CN104278337B - PLA Masterbatch filament spinning component - Google Patents
PLA Masterbatch filament spinning component Download PDFInfo
- Publication number
- CN104278337B CN104278337B CN201410595387.XA CN201410595387A CN104278337B CN 104278337 B CN104278337 B CN 104278337B CN 201410595387 A CN201410595387 A CN 201410595387A CN 104278337 B CN104278337 B CN 104278337B
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- Prior art keywords
- masterbatch
- melt
- polylactic acid
- guiding gutter
- distributing trough
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
PLA Masterbatch filament spinning component, comprise all uncovered cylinders of top and bottom, cylinder inside is provided with water conservancy diversion gland from top to bottom successively, mixed allocation plate, deflector, sand cup gland, sand loading cup, screen pack and spinneret, in water conservancy diversion gland, be provided with upper and lower penetrating polylactic acid melt injection channel and Masterbatch melt injection channel, mixed allocation plate upper surface offers polylactic acid melt distributing trough and the Masterbatch melt distributing trough of annular, lower end, polylactic acid melt injection channel is connected with polylactic acid melt distributing trough, lower end, Masterbatch melt injection channel is connected with Masterbatch melt distributing trough. the present invention is reasonable in design, novel structure, spinning efficiency are high, guarantees that PLA and Masterbatch distribute to mix, and can realize small lot batch manufacture PLA look silk, has solved a difficult problem for small lot batch manufacture look silk.
Description
Technical field
The invention belongs to chemical fibre spinning technical field, be specifically related to a kind of PLA Masterbatch filament spinning component.
Background technology
Chemical fibre spinning comprises preparation, fibre forming and coiling and the last handling process of spinning melt or solution. Last handling process has the stretching of as-spun fibre, heat setting to arrive the series of processes such as finished product packing.
Existing spinning process has melt spinning and solution spinning two classes. Conventionally the fibre-forming polymer that does not occur significantly to decompose under molten condition adopts melt spinning, such as polyester fiber, Fypro etc. Melt spinning process is simple, and spinning speed is high. The fibre-forming polymer that will decompose when solution spinning is applicable to melting, is dissolved in fibre-forming polymer the spinning solution that makes thickness in solvent, then carries out spinning. By the solidification mode of the spinning solution thread of extruding from capillary spinneret orifice, solution spinning is divided into again two kinds of wet spinning and dry spinnings. It is lower that speed is spun in solution spinning, especially wet spinning. For improving spinning ability, need to adopt a lot of spinning head of hole count. Spinning of dry spinning is fast higher than wet spinning, but far below melt spinning.
Existing PLA Masterbatch spining technology has been used for reference chemical fibre Masterbatch spining technology; adopt Masterbatch section quantitatively to send into screw extruder chips transfer line road by Masterbatch machine; by Masterbatch, deadweight falls into the solid slice of screw rod direction motion the Masterbatch that is about to quantitatively output, and mixture homogeneity is not high enough. Existing Masterbatch spinning equipment is applicable to producing look silk in enormous quantities, is not suitable for small lot look silk and produces.
