CN218262845U - Non-woven fabric melt-blowing die head - Google Patents
Non-woven fabric melt-blowing die head Download PDFInfo
- Publication number
- CN218262845U CN218262845U CN202221478161.8U CN202221478161U CN218262845U CN 218262845 U CN218262845 U CN 218262845U CN 202221478161 U CN202221478161 U CN 202221478161U CN 218262845 U CN218262845 U CN 218262845U
- Authority
- CN
- China
- Prior art keywords
- spinneret plate
- air
- die head
- spinneret
- mounting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a non-woven fabric melt-blowing die head, which comprises a die head main body and a spinneret plate, wherein the middle position of the die head main body is provided with a mounting groove, and the spinneret plate is connected in the mounting groove in a sliding way through a lug boss on the spinneret plate; a material spraying cavity is arranged in the spinneret plate, a plurality of spinneret orifices are arranged on the top surface of the spinneret plate, and a feeding channel is arranged below the die head main body positioned in the mounting groove; grooves are formed in the die head main body and located on two sides of the spinneret plate, mounting blocks are arranged in the grooves, a gap is formed between each mounting block and the side wall of the spinneret plate, a first air channel is formed in the gap, and an electric heating element is arranged on one side, close to the spinneret plate, of each mounting block; the mounting block is provided with a second air duct, and the end part of the second air duct is connected with a plurality of spray pipes; the die head assembly is provided with a plurality of first air pipes and second air pipes which are arranged along the length direction, the first air pipes and the second air pipes are arranged in a V shape, the intersection of the first air pipes and the second air pipes is connected with a main air pipe, and the other ends of the first air pipes and the second air pipes are respectively communicated with the first air channel and the second air channel.
Description
Technical Field
The utility model belongs to the technical field of the non-woven fabrics production facility, concretely relates to non-woven fabrics melts and spouts die head.
Background
Meltblown nonwoven fabrics are nonwoven fabrics made by melting a polymer (e.g., pp, etc.), then ejecting and cooling the melt to form a web. The existing spinneret plate and the melt-blown die head are connected together, when the spinneret plate is blocked and needs to be replaced, the whole melt-blown die head needs to be replaced in a whole set, and the maintenance is more complicated. In order to reduce the replacement frequency of replacing the spinneret plate, a heating element is generally added in a conveying pipeline, so that the temperature of materials in the spinneret plate is ensured to be high, and the materials cannot be blocked at a spinneret hole. And utilize heating element direct to the interior material heating of conveying pipeline, caused the polymer at the downthehole high temperature of spinneret, be difficult to rapid cooling after the polymer spouts the spinneret, unable instant solidification is netted, causes the not good quality of non-woven fabrics shaping and shaping efficiency lower very easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conveniently change the spinneret and can reduce the possibility that the spinneret orifice blockked up and prevent that the non-woven fabrics melt-blown die head of polymer shaping inefficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a non-woven fabric melt-blowing die head comprises a die head main body and a spinneret plate, wherein an installation groove for installing the spinneret plate is formed in the middle of the die head main body, bosses matched with the installation groove are arranged on two sides of the spinneret plate, and the spinneret plate is connected in the installation groove in a sliding mode through the bosses; the die head main body is positioned below the mounting groove and is provided with a feeding channel communicated with the material spraying cavity of the spinneret plate; grooves are formed in the die head main body and located on two sides of the spinneret plate, mounting blocks are arranged in the grooves, a gap is formed between each mounting block and the side wall of the spinneret plate, first air channels located on two sides of the spinneret plate are formed in the gap, and electric heating elements are embedded in one sides, close to the spinneret plate, of the mounting blocks; a second air channel is arranged on one side, far away from the spinneret plate, of the mounting block, and the end part of the second air channel is connected with a plurality of spray pipes inclined towards the spinneret hole; the die head main body is provided with a plurality of first air pipes and second air pipes which are arranged along the length direction, the first air pipes and the second air pipes are arranged in a V shape, the intersection of the first air pipes and the second air pipes is connected with a main air pipe which is used for being communicated with an external pressure air source, and the other ends of the first air pipes and the second air pipes are respectively communicated with the first air channel and the second air channel.
Furthermore, the mounting block consists of three parts, namely a first mounting block close to the spinneret plate, a second mounting block far away from the spinneret plate and a third mounting block positioned in the middle; the second air duct is arranged on the second mounting block, and the third mounting block is a heat insulation material layer.
Further, the diameter of the nozzle tube is gradually reduced from the fixed section to the free end.
