CN107186997A - The continuous foamed shaped device of fine-celled foam granular materials - Google Patents
The continuous foamed shaped device of fine-celled foam granular materials Download PDFInfo
- Publication number
- CN107186997A CN107186997A CN201710542165.5A CN201710542165A CN107186997A CN 107186997 A CN107186997 A CN 107186997A CN 201710542165 A CN201710542165 A CN 201710542165A CN 107186997 A CN107186997 A CN 107186997A
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- CN
- China
- Prior art keywords
- axially
- fine
- extrusion
- granular materials
- celled foam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 25
- 239000008187 granular material Substances 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000004513 sizing Methods 0.000 claims abstract description 9
- 238000005453 pelletization Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005187 foaming Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 206010000269 abscess Diseases 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention relates to expanded material manufacture technology field, a kind of compact conformation is provided, while effective improving production efficiency, the continuous foamed shaped device of fine-celled foam granular materials of effective lifting foaming quality, including extruder, extruder includes axially export pipeline, axial screw and screw drive motor, axially sizing material entrance is offered on export pipeline, axially heater is furnished with the lateral wall of export pipeline, axially export pipeline is provided with extrusion, extrusion is axially extending to be provided with connecting tube, streamwise is sequentially provided with filter house in connecting tube, gear pump and static mixer, the lateral wall of connecting tube is provided with heat conduction oil lagging；Static mixer is provided with air intake and auxiliary agent entrance, and the output end of static mixer is provided with shunting extrusion die, and shunting extrusion die is provided with the extrusion duct of multiple laid out in parallel；Also include doctor blade device, the doctor blade device is used for the discharging pelletizing for extruding duct.
Description
Technical field
The present invention relates to expanded material manufacture technology field, more particularly to a kind of fine-celled foam granular materials it is continuous foamed into
Type device.
Background technology
Fine-celled foam granular materials is that a kind of cell diameter is micron-sized Novel foam material, and the characteristics of its is maximum is exactly
Abscess is small and dense, is evenly distributed, 0.1-10 μm of cell diameter, 109-1015/cm of cell density3.Cellular plastic is reducing modeling
While expecting consumption, the toughness of product is improved, it is considered to be " new materials in 21st century ".With abscess-size in grade
Conventional foams compare, microcellular foam have more excellent mechanical property, dimensional stability, heat endurance, Jie
Electrical property etc., has special application value in automobile, aircraft and various transportation equipment fields；In addition, it can be additionally used in food bag
In terms of dress, biomedicine, construction material, household appliances, information engineering and sports equipment.
The continuous extrusion of microcellular foam differs widely with traditional foamed plastics process.Conventional is continuous
Microcellular foam process is：Polymer is added into extruder, and after melting, homogenizing, gas passes through machine barrel
Inlet is injected into polymer melt, and homogeneous polymer-gas system is formed in the presence of shear-mixed in machine barrel,
Foaming die is then fed to, foamed and is molded, shaped, that is, obtains microcellular structure product.But, the forming method is present
There is pressure transient, supercritical fluid mixing is uneven, and foaming quality is low, and multiplying power is unstable, sizing cooling velocity is slow, production
The low defect of amount.
The content of the invention
Therefore, for it is above-mentioned the problem of, the present invention proposes a kind of compact conformation, while effective improving production efficiency,
The continuous foamed shaped device of fine-celled foam granular materials of effective lifting foaming quality.
To realize above-mentioned technical problem, the solution that the present invention takes is：Fine-celled foam granular materials it is continuous foamed into
Type device, including frame and control exchange, the frame are provided with extruder, and the extruder includes axial direction export pipeline, worn
On the screw drive motor rotated located at the axial screw and driving axial screw rod of axially export pipeline, the axially export pipeline
Offer and heater is evenly equipped with sizing material entrance, the lateral wall of the axially export pipeline, the axially export pipeline is located at
The position of the free end of axial screw is provided with extrusion；The extrusion is axially extending to be provided with edge in connecting tube, the connecting tube
Flow direction is sequentially provided with filter house, gear pump and static mixer, and the lateral wall of the connecting tube is provided with heat conduction oil lagging；
The static mixer is provided with air intake and auxiliary agent entrance, and the output end of the static mixer is provided with shunting extrusion mould
Head, the shunting extrusion die is provided with the extrusion duct of multiple laid out in parallel；Also include doctor blade device, the doctor blade device is used
Discharging pelletizing in extrusion duct；It is located at filter house output end, gear pump output terminal and static mixer in the connecting tube defeated
The position for going out end is equipped with pressure sensor, and the pressure sensor is with controlling total mechatronics, the screw drive motor, tooth
Wheel pump, doctor blade device are controlled by controlling exchange.
It is further that the draw ratio of the axial screw is 20:1-25:1.
It is further that the heater is heating coil, the heating coil, which is surrounded on, axially exports the outer of pipeline
On the wall of side.
It is further that the filter house includes screen pack and net-changing device, the screen pack is placed in net-changing device.
