CN111334874A - Melt-blown die head for non-woven fabric - Google Patents
Melt-blown die head for non-woven fabric Download PDFInfo
- Publication number
- CN111334874A CN111334874A CN202010299158.9A CN202010299158A CN111334874A CN 111334874 A CN111334874 A CN 111334874A CN 202010299158 A CN202010299158 A CN 202010299158A CN 111334874 A CN111334874 A CN 111334874A
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- clamping
- clamping blocks
- clamping piece
- cavity
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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
- 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)
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/06—Distributing spinning solution or melt to spinning nozzles
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/08—Supporting spinnerettes or other parts of spinnerette packs
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- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to the technical field of melt-blown non-woven fabric equipment, in particular to a melt-blown die head for non-woven fabric. The utility model provides a melt-blown die head for non-woven fabrics, which comprises a base, spray the module, be equipped with the material chamber in the base, spray the module and install on the base, spray the module and include the grip block, the clamping piece, the grip block is equipped with a plurality of, it has a clamping piece to compress tightly between two liang of grip blocks, the guiding gutter has been seted up to a side surface of the relative clamping piece of grip block, and form the water conservancy diversion chamber with the clamping piece press fit, the clamping piece is equipped with lower part open-ended pectination notch, the clamping piece makes the pectination notch form a plurality of jet mouths of intensive range with the cooperation of both sides grip block, part has the overlapping between pectination notch upper portion and guiding gutter, so that water conservancy diversion chamber and jet mouth intercommunication, the grip block, the clamping piece, the base is equipped with the water conservancy. The invention has uniform spinning and is convenient to clean and maintain.
Description
Technical Field
The invention relates to the technical field of melt-blown non-woven fabric equipment, in particular to a melt-blown die head for non-woven fabric.
Background
The nonwoven fabric is produced by a jet melting machine without spinning a woven fabric in the processing process by drawing and solidifying the high polymer as a raw material, and the production cost of the nonwoven fabric is low, so the nonwoven fabric is widely applied to the fields of clothing fabrics, industrial fabrics, medical fabrics and the like.
The melt-blown die head assembly of the existing non-woven fabric is mostly formed by an upper die and a lower die, and the existing melt-blown die head has unsatisfactory and uneven filament discharging effect during spinning, so that the quality of the produced non-woven fabric cannot meet the requirement; after the melt-blowing die head is used, the melt remained in the melt-blowing die head always generates local carbonization or hardening so as to cause local blockage of a spinneret orifice of the melt-blowing die head, and the cleaning is inconvenient; and when the melt-blowing die head assembly breaks down, the maintenance is inconvenient.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide the melt-blowing die head for the non-woven fabric, which has uniform spinning and is convenient to clean and maintain.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a melt-blown die head for non-woven fabrics, includes the base, sprays the module, be equipped with the material chamber in the base, it installs on the base to spray the module, sprays the module and includes grip block, clamping piece, the grip block is equipped with a plurality of, compresses tightly between two liang of grip blocks and presss from both sides a clamping piece, the guiding gutter has been seted up to the relative clamping piece's of grip block lateral surface to compress tightly the cooperation with the clamping piece and form the water conservancy diversion chamber, the clamping piece is equipped with lower part open-ended pectinate notch, and the clamping piece cooperates with the grip block of both sides to make pectinate notch form a plurality of jet mouths of intensive range, have partially overlapping between pectinate notch upper portion and guiding gutter to make water conservancy diversion chamber and jet mouth intercommunication, grip block, clamping piece, base are equipped with the water conservancy diversion hole that the position corresponds, and the.
Furthermore, the upper part of the flow guide cavity forms a feeding part, the lower part forms a discharging part, a crotch-shaped flow equalizing channel is formed between the feeding part and the discharging part, the flow guide channel is communicated to the feeding part, and the overlapping part of the comb-shaped notch and the flow guide groove is positioned at the discharging part.
Furthermore, the injection module further comprises a locking bolt, the clamping blocks and the clamping pieces are provided with assembly through holes corresponding to the positions, the base is provided with assembly screw holes corresponding to the assembly through holes, and the locking bolt penetrates through the corresponding assembly through holes to be connected with the corresponding assembly screw holes so as to tightly attach the clamping blocks and the clamping pieces to the base.