Furthermore, a plurality of arc-shaped grooves distributed along the length direction are formed in the outer side of the boss; the die head main body is provided with positioning assemblies which correspond to the arc-shaped grooves one by one; the positioning assembly comprises a stepped groove formed in the die head main body, an arc-shaped clamping head matched with the arc-shaped groove, and a limiting disc positioned in a large hole of the stepped groove and connected with the arc-shaped clamping head; this ladder groove through its tip with the mounting groove intercommunication, the arc dop can be followed the ladder inslot business turn over, spacing dish with be provided with reset spring between the ladder groove, this reset spring will the arc dop is ejecting the ladder groove, thereby the chucking is in the arc groove, when pressing this arc dop, this arc dop can all sink into the ladder inslot.
Further, the distance between the mounting block and the spinneret plate in the first air duct is smaller from the air flow inlet to the air flow outlet.
The utility model has the advantages that: the utility model discloses a spinneret is through boss sliding connection in the mounting groove in the die head main part above it, when needs are changed the spinneret, only need to stimulate the spinneret with its one side from the die head main part pull out can, simultaneously in order to prevent that the spinneret installation is unstable, be provided with the arc wall on the boss of spinneret, be provided with locating component in the die head main part, effectively prevent through a plurality of locating component that the spinneret from taking place to slide by oneself, only apply force to the spinneret and be greater than adding and just can pull out the spinneret from the die head main part of the frictional force between a plurality of arc blocks and the arc wall. Additionally the utility model discloses be provided with first wind channel, and inlay on the installation piece lateral wall in first wind channel and be equipped with heating element, the air current flows to first wind channel back, and heating element heats the air current for the spinneret is in a hot atmosphere simultaneously and not directly to the material heating in the spinneret again, prevents promptly that the material cooling from solidifying and stopping up in spinneret hole department, prevents again that material temperature is too high in the spinneret to influence the network of condensing after later stage material blowout. Finally the utility model discloses be provided with second wind channel and spray tube, after the material is spun from the spinneret orifice, the air current in the spray tube blows and carries out rapid cooling to it to the material for its rate of condensing effectively improves non-woven fabrics shaping efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference numerals are as follows: 1. a die head body; 2. mounting blocks; 3. a feed channel; 4. a main air duct; 5. a second air duct; 6. a first air duct; 7. a material spraying cavity; 8. a spinneret plate; 9. a spinneret orifice; 10. an electric heating element; 11. a second mounting block; 12. a first mounting block; 13. a third mounting block; 14. a second air duct; 15. a nozzle; 16. a first air duct; 17. a boss; 18. an arc-shaped chuck; 19. a limiting disc; 20. a stepped groove; 21. a return spring; 22. an arc-shaped slot; 23. and (4) a groove.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in the attached figure 1, the non-woven fabric melt-blowing die head of the utility model comprises a die head main body 1 and a spinneret plate 8, wherein a material spraying cavity 7 is arranged inside the spinneret plate 8, and a plurality of spinneret holes 9 communicated with the material spraying cavity 7 are arranged on the top surface of the spinneret plate along the length direction; an installation groove for installing the spinneret plate 8 is formed in the middle of the die head main body 1, bosses 17 matched with the installation groove are formed in two sides of the spinneret plate 8, and the spinneret plate 8 is connected in the installation groove in a sliding mode through the bosses 17; a plurality of arc-shaped grooves 22 distributed along the length direction are arranged on the outer side of the boss 17; the die head main body 1 is provided with positioning components which correspond to the arc-shaped grooves 22 one by one; the positioning assembly comprises a stepped groove 20 arranged in the die head main body 1, an arc-shaped chuck 18 matched with the arc-shaped groove 22, and a limiting disc 19 positioned in a large hole of the stepped groove 20 and connected with the arc-shaped chuck 18; this ladder groove 20 through its tip with the mounting groove intercommunication, arc dop 18 can be followed pass in and out in the ladder groove 20, spacing dish 19 with be provided with reset spring 21 between the ladder groove 20, this reset spring 21 will arc dop 18 is ejecting ladder groove 20, thereby the chucking is in the arc 22, when pressing this arc dop 18, this arc dop 18 can all sink into in ladder groove 20. When the spinneret orifice of the spinneret plate is blocked after long-term use, the spinneret plate only needs to be pulled out from the mounting groove, and due to the fact that the plurality of positioning assemblies are arranged, the spinneret plate cannot slide, and can be pulled out only when the pulling force applied to the spinneret plate is larger than the sum of the friction force between all the arc-shaped chucks and the arc-shaped grooves, and the spinneret plate is prevented from sliding in the using process.
