CN111850707B - Melt-blown cloth die head spinneret plate structure with double rows of nozzles - Google Patents
Melt-blown cloth die head spinneret plate structure with double rows of nozzles Download PDFInfo
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- CN111850707B CN111850707B CN202010763974.0A CN202010763974A CN111850707B CN 111850707 B CN111850707 B CN 111850707B CN 202010763974 A CN202010763974 A CN 202010763974A CN 111850707 B CN111850707 B CN 111850707B
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- plate
- holes
- strip
- feeding
- air inlet
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- 239000004744 fabric Substances 0.000 title description 9
- 239000000463 material Substances 0.000 claims description 41
- 238000009987 spinning Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- 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
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a double-row nozzle melt-blown spinneret plate structure, which comprises a splitter plate, a feeding plate and a cover plate, wherein the feeding plate is a strip plate body, two parallel triangular raised strips are arranged on the front side surface of the feeding plate, a strip plane is cut at the top point of each triangular raised strip along the length direction, a row of spinneret orifices which are formed by a plurality of spinneret orifices which are arranged in a straight line along the length direction and penetrate through the feeding plate are arranged on the strip plane, and the diameters of the spinneret orifices are larger than the width of the strip plane, so that gaps are reserved on the two side walls of the triangular raised strips of the spinneret orifices; the invention also improves the structures of the flow channels and the air channels in the spinneret plate, adopts the structures of four groups of air channels and double flow channels, and the air outlet grooves of the four groups of air channels are distributed on the upper side and the lower side of the two rows of spinneret nozzles.
Description
Technical Field
The invention relates to a spinneret plate structure, in particular to a double-row nozzle melt-blown jet die head spinneret plate structure.
Background
Because the melt-blown cloth has higher hydrostatic pressure resistance, good air permeability and filtering effect, particularly a material compounded with a film, has good barrier property, can achieve more than 99 percent of filtering efficiency on non-oily particles, is sprayed out of a superfine fiber adhesive transmission belt through a spinning die head when the melt-blown cloth is produced, and can be formed into the melt-blown cloth by increasing the number of fibers in unit area, wherein the fiber diameter can achieve 0.5-10 microns, and the melt-blown cloth has multiple gaps, fluffy structure and good crease resistance, and can be used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, thermal materials, oil absorption materials, wiping cloths and the like; the quality of the melt-blown cloth is important, the spinneret plate in the spinneret die is a core component, the spinneret die is a single-row nozzle, the melt-blown cloth produced by the single-row nozzle is contradictory between air permeability and thickness, if the thickness is required to be thicker, more fiber filaments are required to be attached in unit time, so that the pores are reduced, and the air permeability effect in the interior is reduced; therefore, at present, two groups of spinning dies are generally arranged side by side up and down, and because the dies have a certain height and a certain interval is reserved between two groups of die nozzles, the adhesion of the fiber yarns sprayed out of the two groups of dies has a time difference of a few seconds, and the fiber yarns adhered to the two groups of dies are easy to delaminate due to rapid cooling of the fiber yarns, so that the quality of a product is affected.
Disclosure of Invention
The invention aims to provide a double-row nozzle melt-blowing spinneret plate structure, which improves the structures of flow passages and air passages in the spinneret plate, adopts a four-group air passage and double-flow passage structure, and four groups of air passage air outlet grooves are distributed on the upper side and the lower side of two rows of spinneret nozzles.
