CN208745313U - The double-screw structure of fibre reinforced PC material extruder - Google Patents
The double-screw structure of fibre reinforced PC material extruder Download PDFInfo
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- CN208745313U CN208745313U CN201821299820.5U CN201821299820U CN208745313U CN 208745313 U CN208745313 U CN 208745313U CN 201821299820 U CN201821299820 U CN 201821299820U CN 208745313 U CN208745313 U CN 208745313U
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Abstract
A kind of double-screw structure of fibre reinforced PC material extruder, including shell, are equipped with two screw rods in the shell, and the every screw rod is divided into 1-12 area from feed end to discharge end, wherein the area 1-2 is feeding section, is equipped with feed inlet；The area 3-4 is melting mixing section；The area 5-6 is side feed material/first exhaust section, side spout is equipped in the 5th area, for carbon fiber to be added；The width of thread in the 6th area is gradually successively decreased；The area 7-10 is dispersion/homogenizing zone, this section of screw rod is equipped with the gear block of dispersed arrangement；11st area is vacuum evacuation section, and vacuum evacuation section is equipped with vaccum exhaust outlet, and the 12nd area is discharge boost section, this section of screw rod is equipped with small lead thread；The rear end of shell is discharge end.Had using the fibre reinforced PC material extruder of the utility model and is uniformly dispersed, hole and the carbon fiber reservation longer advantage of length is not present.
Description
Technical field
The utility model relates to the accessory technical fields of double screw extruder, more particularly, to a kind of fibre reinforced PC material
Expect the screw-rod structure of extruder.
Background technique
Carbon fiber has the characteristics such as high intensity, high-modulus, high temperature resistant, corrosion-resistant, endurance, creep resistant, conduction, heat transfer,
Belong to typical new high-tech product, mainly for the preparation of advanced composite material (ACM), is widely used to aerospace, sports goods
Field, industrial circle, traffic and transport field and civil construction field.Fibre reinforced PC series of products, meet high-impact respectively
It hits, the application demand of antistatic, high intensity and high thermal conductivity field.Although carbon fibre reinforcement performance is fine, utilizing
Come during preparing carbon fibre reinforcement, the carbon fibre reinforcement prepared still has point existing double screw extruder
It dissipates that uneven, to retain length shorter there are hole and carbon fiber, and prevents carbon fibre reinforcement from reaching its optimum performance shape
The problem of state, so there is still a need for improve its preparation facilities to reach optimal effect.
Utility model content
In order to overcome above-mentioned partial technical problems, the utility model provides one kind to society and is uniformly dispersed, there is no hole,
And carbon fiber retains the double-screw structure of the longer fibre reinforced PC material extruder of length.
The technical solution of the utility model is: providing a kind of double-screw structure of fibre reinforced PC material extruder, wraps
Shell is included, two screw rods are equipped in the shell, the every screw rod is divided into 1-12 area from feed end to discharge end,
Wherein, the area 1-2 is feeding section, is equipped with feed inlet；The area 3-4 is melting mixing section；The area 5-6 is side feed material/first exhaust
Section is equipped with side spout in the 5th area, for carbon fiber to be added；The width of thread in the 6th area is gradually successively decreased；The area 7-10 is
Dispersion/homogenizing zone, this section of screw rod are equipped with the gear block of dispersed arrangement；11st area is vacuum evacuation section, and vacuum evacuation section is equipped with
Vaccum exhaust outlet, the 12nd area are discharge boost section, this section of screw rod is equipped with small lead thread；The rear end of shell is discharge end.
As the improvement to the utility model, the feeding Duan Youcong feed end beginning has been sequentially connected in series eight threaded blocks,
In first threaded block there are two screw pitch, and screw pitch is 16mm；There are two screw pitch for second to the 4th threaded block, and screw pitch is
24mm；There are two screw pitch for 5th to the 6th threaded block, and screw pitch is 16mm；There are two spiral shells for 7th to the 8th threaded block
Away from, and screw pitch is 11mm.
