition granule needs not move through prefoam, is added directly into shaping mold cavity 113, it is not necessary that water and anti-sticking interleaving agent is added, and is molded molten
Moulding process is connect without high-pressure steam heating molding, cohesive force is big, process cleans, is suitble to the polymer material of facile hydrolysis, together
When, heat demand is less in process, and the heating efficiency of polymer beads is high, and polymer beads temperature is uniform, is effectively ensured
The consistency of foaming improves production efficiency, realizes automated production, the granule foaming of most of polymer is suitble to be molded into
Type.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of utility model is not by above-mentioned reality
Apply the limitation of example, it is made under other any spiritual essence and principles without departing from the utility model change, modification, substitution,
Combination simplifies, and should be equivalent substitute mode, is included within the protection scope originally put.
Claims (9)
1. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus, it is characterised in that: including supercritical fluid delivery
System (1), moulded from foam system (2), preheating quantitative feeding system (3) and moving guide rail (4), the supercritical fluid delivery system
System (1) is connected with moulded from foam system (2), and the moving guide rail (4) is installed in moulded from foam system (2) and the quantitative confession of preheating
The lower section of material system (3), the moulded from foam system (2) are installed on moving guide rail (4), the moulded from foam system (2) and
Quantitative feeding system (3) are preheated to be connected by moving guide rail (4).
2. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 1, it is characterised in that:
The supercritical fluid delivery system (1) includes nitrogen supercharging station (5), carbon dioxide booster station (6), nitrogen liquid storage tank (7)
It is connected with the output end of carbon dioxide liquid storage tank (8), the nitrogen liquid storage tank (7) with the input end of nitrogen supercharging station (5)
Logical, the output end of the carbon dioxide liquid storage tank (8) is connected with the input end of carbon dioxide booster station (6), the nitrogen
The input end of booster station (5) is connected with the input end of carbon dioxide booster station (6), and passes through pipeline (9) and moulded from foam system
System (2) is connected, the input end and moulded from foam system of the input end of the nitrogen supercharging station (5) and carbon dioxide booster station (6)
Intake valve (10) are provided between system (2).
3. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 1, it is characterised in that:
The moulded from foam system (2) includes foaming mould (11), pressurization mode locking cylinder (12), pressure relief device (15) and exhaust valve
(16), the foaming mould (11) is arranged on moving guide rail (4), and can relatively move guide rail (4) side-to-side movement, the pressurization
Mode locking cylinder (12) is installed on foaming mould (11), and the pressure relief device (15) is installed on foaming mould (11), described
It is installed on foaming mould (11) exhaust valve (16), the foaming mould (11) and preheating quantitative feeding system (3) pass through movement
Guide rail (4) is connected, and is arranged in the lower section of preheating quantitative feeding system (3), the supercritical fluid delivery system (1) and foaming
The inside of mold (11) is connected.
4. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 3, it is characterised in that:
The foaming mould (11) includes cope plate (111) and lower template (112), between the cope plate (111) and lower template (112)
Several shaping mold cavities (113) are provided with, the lower template (112) is arranged on moving guide rail (4), and can relatively move guide rail
(4) side-to-side movement, the pressurization mode locking cylinder (12) are installed on cope plate (111), and are sequentially connected with cope plate (111), from
And the up and down motion of cope plate (111) is driven, the lower template (112) passes through moving guide rail (4) and preheating quantitative feeding system
(3) it is connected, and is arranged in the lower section of preheating quantitative feeding system (3).
5. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 1, it is characterised in that:
The preheating quantitative feeding system (3) includes polymer beads preheating apparatus (18), dosing device (19) and temperature control dress
It sets (20), the polymer beads preheating apparatus (18) is connected with dosing device (19), the temperature control device (20)
It is arranged on polymer beads preheating apparatus (18), the dosing device (19) is arranged in the top of lower template (112),
Several charging heads corresponding with shaping mold cavity (113) on lower template (112) are provided on the dosing device (19)
(21)。
6. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 3, it is characterised in that:
Temperature control equipment (13) and pressure control device (14) are provided on the foaming mould (11).
7. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 3, it is characterised in that:
Muffler (17) are provided on the pressure relief device (15).
8. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 3, it is characterised in that:
Cooling device (22) are provided on the foaming mould (11).
9. a kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus according to claim 4, it is characterised in that:
Offered between the lower template (112) and shaping mold cavity (113), between shaping mold cavity (113) upper end and cope plate (111) with
The circulation passage (114) that supercritical fluid delivery system (1) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821472022.8U CN208867422U (en) | 2018-09-08 | 2018-09-08 | A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821472022.8U CN208867422U (en) | 2018-09-08 | 2018-09-08 | A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus |
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| Publication Number | Publication Date |
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| CN208867422U true CN208867422U (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821472022.8U Active CN208867422U (en) | 2018-09-08 | 2018-09-08 | A kind of thermoplastic polymer particles mould inner mold foaming and forming apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-09-08 CN CN201821472022.8U patent/CN208867422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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