Summary of the invention
The present invention is in order to solve weak point of the prior art, the PLA Masterbatch filament spinning component that provide a kind of and mix, production efficiency is high.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: PLA Masterbatch filament spinning component, comprise all uncovered cylinders of top and bottom, cylinder inside is provided with water conservancy diversion gland from top to bottom successively, mixed allocation plate, deflector, sand cup gland, sand loading cup, screen pack and spinneret, in water conservancy diversion gland, be provided with upper and lower penetrating polylactic acid melt injection channel and Masterbatch melt injection channel, mixed allocation plate upper surface offers polylactic acid melt distributing trough and the Masterbatch melt distributing trough of annular, lower end, polylactic acid melt injection channel is connected with polylactic acid melt distributing trough, lower end, Masterbatch melt injection channel is connected with Masterbatch melt distributing trough,
Mixed allocation intralamellar part along the circumferential direction evenly offers several the same number of mixed allocation passages and Masterbatch melt distributes passage, the upper end of all mixed allocation passages is all communicated with polylactic acid melt distributing trough, institute's color grain melt distributes passage upper end to be all connected with Masterbatch melt distributing trough, and each Masterbatch melt distributes passage lower end difference correspondence to be connected with a mixed allocation passage middle and lower part;
A circle upper surface guiding gutter is shown along deflector center of circle circle in deflector upper surface outside, deflector circumferential outer surface is shown the vertical guiding gutter of a circle along deflector center of circle circle, a circle lower surface guiding gutter is shown along deflector center of circle circle in deflector lower surface outside, upper surface guiding gutter, vertical guiding gutter and lower surface guiding gutter all equate with mixed allocation number of channels, each upper surface guiding gutter inner side is corresponding to be respectively connected with a mixed allocation passage lower end, each upper surface guiding gutter outer end is corresponding to be respectively connected with a vertical guiding gutter upper end, each vertical guiding gutter lower end is corresponding to be respectively connected with a lower surface guiding gutter outer end, sand cup gland center is provided with pod apertures, deflector lower surface center is provided with the diversion column that diameter is less than pod apertures, diversion column vertically extend in pod apertures, sand cup gland lower surface is provided with the conical bore being connected with pod apertures, conical bore is up-small and down-big shape,
Sand loading cup open top, conical bore lower end diameter equates with sand loading cup internal diameter, sand loading cup inside was filled with filter sand, sand loading cup bottom even is provided with several and sees through hole, screen pack is located between sand loading cup bottom surface and spinneret upper surface, spinneret inside is provided with several spray silk passage and capillary spinneret orifices, and each spray silk passage lower end is all connected with a capillary spinneret orifice, and capillary spinneret orifice internal diameter is less than spray silk passage internal diameter.
Described cylinder upper end inner thread is connected with clamping nut, water conservancy diversion gland sidepiece comprises the face of cylinder, middle taper seat and the lower face of cylinder, the lower face of cylinder coordinates with cylinder inwall, the external diameter on the upper face of cylinder is less than the external diameter on the lower face of cylinder, the upper end external diameter of middle taper seat equates with upper face of cylinder external diameter, the lower end external diameter of middle taper seat equates with lower face of cylinder external diameter, in clamping nut lower end, between taper seat, is provided with sealing ring; Water conservancy diversion gland upper surface is respectively equipped with soft metal joint for sealing connecting in polylactic acid melt injection channel and upper end, Masterbatch melt injection channel.
The cross section of described Masterbatch melt canal is less than the cross section of polylactic acid melt injection channel, and the diameter of polylactic acid melt distributing trough is greater than the diameter of Masterbatch melt distributing trough.
Inner side, described cylinder lower end is provided with the spacing ring with the outward flange top interference fit of spinneret lower end.
Adopt technique scheme, polylactic acid melt and Masterbatch melt are carried by two cover screw extruders, and be injected into respectively in polylactic acid melt injection channel and Masterbatch melt injection channel after measuring respectively by two cover measuring pumps, then polylactic acid melt enters in polylactic acid melt distributing trough, Masterbatch melt enters in Masterbatch melt distributing trough, tens mixed allocation passages that tilt to inner underside that polylactic acid melt connects by polylactic acid melt distributing trough are carried downwards, tens downward-sloping Masterbatch melts that Masterbatch melt connects by Masterbatch melt distributing trough simultaneously distribute passage to enter in mixed allocation passage, polylactic acid melt and Masterbatch melt pass through upper surface guiding gutter successively after mixing in mixed allocation passage, vertical guiding gutter and lower surface guiding gutter, finally import in sand loading cup by pod apertures along diversion column surface, blend melt is under High Pressure, passed through again evenly mixing and filtering of filter sand, again pass through screen pack by the blend melt that sees through hole, screen pack further filters blend melt and mixes, the blend melt mixing enters into spray silk passage, finally spray by capillary spinneret orifice, after cooling, become look silk.
Polylactic acid melt distributing trough and the Masterbatch melt distributing trough of annular are set on mixed allocation plate, and distribute being connected of passage and mixed allocation passage by Masterbatch melt, polylactic acid melt and Masterbatch melt are tentatively closed, the upper surface guiding gutter arranging on deflector, vertical guiding gutter and lower surface guiding gutter, the tortuous flow direction has fully extended mixing length, further improves mixed effect in blend melt transport flow process. The conical bore of diversion column and sand cup gland lower surface can make blend melt be arranged in equably filter sand surface, so more contributes to filter and mix.
Because the present invention must good airproof performance, middle taper seat place at water conservancy diversion gland external peripheral surface arranges sealing ring, in normal operation process, under the effect of water conservancy diversion gland upward reaction force, sealing ring is pressed into leg-of-mutton cross sectional shape, and sealing effectiveness is good especially.