Furthermore, the locking bolts are provided with a plurality of assembling through holes and assembling screw holes, so that the locking bolts are distributed on the injection module, the guide grooves are internally provided with bosses, the guide grooves are separated by the bosses to form crotch-shaped flow equalizing channels, the bosses extend outwards to be flush with the side surfaces of the clamping blocks, and the assembling through holes are formed in the bosses.
Furthermore, the material cavity comprises an air cavity and a liquid cavity, four clamping blocks are arranged, three clamping pieces are correspondingly arranged between every two clamping blocks, a jet orifice formed by the clamping piece positioned in the middle is communicated with the liquid cavity to jet molten liquid, and jet orifices formed by the clamping pieces positioned at two sides are communicated with the air cavity to jet high-pressure air.
Furthermore, the two clamping blocks positioned in the middle are provided with structures which are wide at the top and narrow at the bottom, the two clamping blocks positioned on the outer sides are provided with structures which are wide at the top and narrow at the bottom, and the clamping blocks are matched with each other, so that the clamping pieces positioned on the two sides are respectively inclined downwards towards the bottom of the clamping piece positioned in the middle.
Furthermore, the bottom parts of the two clamping blocks positioned in the middle form edge parts, so that the injection ports at the corresponding positions formed by the three clamping pieces are adjacently arranged.
Furthermore, two flow guide cavities formed by the two clamping blocks positioned on the outer side are communicated with the air cavity through independent flow guide channels.
Furthermore, two flow guide cavities formed by the two clamping blocks positioned in the middle are communicated to the liquid cavity through a shared flow guide channel.
Furthermore, the injection modules are provided with a plurality of injection modules, each injection module is arranged along the base in a close arrangement mode, and injection ports formed by the clamping pieces corresponding to the injection modules are arranged in a linear direction.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:
firstly, a plurality of clamping blocks and clamping pieces are adopted to form an injection module, so that high-pressure gas and molten liquid are uniformly differentiated for multiple times to meet the requirements of spinning airflow on a production process, and the spinning is uniform;
secondly, both sides of each jet orifice for jetting molten liquid are provided with jet orifices for jetting high-pressure gas, so that the problems of poor air flow stretching force, adhesion of the molten liquid on a jetting module, unsmooth spinning caused by uneven air flow distribution and the like can be prevented; the high-pressure gas is communicated to each jet orifice through an independent flow guide channel from the gas cavity, so that the stretching force of the jet orifices for jetting the high-pressure gas is uniform, and the molten liquid is jetted uniformly;
thirdly, the injection module is detachably arranged on the base, each clamping block and each clamping piece are installed through bolts, and when material blockage occurs or damage occurs, disassembly and replacement are convenient, and installation and maintenance are convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a meltblowing die in accordance with an embodiment of the invention.
Fig. 2 is an exploded view of a spray module according to an embodiment of the present invention.
Fig. 3 is an exploded view of a second spray module in accordance with an embodiment of the present invention.
Fig. 4 is a cross-sectional view between a clamping block and a clamping plate in accordance with an embodiment of the present invention.
FIG. 5 is a cross-sectional view of a spray module according to an embodiment of the present invention.
FIG. 6 is a schematic view from another perspective of a meltblowing die in accordance with an embodiment of the invention.
Fig. 7 is an enlarged view of fig. 6 at a in accordance with an embodiment of the present invention.
In the figure: 1. the high-pressure gas injection device comprises a base, 11 material cavities, 111 gas cavities, 112 liquid cavities, 12 flow guide holes, 13 assembly screw holes, 2 injection modules, 21 clamping blocks, 211 flow guide grooves, 2111 bosses, 212 assembly through holes, 213 first clamping blocks, 214 second clamping blocks, 215 third clamping blocks, 216 fourth clamping blocks, 22 clamping pieces, 221 comb-shaped notches, 222 first clamping pieces, 223 second clamping pieces, 224 third clamping pieces, 23 flow guide cavities, 231 feeding parts, 232 discharging parts, 233 flow equalizing channels, 24 injection ports, 241 high-pressure gas injection ports, 242 melt injection ports, 25 flow guide channels and 26 locking bolts.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 7, a meltblowing die for a nonwoven fabric of the present invention includes a base 1, a spray module 2.
