CN206326802U - Overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus - Google Patents
Overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus Download PDFInfo
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- CN206326802U CN206326802U CN201621226737.6U CN201621226737U CN206326802U CN 206326802 U CN206326802 U CN 206326802U CN 201621226737 U CN201621226737 U CN 201621226737U CN 206326802 U CN206326802 U CN 206326802U
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- kettle
- saturation
- particle
- infiltration
- supercritical fluid
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Abstract
The utility model is related to a kind of overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus, mainly includes supercritical fluid permeability apparatus, Pneumatic conveyer and injection moulding apparatus.Supercritical fluid permeability apparatus is main to be made up of air feed tank, supercritical fluid maker, infiltration kettle, flapper, outlet valve and tracheae；Pneumatic conveyer mainly includes gas compressor, drier, air accumulator, receiver, tracheae and delivery pipe；Injection moulding apparatus includes injecting systems, Clamping System, dynamical system, control system.Infiltration kettle can have two kinds of structure types, and one kind has a confined space, receiver is transported material to by permeating pressure and material self gravitation in kettle；Separated in the middle of another infiltration kettle by dividing plate, sheaf space saturation raw material enter infiltration kettle lower layer space by switching flapper on infiltration kettle.The utility model shortens saturation former material and expects the time for adding injection machine, reduces gas molecule effusion, and scrap build complexity is low.
Description
Technical field
The present invention relates to a kind of fretting map injection moulding method, more particularly to a kind of overcritical saturation particle Geldart-D particle are micro-
Foam injection molding device, belongs to processing of high molecular material forming field.
Background technology
Fretting map injection is the forming technique of a rising high-end energy-conservation, and its technique breaches traditional injection moulding
Many limitations, can significantly mitigate the weight of product, shorten molding cycle, and significantly improve buckling deformation and the chi of product
Very little stability.On the precise product for producing high-quality requirement, micro foaming injection moulding technique has very big advantage.It is existing micro-
Foam injection molding process mainly has two kinds：One kind is that supercritical fluid (carbon dioxide or nitrogen) is dissolved into melt
Progress is molded, and one kind is that solid material is carried out with supercritical fluid (carbon dioxide or nitrogen) to melt note after saturation
Penetrate.
The former representative art is Mucell technologies, is by supercritical fluid injection screw rod middle part and melt polymerization first
Thing forms single-phase melt, then the relatively low mold cavity of temperature and pressure is injected by switching regulator nozzle, due to temperature and pressure
Reduction triggers the unstability of molecule so as to forming substantial amounts of nuclei of bubbles in product, and the generation of gradually growing up of these nuclei of bubbles is small
Hole.But the technology to equipment requirement height, it is necessary to develop special injection molding, screw rod will be grown compared with normal injection screw rod, and need
Extra shearing and mixed function part are set on screw rod.Patent (A of CN 103112135) and patent (CN
101746014 B) in propose to set up kneading device in common injection machine injection device front end respectively, by supercritical fluid injection should
Region, is substantially the deformation of Mucell technologies, with the problems such as scrap build is complicated, cost of investment is high, technology controlling and process is difficult.
And the latter obtains saturation raw material by carrying out supercritical fluid presaturation infiltration to raw material, then directly exist
Injection moulding is carried out in common injection machine.The technique is without being transformed injection machine, forming process is easily controllable, shaping efficiency
It is higher.Patent (A of CN 104723490) is to use this process.But, the placement temperature environments of saturation raw material with
And expect that influence of the time added between injection machine fusion plastification to penetration material is larger from saturation former material is taken out, it is easily caused
Gas is escaped, influence foaming effect and quality of item.Therefore need to find a kind of new technical scheme to shorten saturation raw material
To the time for adding injection machine, gas molecule effusion is reduced.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, propose a kind of production efficiency it is high, into
The continuous fretting map Coinjection molding apparatus that type process is easily controllable, scrap build complexity is low.
The purpose of this utility model can be realized by following technical proposal：A kind of overcritical saturation particle Geldart-D particle is micro-
Foam injection molding device, main device includes supercritical fluid permeability apparatus, Pneumatic conveyer and injection moulding apparatus.
Supercritical fluid permeability apparatus is main by air feed tank, supercritical fluid maker, infiltration kettle, flapper, outlet valve
With tracheae composition, air feed tank, supercritical fluid maker, infiltration kettle pass sequentially through tracheae connection, supercritical fluid maker with
Setting pressure-control valve and booster pump between kettle are permeated, to control pressure in infiltration kettle.Infiltration temperature in the kettle maintains overcritical
It is more than fluid critical-temperature.The effect of flapper is Homogeneous charge or discharging, while preventing gas from leaking into.The effect of outlet valve is
Discharging flow is controlled, can be pressure opening and closing valve either rotary valve.
