CN204224752U - The mixed allocation structure of PLA Masterbatch filament spinning component - Google Patents
The mixed allocation structure of PLA Masterbatch filament spinning component Download PDFInfo
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- CN204224752U CN204224752U CN201420636626.7U CN201420636626U CN204224752U CN 204224752 U CN204224752 U CN 204224752U CN 201420636626 U CN201420636626 U CN 201420636626U CN 204224752 U CN204224752 U CN 204224752U
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Abstract
The mixed allocation structure of PLA Masterbatch filament spinning component, comprise all uncovered cylinder in top and bottom, cylinder inside is provided with water conservancy diversion gland and mixed allocation plate from top to bottom successively, polylactic acid melt injection channel penetrating up and down and Masterbatch melt injection channel is provided with in water conservancy diversion gland, 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, and lower end, Masterbatch melt injection channel is connected with Masterbatch melt distributing trough.The utility model is reasonable in design, novel structure, spinning efficiency are high, guarantees that PLA and Masterbatch distribute and mixes, improve melt quality, facilitate spinning and produce, can achieve small lot batch manufacture PLA look silk, solve a difficult problem for small lot batch manufacture look silk.
Description
Technical field
The utility model belongs to chemical fibre spinning technical field, is specifically related to a kind of mixed allocation structure of PLA Masterbatch filament spinning component.
Background technology
Chemical fibre spinning comprises the preparation of spinning melt or solution, fibre forming and winding and last handling process.Last handling process then has the stretching of as-spun fibre, heat setting to series of processes such as finished product packings.
Existing spinning process has melt spinning and solution-polymerized SBR two class.Usually the fibre-forming polymer not occurring in the molten state significantly to decompose adopts melt spinning, such as polyester fiber, polyamide fiber etc.Melt spinning process is simple, and spinning speed is high.The fibre-forming polymer that solution spinning will decompose when being applicable to melting, dissolves the spinning solution of obtained thickness in a solvent, then carries out spinning by fibre-forming polymer.By the solidification mode of the spinning solution thread extruded from capillary spinneret orifice, solution-polymerized SBR is divided into again wet spinning and dry spinning two kinds.It is lower that solution-polymerized SBR spins speed, especially wet spinning.For improving spinning capability, the spinning head that hole count is a lot of need be adopted.Spinning of dry spinning is fast higher than wet spinning, but far below melt spinning.
Existing PLA Masterbatch spining technology has used for reference chemical fibre Masterbatch spining technology; Masterbatch section is adopted quantitatively to send into screw extruder slices synthesis method pipeline by Masterbatch machine; be about to the Masterbatch that quantitatively exports and fall into solid slice to the motion of screw rod direction by Masterbatch deadweight, 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.
Utility model content
The utility model, in order to solve weak point of the prior art, provides a kind of and mixes, the mixed allocation structure of PLA Masterbatch filament spinning component that production efficiency is high.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the mixed allocation structure of PLA Masterbatch filament spinning component, comprise all uncovered cylinder in top and bottom, cylinder inside is provided with water conservancy diversion gland and mixed allocation plate from top to bottom successively, polylactic acid melt injection channel penetrating up and down and Masterbatch melt injection channel is provided with in water conservancy diversion gland, 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 and is all connected with Masterbatch melt distributing trough, and each Masterbatch melt distributes passage lower end difference correspondence and is connected with a mixed allocation passage middle and lower part;
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 is equal with upper face of cylinder external diameter, the lower end external diameter of middle taper seat is equal with lower face of cylinder external diameter, is provided with sealing ring in clamping nut lower end between taper seat; 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.
Adopt technique scheme, PLA Masterbatch filament spinning component also comprises the deflector, sand cup gland, sand loading cup, screen pack and the spinnerets that are located in cylinder and are also located at successively below mixed allocation plate.
A circle upper surface guiding gutter is shown along deflector center of circle circle outside deflector upper surface, deflector circumferential outer surface shows 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 outside deflector lower surface, upper surface guiding gutter, vertical guiding gutter and lower surface guiding gutter are all equal with mixed allocation number of channels, inside each upper surface guiding gutter, correspondence is connected with a mixed allocation passage lower end respectively, 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 be connected with pod apertures, conical bore is up-small and down-big shape.
Sand loading cup open top, conical bore lower end diameter is equal with sand loading cup internal diameter, sand loading cup inside was filled with filter sand, sand loading cup bottom even is provided with several through hole, screen pack is located between sand loading cup bottom surface and spinnerets upper surface, spinnerets inside is provided with several spray silk passage and capillary spinneret orifice, 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 channel internal diameter.