The following technical scheme is adopted for realizing the purposes:
A dual row nozzle meltblowing die head spinneret plate structure, characterized in that: the feeding plate is a strip plate body, two parallel triangular raised strips are arranged on the front side surface of the feeding plate, a strip plane is cut at the top point of each triangular raised strip along the length direction, a row of spinneret orifices which are arranged in a straight line along the length direction and penetrate through the feeding plate are formed in the strip plane, the diameter of each spinneret orifice is larger than the width of the strip plane, and gaps are reserved on two side walls of each triangular raised strip of the spinneret orifice;
The front side of the feeding plate is divided into three areas by two parallel triangular convex strips, four rows of air inlet through holes which are arranged in a straight line are also formed in the two sides of the triangular convex strips along the length direction of the feeding plate, two middle rows of inner air inlet through holes are positioned between the two triangular convex strips, two outer rows of outer air inlet through holes are positioned in the two sides of the two triangular convex strips, the inner air inlet through holes and the outer air inlet through holes penetrate through the feeding plate, a cover plate is also fixed in the three areas, an air groove is formed in the inner side of the cover plate at the position corresponding to the inner air inlet through holes or the outer air inlet through holes along the length direction of the feeding plate, an air guide gap is reserved between the side wall of the cover plate and the side wall of the triangular convex strips, a spinning gap is reserved between the adjacent cover plates, the spinning gap corresponds to the top points of the triangular convex strips, and the air inlet through holes, the air guide gap and the spinning gap are mutually communicated to form an air passage;
The back side of the feeding plate is provided with a groove along the length direction of the feeding plate, a splitter plate is arranged in the groove, a material cavity is formed between the inner side of the splitter plate and the groove, a plurality of air inlets and feeding holes are formed in the splitter plate, the feeding holes are communicated with the material cavity, each air inlet is provided with two air outlet ports on the inner side of the splitter plate, the air outlet ports are located on the outer side of the material cavity, the inner air outlet ports are located in the material cavity, the outer air outlet ports are directly in one-to-one correspondence with the outer air inlet through holes, connecting nozzles are arranged at the inner air outlet ports, the end parts of the connecting nozzles are abutted against the inner wall of the material cavity to isolate the air inlets from the material cavity, the inner air outlet ports are in one-to-one correspondence with the inner air inlet through holes, and the material cavity is communicated with the spinneret holes.
Pressing plates are further arranged at two ends of the feeding plate, and the pressing plates seal the two ends of the feeding plate, the dividing plate and the cover plate.
The air inlets are arranged in two rows, each row of air inlets are arranged in a straight line along the length direction of the splitter plate, and the feeding holes are intensively distributed between the two rows of air inlets.
A long strip-shaped positioning groove is formed in three areas of the front side surface of the feeding plate along the length direction, and a plurality of screw holes which are arranged in a straight line are formed in the three areas along the length direction of the feeding plate; the inner side of the cover plate is provided with a strip-shaped boss which is accommodated in the positioning groove.
The joint surface of the flow dividing plate and the groove is provided with a circle of sealing groove at the outer side of the material cavity, the sealing groove is provided with a sealing strip, and the sealing groove isolates the outlet port from the material cavity; the end of the connecting nozzle is provided with an annular sealing groove, a sealing ring is arranged in the annular sealing groove, the connecting nozzle is propped against the inner wall of the material cavity, and the sealing ring plays a role in isolating the air supply channel and the feeding flow channel.
The inner air outlet port is arranged in the material cavity, is propped against the inner wall of the material cavity through the connecting nozzle and is connected and communicated with the inner air inlet through hole, and is isolated from the feeding runner, so that symmetrical spinning air passages at two sides of the large two rows of spinning holes are realized, meanwhile, the width of a strip-shaped plane at the top end of the triangular raised strip is narrowed to be smaller than the diameter of the spinning hole, gaps are reserved on two side walls of the triangular raised strip, and under the action of high-speed air flow of air guide gaps at two sides, fiber filaments of the spinning hole continuously shake along with the air flow, so that finally formed melt-blown fiber filaments on the conveyor belt are more finely distributed, the two rows of spinning filaments are also closely spaced, layering phenomenon can not occur in forming, the produced melt-blown fiber thickness is sufficient, the filtering effect is good, and better air permeability is maintained.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention (II);
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
FIG. 6 is a schematic view of a side of the splitter plate of the present invention;
FIG. 7 is a cross-sectional view taken along B-B in FIG. 6;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 6;
Fig. 9 is an enlarged schematic view of fig. 7 at D.