Pneumatic conveyer mainly includes gas compressor, drier, air accumulator, receiver, tracheae and delivery pipe.Gas
Compressor, drier, air accumulator, receiver pass sequentially through tracheae connection.The effect of receiver is to enter material, causes suitable
Solid-gas ratio, makes material start, accelerate.
Injection moulding apparatus includes injecting systems, Clamping System, dynamical system and control system.Wherein, injecting systems by nozzle,
Machine barrel, screw rod, heater, hopper and tail seal component composition.
In a kind of above-mentioned overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus, infiltration kettle has two kinds not
Same structure type.One of which infiltration kettle has a confined space, and lower section is saturation export of raw material, and exit sets lock
Gas device, outlet valve, receiver is transported material to by permeating pressure and material self gravitation in kettle；In the middle of another infiltration kettle
Separated by dividing plate, be divided into above and below set between two layers, two layers on flapper, infiltration kettle sheaf space saturation raw material to pass through to switch lock
Gas device enters infiltration kettle lower layer space, to realize that sheaf space carries out saturation, infiltration kettle lower floor to raw material on infiltration kettle
Space carries out storing to saturation raw material, is easy to the supplement of raw material and the continuous production of technique, infiltration kettle lower layer space
Saturation raw material enter receiver by rotary valve.
A kind of above-mentioned overcritical saturation particle Geldart-D particle fretting map injection moulding method is mainly included the following steps that：
The first step：Raw material are put into infiltration kettle, the supercritical fluid generated using supercritical fluid maker is satisfied
And infiltration, obtain saturation raw material；
Second step：Switch outlet valve, saturation raw material are transported to receiver, it is higher in having for gas compressor generation
In the presence of the gas of pressure, regulation arrive suitable solid-gas ratio, make saturation raw material in the presence of strength in delivery pipe into
Plunger state is transported to forward in injection device hopper；
3rd step：Saturation raw material in hopper enter in injection device machine barrel, and the fusion plastification in the presence of screw rod oozes
The gas into raw material is carried out uniformly mixing at this moment and is distributed in melt thoroughly, mold cavity is then injected into, in mould type
Bubble nucleating formation microcellular structure in chamber, and then obtain fretting map injection-molded item.
The beneficial effects of the utility model are：Shorten saturation former material and expect the time for adding injection machine, reduce gas point
Son effusion, is the continuous fretting map injection that a kind of production efficiency is high, forming process is easily controllable, scrap build complexity is low
Forming method.
Brief description of the drawings
Fig. 1 is the overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus schematic diagram of the utility model；
Fig. 2 is the overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus one kind infiltration kettle structure of the utility model
Form schematic diagram.
In figure：1. gas compressor, 2. driers, 3. air accumulators, 4. receivers, 5. flappers, 6. infiltration kettles, 7. pressure
Control valve, 8. supercritical fluid makers, 9. air feed tanks, 10. outlet valves, 11. tail seal components, 12. hoppers, 13. heating
Device, 14. screw rods, 15. machine barrels, 16. nozzles.
Wherein, 6-1. permeates sheaf space on kettle charging aperture, 6-2. infiltration kettles, 6-3. infiltration kettle lower layer spaces.
Embodiment
The overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus of the utility model, as shown in figure 1, main device
Include supercritical fluid permeability apparatus, Pneumatic conveyer and injection moulding apparatus.
Supercritical fluid permeability apparatus it is main by air feed tank 9, supercritical fluid maker 8, infiltration kettle 6, flapper 5, go out
Expect valve 10, tracheae composition, air feed tank 9, supercritical fluid maker 8, infiltration kettle 6 pass sequentially through tracheae connection.Supercritical fluid
Pressure-control valve 7, booster pump are set between maker 8 and infiltration kettle 6, to control pressure in infiltration kettle.Permeate the Nei Wenduwei of kettle 6
Hold more than supercritical fluid critical-temperature.The effect of flapper 5 is Homogeneous charge or discharging, while preventing gas from leaking into.Go out
The effect of material valve 10 is control discharging flow, can be pressure opening and closing valve either rotary valve.
Pneumatic conveyer mainly includes gas compressor 1, drier 2, air accumulator 3, receiver 4, tracheae and delivery pipe.
Gas compressor 1, drier 2, air accumulator 3, receiver 4 pass sequentially through tracheae connection.The effect of receiver 4 is to enter material,
Suitable solid-gas ratio is caused, material started, accelerated.
Injection moulding apparatus includes injecting systems, Clamping System, dynamical system and control system.Injecting systems, Clamping System are simultaneously
Row are placed, and injecting systems inject melt, dynamical system and control system control injecting systems, matched moulds into the mould of Clamping System
The motion of system, injecting systems therein are general by nozzle 16, machine barrel 15, screw rod 14, heater 13, hopper 12 and tail seal
Component 11 is constituted.
