CN213835800U - Non-woven fabric manufacturing equipment - Google Patents
Non-woven fabric manufacturing equipment Download PDFInfo
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- CN213835800U CN213835800U CN202022746985.6U CN202022746985U CN213835800U CN 213835800 U CN213835800 U CN 213835800U CN 202022746985 U CN202022746985 U CN 202022746985U CN 213835800 U CN213835800 U CN 213835800U
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Abstract
The utility model discloses a non-woven fabric manufacturing device, which comprises a melt-blowing die head, a metal mesh forming cylinder, a negative pressure bin and an air inlet pipeline, wherein the melt-blowing die head and the metal mesh forming cylinder are both arranged in the negative pressure bin, and a material wire movement space is arranged between the melt-blowing die head and the metal mesh forming cylinder; the air inlet pipeline is provided with a pipeline air inlet and a pipeline air outlet, the pipeline air inlet is arranged outside the negative pressure bin, and the pipeline air outlet is communicated with the material wire movement space. The outside air can flow to the wire movement space through the air inlet pipeline under the negative pressure effect of the negative pressure bin, and the wire is cooled. The negative pressure bin and the air inlet pipeline can stabilize cooling air flow, and the forming quality of the non-woven fabric can be improved; the material silk can effectively avoid being polluted when the material silk is formed in the negative pressure bin, thereby improving the cleanliness of the non-woven fabric forming process and the forming quality of the non-woven fabric.
Description
Technical Field
The utility model relates to a textile manufacturing technical field, in particular to air laid technical field.
Background
Non-woven fabrics, also called non-woven fabrics and melt-blown fabrics, are made by blowing polypropylene in a molten state with high-pressure hot air, cooling the polypropylene in the blowing process, and forming fabrics through filaments, which are also called as melt-blown fabrics. The melt-blown non-woven process is to utilize high speed hot air to draw the polymer melt flow extruded from the nozzle of the melt-blown die head so as to form superfine fiber filament, which is coagulated on a coagulation net curtain or a metal net forming cylinder and adhered to form non-woven fabric.
The manufacturing process of the non-woven fabric mainly comprises the following steps: preparing a polymer in a charging barrel, carrying out melt extrusion in an extrusion screw, metering by a metering pump, forming hot air by air heating equipment, an air compressor, a Roots blower or a centrifugal compressor and other blowing equipment, drawing a melt trickle in a melt-blowing die head, blowing the melt trickle into material filaments by the hot air, cooling the material filaments into non-woven fabrics in the process of driving the material filaments to a metal mesh forming barrel by the hot air, and collecting the non-woven fabrics and the like on a winding head. The wire forming cylinder is a cylindrical structure made of a metal mesh, and an air flow can flow through the wall surface of the wire forming cylinder and generally rolls during manufacture to continuously collect the wire.
The material filaments are cooled in the process from the melt-blowing die head to the metal mesh forming cylinder, and the cooling mode generally comprises natural cooling and fan blowing cooling, but the cooling efficiency of the natural cooling is not high. The cooling of the fan easily leads to the non-woven fabric to float or generate folds during the forming, and the forming quality of the non-woven fabric is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a non-woven fabric manufacturing equipment to improve the shaping quality of non-woven fabrics.
In order to achieve the purpose, the utility model discloses realize according to following technical scheme:
a non-woven fabric manufacturing device comprises a melt-blowing die head, a metal mesh forming cylinder, a negative pressure bin and an air inlet pipeline, wherein the melt-blowing die head and the metal mesh forming cylinder are both arranged in the negative pressure bin, and a material yarn moving space is arranged between the melt-blowing die head and the metal mesh forming cylinder; the air inlet pipeline is provided with a pipeline air inlet and a pipeline air outlet, the pipeline air inlet is arranged outside the negative pressure bin, and the pipeline air outlet is communicated with the material wire movement space.
Preferably, the air inlet pipeline comprises two pipeline air outlets, and the two pipeline air outlets are respectively arranged on two sides of the wire movement space.
Preferably, a gas cooling device is arranged on the air inlet pipeline.
Preferably, the gas cooling device is provided as a refrigerator, and the refrigerator is provided outside the negative pressure bin.
Preferably, the non-woven fabric manufacturing equipment further comprises suction equipment for sucking the gas in the negative pressure bin, and the suction equipment comprises a suction air inlet which is arranged in the metal mesh forming cylinder.
Preferably, the non-woven fabric manufacturing equipment further comprises air heating equipment connected with the melt-blowing die head; the suction device further comprises a suction air outlet, and the suction air outlet is connected with the air heating device.
Preferably, the suction device is provided as a vacuum pump.