The material cavity 11 is arranged in the base 1, the injection module 2 is installed on the base 1, the injection module 2 comprises clamping blocks 21, clamping pieces 22, the clamping blocks 21 are provided with a plurality of clamping pieces 22, one clamping piece 22 is clamped between every two clamping blocks 21, a guide groove 211 is formed in one side face of each clamping piece 21, the clamping pieces 21 are in press fit with the clamping pieces 22 to form a guide cavity 23, the clamping pieces 22 are provided with comb-shaped notches 221 with openings at the lower parts, the clamping pieces 22 are matched with the clamping blocks 21 on the two sides to enable the comb-shaped notches 221 to form a plurality of spray openings 24 which are densely arranged, partial overlapping is formed between the upper parts of the comb-shaped notches 221 and the guide groove 211 to enable the guide cavity 23 to be communicated with the spray openings 24, the clamping blocks 21, the clamping pieces 22 and the base 1 are provided with guide holes 12 corresponding to.
The plurality of injection modules 2 are arranged, each injection module 2 is arranged along the base 1 in a close manner, and the injection ports 24 formed by the clamping pieces 22 corresponding to each injection module 2 are arranged along a straight line. The upper part of the flow guide cavity 23 forms a feeding part 231, the lower part forms a discharging part 232, a crotch-shaped flow equalizing channel 233 is formed between the feeding part 231 and the discharging part 232, the flow guide channel 25 is communicated to the feeding part 231, and the overlapping part of the comb-shaped notch 221 and the flow guide groove 211 is positioned at the discharging part 232. The injection module 2 further comprises locking bolts 26, the clamping blocks 21 and the clamping pieces 22 are provided with assembling through holes 212 corresponding to the assembling through holes 212, the base 1 is provided with assembling screw holes 13 corresponding to the assembling through holes 212, and the locking bolts 26 penetrate through the corresponding assembling through holes 212 to be connected with the corresponding assembling screw holes 13, so that the clamping blocks 21 and the clamping pieces 22 are mounted on the base 1 in a fit and pressing manner. The locking bolts 26 are provided with a plurality of assembling through holes 212 and assembling screw holes 13, so that the locking bolts 26 are distributed on the injection module 2, the guide groove 211 is internally provided with a boss 2111, the guide groove 211 is divided by the boss 2111 to form a fork-shaped flow equalizing channel 233, the boss 2111 extends outwards to be flush with the side surface of the clamping block 21 where the boss 2111 is located, and the assembling through holes 212 are arranged in the boss 2111.
Each clamping block 21 and each clamping piece 22 are attached and pressed, and the locking bolts 26 pass through the assembling through holes 212 of each clamping block 21 and each clamping piece 22 to be connected with the assembling screw holes 13 on the base 1, so that the clamping blocks 21 and the clamping pieces 22 are attached and pressed to be installed on the base 1. When the spraying module 2 is in failure, the spraying module 2 can be detached for maintenance by detaching the locking bolt 26, and a new spraying module 2 is replaced, so that the problem that the whole melt-blown die head enters a factory for maintenance due to the failure of a certain part of the melt-blown die head is avoided, and the production progress and efficiency of equipment are influenced; when the melt-blown die head is blocked, the spraying module 2 can be disassembled for cleaning; the guide groove 211 is internally provided with a boss 2111, the boss 2111 is internally provided with an assembly through hole 212, and the clamping piece 22 adopts a sheet structure, so that the closure of the guide cavity 23, the flow equalizing channel 233 and the jet orifice 24 of the jet module 2 is better.
The injection port 24 comprises a high-pressure gas injection port 241 and a molten liquid injection port 242, and the high-pressure gas injection ports 241 are arranged on two sides of the molten liquid injection port 242; the material cavity 11 comprises an air cavity 111 and a liquid cavity 112, the clamping blocks 21 are provided with four blocks comprising a first clamping block 213, a second clamping block 214, a third clamping block 215 and a fourth clamping block 216, the clamping pieces 22 are correspondingly provided with three blocks and positioned between every two clamping blocks 21, the clamping pieces 22 comprise a first clamping piece 222, a second clamping piece 223 and a third clamping piece 224, a jet orifice 24 formed by the clamping piece 22 positioned in the middle is communicated with the liquid cavity 112 to jet molten liquid, namely a molten liquid jet orifice 242 formed by the second clamping piece 223 is communicated with the liquid cavity 112 to jet the molten liquid; the injection ports 24 formed in the clips 22 at both sides are communicated to the air chamber 111 to inject the high pressure gas, i.e., the high pressure gas injection ports 241 formed in the first clip 222 and the third clip 224, respectively, are communicated to the air chamber 111 to inject the high pressure gas. The two clamping blocks 21 in the middle, namely the second clamping block 214 and the third clamping block 215, have a structure with a wide top and a narrow bottom, the two clamping blocks 21 in the outer sides, namely the first clamping block 213 and the fourth clamping block 216, have a structure with a wide top and a narrow bottom, and the clamping blocks 21 are matched with each other, so that the clamping pieces 22 at the two sides are respectively inclined downwards towards the bottom of the clamping piece 22 in the middle, namely the first clamping piece 222 and the third clamping piece 224 are respectively inclined downwards towards the bottom of the second clamping piece 223; edge parts are formed at the bottoms of the two clamping blocks 21 positioned in the middle, namely the second clamping block 214 and the third clamping block 215, so that the injection ports 24 at the corresponding positions formed by the three clamping pieces 22 are adjacently arranged; two diversion cavities 23 formed by the two clamping blocks 21 positioned on the outer side, namely the first clamping block 213 and the fourth clamping block 216 are communicated to the air cavity 111 through independent diversion channels 25; two diversion cavities 23 formed by the two clamping blocks 21 in the middle, namely the second clamping block 214 and the third clamping block 215 are communicated to the liquid cavity 112 through a shared diversion channel 25, and the melts in the two diversion cavities 23 are sprayed out through the same spray opening 24.
The working principle of the melt-blowing die head for the non-woven fabric is as follows:
the base 1 is provided with two diversion holes 12 communicated with the air cavity 111, each diversion hole 12 corresponds to the diversion hole 12 of the clamping block 21 and the clamping piece 22, and each corresponding diversion hole 12 forms a diversion channel 25 communicated from the air cavity 111 to the diversion cavity 23. High-pressure gas flows into the flow guide cavity 23 of the first clamping block 213 from one of the flow guide holes 12 through the gas cavity 111, enters the flow guide cavity 23 from the feeding part 231, is uniformly distributed and flows to the discharging part 232 through the fork-shaped flow equalizing channel 233 in the flow guide cavity 23, and is then sprayed out from the high-pressure gas spraying port 241;
the high-pressure gas passes through the gas cavity 111, passes through the first clamping block 213, the first clamping piece 222, the second clamping block 214, the second clamping piece 223, the third clamping block 215 and the third clamping piece 224 in sequence from the other diversion hole 12, then flows into the diversion cavity 23 of the fourth clamping block 216, enters the diversion cavity 23 from the feeding part 231, is uniformly distributed and flows to the discharging part 232 through the crotch-shaped flow equalizing channel 233 in the diversion cavity 23, and is sprayed out from the high-pressure gas spraying port 241;
the base 1 is provided with a flow guide hole 12 communicated with the liquid cavity 112, the melt passes through the liquid cavity 112 from the flow guide hole 12 to sequentially pass through the first clamping block 213, the first clamping piece 222 and the second clamping block 214 to enter the flow guide cavity 23 of the second clamping block 214, high-pressure gas enters the flow guide cavity 23 from the feeding part 231, is uniformly divided and flows to the discharging part 232 through the fork-shaped flow equalizing channel 233 in the flow guide cavity 23, and then is sprayed out from the molten liquid jet orifice 242; high-pressure air enters the flow guide cavity 23 of the third clamping block 215 through the second clamping piece 223, and is uniformly distributed and circulated to the discharge part 232 through the fork-shaped flow equalizing channel 233 by the feed part 231 and then is sprayed out of the melt injection port 242;
the first clamping piece 222 and the third clamping piece 224 are respectively inclined downwards towards the bottom of the second clamping piece 223, edge parts are formed at the bottoms of the second clamping block 214 and the third clamping block 215, the injection ports 24 at corresponding positions formed by the three clamping pieces 22 are adjacently arranged, the melt is vertically and downwards injected from the melt injection port 242, high-pressure gas is uniformly blown towards the injected melt at a high speed from the high-pressure gas injection port 241, and the high-pressure gas acts on the injected melt to rapidly stretch, solidify and form the melt in a high-power mode.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. A melt-blowing die for a nonwoven fabric, characterized by: the device comprises a base and an injection module, wherein a material cavity is arranged in the base, the injection module is installed on the base and comprises clamping blocks and clamping pieces, the clamping blocks are provided with a plurality of clamping pieces, a clamping piece is clamped between every two clamping blocks, a flow guide groove is formed in one side surface of each clamping piece opposite to the clamping piece and is in press fit with the clamping piece to form a flow guide cavity, the clamping pieces are provided with comb-shaped notches with openings in the lower portions, the clamping pieces are matched with the clamping blocks on the two sides to enable the comb-shaped notches to form a plurality of jetting ports which are arranged densely, partial overlapping is formed between the upper portions of the comb-shaped notches and the flow guide groove to enable the flow guide cavity to be communicated with the jetting ports, the clamping blocks, the clamping pieces and the base are provided with flow guide holes corresponding to the.