In a kind of above-mentioned overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus, infiltration kettle 6 has two kinds
Different structure type.One of which infiltration kettle 6 has a confined space, and lower section is saturation export of raw material, and exit is set
Flapper 5, outlet valve 6 are put, receiver 4 is transported material to by permeating pressure and material self gravitation in kettle 6；It is another to ooze
Separated in the middle of saturating kettle 6 by dividing plate, be divided into above and below set sheaf space 6-2 saturations on flapper 5, infiltration kettle former between two layers, two layers
Material enters infiltration kettle lower layer space 6-3 by switching flapper 5, to realize that sheaf space 6-2 enters to raw material on infiltration kettle
Row saturation, infiltration kettle lower layer space 6-3 to saturation raw material carry out storing, be easy to raw material supplement and technique it is continuous
Metaplasia is produced, and infiltration kettle lower layer space 6-3 saturation raw material enter receiver 4 by rotary valve.
A kind of above-mentioned overcritical saturation particle Geldart-D particle fretting map injection moulding method is mainly included the following steps that：
The first step：Raw material are put into infiltration kettle 6, the supercritical fluid generated using supercritical fluid maker 8 is carried out
Saturation, obtains saturation raw material；
Second step：Switch outlet valve 10, saturation raw material are transported to receiver 4, in having that gas compressor 1 is produced
In the presence of the gas of elevated pressures, suitable solid-gas ratio is arrived in regulation, makes saturation raw material in the presence of strength in delivery pipe
It is middle to be transported to forward in injecting systems hopper 12 into plunger state；
3rd step：Saturation raw material in hopper 12 enter in injecting systems machine barrel 15, are melted in the presence of screw rod 14
Plasticizing, the gas penetrated into raw material carries out uniform mixing and is distributed in melt at this moment, is then injected into mold cavity,
Bubble nucleating formation microcellular structure in mold cavity, and then obtain fretting map injection-molded item.
The above is specific equipment and process condition of the present utility model, coordinates each figure to be explained.But this practicality
It is new to be not limited to above-described specific equipment and technical process, it is any described to be changed based on above-mentioned for relevant device
Or replace, it is any based on the above-mentioned described local directed complete set for related process, as long as in the range of the realm of spirit of the present invention,
Belong to the utility model.
Claims (3)
1. overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus, it is characterised in that：Mainly include shooting flow
Body permeability apparatus, Pneumatic conveyer and injection moulding apparatus, described supercritical fluid permeability apparatus it is main by air feed tank, it is overcritical
Fluid maker, infiltration kettle, flapper, outlet valve and tracheae composition, air feed tank, supercritical fluid maker, infiltration kettle are successively
Connected by tracheae, pressure-control valve and booster pump are set between supercritical fluid maker and infiltration kettle, temperature in the kettle is permeated
Maintain more than supercritical fluid critical-temperature；Described Pneumatic conveyer mainly includes gas compressor, drier, gas storage
Tank, receiver, tracheae and delivery pipe, gas compressor, drier, air accumulator, receiver pass sequentially through tracheae connection；Injection dress
Put including injecting systems, Clamping System, dynamical system and control system, wherein, injecting systems are by nozzle, machine barrel, screw rod, heating
Device, hopper and tail seal component composition.
2. overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus according to claim 1, it is characterised in that：
Permeating kettle has a confined space, and lower section is saturation export of raw material, and exit sets flapper, outlet valve, passes through infiltration
Pressure and material self gravitation transport material to receiver in kettle.
3. overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus according to claim 1, it is characterised in that：
Separated in the middle of infiltration kettle by dividing plate, be divided into above and below sheaf space saturation raw material on flapper, infiltration kettle are set between two layers, two layers
Enter infiltration kettle lower layer space by switching flapper, infiltration kettle lower layer space is carried out to saturation raw material under storing, infiltration kettle
The saturation raw material of sheaf space enter receiver by rotary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226737.6U CN206326802U (en) | 2016-11-15 | 2016-11-15 | Overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226737.6U CN206326802U (en) | 2016-11-15 | 2016-11-15 | Overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus |
Publications (1)
| Publication Number | Publication Date |
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| CN206326802U true CN206326802U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226737.6U Withdrawn - After Issue CN206326802U (en) | 2016-11-15 | 2016-11-15 | Overcritical saturation particle Geldart-D particle fretting map Coinjection molding apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676746A (en) * | 2019-01-21 | 2019-04-26 | 石家庄铁道大学 | 3D printing device based on mechanical arm |
-
2016
- 2016-11-15 CN CN201621226737.6U patent/CN206326802U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676746A (en) * | 2019-01-21 | 2019-04-26 | 石家庄铁道大学 | 3D printing device based on mechanical arm |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20190524 |
|
| AV01 | Patent right actively abandoned |