Detailed Description
As shown in fig. 1-9, a dual row nozzle meltblowing die spinneret structure is characterized by: the feeding plate 2 is a strip-shaped plate body, two triangular raised strips 21 which are parallel are arranged on the front side surface of the feeding plate 2, a strip-shaped plane 22 is cut at the top point of each triangular raised strip 21 along the length direction, a row of spinneret orifices 23 which are arranged in a line along the length direction and penetrate through the feeding plate are formed in the strip-shaped plane 22, the diameter of each spinneret orifice 23 is 0.1-0.5 mm, and the diameter of each spinneret orifice 23 is larger than the width of each strip-shaped plane 22, so that gaps 24 are reserved on two side walls of each triangular raised strip of each spinneret orifice 23; the front side of the feeding plate 2 is divided into three areas by two parallel triangular convex strips 21, four rows of air inlet through holes which are arranged in a straight line are also formed in the two sides of the triangular convex strips 21 along the length direction of the feeding plate, two middle rows of inner air inlet through holes 51 are positioned between the two triangular convex strips 21, two outer rows of outer air inlet through holes 52 are positioned in the two sides of the two triangular convex strips 21, the inner air inlet through holes 51 and the outer air inlet through holes 52 penetrate through the feeding plate 2, a cover plate 3 is also fixed in the three areas, an air groove 31 is formed in the inner side of the cover plate 3 corresponding to the inner air inlet through holes 51 or the outer air inlet through holes 52 along the length direction of the feeding plate, an air guide gap 32 is reserved between the side wall of the cover plate 3 and the side wall of the triangular convex strips 21, a spinning gap 33 is reserved between the adjacent cover plates, the spinning gap 33 corresponds to the top surface of the triangular convex strips 21, the width of the spinning gap 33 is slightly larger than the size of the spinning hole between 0.5mm and 1.2mm, and the air inlet through holes 31, the air guide gap 32 and the spinning gap 33 are communicated with each other; a groove 25 is formed in the rear side surface of the feeding plate 2 along the length direction of the feeding plate, a splitter plate 1 is arranged in the groove 25, a material cavity 26 is formed between the inner side of the splitter plate 1 and the groove 25, a plurality of air inlets 11 and feeding holes 12 are formed in the splitter plate 1, the feeding holes 12 are communicated with the material cavity 26, each air inlet 11 is provided with two air outlet ports on the inner side of the splitter plate 1, wherein the air outlet ports 112 are positioned on the outer side of the material cavity 26, the inner air outlet ports 111 are positioned in the material cavity 26, the air outlet ports 112 are directly in one-to-one correspondence with the outer air inlet holes 52, connecting nozzles 113 are arranged at the inner air outlet ports 111, the end parts of the connecting nozzles 113 are abutted against the inner wall of the material cavity 26 to isolate the air inlet ports 11 from the material cavity 26, and the inner air outlet ports 111 are in one-to-one correspondence with the inner air inlet holes 51, and the material cavity 26 is communicated with the spinneret holes 23; pressing plates 4 are further arranged at two ends of the feeding plate 2, and the pressing plates 4 seal two ends of the feeding plate 2, the splitter plate 1 and the cover plate 3.
The air inlets 11 are arranged in two rows, each row of air inlets 11 is arranged in a straight line along the length direction of the flow dividing plate 1, and the feeding holes 12 are intensively distributed between the two rows of air inlets 11; a circle of sealing groove 114 is arranged on the joint surface of the splitter plate 1 and the groove 25 at the outer side of the material cavity, the sealing groove 114 is provided with a sealing strip, and the sealing strip isolates the air outlet 112 from the material cavity 26; the end of the connecting nozzle 113 is provided with an annular sealing groove 115, a sealing ring is arranged in the annular sealing groove 115, the connecting nozzle 113 abuts against the inner wall of the material cavity 26, and the sealing ring plays a role in isolating an air supply channel from a feeding flow channel.
A strip-shaped positioning groove 27 is formed in three areas of the front side surface of the feeding plate 2 along the length direction, and a plurality of screw holes which are arranged in a straight line are formed in the three areas along the length direction of the feeding plate 2; the inner side of the cover plate 3 is provided with a strip-shaped boss 35, and the strip-shaped boss 35 is accommodated in the positioning groove 27.
In the working process, the plastic raw material in a molten state enters the material cavity 26 from the feeding hole 12 under the action of pressure, and the plastic raw material in the material cavity is extruded to two rows of spinning holes 23; the gas with high pressure in the other direction is divided into four groups after passing through the air inlet 11, and high-speed air flows are formed at two sides of the triangular convex strips after passing through the internal air passage, and as the diameter of the spinneret orifice 23 is larger than the width of the strip-shaped plane 22, gaps 24 are reserved on two side walls of the triangular convex strips of the spinneret orifice 23; when the molten plastic raw material does not go out of the spinneret holes 23, the notches 24 on both sides atomize the raw material into filaments with smaller diameters under the action of high-speed air flow, and the filaments are ejected from the spinneret slits 33, and finally melt-blown cloth is formed on the attached medium.
The inner air outlet port is arranged in the material cavity, is propped against the inner wall of the material cavity through the connecting nozzle and is connected and communicated with the inner air inlet through hole, and is isolated from the feeding runner, so that symmetrical spinning air passages at two sides of the large two rows of spinning holes are realized, meanwhile, the width of a strip-shaped plane at the top end of the triangular raised strip is narrowed to be smaller than the diameter of the spinning hole, gaps are reserved on two side walls of the triangular raised strip, and the fiber filaments of the spinning hole continuously shake along with the air flow under the action of high-speed air flow of air guide gaps at two sides, so that the formed melt-spun filaments on the finally attached conveyor belt are more evenly distributed, the two rows of spinning filaments are also closely spaced, layering phenomenon can not occur after the attachment and cooling, the thickness of the produced melt-spun filaments is sufficient, the filtering effect is good, and better air permeability is kept.
Claims (5)
1. A dual row nozzle meltblowing die head spinneret plate structure, characterized in that: the feeding plate (2) is a strip-shaped plate body, two parallel triangular raised strips (21) are arranged on the front side surface of the feeding plate (2), a strip-shaped plane (22) is cut out along the length direction at the top point of each triangular raised strip (21), a row of spinneret orifices (23) which are arrayed in a straight line along the length direction and penetrate through the feeding plate are formed in the strip-shaped plane (22), and the diameter of each spinneret orifice (23) is larger than the width of the strip-shaped plane (22), so that gaps (24) are reserved on two side walls of each triangular raised strip of each spinneret orifice (23);
The front side of the feeding plate (2) is divided into three areas by two parallel triangular convex strips (21), four rows of air inlet through holes which are arranged in a straight line are formed in the two sides of the triangular convex strips (21) along the length direction of the feeding plate, two middle rows of inner air inlet through holes (51) are positioned between the two triangular convex strips (21), two outer rows of outer air inlet through holes (52) are positioned in the two sides of the two triangular convex strips (21), the inner air inlet through holes (51) and the outer air inlet through holes (52) penetrate through the feeding plate (2), a cover plate (3) is fixed in the three areas, an air guide gap (32) is formed in the position, corresponding to the inner air inlet through holes (51) or the outer air inlet through holes (52), of the inner side of the cover plate (3) along the length direction of the feeding plate, an air guide gap (32) is reserved between the side wall of the cover plate (3) and the side wall of the triangular convex strips (21), and a spinning gap (33) is reserved between the adjacent cover plates, the spinning gap (33) corresponds to the triangular convex strips (21), and the air inlet through holes, the air guide gap (31), the air guide gap (32) and the air guide gap (32) are communicated with each other;
A groove (25) is formed in the rear side surface of the feeding plate (2) along the length direction of the feeding plate, a splitter plate (1) is formed in the groove (25), a material cavity (26) is formed between the inner side of the splitter plate (1) and the groove (25), a plurality of air inlets (11) and feeding holes (12) are formed in the splitter plate (1), the feeding holes (12) are communicated with the material cavity (26), each air inlet (11) is provided with two air outlet ports on the inner side of the splitter plate (1), an air outlet port (112) is positioned on the outer side of the material cavity (26), an inner air outlet port (111) is positioned in the material cavity (26), the air outlet ports (112) are directly in one-to-one correspondence with the outer air inlet holes (52), connecting nozzles (113) are arranged at the positions of the inner air outlet ports (111), the end parts of the connecting nozzles (113) are abutted against the inner wall of the material cavity (26) to isolate the air inlet holes (11) from the material cavity (26), and the inner air outlet ports (111) are in one-to-one correspondence with the inner air inlet holes (51), and the inner air outlet ports (26) are communicated with the air outlet holes (23) one by one; pressing plates (4) are further arranged at two ends of the feeding plate (2), and the pressing plates (4) seal two ends of the feeding plate (2), the splitter plate (1) and the cover plate (3);
A strip-shaped positioning groove (27) is formed in three areas of the front side surface of the feeding plate (2) along the length direction, and a plurality of screw holes which are arranged in a straight line are formed in the three areas along the length direction of the feeding plate (2); the inner side of the cover plate (3) is provided with a strip-shaped boss (35), and the strip-shaped boss (35) is accommodated in the positioning groove (27).
2. A dual row nozzle meltblowing die spinneret configuration as defined in claim 1, wherein: the air inlets (11) are arranged in two rows, each row of air inlets (11) is arranged in a straight line along the length direction of the flow dividing plate (1), and the feeding holes (12) are intensively distributed between the two rows of air inlets (11).
3. A dual row nozzle meltblowing die spinneret configuration as defined in claim 2, wherein: a circle of sealing groove (114) is formed in the joint surface of the flow dividing plate (1) and the groove (25) at the outer side of the material cavity, the sealing groove (114) is provided with a sealing strip, and the sealing strip isolates the outlet port (112) from the material cavity (26); the end of the connecting nozzle (113) is provided with an annular sealing groove (115), a sealing ring is arranged in the annular sealing groove (115), the connecting nozzle (113) abuts against the inner wall of the material cavity (26), and the sealing ring plays a role in isolating an air supply channel from a feeding flow channel.
4. A dual row nozzle meltblowing die spinneret configuration as defined in claim 1, wherein: the diameter of the spinneret orifice (23) is 0.1 to 0.5mm.
5. A dual row nozzle meltblowing die spinneret configuration as defined in claim 4, wherein: the width of the spinning gap (33) is slightly larger than the width of the spinning hole, and the width of the spinning gap (33) is between 0.5 and 1.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763974.0A CN111850707B (en) | 2020-08-01 | 2020-08-01 | Melt-blown cloth die head spinneret plate structure with double rows of nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763974.0A CN111850707B (en) | 2020-08-01 | 2020-08-01 | Melt-blown cloth die head spinneret plate structure with double rows of nozzles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111850707A CN111850707A (en) | 2020-10-30 |
| CN111850707B true CN111850707B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010763974.0A Active CN111850707B (en) | 2020-08-01 | 2020-08-01 | Melt-blown cloth die head spinneret plate structure with double rows of nozzles |
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| Country | Link |
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| CN (1) | CN111850707B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877791A (en) * | 2021-01-12 | 2021-06-01 | 浙江精功机器人智能装备有限公司 | Spinneret plate of melt-blowing die |
| CN113502549B (en) * | 2021-05-28 | 2022-10-28 | 中国石油化工股份有限公司 | Melt-blown spinning assembly |
| EP4296407A1 (en) * | 2022-06-21 | 2023-12-27 | Fratelli Ceccato Milano S.r.l. | Plant for making of melt-blown type non-woven fabric |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012167409A (en) * | 2011-02-15 | 2012-09-06 | Toptec Co Ltd | Electrospinning device and apparatus for producing nanofiber |
| CN209481864U (en) * | 2018-11-19 | 2019-10-11 | 常州吉尔精密机械制造有限公司 | A kind of two-component spinning pack |
| CN111334871A (en) * | 2020-04-21 | 2020-06-26 | 山东丁鼎科技发展有限公司 | Melt-blown fabric spouts a nozzle |
| CN111334875A (en) * | 2020-04-17 | 2020-06-26 | 镇江东艺机械有限公司 | Air flow deflector for spinneret nozzle of melt-blown loom |
| CN212533213U (en) * | 2020-08-01 | 2021-02-12 | 王海玲 | Spinneret plate structure of melt-blown fabric die head with double rows of nozzles |
-
2020
- 2020-08-01 CN CN202010763974.0A patent/CN111850707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012167409A (en) * | 2011-02-15 | 2012-09-06 | Toptec Co Ltd | Electrospinning device and apparatus for producing nanofiber |
| CN209481864U (en) * | 2018-11-19 | 2019-10-11 | 常州吉尔精密机械制造有限公司 | A kind of two-component spinning pack |
| CN111334875A (en) * | 2020-04-17 | 2020-06-26 | 镇江东艺机械有限公司 | Air flow deflector for spinneret nozzle of melt-blown loom |
| CN111334871A (en) * | 2020-04-21 | 2020-06-26 | 山东丁鼎科技发展有限公司 | Melt-blown fabric spouts a nozzle |
| CN212533213U (en) * | 2020-08-01 | 2021-02-12 | 王海玲 | Spinneret plate structure of melt-blown fabric die head with double rows of nozzles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111850707A (en) | 2020-10-30 |
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