Described cylinder lower end inside is provided with the spacing ring with the outward flange top press-fit of spinnerets lower end
The specific works process of PLA Masterbatch filament spinning component is as follows: polylactic acid melt and Masterbatch melt overlap screw extruder by two and carry, and be injected in polylactic acid melt injection channel and Masterbatch melt injection channel respectively after being measured 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 tilted to inner underside that polylactic acid melt is connected by polylactic acid melt distributing trough are carried downwards, the Masterbatch melt distribution passage that simultaneously Masterbatch melt tens of being connected by Masterbatch melt distributing trough are downward-sloping enters in mixed allocation passage, successively by upper surface guiding gutter after polylactic acid melt and Masterbatch melt mix in mixed allocation passage, vertical guiding gutter and lower surface guiding gutter, finally import in sand loading cup along diversion column surface by pod apertures, blend melt is under High Pressure, passed through Homogeneous phase mixing again and the filtration of filter sand, by the blend melt through hole again through screen pack, screen pack filters blend melt further and mixes, the blend melt mixed enters into spray silk passage, spray finally by capillary spinneret orifice, look silk is become after cooling.
Mixed allocation plate is arranged polylactic acid melt distributing trough and the Masterbatch melt distributing trough of annular, and the connection of passage and mixed allocation passage is distributed by Masterbatch melt, polylactic acid melt and Masterbatch melt are tentatively closed, the upper surface guiding gutter that deflector is arranged, vertical guiding gutter and lower surface guiding gutter, the tortuous flow direction fully extends mixing length, in blend melt transport flow process, improve mixed effect further.The conical bore of diversion column and sand cup gland lower surface can make blend melt be arranged in filter sand surface equably, so more contributes to filtering and mixing.
Because PLA Masterbatch filament spinning component must good airproof performance, in water conservancy diversion gland external peripheral surface, taper seat place 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, sealing effectiveness is good especially, by turn clamp nut, and adjustable sealing effect.
PLA Masterbatch spin pack design is reasonable, novel structure, spinning efficiency are high, guarantee that PLA and Masterbatch distribute to mix, improve melt quality, facilitate spinning and produce, small lot batch manufacture PLA look silk can be achieved, solve a difficult problem for small lot batch manufacture look silk.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
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, comprise all uncovered cylinder 1 in 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 spinnerets 8, polylactic acid melt injection channel 9 penetrating up and down and Masterbatch melt injection channel 10 is provided with in water conservancy diversion gland 2, mixed allocation plate 3 upper surface offers polylactic acid melt distributing trough 11 and the Masterbatch melt distributing trough 12 of annular, lower end, polylactic acid melt injection channel 9 is connected with polylactic acid melt distributing trough 11, lower end, Masterbatch melt injection channel 10 is connected with Masterbatch melt distributing trough 12.
Mixed allocation plate 3 circumferential direction inside direction evenly offers 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 end and is all connected with Masterbatch melt distributing trough 12, and each Masterbatch melt distributes passage 14 lower end difference correspondence and is connected with mixed allocation passage 13 middle and lower part;
A circle upper surface guiding gutter 15 is shown along deflector 4 center of circle circle outside deflector 4 upper surface, deflector 4 circumferential outer surface shows the vertical guiding gutter 16 of a circle along deflector 4 center of circle circle, a circle lower surface guiding gutter 17 is shown along deflector 4 center of circle circle outside deflector 4 lower surface, upper surface guiding gutter 15, vertical guiding gutter 16 and lower surface guiding gutter 17 are all equal with mixed allocation passage 13 quantity, inside each upper surface guiding gutter 15, correspondence is connected with mixed allocation passage 13 lower end respectively, each upper surface guiding gutter 15 outer end is corresponding to be respectively connected with vertical guiding gutter 16 upper end, each vertical guiding gutter 16 lower end is corresponding to be respectively connected with lower surface guiding gutter 17 outer end, sand cup gland 5 center is provided with pod apertures 18, deflector 4 lower surface center is 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 surface is provided with the conical bore 20 be connected with pod apertures 18, conical bore 20 is in up-small and down-big shape,
Sand loading cup 6 open top, conical bore 20 lower end diameter is equal with sand loading cup 6 internal diameter, sand loading cup 6 inside was filled with filter sand 21, sand loading cup 6 bottom even is provided with several through hole 22, screen pack 7 is located between sand loading cup 6 bottom surface and spinnerets 8 upper surface, spinnerets 8 inside is provided with several spray silk passage 23 and capillary spinneret orifice 24, and each spray silk passage 23 lower end is all connected with a capillary spinneret orifice 24, and capillary spinneret orifice 24 internal diameter is less than spray silk passage 23 internal diameter.
Cylinder 1 upper end inner thread is connected with clamping nut 25, water conservancy diversion gland 2 sidepiece comprises 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 is equal with upper face of cylinder external diameter, the lower end external diameter of middle taper seat is equal with lower face of cylinder external diameter, is provided with sealing ring 26 in clamping nut 25 lower end between taper seat; Water conservancy diversion gland 2 upper surface is respectively equipped with soft metal joint for sealing connecting 27 in polylactic acid melt injection channel 9 and upper end, Masterbatch melt injection channel 10.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 lower end inside is provided with the spacing ring with the outward flange top press-fit of spinnerets 8 lower end, and spacing ring and cylinder 1 are structure as a whole.
The specific works process of PLA Masterbatch filament spinning component is: polylactic acid melt and Masterbatch melt overlap screw extruder by two and carry, and be injected in polylactic acid melt injection channel 9 and Masterbatch melt injection channel 10 respectively after being measured 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 tilted to inner underside that polylactic acid melt is connected by polylactic acid melt distributing trough 11 are carried downwards, the Masterbatch melt distribution passage 14 that simultaneously Masterbatch melt tens of being connected by Masterbatch melt distributing trough 12 are downward-sloping enters in mixed allocation passage 13, successively by upper surface guiding gutter 15 after polylactic acid melt and Masterbatch melt mix in mixed allocation passage 13, vertical guiding gutter 16 and lower surface guiding gutter 17, finally import along diversion column 19 surface in sand loading cup 6 by pod apertures 18, blend melt is under High Pressure, passed through Homogeneous phase mixing again and the filtration of filter sand 21, by the blend melt through hole 22 again through screen pack 7, screen pack 7 filters blend melt further and mixes, the blend melt mixed enters into spray silk passage 23, spray finally by capillary spinneret orifice 24, look silk is become after cooling.
Mixed allocation plate 3 is arranged polylactic acid melt distributing trough 11 and the Masterbatch melt distributing trough 12 of annular, and distribute the connection of passage 14 with mixed allocation passage 13 by Masterbatch melt, polylactic acid melt and Masterbatch melt are tentatively closed, the upper surface guiding gutter 15 that deflector 4 is arranged, vertical guiding gutter 16 and lower surface guiding gutter 17, the tortuous flow direction fully extends mixing length, in blend melt transport flow process, improve mixed effect further.The conical bore 20 of diversion column 19 and sand cup gland 5 lower surface can make blend melt be arranged in filter sand 21 surface equably, so more contributes to filtering and mixing.
Because PLA Masterbatch filament spinning component must good airproof performance, in water conservancy diversion gland 2 external peripheral surface, taper seat place arranges sealing ring 26, in normal operation process, under the effect of water conservancy diversion gland 2 upward reaction force, sealing ring 26 is pressed into leg-of-mutton cross sectional shape, sealing effectiveness is good especially, by turn clamp nut, and adjustable sealing effect.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing 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 (2)
1. the mixed allocation structure of PLA Masterbatch filament spinning component, it is characterized in that: comprise all uncovered cylinder in top and bottom, cylinder inside is provided with water conservancy diversion gland and mixed allocation plate from top to bottom successively, polylactic acid melt injection channel penetrating up and down and Masterbatch melt injection channel is provided with in water conservancy diversion gland, 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 and is all connected with Masterbatch melt distributing trough, and each Masterbatch melt distributes passage lower end difference correspondence and is connected with a mixed allocation passage middle and lower part;
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 is equal with upper face of cylinder external diameter, the lower end external diameter of middle taper seat is equal with lower face of cylinder external diameter, is provided with sealing ring in clamping nut lower end between taper seat; 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.
2. the mixed allocation structure of PLA Masterbatch filament spinning component according to claim 1, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420636626.7U CN204224752U (en) | 2014-10-30 | 2014-10-30 | The mixed allocation structure of PLA Masterbatch filament spinning component |
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| CN201420636626.7U CN204224752U (en) | 2014-10-30 | 2014-10-30 | The mixed allocation structure of PLA Masterbatch filament spinning component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666720A (en) * | 2016-04-15 | 2016-06-15 | 河南省龙都生物科技有限公司 | Prepolymerization mixing device for polylactic acid |
| CN111321482A (en) * | 2020-02-28 | 2020-06-23 | 青岛叒米科技有限公司 | Production process and device of colored polylactic acid filament yarn |
-
2014
- 2014-10-30 CN CN201420636626.7U patent/CN204224752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666720A (en) * | 2016-04-15 | 2016-06-15 | 河南省龙都生物科技有限公司 | Prepolymerization mixing device for polylactic acid |
| CN111321482A (en) * | 2020-02-28 | 2020-06-23 | 青岛叒米科技有限公司 | Production process and device of colored polylactic acid filament yarn |
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