Preferably, the non-woven fabric manufacturing equipment further comprises a gas collecting groove arranged in the metal mesh forming cylinder, the gas collecting groove comprises a collecting section for collecting gas, the collecting section is arranged at a notch of the gas collecting groove, and a groove body air outlet is formed in the end portion of the gas collecting groove.
Preferably, the non-woven fabric manufacturing apparatus further includes a fixing groove provided along an extending direction of the gas collecting groove, the gas collecting groove is embedded in the fixing groove, a notch of the fixing groove abuts against an outer side of a groove wall of the gas collecting groove, and an accommodating space is provided between an inner side surface of the groove wall of the fixing groove and an outer side surface of the groove wall of the gas collecting groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the outside air can flow to the wire movement space through the air inlet pipeline under the negative pressure effect of the negative pressure bin, and the wire is cooled. The negative pressure bin and the air inlet pipeline can stabilize cooling air flow, and the forming quality of the non-woven fabric can be improved; the material silk can effectively avoid being polluted when the material silk is formed in the negative pressure bin, thereby improving the cleanliness of the non-woven fabric forming process and the forming quality of the non-woven fabric.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic perspective view of a non-woven fabric manufacturing apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic composition diagram of an embodiment of the non-woven fabric manufacturing apparatus of the present invention.
Fig. 3 is a schematic perspective view of the gas collecting tank in the embodiment of the non-woven fabric manufacturing apparatus of the present invention.
Fig. 4 is a schematic structural view of a metal mesh forming cylinder, a fixing groove and a gas collecting groove in an embodiment of the non-woven fabric manufacturing apparatus of the present invention.
Fig. 5 is a schematic cross-sectional view of a metal mesh forming cylinder, a fixing groove, and a gas collecting groove in an embodiment of the non-woven fabric manufacturing apparatus of the present invention.
Fig. 6 is a front view of the metal mesh forming cylinder, the fixing groove, and the gas collecting groove in the embodiment of the non-woven fabric manufacturing apparatus of the present invention.
Wherein:
1-suction equipment, 11-suction air inlet, 12-suction air outlet, 2-gas gathering tank, 21-gathering section, 22-tank body air outlet, 3-fixing tank, 31-accommodating space, cooling circulation loop 32, fluid discharge pipe 321, fluid discharge pipe 322, circulation driving device 323, 4-metal mesh forming cylinder, 5-air heating equipment, 6-melt-blowing die head, 61-strand movement space, 7-negative pressure bin, 8-air inlet pipeline, 81-pipeline air inlet, 82-pipeline air outlet and 83-gas cooling device.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 6, this is an embodiment of the invention, specifically: a non-woven fabric manufacturing device comprises a melt-blowing die head 6, a metal mesh forming cylinder 4, a negative pressure bin 7 and an air inlet pipeline 8, wherein the melt-blowing die head 6 and the metal mesh forming cylinder 4 are both arranged in the negative pressure bin 7, and a material yarn moving space 61 is arranged between the melt-blowing die head 6 and the metal mesh forming cylinder 4; the air inlet pipeline 8 is provided with a pipeline air inlet 81 and a pipeline air outlet 82, the pipeline air inlet 81 is arranged outside the negative pressure bin 7, and the pipeline air outlet 82 is communicated with the material wire movement space 61. The negative pressure bin 7 is a container with negative pressure inside, and in this embodiment, the part contained by the negative pressure bin 7 comprises a melt-blowing die head 6 and a metal mesh forming cylinder 4. At this time, since the outside of the negative pressure bin 7 is the standard atmospheric pressure, the standard atmospheric pressure and the negative pressure in the negative pressure bin 7 act with each other, so that the outside air is brought into the negative pressure bin 7, and the filaments of the non-woven fabric can be cooled. Because the melt-blown die head 6 and the metal mesh forming cylinder 4 are both arranged in the negative pressure bin 7, the pipeline air outlet 82 is communicated with the material silk movement space 61, and the pipeline air outlet 82 of the air inlet pipeline 8 is arranged in the negative pressure bin 7, namely the air inlet pipeline 8 extends from the inside of the negative pressure bin 7 to the outside.
Example 2
Different from embodiment 1, the air inlet duct 8 includes two duct air outlets 82, and the two duct air outlets 82 are respectively disposed on two sides of the filament movement space 61. Both sides in charge of silk movement space 61 all are equipped with pipeline air outlet 82 for the charge of silk atress is more even in the motion process, avoids the charge of silk to produce unnecessary tractive power at the in-process of adhesion to metal mesh forming cylinder 4, improves the shaping quality of non-woven fabrics. As shown in fig. 1, the actual meltblowing die head 6 is generally elongated, and a row of nozzles is arranged thereon, so that the duct outlet 82 may be provided in plural and the plural duct outlets 82 may be provided on both sides of the filament movement space 61 in one-to-one correspondence. As shown in fig. 1, four duct outlets 82 are formed in two pairs, and two duct outlets in each pair are respectively disposed at two sides of the filament space 61.