The present invention is reasonable in design, novel structure, spinning efficiency are high, guarantees that PLA and Masterbatch distribute to mix, and can realize small lot batch manufacture PLA look silk, has solved a difficult problem for small lot batch manufacture look silk.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of mixed allocation plate in Fig. 1;
Fig. 3 is the top view of deflector in Fig. 1;
Fig. 4 is the upward view of deflector in Fig. 1.
Detailed description of the invention
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, PLA Masterbatch filament spinning component of the present invention, comprise all uncovered cylinders 1 of top and bottom, cylinder 1 inside is provided with water conservancy diversion gland 2 from top to bottom successively, mixed allocation plate 3, deflector 4, sand cup gland 5, sand loading cup 6, screen pack 7 and spinneret 8, in water conservancy diversion gland 2, be provided with upper and lower penetrating polylactic acid melt injection channel 9 and Masterbatch melt injection channel 10, mixed allocation plate 3 upper surfaces offer polylactic acid melt distributing trough 11 and the Masterbatch melt distributing trough 12 of annular, 9 lower ends, polylactic acid melt injection channel are connected with polylactic acid melt distributing trough 11, 10 lower ends, Masterbatch melt injection channel are connected with Masterbatch melt distributing trough 12.
Mixed allocation plate 3 circumferential direction inside directions evenly offer several the same number of mixed allocation passages 13 and Masterbatch melt distributes passage 14, the upper end of all mixed allocation passages 13 is all communicated with polylactic acid melt distributing trough 11, institute's color grain melt distributes passage 14 upper ends to be all connected with Masterbatch melt distributing trough 12, and each Masterbatch melt distributes passage 14 lower ends difference correspondences to be connected with mixed allocation passage 13 middle and lower parts;
A circle upper surface guiding gutter 15 is shown along deflector 4 center of circle circles in deflector 4 upper surface outsides, deflector 4 circumferential outer surfaces are shown the vertical guiding gutter 16 of a circle along deflector 4 center of circle circles, a circle lower surface guiding gutter 17 is shown along deflector 4 center of circle circles in deflector 4 lower surface outsides, upper surface guiding gutter 15, vertical guiding gutter 16 and lower surface guiding gutter 17 all equate with mixed allocation passage 13 quantity, each upper surface guiding gutter 15 inner sides are corresponding to be respectively connected with mixed allocation passage 13 lower ends, each upper surface guiding gutter 15 outer ends are corresponding to be respectively connected with vertical guiding gutter 16 upper ends, each vertical guiding gutter 16 lower ends are corresponding to be respectively connected with lower surface guiding gutter 17 outer ends, sand cup gland 5 centers are provided with pod apertures 18, deflector 4 lower surface centers are provided with the diversion column 19 that diameter is less than pod apertures 18, diversion column 19 vertically extend in pod apertures 18, sand cup gland 5 lower surfaces are provided with the conical bore 20 being connected with pod apertures 18, conical bore 20 is up-small and down-big shape,
Sand loading cup 6 open tops, conical bore 20 lower end diameter equate with sand loading cup 6 internal diameters, sand loading cup 6 inside were filled with filter sand 21, sand loading cup 6 bottom evens are provided with several and see through hole 22, screen pack 7 is located between sand loading cup 6 bottom surfaces and spinneret 8 upper surfaces, spinneret 8 inside are provided with several spray silk passage 23 and capillary spinneret orifices 24, and each spray silk passage 23 lower ends are all connected with a capillary spinneret orifice 24, and capillary spinneret orifice 24 internal diameters are less than spray silk passage 23 internal diameters.
Cylinder 1 upper end inner thread is connected with clamping nut 25, water conservancy diversion gland 2 sidepieces comprise the face of cylinder, middle taper seat and the lower face of cylinder, the lower face of cylinder coordinates with cylinder 1 inwall, the external diameter on the upper face of cylinder is less than the external diameter on the lower face of cylinder, the upper end external diameter of middle taper seat equates with upper face of cylinder external diameter, the lower end external diameter of middle taper seat equates with lower face of cylinder external diameter, in clamping nut 25 lower ends, between taper seat, is provided with sealing ring 26; Water conservancy diversion gland 2 upper surfaces are respectively equipped with soft metal joint for sealing connecting 27 in polylactic acid melt injection channel 9 and 10 upper ends, Masterbatch melt injection channel. Two soft metal joint for sealing connectings 27 are for connecting the conveyance conduit of polylactic acid melt and Masterbatch melt.