As the improvement to the utility model, the melting mixing section along the feeding section successively by two groups of gear blocks and
Five threaded block compositions, wherein the structure of two groups of gear blocks is identical, and every group is made of 5 gear blocks, and each gear block presses 45
Spend angle arrangement, overall length 48mm；The first threaded block in five threaded blocks is there are two screw pitch, and screw pitch is 18mm, second to
Respectively there are two screw pitch for 4th threaded block, and each screw pitch is 24mm, and there are two screw pitch for the 5th threaded block, and screw pitch is 18mm.
As the improvement to the utility model, the side feed material/threaded block of first exhaust Duan Yousi and two groups of gear blocks
Composition, wherein the first threaded block is there are two screw pitch, and screw pitch is 18mm, second and third threaded block there are two screw pitch, and screw pitch
It is 16mm, there are two screw pitch for the 4th threaded block, and screw pitch is 11mm；The structure of two groups of gear blocks is identical, and every group is engaged by 5
Block composition, each gear block are 48mm by 45 degree of angle arrangements, every group of overall length.
As the improvement to the utility model, the dispersion/homogenizing zone is arranged by threaded block and gear block are alternate,
Along for the first threaded block, there are two screw pitch, and screw pitch is 16mm；Second and third threaded block respectively there are two screw pitch, and screw pitch is
11mm ；First group of gear block is made of 5 gear blocks, and each gear block is by 45 degree of angle arrangements, overall length 48mm；Second group
Gear block is made of 5 gear blocks, and each gear block is arranged by an angle of 90 degrees, overall length 48mm；4th and the 5th threaded block has
Two screw pitch, and screw pitch is 18mm；Respectively there are two screw pitch for 6th and the 7th threaded block, and screw pitch is 11mm；Third and fourth
The structure of group gear block is identical, and every group is made of 5 gear blocks, and each gear block is by 45 degree of angle arrangements, every group of overall length
48mm。
As the improvement to the utility model, Duan Youwu threaded block composition of the vacuum evacuation, wherein first screw thread
Block is single-lead, and screw pitch is 11mm；There are two screw pitch for second threaded block, and screw pitch is 18mm；Third is a to the 5th spiral shell
Line block group structure is identical, and there are two screw pitch, and screw pitch is 24mm.
As the improvement to the utility model, the discharge boost section is made of four threaded blocks, wherein first to
Three screw thread block structures are identical, and there are two screw pitch, and screw pitch is 16mm；There are two screw pitch for 4th threaded block, and screw pitch is
11mm。
The carbon fiber of processing is added due to using by side spout for the utility model, in case carbon fiber undergoes too long spiral shell
Bar shearing is blended and keeps reservation length too short, and the high intensity of carbon fiber is not played.
The utility model is being respectively equipped with exhaust apparatus in the 4th area of screw rod and the 11st area respectively, in the 4th Qu Zengjia
Exhaust apparatus the gas in molten resin can tentatively be discharged, solving the later period is mixed into carbon fiber and asks exhaust more difficult
Topic reduces the hole left due to not excluding gas because existing in composite material, influences the overall performance of composite material.
The utility model according to be blended when different demands carry out threaded block and gear block combination, it is fully dispersed mixing and
Distributive mixing makes composite material reach good dispersion effect, reaches optimal overall performance.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model.
Specific embodiment
In the description of the present invention, it should be understood that "center" in term, "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or component of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Figure 1, Fig. 1 it is revealed be a kind of fibre reinforced PC material extruder double-screw structure, including it is outer
Shell 10, is equipped with two screw rods 20,30 in the shell 10, and the every screw rod successively divides from feed end 110 to discharge end 120
For 1-12 area, wherein the area 1-2 is feeding section 130, is equipped with feed inlet 40；The area 3-4 is melting mixing section 140；5-6
Area is side feed material/first exhaust section 150, side spout 50 is equipped in the 5th area, for carbon fiber to be added；The width of thread in the 6th area
Gradually successively decrease；The area 7-10 is dispersion/homogenizing zone 160, this section of screw rod is equipped with the gear block of dispersed arrangement；11st area is
It is vacuum-evacuated section 170, vacuum evacuation section 170 is equipped with the 60, the 12nd area of vaccum exhaust outlet for discharge boost section 180, on this section of screw rod
Equipped with small lead thread；The rear end of shell 10 is discharge end 120.
Preferably, the feeding section 130 is by being sequentially connected in series eight threaded blocks from the feed end beginning, wherein first threaded block
There are two screw pitch, and screw pitch is 16mm；There are two screw pitch for second to the 4th threaded block, and screw pitch is 24mm；5th extremely
There are two screw pitch for 6th threaded block, and screw pitch is 16mm；There are two screw pitch for 7th to the 8th threaded block, and screw pitch is
11mm。
Preferably, the melting mixing section 140 is along the feeding section 130 successively by two groups of gear blocks and five threaded blocks
Composition, wherein the structure of two groups of gear blocks is identical, and every group is made of 5 gear blocks, and each gear block is arranged by 45 degree of angles,
Its overall length is 48mm；There are two screw pitch for the first threaded block in five threaded blocks, and screw pitch is 18mm, the second to the 4th threaded block
Each there are two screw pitch, and each screw pitch is 24mm, and there are two screw pitch for the 5th threaded block, and screw pitch is 18mm.
Preferably, the side feed material/first exhaust section 150 is made of four threaded blocks and two groups of gear blocks, wherein first
Threaded block is there are two screw pitch, and screw pitch is 18mm, second and third threaded block there are two screw pitch, and screw pitch is 16mm, the 4th spiral shell
There are two screw pitch for line block, and screw pitch is 11mm；The structure of two groups of gear blocks is identical, and every group is made of 5 gear blocks, each nibbles
Block is closed by 45 degree of angle arrangements, every group of overall length is 48mm.
Preferably, the dispersion/homogenizing zone 160 is arranged by threaded block and gear block are alternate, and suitable is the first screw thread
There are two screw pitch for block, and screw pitch is 16mm；Second and third threaded block respectively there are two screw pitch, and screw pitch is 11mm；First group
Gear block is made of 5 gear blocks, and each gear block is by 45 degree of angle arrangements, overall length 48mm；Second group of gear block is nibbled by 5
Block composition is closed, each gear block is arranged by an angle of 90 degrees, overall length 48mm；Screw pitch that there are two 4th and the 5th threaded blocks, and spiral shell
Away from being 18mm；Respectively there are two screw pitch for 6th and the 7th threaded block, and screw pitch is 11mm；The structure of third and fourth group of gear block
Identical, every group is made of 5 gear blocks, and each gear block is 48mm by 45 degree of angle arrangements, every group of overall length.
Preferably, the vacuum evacuation section 170 is made of five threaded blocks, wherein first threaded block is single-lead, and
Screw pitch is 11mm；There are two screw pitch for second threaded block, and screw pitch is 18mm；Third is identical to the 5th threaded block group structure,
There are two screw pitch, and screw pitch is 24mm.
Preferably, the discharge boost section 180 is made of four threaded blocks, wherein first to third screw thread block structure
Identical, there are two screw pitch, and screw pitch is 16mm；There are two screw pitch for 4th threaded block, and screw pitch is 11mm.
The carbon fiber of processing is added due to using by side spout for the utility model, in case carbon fiber undergoes too long spiral shell
Bar shearing is blended and keeps reservation length too short, and the high intensity of carbon fiber is not played.
The utility model is being respectively equipped with exhaust apparatus in the 4th area of screw rod and the 11st area respectively, in the 4th Qu Zengjia
Exhaust apparatus the gas in molten resin can tentatively be discharged, solving the later period is mixed into carbon fiber and asks exhaust more difficult
Topic reduces the hole left due to not excluding gas because existing in composite material, influences the overall performance of composite material.
The utility model according to be blended when different demands carry out threaded block and gear block combination, it is fully dispersed mixing and
Distributive mixing makes composite material reach good dispersion effect, reaches optimal overall performance.
What the utility model was vented by the arrangement of threaded block and gear block to double screw extruder twin-screw, twice sets
It sets and the setting such as carbon fiber is added in side feed material, the overall performance of double screw extruder can be improved, it is multiple to fibre reinforced PC
Condensation material has preferably uniformly dispersed, and hole is not present in the material squeezed out, and can retain carbon fiber to greatest extent
The original length of dimension.
In use, first by resin and pulverulent filler and related auxiliaries by 40 blanking of spout, and select and constantly change
The screw thread of screw channel width is threaded compression than sufficiently large, and guarantee material is abundant and closely knit.In melting mixing section 140, resin can be made
It is tentatively mixed with filler, this section selects biggish piece of group of thickness to be at an angle of biggish gear block.In side feed material/first exhaust section
150, this section uses steep-lead thread element, reduces melt in the degree of filling of screw channel, is conducive to melt small molecular volatile matter
It excludes, is in addition also beneficial to the addition of chopped carbon fiber herein in this way, wherein the side spout 50 is located at the 5th area, is added
Carbon fiber be through processing and it is preheated, preheating is the side in order to which downstream is more preferably infiltrated and dispersed to carbon fiber faster
The 6th area of feeding/first exhaust section 150, the width of thread are gradually to successively decrease, and compression section is avoided to occur the carbon fiber for making to be added too early
The air carried secretly in dimension due to downstream pressure appearance and the exhaust of reverse screw rod transmission direction and melt blocking, flash occur existing
As.The area 7-10 is dispersion/homogenizing zone 160, and screw rod is made of the gear block of dispersed arrangement herein, is caused with reducing excessive shear
Carbon fiber length is impaired, influences composite material combination property.11st area is vacuum evacuation section 170, further excludes mixing material
In small molecule volatile matter.12nd area is discharge boost section 180, and screw thread uses small lead herein, and compression ratio is gradually increased.
It should be noted that being explained in detail for the respective embodiments described above, purpose be only that the utility model into
Row explain, in order to be able to preferably explanation the utility model, still, these description cannot with any explanation at be to this
The limitation of utility model, in particular, each feature described in various embodiments can also mutual any combination, thus
Other embodiments are formed, in addition to there is clearly opposite description, these features should be understood to can be applied to any one reality
It applies in mode, and is not limited merely to described embodiment.
Claims (7)
1. a kind of double-screw structure of fibre reinforced PC material extruder, including shell (10) are set in the shell (10)
There are two screw rods (20,30), it is characterised in that: the every screw rod is divided into 1- from feed end (110) to discharge end (120)
12 areas, wherein the area 1-2 is feeding section (130), is equipped with feed inlet (40)；The area 3-4 is melting mixing section (140)；5-
6th area are side feed material/first exhaust section (150), side spout (50) are equipped in the 5th area, for carbon fiber to be added；The spiral shell in the 6th area
Line width gradually successively decreases；The area 7-10 is dispersion/homogenizing zone (160), this section of screw rod is equipped with the gear block of dispersed arrangement；
11st area is vacuum evacuation section (170), and vacuum evacuation section (170) is equipped with vaccum exhaust outlet (60), and the 12nd area is discharge boost section
(180), this section of screw rod is equipped with small lead thread；The rear end of shell (10) is discharge end (120).
2. the double-screw structure of fibre reinforced PC material extruder according to claim 1, it is characterised in that: described to feed
Material section (130) is by being sequentially connected in series eight threaded blocks from the feed end beginning, wherein there are two screw pitch for first threaded block, and screw pitch is
16mm；There are two screw pitch for second to the 4th threaded block, and screw pitch is 24mm；There are two spiral shells for 5th to the 6th threaded block
Away from, and screw pitch is 16mm；There are two screw pitch for 7th to the 8th threaded block, and screw pitch is 11mm.
3. the double-screw structure of fibre reinforced PC material extruder according to claim 1 or 2, it is characterised in that: institute
It states melting mixing section (140) to be successively made of two groups of gear blocks and five threaded blocks along the feeding section (130), wherein two
The structure of group gear block is identical, and every group is made of 5 gear blocks, and each gear block is by 45 degree of angle arrangements, overall length 48mm；
The first threaded block in five threaded blocks is there are two screw pitch, and screw pitch is 18mm, the second to the 4th threaded block respectively there are two screw pitch,
And each screw pitch is 24mm, there are two screw pitch for the 5th threaded block, and screw pitch is 18mm.
4. the double-screw structure of fibre reinforced PC material extruder according to claim 1 or 2, it is characterised in that: institute
It states side feed material/first exhaust section (150) to be made of four threaded blocks and two groups of gear blocks, wherein there are two spiral shells for the first threaded block
Away from, and screw pitch is 18mm, second and third threaded block there are two screw pitch, and screw pitch is 16mm, the 4th threaded block there are two screw pitch,
And screw pitch is 11mm；The structure of two groups of gear blocks is identical, and every group is made of 5 gear blocks, and each gear block is by 45 degree of angle rows
Column, every group of overall length are 48mm.
5. the double-screw structure of fibre reinforced PC material extruder according to claim 1 or 2, it is characterised in that: institute
Dispersion/homogenizing zone (160) is stated to be arranged by threaded block and gear block are alternate, along for the first threaded block, there are two screw pitch, and
Screw pitch is 16mm；Second and third threaded block respectively there are two screw pitch, and screw pitch is 11mm；First group of gear block is engaged by 5
Block composition, each gear block is by 45 degree of angle arrangements, overall length 48mm；Second group of gear block is made of 5 gear blocks, is each nibbled
It closes block to arrange by an angle of 90 degrees, overall length 48mm；There are two screw pitch for 4th and the 5th threaded block, and screw pitch is 18mm；6th He
Respectively there are two screw pitch for 7th threaded block, and screw pitch is 11mm；The structure of third and fourth group of gear block is identical, and every group by 5
A gear block composition, each gear block are 48mm by 45 degree of angle arrangements, every group of overall length.
6. the double-screw structure of fibre reinforced PC material extruder according to claim 5, it is characterised in that: described true
Empty exhaust section (170) is made of five threaded blocks, wherein first threaded block is single-lead, and screw pitch is 11mm；Second spiral shell
There are two screw pitch for line block, and screw pitch is 18mm；Third is identical to the 5th threaded block group structure, there are two screw pitch, and screw pitch
It is 24mm.
7. the double-screw structure of fibre reinforced PC material extruder according to claim 1 or 2, it is characterised in that: institute
It states discharge boost section (180) to be made of four threaded blocks, wherein first identical to third screw thread block structure, there are two spiral shells
Away from, and screw pitch is 16mm；There are two screw pitch for 4th threaded block, and screw pitch is 11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299820.5U CN208745313U (en) | 2018-08-13 | 2018-08-13 | The double-screw structure of fibre reinforced PC material extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299820.5U CN208745313U (en) | 2018-08-13 | 2018-08-13 | The double-screw structure of fibre reinforced PC material extruder |
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| CN208745313U true CN208745313U (en) | 2019-04-16 |
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| CN201821299820.5U Active CN208745313U (en) | 2018-08-13 | 2018-08-13 | The double-screw structure of fibre reinforced PC material extruder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778692A (en) * | 2020-12-31 | 2021-05-11 | 广东国恩塑业发展有限公司 | Reinforced ABS (acrylonitrile-butadiene-styrene) composition with low expansion coefficient and preparation method thereof |
-
2018
- 2018-08-13 CN CN201821299820.5U patent/CN208745313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778692A (en) * | 2020-12-31 | 2021-05-11 | 广东国恩塑业发展有限公司 | Reinforced ABS (acrylonitrile-butadiene-styrene) composition with low expansion coefficient and preparation method thereof |
| CN112778692B (en) * | 2020-12-31 | 2023-04-11 | 广东国恩塑业发展有限公司 | Reinforced ABS (acrylonitrile-butadiene-styrene) composition with low expansion coefficient and preparation method thereof |
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