A feeding channel 3 communicated with a material spraying cavity 7 of the spinneret plate 8 is arranged below the mounting groove of the die head main body 1; the material enters the die head from the feeding channel, then enters the material spraying cavity and finally is sprayed out from the spinneret orifice. Grooves 23 are formed in the die head main body 1 and located on two sides of the spinneret plate 8, mounting blocks 2 are arranged in the grooves 23, a gap is formed between the mounting blocks 2 and the side wall of the spinneret plate 8, first air ducts 16 located on two sides of the spinneret plate 8 are formed in the gap, and electric heating elements 10 are embedded in one side, close to the spinneret plate 8, of the mounting blocks 2; the electric heating element is arranged to heat airflow entering the first air channel, so that the spinneret plate is always in a hot atmosphere, but materials in the spinneret plate are not directly heated, and the spinneret plate is prevented from being solidified and prevented from being too high in temperature. And the air flow can further increase the speed of the material sprayed out of the spinneret orifice, so that the material can rapidly flow out of the die head body to prevent the material from being solidified in the die head body. The distance between the mounting block 2 and the spinneret plate 8 in the first air duct 16 becomes smaller from the air flow inlet to the air flow outlet. The purpose of the arrangement is to ensure that the air flow speed at the spinneret hole is highest and the air flow is rapidly discharged.
A second air duct 14 is arranged on one side of the mounting block 2, which is far away from the spinneret plate 8, and the end part of the second air duct 14 is connected with a plurality of spray pipes 15 which incline towards the spinneret holes 9; the die head main body is provided with a plurality of first air pipes 6 and second air pipes 5 which are arranged along the length direction, the first air pipes 6 and the second air pipes 5 are arranged in a V shape, the intersection of the first air pipes 6 and the second air pipes 5 is connected with a main air pipe 4 which is used for being communicated with an external pressure air source, and the other ends of the first air pipes 6 and the second air pipes 5 are respectively communicated with a first air channel 16 and a second air channel 14. The spray pipe is arranged, and the air flow sprayed out of the spray pipe can effectively cool the material sprayed out of the spinneret orifice, so that the forming speed of the spray pipe is increased. The diameter of the lance 15 decreases from the fixed section to the free end and is arranged to ensure a high velocity of the gas stream at the lance outlet.
The mounting block 2 consists of three parts, namely a first mounting block 12 close to the spinneret plate 8, a second mounting block 11 far away from the spinneret plate 8 and a third mounting block 13 in the middle; the second air duct 14 is disposed on the second mounting block 11, and the third mounting block 13 is a thermal insulation material layer. A third installation block made of heat insulation materials is arranged between the first installation block and the second installation block, so that excessive heat of the electric heating element is prevented from being transmitted into the second air channel, the temperature of air flow at the spray pipe is influenced, and the forming speed of the electric heating element is further influenced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.
Claims (5)
1. The non-woven fabric melt-blowing die head is characterized in that: the die head comprises a die head main body (1) and a spinneret plate (8), wherein a mounting groove for mounting the spinneret plate (8) is formed in the middle of the die head main body (1), bosses (17) matched with the mounting groove are formed in two sides of the spinneret plate (8), and the spinneret plate (8) is connected in the mounting groove in a sliding mode through the bosses (17); a material spraying cavity (7) is formed in the spinneret plate (8), a plurality of spinneret orifices (9) communicated with the material spraying cavity (7) are formed in the top surface of the spinneret plate along the length direction, and a feeding channel (3) communicated with the material spraying cavity (7) of the spinneret plate (8) is formed below the mounting groove of the die head main body (1); grooves (23) are formed in the die head main body (1) and located on two sides of the spinneret plate (8), mounting blocks (2) are arranged in the grooves (23), a gap is formed between each mounting block (2) and the side wall of the spinneret plate (8), first air channels (16) located on two sides of the spinneret plate (8) are formed in the gap, and an electric heating element (10) is embedded in one side, close to the spinneret plate (8), of each mounting block (2); a second air duct (14) is arranged on one side, far away from the spinneret plate (8), of the mounting block (2), and the end part of the second air duct (14) is connected with a plurality of spray pipes (15) inclined towards the spinneret hole (9); the die head is characterized in that the die head main body (1) is provided with a plurality of first air pipes (6) and second air pipes (5) which are arranged along the length direction, the first air pipes (6) and the second air pipes (5) are arranged in a V shape, the intersection of the first air pipes (6) and the second air pipes (5) is connected with a main air pipe (4) which is used for being communicated with an external pressure air source, and the other ends of the first air pipes (6) and the second air pipes (5) are respectively communicated with the first air channel (16) and the second air channel (14).
