CN205329215U - Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device - Google Patents
Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device Download PDFInfo
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- CN205329215U CN205329215U CN201620091725.0U CN201620091725U CN205329215U CN 205329215 U CN205329215 U CN 205329215U CN 201620091725 U CN201620091725 U CN 201620091725U CN 205329215 U CN205329215 U CN 205329215U
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Abstract
Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device, including fixed pipeline and compounding unit, the compounding unit includes static compounding pipeline and the dynamic compounding pipeline that sets up with the axial, is equipped with dynamic helical baffles in the dynamic compounding pipeline, dynamic helical baffles separates into first semicircle helical coiled passage and second semicircle helical coiled passage, dynamic helical baffles and dynamic compounding pipe inner wall clearance fit with the inside axial direction that follows of dynamic compounding pipeline, be equipped with static helical baffles in the static compounding pipeline, static helical baffles separates into third semicircle helical coiled passage and fourth semicircle helical coiled passage, static helical baffles and static compounding pipe inner wall fixed connection with the inside axial direction that follows of static compounding pipeline. The utility model discloses direct set up in the melt -conveying pipeline a plurality of groups compounding unit can, saved installation compounding system on pipeline, practiced thrift the cost, reach the purpose of fuse -element even compounding when flowing through pipeline, transport and compounding efficiency improve greatly.
Description
Technical field
This utility model belongs to melt mixed technical field, is specifically related to a kind of polylactic acid melt direct fabrics melt pipe sound integral type mixing device。
Background technology
At present, polylactic acid after polymerization is routed directly to spinning pump and carries out in melt spinning process, polylactic acid melt is big due to viscosity, and polyreaction can be recurred under certain high temperature, owing to conveyance conduit is longer, big especially near the high polymer molten viscosity of tube wall, molecular weight of high polymer wider distribution (uneven) problem that polylactic acid melt causes because melt flow is uneven in course of conveying, thus having influence on spinning quality。
Utility model content
This utility model is in order to solve weak point of the prior art, it is provided that a kind of simple in construction, cost are low, the polylactic acid melt direct fabrics melt pipe sound integral type mixing device of mix homogeneously。
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that polylactic acid melt direct fabrics melt pipe sound integral type mixing device, including fixed-piping and batch mixing unit, batch mixing unit includes static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline and static batch mixing pipeline, dynamic screw dividing plate it is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct by dynamic screw dividing plate, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance；Being provided with static ribbon dividing plate in static batch mixing pipeline, static state batch mixing pipeline axially inside direction is separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static ribbon dividing plate, and static ribbon dividing plate is fixing with static batch mixing inner-walls of duct to be connected；
The plane at the place, both ends of dynamic screw dividing plate and static ribbon dividing plate is each perpendicular to the central axis of dynamic mixture pipeline, center, dynamic screw dividing plate right part is provided with dynamic cone tank, center, dynamic screw dividing plate left part is provided with dynamically top, center, static ribbon dividing plate right part is provided with static cone tank, center, static ribbon dividing plate left part is provided with static top, and dynamic top left end withstands in static cone tank；
Fixed-piping left end and dynamic mixture pipeline right-hand member Flange joint, be provided with support in fixed-piping, support is provided with stationary center, and stationary center left end withstands in dynamic cone tank。
The quantity of described batch mixing unit is be more than or equal to two groups, and Flange joint between two adjacent groups batch mixing unit, the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of adjacent one group batch mixing unit, and fixed-piping is connected with one group of batch mixing unit of low order end。
The length of static batch mixing pipeline is less than the length of dynamic mixture pipeline。
Adopt technique scheme, polylactic acid after polymerization is entered by fixed-piping, when the melt of thickness under high pressure passes through dynamic mixture pipeline time, dynamic screw dividing plate starts to rotate under the promotion of melt, the dynamic screw dividing plate that viscous melt on the inwall of dynamic mixture pipeline is rotated scrapes, rarer melt that obtains in the middle of the viscous melt scraped and dynamic mixture pipeline mixes, and push ahead the 3rd semicircle helical duct in static batch mixing pipeline and mix in the 4th semicircle helical duct, enter back into after mixing and in dynamic mixture pipeline, repeat above-mentioned batch mixing process, after some groups of batch mixing unit, uniform polylactic acid melt enters spinning pump。
Due to the first semicircle helical duct and the second semicircle helical duct is longer and all in the axial direction for the hand of spiral arrange, thus can when pressurized melt is passed through, drive dynamic screw dividing plate rotate；The top form with the press-fit of cone tank top of rotary material of dynamic screw dividing plate, is not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improving the efficiency of dynamic screw dividing plate scraper。The length of static batch mixing pipeline, less than the length of dynamic mixture pipeline, so can make most of length of the pipeline of whole conveying polylactic acid all can be wiped off by king-sized for the viscosity adhered on tube wall polylactic acid, fully improves the uniformity of mixing。
In sum, this utility model is reasonable in design, simple in construction, directly some groups of batch mixing unit are set in smelt spout road, eliminate installation mixing system on conveyance conduit, having saved cost, reached melt purpose of uniform batch mixing when flowing through conveyance conduit, conveying and batch mixing efficiency are greatly improved。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present utility model with one group of batch mixing unit；
Fig. 2 is the perspective view of dynamic screw dividing plate in Fig. 1；
Fig. 3 is the perspective view of static ribbon dividing plate in Fig. 1。
Detailed description of the invention
As shown in Figure 1-Figure 3, polylactic acid melt direct fabrics melt pipe sound integral type mixing device of the present utility model, including fixed-piping 1 and batch mixing unit, batch mixing unit includes static batch mixing pipeline 2 and the dynamic mixture pipeline 3 of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline 3 and static batch mixing pipeline 2, dynamic screw dividing plate 4 it is provided with in dynamic mixture pipeline 3, dynamic mixture pipeline 3 axially inside direction is separated into the first semicircle helical duct 5 and the second semicircle helical duct 6 by dynamic screw dividing plate 4, dynamic screw dividing plate 4 and dynamic mixture pipeline 3 inwall matched in clearance；Being provided with static ribbon dividing plate 7 in static batch mixing pipeline 2, static state batch mixing pipeline 2 axially inside direction is separated into the 3rd semicircle helical duct 8 and the 4th semicircle helical duct 9 by static ribbon dividing plate 7, and static ribbon dividing plate 7 is fixing with static batch mixing pipeline 2 inwall to be connected。
The plane at the place, both ends of dynamic screw dividing plate 4 and static ribbon dividing plate 7 is each perpendicular to the central axis of dynamic mixture pipeline 3, center, dynamic screw dividing plate 4 right part is provided with dynamic cone tank 10, center, dynamic screw dividing plate 4 left part is provided with dynamically top 11, center, static ribbon dividing plate 7 right part is provided with static cone tank 12, center, static ribbon dividing plate 7 left part is provided with static top 13, and dynamically top 11 left ends withstand in static cone tank 12。
Fixed-piping 1 left end and dynamic mixture pipeline 3 right-hand member Flange joint, be provided with support 14 in fixed-piping 1, support 14 is provided with stationary center 15, and stationary center 15 left end withstands in dynamic cone tank 10。
The quantity of batch mixing unit is be more than or equal to two groups, and Flange joint between two adjacent groups batch mixing unit, top 13 left ends of static state of one group of batch mixing unit withstand in the dynamic cone tank 10 of adjacent one group batch mixing unit, and fixed-piping 1 is connected with one group of batch mixing unit of low order end。
Specific works use procedure of the present utility model is as follows: the polylactic acid after polymerization is entered by fixed-piping 1, when the melt of thickness under high pressure passes through dynamic mixture pipeline 3 time, dynamic screw dividing plate 4 starts to rotate under the promotion of melt, the dynamic screw dividing plate 4 that viscous melt on the inwall of dynamic mixture pipeline 3 is rotated scrapes, rarer melt that obtains in the middle of the viscous melt scraped and dynamic mixture pipeline 3 mixes, and push ahead the 3rd semicircle helical duct 8 in static batch mixing pipeline 2 and mix in the 4th semicircle helical duct 9, enter back into after mixing and in dynamic mixture pipeline 3, repeat above-mentioned batch mixing process, after some groups of batch mixing unit, uniform polylactic acid melt enters spinning pump。
Owing to logical 6 roads of the first semicircle helical duct 5 and the second semicircle spiral are longer and arrange for the hand of spiral all in the axial direction, thus can when pressurized melt be passed through, driving dynamic screw dividing plate 4 rotates；The top form with the press-fit of cone tank top of rotary material of dynamic screw dividing plate 4, is not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improving the efficiency of dynamic screw dividing plate 4 scraper。The length of static batch mixing pipeline 2, less than the length of dynamic mixture pipeline 3, so can make most of length of the pipeline of whole conveying polylactic acid all can be wiped off by king-sized for the viscosity adhered on tube wall polylactic acid, fully improves the uniformity of mixing。
Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model。
Claims (3)
1. polylactic acid melt direct fabrics melt pipe sound integral type mixing device, it is characterized in that: include fixed-piping and batch mixing unit, batch mixing unit includes static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline and static batch mixing pipeline, dynamic screw dividing plate it is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance by dynamic screw dividing plate；Being provided with static ribbon dividing plate in static batch mixing pipeline, static state batch mixing pipeline axially inside direction is separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static ribbon dividing plate, and static ribbon dividing plate is fixing with static batch mixing inner-walls of duct to be connected；
The plane at the place, both ends of dynamic screw dividing plate and static ribbon dividing plate is each perpendicular to the central axis of dynamic mixture pipeline, center, dynamic screw dividing plate right part is provided with dynamic cone tank, center, dynamic screw dividing plate left part is provided with dynamically top, center, static ribbon dividing plate right part is provided with static cone tank, center, static ribbon dividing plate left part is provided with static top, and dynamic top left end withstands in static cone tank；
Fixed-piping left end and dynamic mixture pipeline right-hand member Flange joint, be provided with support in fixed-piping, support is provided with stationary center, and stationary center left end withstands in dynamic cone tank。
2. polylactic acid melt direct fabrics melt pipe sound integral type mixing device according to claim 1, it is characterized in that: the quantity of described batch mixing unit is be more than or equal to two groups, Flange joint between two adjacent groups batch mixing unit, the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of adjacent one group batch mixing unit, and fixed-piping is connected with one group of batch mixing unit of low order end。
3. polylactic acid melt direct fabrics melt pipe sound integral type mixing device according to claim 1 and 2, it is characterised in that: the length of static batch mixing pipeline is less than the length of dynamic mixture pipeline。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620091725.0U CN205329215U (en) | 2016-01-30 | 2016-01-30 | Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620091725.0U CN205329215U (en) | 2016-01-30 | 2016-01-30 | Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device |
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| Publication Number | Publication Date |
|---|---|
| CN205329215U true CN205329215U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620091725.0U Active CN205329215U (en) | 2016-01-30 | 2016-01-30 | Polylactic acid melt direct spinning fuse -element pipeline sound integral type compounding device |
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|---|---|
| CN (1) | CN205329215U (en) |
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2016
- 2016-01-30 CN CN201620091725.0U patent/CN205329215U/en active Active
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