Because polylactic acid melt amount ratio Masterbatch consumption is large, therefore the cross section of Masterbatch melt canal is less than the cross section of polylactic acid melt injection channel 9, and the diameter of polylactic acid melt distributing trough 11 is greater than the diameter of Masterbatch melt distributing trough 12.
Cylinder 1 inner side, lower end is provided with the spacing ring with spinneret 8 lower end outward flange top interference fits, and spacing ring and cylinder 1 are structure as a whole.
Specific works process of the present invention is: polylactic acid melt and Masterbatch melt are carried by two cover screw extruders, and be injected into respectively in polylactic acid melt injection channel 9 and Masterbatch melt injection channel 10 after measuring respectively by two cover measuring pumps, then polylactic acid melt enters in polylactic acid melt distributing trough 11, Masterbatch melt enters in Masterbatch melt distributing trough 12, tens mixed allocation passages 13 that tilt to inner underside that polylactic acid melt connects by polylactic acid melt distributing trough 11 are carried downwards, tens downward-sloping Masterbatch melts that Masterbatch melt connects by Masterbatch melt distributing trough 12 simultaneously distribute passage 14 to enter in mixed allocation passage 13, polylactic acid melt and Masterbatch melt pass through upper surface guiding gutter 15 successively after mixing in mixed allocation passage 13, vertical guiding gutter 16 and lower surface guiding gutter 17, finally import in sand loading cup 6 by pod apertures 18 along diversion column 19 surfaces, blend melt is under High Pressure, passed through again evenly mixing and filtering of filter sand 21, again pass through screen pack 7 by the blend melt that sees through hole 22, screen pack 7 further filters blend melt and mixes, the blend melt mixing enters into spray silk passage 23, finally spray by capillary spinneret orifice 24, after cooling, become look silk.
Polylactic acid melt distributing trough 11 and the Masterbatch melt distributing trough 12 of annular are set on mixed allocation plate 3, and distribute being connected of passage 14 and mixed allocation passage 13 by Masterbatch melt, polylactic acid melt and Masterbatch melt are tentatively closed, the upper surface guiding gutter 15 arranging on deflector 4, vertical guiding gutter 16 and lower surface guiding gutter 17, the tortuous flow direction has fully extended mixing length, further improves mixed effect in blend melt transport flow process. The conical bore 20 of diversion column 19 and sand cup gland 5 lower surfaces can make blend melt be arranged in equably filter sand 21 surfaces, so more contributes to filter and mix.
Because the present invention must good airproof performance, middle taper seat place at water conservancy diversion gland 2 external peripheral surfaces arranges sealing ring 26, in normal operation process, under the effect of water conservancy diversion gland 2 upward reaction forces, sealing ring 26 is pressed into leg-of-mutton cross sectional shape, and sealing effectiveness is good especially.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the present invention, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. PLA Masterbatch filament spinning component, it is characterized in that: comprise all uncovered cylinders of top and bottom, cylinder inside is provided with water conservancy diversion gland from top to bottom successively, mixed allocation plate, deflector, sand cup gland, sand loading cup, screen pack and spinneret, in water conservancy diversion gland, be provided with upper and lower penetrating polylactic acid melt injection channel and Masterbatch melt injection channel, mixed allocation plate upper surface offers polylactic acid melt distributing trough and the Masterbatch melt distributing trough of annular, lower end, polylactic acid melt injection channel is connected with polylactic acid melt distributing trough, lower end, Masterbatch melt injection channel is connected with Masterbatch melt distributing trough,
Mixed allocation intralamellar part along the circumferential direction evenly offers several the same number of mixed allocation passages and Masterbatch melt distributes passage, the upper end of all mixed allocation passages is all communicated with polylactic acid melt distributing trough, institute's color grain melt distributes passage upper end to be all connected with Masterbatch melt distributing trough, and each Masterbatch melt distributes passage lower end difference correspondence to be connected with a mixed allocation passage middle and lower part;