2. The nonwoven meltblown die of claim 1, wherein: the mounting block (2) consists of three parts, namely a first mounting block (12) close to the spinneret plate (8), a second mounting block (11) far away from the spinneret plate (8) and a third mounting block (13) positioned in the middle; the second air duct (14) is arranged on the second mounting block (11), and the third mounting block (13) is a heat insulation material layer.
3. The nonwoven meltblown die of claim 1, wherein: the diameter of the nozzle (15) decreases from the fixed section to the free end.
4. The nonwoven meltblown die of claim 1, wherein: a plurality of arc-shaped grooves (22) distributed along the length direction are formed in the outer side of the boss (17); the die head main body (1) is provided with positioning assemblies which correspond to the arc-shaped grooves (22) one by one; the positioning assembly comprises a stepped groove (20) formed in the die head main body (1), an arc-shaped clamping head (18) matched with the arc-shaped groove (22), and a limiting disc (19) positioned in a large hole of the stepped groove (20) and connected with the arc-shaped clamping head (18); this ladder groove (20) through its tip with the mounting groove intercommunication, arc dop (18) can be followed pass in and out in ladder groove (20), spacing dish (19) with be provided with reset spring (21) between ladder groove (20), this reset spring (21) will arc dop (18) are ejecting ladder groove (20), thereby the chucking is in arc groove (22), when pressing this arc dop (18), this arc dop (18) can all be submerged in ladder groove (20).
5. The nonwoven meltblown die of claim 1, wherein: the distance between the mounting block (2) and the spinneret plate (8) in the first air duct (16) is smaller from an air flow inlet to an air flow outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221478161.8U CN218262845U (en) | 2022-06-14 | 2022-06-14 | Non-woven fabric melt-blowing die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221478161.8U CN218262845U (en) | 2022-06-14 | 2022-06-14 | Non-woven fabric melt-blowing die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218262845U true CN218262845U (en) | 2023-01-10 |
Family
ID=84758356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221478161.8U Active CN218262845U (en) | 2022-06-14 | 2022-06-14 | Non-woven fabric melt-blowing die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218262845U (en) |
-
2022
- 2022-06-14 CN CN202221478161.8U patent/CN218262845U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111826724B (en) | Melt-blown mechanism of special air-jet spinning system for melt-blown superfine fiber | |
| CN218262845U (en) | Non-woven fabric melt-blowing die head | |
| CN111593485A (en) | Hot runner type non-woven fabric melt-blowing die | |
| CN108716023A (en) | A kind of meltblown beam prepared for nanofiber | |
| CN202610403U (en) | Extruding die for producing non-woven cloth by melt blown method | |
| US5607701A (en) | Tubular meltblowing die | |
| CN210651939U (en) | Air-jet cooling type hot melting device | |
| CN212477065U (en) | Melt-blown mould | |
| CN212771070U (en) | Heating temperature device for melt-blown cloth nozzle | |
| CN212451761U (en) | Extrusion die head for melt-blown molten polymer | |
| CN213951430U (en) | Melt-blown die | |
| CN214244694U (en) | Clothes hanger type melt-blown fabric mould | |
| CN212655888U (en) | Novel small and medium-sized melt-blowing die head | |
| CN213061117U (en) | Nozzle for guiding and spinning melt-blown fabric | |
| CN209307520U (en) | Non-woven spinning die head | |
| CN214361854U (en) | Melt-blown fabric mould | |
| CN212451760U (en) | Melt-blown die head | |
| CN111593489B (en) | Melt-blown die | |
| CN217351637U (en) | Spinneret plate for producing differential regenerated polyester fibers | |
| JP2017145529A (en) | Nonwoven fabric production apparatus and nonwoven fabric production method | |
| CN112453684A (en) | Cooling device applied to ultrasonic welding machine | |
| CN213570836U (en) | High-efficiency spinneret plate | |
| CN112176437A (en) | Intelligent energy-saving melt-blown fabric manufacturing device based on thermal cycle | |
| CN216330108U (en) | 3D printing structure of high-efficient cooling nozzle | |
| CN213507298U (en) | Spout melting die runner stagnant valve structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |