CN112095165A - Double-component melt-blown spinneret plate for producing skin-core structure spinning - Google Patents
Double-component melt-blown spinneret plate for producing skin-core structure spinning Download PDFInfo
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- CN112095165A CN112095165A CN202011232500.XA CN202011232500A CN112095165A CN 112095165 A CN112095165 A CN 112095165A CN 202011232500 A CN202011232500 A CN 202011232500A CN 112095165 A CN112095165 A CN 112095165A
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- Prior art keywords
- plate
- component
- spinneret
- holes
- hole
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- 238000009987 spinning Methods 0.000 title claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 8
- 239000004615 ingredient Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 17
- 239000004744 fabric Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- 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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention provides a double-component melt-blown spinneret plate for producing sheath-core structure spinning, which comprises an upper feeding plate, wherein the surface of the upper feeding plate is uniformly provided with a plurality of groups of feeding holes, the plurality of feeding holes comprise an A component port and a B component port, a lower feeding plate is arranged below the upper feeding plate, a plurality of A component diversion holes are formed in the position, located at the A component port, of the lower feeding plate, a plurality of B component diversion holes are formed in the position, located at the A component port, of the lower feeding plate, an upper distribution plate and a lower distribution plate are sequentially arranged below the lower feeding plate, the plurality of groups of A component diversion holes and the B component diversion holes are crossed and reversed to pass through the upper distribution plate and the lower distribution plate, an upper spinneret plate is arranged below the lower distribution plate, a plurality of converging holes are formed in the upper spinneret plate in a penetrating manner, a plurality of extrusion holes are; the invention improves the structure of the spinneret plate component to realize the production of skin-core structure spinning, so that the spinning is more durable and the application range is wider.
Description
Technical Field
The invention belongs to the technical field of textile equipment, particularly relates to melt-blown spinning equipment, and particularly relates to a bicomponent melt-blown spinneret plate for producing spinning with a skin-core structure.
Background
The spinneret plate is also called as a spinning cap. The spinneret plate is used for converting a viscous-flow-state polymer melt or solution into a thin flow with a specific cross section through micropores, and solidifying the thin flow through a solidification medium such as air or a solidification bath to form filaments.
The main raw material of the melt-blown fabric is polypropylene (PP), and the melt-blown fabric is superfine electrostatic fiber fabric with the fiber diameter of about 2 microns. The network is also called medical mask melt-blown cloth, melt-blown non-woven cloth and mask cloth. The melt-blown fabric is one of non-woven fabrics, and the non-woven fabrics have a plurality of processing technologies, and the melt-blown method is the most common processing technology in the plurality of technologies. The melt blowing method is a spinning method in which a melt of a polymer just extruded is rapidly subjected to high-speed stretching, solidification and molding by means of a high-speed hot gas stream.
In the prior art, the melt-blown spinning is produced by extruding filaments through a spinneret plate assembly, and the conventionally used melt-blown spinning has poor physical strength and cannot better meet the requirements of stretching, positioning, coloring and the like of finished products in the modern process; sheath-core structure spinning in the fiber-forming process, the concurrent structure in which the sheath and the core of the fiber often show significant structural differences due to the influence of conditions is called a sheath-core structure. The surface layer is generally compact in texture, has strong directionality after being stretched, and contributes greatly to strength and hand feeling; the core texture is loose and disordered, and often has great contribution to dyeing performance, and the matching of the two structures has great effect on the comprehensive performance of the fiber.
The spinneret plates in the prior art do not meet the requirement of producing skin-core structure spinning, so that a melt-blown assembly capable of producing skin-core structure spinning is needed.
Disclosure of Invention
In view of the problems of the background art, the present invention provides the following technical solutions:
a double-component melt-blown spinneret plate for producing spinning with a skin-core structure comprises an upper feeding plate, wherein a plurality of groups of feeding holes are uniformly formed in the surface of the upper feeding plate, the plurality of feeding holes comprise an A component port and a B component port, a lower feeding plate is arranged below the upper feeding plate, a plurality of A component diversion holes are formed in the A component port on the lower feeding plate, a plurality of B component diversion holes are formed in the A component port on the lower feeding plate, the A component diversion holes and the B component diversion holes penetrate through the lower feeding plate, an upper distributing plate and a lower distributing plate are sequentially arranged below the lower feeding plate, the A component diversion holes and the B component diversion holes are alternately reversed to penetrate through the upper distributing plate and the lower distributing plate, a wrapping structure including the A component diversion holes and two B component diversion holes is formed on the lower surface of the lower distributing plate, and an upper spinneret plate is arranged below the lower, the spinning device is characterized in that a plurality of converging holes are formed in the upper spinneret plate in a penetrating mode, a lower spinneret plate is installed below the upper spinneret plate, a plurality of extruding holes are formed in the surface of the lower spinneret plate in a penetrating mode, the extruding holes are communicated with the converging holes, and the lower spinneret plate extrudes skin-core structure spinning through the extruding holes.