It is further that air intake and the auxiliary agent entrance is connected to gasometry level pressure continuous transfer pump and auxiliary agent
Quantitative level pressure continuous transfer pump, the quantitative level pressure continuous transfer pump of the gasometry level pressure continuous transfer pump and auxiliary agent is controlled by
Control exchange.
It is further that the aperture in the extrusion duct is 1-3mm；The a length of 1-10cm in hole in the extrusion duct.
It is further that the static mixer length is 1-3m.
It is further that the pelletizing type of cooling is that water ring is cut or cut under water.
By using preceding solution, the beneficial effects of the invention are as follows：The fine-celled foam granular material designed as described above
Expect continuous foamed shaped device, axially transmission and heater are combined to sizing material progress melt process using screw rod, and extrusion is set
Filtration treatment can be carried out to melting sizing material by putting filter house, filter out sizing material impurity, it is to avoid impurity is to abscess in follow-up foaming process
Formation is impacted；Melt sizing material and carry out blending with the gas such as supercritical CO 2 or N2, auxiliary agent in static mixer and merge, one
The static mixer of measured length enhances the mixing of supercritical fluid, auxiliary agent and high polymer material；Set on the lateral wall of connecting tube
There are heat conduction oil lagging, i.e. connecting tube that there is steady temperature effect, after material blending fusion, finally in squeezing by shunting extrusion die
Going out in duct to extrude moment completes foaming nucleation, growth, and by doctor blade device pelletizing, sizing, cooling side are completed in water
Formula can be that water ring is cut or cut under water；Meanwhile, in the course of the work, can constantly it be monitored by pressure sensor described micro-
The flowing pressure state of the continuous foamed shaped device of hole foam beads material, with the work of adjusting bolt motor, gear pump etc.
Make state, carry out foaming regulation and control；Therefore, the continuous foamed shaped device compact conformation of the fine-celled foam granular materials, behaviour
Make simple, multiple production processes be effectively combined as a whole, can effective improving production efficiency, while can also effectively regulate and control
Foaming quality is lifted, it is practical.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
In conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to Fig. 1, the embodiment of the present invention is disclosed, the continuous foamed shaped device of fine-celled foam granular materials, including machine
Frame and control exchange, the frame are provided with extruder, and the extruder includes axial direction export pipeline 1, is arranged in axial export
Glue is offered on the screw drive motor 3 that the axial screw 2 and driving axial screw rod of pipeline are rotated, the axially export pipeline 1
Expect to be evenly equipped with heater 12 on entrance 11, the lateral wall of the axially export pipeline 1, the axially export pipeline 1 is located at axle
Extrusion 13 is provided with to the position of the free end of screw rod；The extrusion 13 is axially extending to be provided with connecting tube, the connecting tube
Streamwise is sequentially provided with filter house 14, gear pump 15 and static mixer 16, and the lateral wall of the connecting tube 13 is provided with
Heat conduction oil lagging；The filter house 14 includes screen pack and net-changing device, and the screen pack is placed in net-changing device；The static mixing
Device 16 is provided with air intake 161 and auxiliary agent entrance 162, and the air intake 161 and auxiliary agent entrance 162 are connected to gasometry
Level pressure continuous transfer pump and the quantitative level pressure continuous transfer pump of auxiliary agent；The output end of the static mixer 16 is extruded provided with shunting
Die head 163, the shunting extrusion die 163 is provided with the extrusion duct 164 of multiple laid out in parallel；Also include doctor blade device 4, institute
The discharging pelletizing that doctor blade device 4 is used to extrude duct is stated, the pelletizing type of cooling is that water ring is cut or cut under water（It is not drawn into figure）；Institute
State in connecting tube 13 positioned at filter house output end, gear pump output terminal and static mixer output end position be equipped with pressure biography
Sensor 5, the pressure sensor 5 is with controlling total mechatronics, the screw drive motor 3, gear pump 15, doctor blade device 4, gas
The quantitative level pressure continuous transfer pump of body and the quantitative level pressure continuous transfer pump of auxiliary agent are controlled by controlling exchange.
The continuous foamed shaped device of fine-celled foam granular materials designed in summary, compact conformation is simple to operate, foaming
Forming Quality is good, effectively improves the production efficiency of fine-celled foam granular materials, and practicality is high.
Described above, only using the embodiment of this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (8)
1. the continuous foamed shaped device of fine-celled foam granular materials, it is characterised in that：Including frame and control exchange, the machine
Frame is provided with extruder, and the extruder includes axially exporting pipeline, is arranged in the axially axial screw of export pipeline and driving
Sizing material entrance, the axially export pipeline are offered on the screw drive motor that axial screw is rotated, the axially export pipeline
Lateral wall on be evenly equipped with heater, the axially export pipeline is located at the position of the free end of axial screw provided with extrusion
Mouthful；The extrusion is axially extending to be provided with connecting tube, in the connecting tube streamwise be sequentially provided with filter house, gear pump and
Static mixer, the lateral wall of the connecting tube is provided with heat conduction oil lagging；The static mixer is provided with air intake and helps
Agent entrance, the output end of the static mixer provided with shunting extrusion die, the shunting extrusion die provided with it is multiple simultaneously
Arrange the extrusion duct of arrangement；Also include doctor blade device, the doctor blade device is used for the discharging pelletizing for extruding duct；The connecting tube
The upper position positioned at filter house output end, gear pump output terminal and static mixer output end is equipped with pressure sensor, described
Pressure sensor is with controlling total mechatronics, and the screw drive motor, gear pump, doctor blade device are controlled by controlling exchange.
2. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：The axial direction
The draw ratio of screw rod is 20:1-25:1.
3. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：The heating
Device is heating coil, and the heating coil is surrounded on the axially lateral wall of export pipeline.
4. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：The mistake
Filter portion includes screen pack and net-changing device, and the screen pack is placed in net-changing device.
5. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：It is described enter gas
Mouth and auxiliary agent entrance are connected to gasometry level pressure continuous transfer pump and the quantitative level pressure continuous transfer pump of auxiliary agent, the gas
The quantitative quantitative level pressure continuous transfer pump of level pressure continuous transfer pump and auxiliary agent is controlled by controlling exchange.
6. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：The extrusion
The aperture in duct is 1-3mm；The a length of 1-10cm in hole in the extrusion duct.
7. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：The static state
Mixer length is 1-3m.
8. the continuous foamed shaped device of fine-celled foam granular materials according to claim 1, it is characterised in that：Pelletizing is cooled down
Mode is that water ring is cut or cut under water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542165.5A CN107186997A (en) | 2017-07-05 | 2017-07-05 | The continuous foamed shaped device of fine-celled foam granular materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542165.5A CN107186997A (en) | 2017-07-05 | 2017-07-05 | The continuous foamed shaped device of fine-celled foam granular materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186997A true CN107186997A (en) | 2017-09-22 |
Family
ID=59880349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710542165.5A Pending CN107186997A (en) | 2017-07-05 | 2017-07-05 | The continuous foamed shaped device of fine-celled foam granular materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186997A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049602A (en) * | 2018-07-17 | 2018-12-21 | 天津科技大学 | It is a kind of for producing the single screw extrusion machine of starch plastics |
| CN109291403A (en) * | 2018-10-23 | 2019-02-01 | 苏州金纬管道科技有限公司 | The double extruders out of one mould |
| CN110919893A (en) * | 2019-11-07 | 2020-03-27 | 湖南工业大学 | Low-density polylactic acid foaming micro-bead preparation facilities |
| CN111037777A (en) * | 2019-11-07 | 2020-04-21 | 湖南工业大学 | High-filling wood-plastic composite material granulation device |
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| CN201198187Y (en) * | 2007-09-18 | 2009-02-25 | 大连市水利科学研究所 | Cellular plastic extruding system |
| CN101678565A (en) * | 2007-05-18 | 2010-03-24 | 波利玛利欧洲股份公司 | Process for the preparation of granules based on expandable thermoplastic polymers and relative product |
| JP2017061060A (en) * | 2015-09-24 | 2017-03-30 | エバーフォーカス インターナショナル カンパニー リミテッド | Processing method for generating fine air bubble in polymer by processing molding machine |
| CN207105569U (en) * | 2017-07-05 | 2018-03-16 | 茂泰(福建)鞋材有限公司 | The continuous foamed shaped device of fine-celled foam granular materials |
-
2017
- 2017-07-05 CN CN201710542165.5A patent/CN107186997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678565A (en) * | 2007-05-18 | 2010-03-24 | 波利玛利欧洲股份公司 | Process for the preparation of granules based on expandable thermoplastic polymers and relative product |
| CN201198187Y (en) * | 2007-09-18 | 2009-02-25 | 大连市水利科学研究所 | Cellular plastic extruding system |
| JP2017061060A (en) * | 2015-09-24 | 2017-03-30 | エバーフォーカス インターナショナル カンパニー リミテッド | Processing method for generating fine air bubble in polymer by processing molding machine |
| CN207105569U (en) * | 2017-07-05 | 2018-03-16 | 茂泰(福建)鞋材有限公司 | The continuous foamed shaped device of fine-celled foam granular materials |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049602A (en) * | 2018-07-17 | 2018-12-21 | 天津科技大学 | It is a kind of for producing the single screw extrusion machine of starch plastics |
| CN109049602B (en) * | 2018-07-17 | 2021-02-19 | 天津科技大学 | Single-screw extruder for producing starch-based plastics |
| CN109291403A (en) * | 2018-10-23 | 2019-02-01 | 苏州金纬管道科技有限公司 | The double extruders out of one mould |
| CN110919893A (en) * | 2019-11-07 | 2020-03-27 | 湖南工业大学 | Low-density polylactic acid foaming micro-bead preparation facilities |
| CN111037777A (en) * | 2019-11-07 | 2020-04-21 | 湖南工业大学 | High-filling wood-plastic composite material granulation device |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 588, Jinxin Road, Jiangtou Village, Chendai Town, Jinjiang City, Quanzhou City, Fujian Province, 362000 Applicant after: Maotai (Fujian) New Material Technology Co.,Ltd. Address before: 362000 Chen Dai Zhen Jiang tou Cun, Jinjiang City, Quanzhou City, Fujian Province Applicant before: Maotai(Fujian) Soles Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170922 |