A circle upper surface guiding gutter is shown along deflector center of circle circle in deflector upper surface outside, deflector circumferential outer surface is shown the vertical guiding gutter of a circle along deflector center of circle circle, a circle lower surface guiding gutter is shown along deflector center of circle circle in deflector lower surface outside, upper surface guiding gutter, vertical guiding gutter and lower surface guiding gutter all equate with mixed allocation number of channels, each upper surface guiding gutter inner side is corresponding to be respectively connected with a mixed allocation passage lower end, each upper surface guiding gutter outer end is corresponding to be respectively connected with a vertical guiding gutter upper end, each vertical guiding gutter lower end is corresponding to be respectively connected with a lower surface guiding gutter outer end, sand cup gland center is provided with pod apertures, deflector lower surface center is provided with the diversion column that diameter is less than pod apertures, diversion column vertically extend in pod apertures, sand cup gland lower surface is provided with the conical bore being connected with pod apertures, conical bore is up-small and down-big shape,
Sand loading cup open top, conical bore lower end diameter equates with sand loading cup internal diameter, sand loading cup inside was filled with filter sand, sand loading cup bottom even is provided with several and sees through hole, screen pack is located between sand loading cup bottom surface and spinneret upper surface, spinneret inside is provided with several spray silk passage and capillary spinneret orifices, and each spray silk passage lower end is all connected with a capillary spinneret orifice, and capillary spinneret orifice internal diameter is less than spray silk passage internal diameter.
2. PLA Masterbatch filament spinning component according to claim 1, it is characterized in that: described cylinder upper end inner thread is connected with clamping nut, water conservancy diversion gland sidepiece comprises the face of cylinder, middle taper seat and the lower face of cylinder, the lower face of cylinder coordinates with cylinder inwall, the external diameter on the upper face of cylinder is less than the external diameter on the lower face of cylinder, the upper end external diameter of middle taper seat equates with upper face of cylinder external diameter, the lower end external diameter of middle taper seat equates with lower face of cylinder external diameter, between clamping nut lower end and middle taper seat, is provided with sealing ring; Water conservancy diversion gland upper surface is respectively equipped with soft metal joint for sealing connecting in polylactic acid melt injection channel and upper end, Masterbatch melt injection channel.
3. PLA Masterbatch filament spinning component according to claim 1 and 2, it is characterized in that: the cross section of described Masterbatch melt canal is less than the cross section of polylactic acid melt injection channel, and the diameter of polylactic acid melt distributing trough is greater than the diameter of Masterbatch melt distributing trough.
4. PLA Masterbatch filament spinning component according to claim 1 and 2, is characterized in that: inner side, described cylinder lower end is provided with the spacing ring with the outward flange top interference fit of spinneret lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595387.XA CN104278337B (en) | 2014-10-30 | 2014-10-30 | PLA Masterbatch filament spinning component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595387.XA CN104278337B (en) | 2014-10-30 | 2014-10-30 | PLA Masterbatch filament spinning component |
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| Publication Number | Publication Date |
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| CN104278337A CN104278337A (en) | 2015-01-14 |
| CN104278337B true CN104278337B (en) | 2016-05-18 |
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| CN201410595387.XA Active CN104278337B (en) | 2014-10-30 | 2014-10-30 | PLA Masterbatch filament spinning component |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562245B (en) * | 2015-01-28 | 2017-02-22 | 河南省龙都生物科技有限公司 | Polylactic acid double-component composite fiber double-spray-orifice parallel type spinning component |
| CN105603550B (en) * | 2016-01-30 | 2017-11-10 | 河南省龙都生物科技有限公司 | Bamboo charcoal PLA blend melt direct fabrics system |
| CN108954560B (en) * | 2018-05-04 | 2024-09-27 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit and air conditioner |
| CN108517570A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of point fine female yarn spinning component that melt actively distributes |
| CN110791818A (en) * | 2019-12-04 | 2020-02-14 | 中国纺织科学研究院有限公司 | Melt spinning assembly with controllable residence time |
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| WO1999051798A1 (en) * | 1998-04-07 | 1999-10-14 | Toray Industries, Inc. | Melt spinning spinning pack and synthetic fiber manufaacturing method |
| DE19932852A1 (en) * | 1999-07-14 | 2001-01-18 | Geb Schroeder Beeck | Sand-free self sealing spinning nozzle for spinning thermoplastic filaments has internal components which expand more than the outer parts when heated to process temperature |
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| CN104278337A (en) | 2015-01-14 |
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