Preferably, the lower distribution plate is provided with a flow guide nozzle at each of the positions of the flow guide holes of the component a, the flow guide holes of the component a downwardly penetrate through the flow guide nozzles, the flow guide nozzles are all arranged in the merging holes, a merging cavity is formed between the merging holes and the flow guide nozzles, and the flow guide holes of the component B lead to the merging cavity.
Preferably, the lower ends of the flow guide nozzles extend to the lower spinneret plate and are positioned at the orifice of the extrusion hole, and the component B flow guide hole and the component A flow guide hole are converged to the orifice of the extrusion hole.
Preferably, the lower ends of the flow guide nozzles are of conical structures.
Preferably, the lower section of the extrusion hole is a tapered hole, and the small end of the extrusion hole extends downwards to the lower surface of the lower spinneret plate.
Preferably, a filter screen is further installed between the lower feeding plate and the upper distribution plate.
Preferably, the upper feeding plate, the lower feeding plate, the upper distributing plate, the lower distributing plate, the upper spinneret plate and the lower spinneret plate are fastened into an integral structural plate through bolts.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the two component raw materials are respectively injected through the upper feeding plate and the lower feeding plate, and are subjected to cross reversing diversion and shunt through the upper distributing plate and the lower distributing plate, so that the two component raw materials are in a wrapping structure with the component A raw material at the center and the component B raw material at the outer side below the lower distributing plate, and finally, the two component raw materials are extruded through the upper spinneret plate and the lower spinneret plate to form skin-core structure spinning, the whole spinneret plate component is fast in material injection and shunt and not easy to mix, and the spinning quality and the production efficiency are ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of an embodiment of the present invention;
the embodiment of the invention mainly comprises the following component symbols:
the device comprises an upper feeding plate-1, a component A port-101, a component B port-102, a lower feeding plate-2, a component A diversion hole-201, a component B diversion hole-202, a filter screen-3, an upper distribution plate-4, a lower distribution plate-5, a diversion nozzle-6, an upper spinneret plate-7, a converging hole-701, a lower spinneret plate-8 and an extrusion hole-801.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Example 1
As shown in fig. 1 and 2, a bicomponent melt-blown spinneret plate for producing a sheath-core structure spinning comprises an upper feeding plate 1, wherein a plurality of groups of feeding holes are uniformly formed in the surface of the upper feeding plate 1, the plurality of feeding holes comprise an a component port 101 and a B component port 102, a lower feeding plate 2 is arranged below the upper feeding plate 1, a plurality of a component guide holes 201 are formed in the position of the a component port 101 on the lower feeding plate 2, a plurality of B component guide holes 202 are formed in the position of the a component port 101 on the lower feeding plate 2, the a component guide holes 201 and the B component guide holes 202 penetrate through the lower feeding plate 2, an upper distributing plate 4 and a lower distributing plate 5 are sequentially arranged below the lower feeding plate 2, the a plurality of groups of the a component guide holes 201 and the B component guide holes 202 are crossed and reversed to penetrate through the upper distributing plate 4 and the lower distributing plate 5, and the a component guide holes 201 are formed in the, The two component B guide holes 202 are of a wrapping structure on the outer side, an upper spinneret plate 7 is installed below the lower distribution plate 5, a plurality of convergence holes 701 penetrate through the upper spinneret plate 7, a lower spinneret plate 8 is installed below the upper spinneret plate 7, a plurality of extrusion holes 801 penetrate through the surface of the lower spinneret plate 8, the extrusion holes 801 are communicated with the convergence holes 701, and the lower spinneret plate 8 extrudes a sheath-core structure through the extrusion holes 801 to spin.
The invention injects the raw materials of two components through the upper feeding plate 1 and the lower feeding plate 2 respectively, and the cross reversing diversion and the shunt of the two components through the upper distributing plate 4 and the lower distributing plate 5 enable the two components of the raw materials to realize the wrapping structure of the raw material of the component A at the center and the raw material of the component B at the outer side below the lower distributing plate 5, and finally realize the extrusion of the raw materials of the two components through the upper spinneret plate 7 and the lower spinneret plate 8 to form the spinning of a skin-core structure.
As shown in fig. 3, the lower distribution plate 5 is provided with a diversion nozzle 6 at each a-component diversion hole 201, the a-component diversion hole 201 penetrates the diversion nozzle 6 downwards, the diversion nozzles 6 are all arranged in the merging hole 701, a merging cavity is formed between the merging hole 701 and the diversion nozzle 6, and the B-component diversion hole 202 leads to the merging cavity.
The flow guide nozzle 6 divides the two component raw materials, so that the two component raw materials can realize the wrapping states of the A component raw material and the B component raw material on two sides, and the mixing of the two component raw materials is avoided.
The lower ends of the flow guide nozzles 6 extend to the lower spinneret plate 8 and are positioned at the orifice of the extrusion hole 801, and the component B flow guide holes 202 and the component A flow guide holes 201 are converged to the orifice of the extrusion hole 801.
The lower ends of the plurality of flow guide nozzles 6 are of conical structures; the lower section of the extrusion hole 801 is a tapered hole, and the small end extends downwards to the lower surface of the lower spinneret plate 8.
A filter screen 3 is further arranged between the lower feeding plate 2 and the upper distributing plate 4, and the flow buffering effect is achieved while the two component raw materials are filtered.
Go up flitch 1, lower feeding plate 2, go up the break plate 4, lower break plate 5, go up spinneret 7 and lower spinneret 8 and fasten into an organic whole structural slab through the bolt, guarantee the compactness and the stability of spinneret plate subassembly structure, avoid because of the flow pressure reduction that the clearance caused, the problem of unable crowded silk.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a production skin core structure spinning is with two ingredient melt-blown spinneret which characterized in that: including last flitch (1), it has a plurality of feed inlets of group to go up flitch (1) surface and evenly open, and a plurality of feed inlets include A component mouth (101) and B component mouth (102), feed plate (2) are installed down to going up flitch (1) below, it has a plurality of A component water conservancy diversion holes (201) to lie in A component mouth (101) department on feed plate (2) down, it has a plurality of B component water conservancy diversion holes (202) to lie in A component mouth (101) department on feed plate (2) down, A component water conservancy diversion hole (201) and B component water conservancy diversion hole (202) run through lower feed plate (2), last distributor plate (4) and lower distributor plate (5) are installed in proper order to lower feed plate (2) below, a plurality of groups A component water conservancy diversion hole (201) and B component water conservancy diversion hole (202) cross the switching-over pass upper distributor plate (4) and lower distributor plate (5), form including A component water conservancy diversion hole (201) under lower surface of lower distributor plate (, Two B component water conservancy diversion holes (202) are in the wrapping structure of outside, last spinneret (7) are installed to lower distributor plate (5) below, it has a plurality of holes (701) of converging to run through on last spinneret (7), spinneret (8) are installed down to last spinneret (7) below, it has a plurality of extrusion holes (801) to run through on lower spinneret (8) surface, and a plurality of extrusion holes (801) communicate with each other with the hole (701) of converging, spinneret (8) extrude the skin-core structure spinning through extrusion holes (801) down.
2. The two component melt blown spinneret of claim 1, wherein: the lower distribution plate (5) is located at each A-component flow guide hole (201) and is provided with a flow guide nozzle (6), the A-component flow guide holes (201) penetrate through the flow guide nozzles (6) downwards, the flow guide nozzles (6) are arranged in a converging hole (701), a converging cavity is formed between the converging hole (701) and the flow guide nozzles (6), and the B-component flow guide holes (202) are communicated with the converging cavity.
3. The two component melt blown spinneret of claim 2, wherein: the lower ends of the flow guide nozzles (6) extend to the lower spinneret plate (8) and are positioned at the orifice of the extrusion hole (801), and the component B flow guide hole (202) and the component A flow guide hole (201) are converged to the orifice of the extrusion hole (801).
4. The bicomponent melt blowing spinneret plate of claim 3, wherein: the lower ends of the plurality of flow guide nozzles (6) are of conical structures.
5. The bicomponent melt blowing spinneret plate of claim 4, wherein: the lower section of the extrusion hole (801) is provided with a tapered hole, and the small end of the extrusion hole extends downwards to the lower surface of the lower spinneret plate (8).
6. The bicomponent melt blowing spinneret plate of claim 5, wherein: and a filter screen (3) is also arranged between the lower feeding plate (2) and the upper distributing plate (4).
7. The two component melt blown spinneret of claim 6, wherein: the feeding device is characterized in that the upper feeding plate (1), the lower feeding plate (2), the upper distribution plate (4), the lower distribution plate (5), the upper spinneret plate (7) and the lower spinneret plate (8) are fastened into an integral structural plate through bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011232500.XA CN112095165A (en) | 2020-11-06 | 2020-11-06 | Double-component melt-blown spinneret plate for producing skin-core structure spinning |
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CN202011232500.XA CN112095165A (en) | 2020-11-06 | 2020-11-06 | Double-component melt-blown spinneret plate for producing skin-core structure spinning |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235178A (en) * | 2021-06-03 | 2021-08-10 | 四川亿耐特新材料有限公司 | Bi-component spinneret plate |
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- 2020-11-06 CN CN202011232500.XA patent/CN112095165A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235178A (en) * | 2021-06-03 | 2021-08-10 | 四川亿耐特新材料有限公司 | Bi-component spinneret plate |
CN113235178B (en) * | 2021-06-03 | 2022-08-02 | 四川亿耐特新材料有限公司 | Bi-component spinneret assembly |
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