2. A meltblowing die for a nonwoven fabric as defined in claim 1, wherein: the upper part of the flow guide cavity forms a feeding part, the lower part of the flow guide cavity forms a discharging part, a crotch-shaped flow equalizing channel is formed between the feeding part and the discharging part, the flow guide channel is communicated to the feeding part, and the overlapping part of the comb-shaped notch and the flow guide groove is positioned at the discharging part.
3. A meltblowing die for a nonwoven fabric as defined in claim 1, wherein: the injection module further comprises a locking bolt, the clamping blocks and the clamping pieces are provided with assembly through holes corresponding in position, the base is provided with assembly screw holes corresponding to the assembly through holes, and the locking bolt penetrates through the corresponding assembly through holes to be connected with the corresponding assembly screw holes so as to be mounted on the base in a manner of pressing the clamping blocks and the clamping pieces in a fit manner.
4. A meltblowing die for a nonwoven fabric according to claim 3 wherein: the locking bolts are provided with a plurality of assembling through holes and assembling screw holes which are correspondingly arranged so that the locking bolts are distributed on the injection module, the guide grooves are internally provided with bosses which divide the guide grooves to form crotch-shaped flow equalizing channels, the bosses extend outwards to be flush with the side surfaces of the clamping blocks where the bosses are located, and the assembling through holes are arranged in the bosses.
5. A meltblowing die for a nonwoven fabric as claimed in claim 1, 2, 3 or 4, wherein: the material cavity comprises an air cavity and a liquid cavity, four clamping blocks are arranged, three clamping pieces are correspondingly arranged between every two clamping blocks, a jet orifice formed by the clamping piece in the middle is communicated to the liquid cavity to jet molten liquid, and jet orifices formed by the clamping pieces on two sides are communicated to the air cavity to jet high-pressure air.
6. A meltblowing die for a nonwoven fabric as defined in claim 5, wherein: the two clamping blocks positioned in the middle are provided with structures which are wide at the top and narrow at the bottom, the two clamping blocks positioned on the outer sides are provided with structures which are wide at the top and narrow at the bottom, and the clamping blocks are matched with each other, so that the clamping pieces positioned on the two sides are respectively downwards inclined towards the bottom of the clamping piece positioned in the middle.
7. A meltblowing die for a nonwoven fabric as defined in claim 6, wherein: the bottoms of the two clamping blocks positioned in the middle form edge parts, so that the jet ports at the corresponding positions formed by the three clamping pieces are adjacently arranged.
8. A meltblowing die for a nonwoven fabric as defined in claim 5, wherein: two diversion cavities formed by the two clamping blocks positioned on the outer side are communicated to the air cavity through independent diversion channels.
9. A meltblowing die for a nonwoven fabric as defined in claim 5, wherein: two diversion cavities formed by the two clamping blocks in the middle are communicated to the liquid cavity through a shared diversion channel.
10. A meltblowing die for a nonwoven fabric as defined in claim 1, wherein: the injection module is provided with a plurality of injection modules, each injection module is arranged along the base in a close arrangement mode, and injection ports formed by the clamping pieces corresponding to the injection modules are arranged in a linear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299158.9A CN111334874A (en) | 2020-04-16 | 2020-04-16 | Melt-blown die head for non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299158.9A CN111334874A (en) | 2020-04-16 | 2020-04-16 | Melt-blown die head for non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111334874A true CN111334874A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010299158.9A Pending CN111334874A (en) | 2020-04-16 | 2020-04-16 | Melt-blown die head for non-woven fabric |
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| Country | Link |
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| CN (1) | CN111334874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607830A (en) * | 2020-07-02 | 2020-09-01 | 深圳市爱普克流体技术有限公司 | Melt shower nozzle and melt blown equipment |
-
2020
- 2020-04-16 CN CN202010299158.9A patent/CN111334874A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607830A (en) * | 2020-07-02 | 2020-09-01 | 深圳市爱普克流体技术有限公司 | Melt shower nozzle and melt blown equipment |
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