Example 3
Unlike embodiment 2, the air inlet duct 8 is provided with an air cooling device 83. The gas cooling device reduces the temperature of the outside gas and improves the cooling speed of the material wires; compared with a cold air device, the negative pressure bin 7 in the scheme provides partial power for conveying low-temperature gas, and energy consumption for conveying the low-temperature gas is reduced.
Example 4
Unlike embodiment 3, the gas cooling device 83 is provided as a refrigerator, and the refrigerator is provided outside the negative pressure chamber 7. The refrigerator is a mechanical device for achieving low-temperature refrigeration by changing pressure change of refrigerant gas through a compressor, and is used for manufacturing low-temperature gas in the embodiment. The refrigerator is arranged outside the negative pressure bin 7, so that the adverse effect of the waste gas of the refrigerator on the forming quality of the non-woven fabric can be effectively reduced.
Example 5
Different from the embodiment 1, the nonwoven fabric manufacturing apparatus further includes a suction apparatus 1 for sucking the gas in the negative pressure bin 7, and the suction apparatus 1 includes a suction inlet 11, and the suction inlet 11 is provided in the metal mesh forming cylinder 4. The suction air inlet 11 is arranged in the metal mesh forming cylinder 4, can suck the material wires of the non-woven fabric into the metal mesh forming cylinder 4, and simultaneously enables the air at the pipeline air outlet 82 to flow to the material wires, so that the non-woven fabric material wires are accurately and efficiently cooled.
As a further preferred embodiment, the nonwoven fabric manufacturing apparatus further comprises an air heating apparatus 5 connected to the meltblowing die 6; the suction device 1 further comprises a suction air outlet 12, the suction air outlet 12 being connected to the air heating device 5. The suction air outlet 12 is connected with air heating equipment, so that the suction equipment 1 can absorb the material filaments and cooling gas and recycle the residual heat of the air flow sprayed by the melt-blowing die head 6.
As a further preferred embodiment, the suction device 1 is provided as a vacuum pump.
As a further preferred embodiment, the non-woven fabric manufacturing equipment further comprises a gas collecting tank 2 arranged in the metal mesh forming cylinder 4, the gas collecting tank 2 comprises a collecting section 21 for collecting gas, the collecting section 21 is arranged at the notch of the gas collecting tank 2, and the end part of the gas collecting tank 2 is provided with a tank body air outlet 22. Through setting up gas collection groove 2, can retrieve hot-blast more, reduce the overflow of hot-blast from metal mesh forming cylinder to the surrounding environment, improve hot-blast recovery efficiency.
As a further preferred embodiment, the collecting section 21 tapers in the direction of the bottom of the gas collecting channel 2. By arranging the collecting section 21, the gas collecting groove 2 can collect more hot air sprayed out of the melt-blowing die head, and the recovery efficiency is further improved.
In a further preferred embodiment, the gas collecting tank 2 further includes a divergent section 23 connected to the convergent section 21, the convergent section 21 and the divergent section 23 are sequentially provided in a direction approaching the bottom of the gas collecting tank 2, and the divergent section 23 is gradually enlarged in a direction approaching the bottom of the gas collecting tank 2. By arranging the divergent section 23, the flow velocity of the collected hot air is slowed down in the divergent section 23, the rebound force of the hot air after impacting the bottom of the gas collecting groove 2 is reduced, and the phenomenon that the hot air at the bottom obstructs the entering of new hot air is reduced. As shown in fig. 3, 5, and 6, the gas collecting groove 2 in the present embodiment has a wine bottle shape as a whole in cross section.
Further, in a preferred embodiment, both ends of the gas collecting tank 2 are provided with tank body air outlets 22. Both ends of the gas collecting groove 2 are provided with groove body air outlets 22 which can be used for being connected with two suction air inlets 11, thereby improving the efficiency of outputting hot air from the gas collecting groove 2 and reducing the heat loss of the hot air in the conveying process.
In a further preferred embodiment, the bottom of the gas collection groove 2 is set to be lower at both ends and higher in the middle in the direction of extension of the gas collection groove 2. The tank body air outlets 22 at the two ends of the gas collecting tank 2 are connected with the suction air inlet 11, and pressure drop can be formed in the gas collecting tank 2; through the tank bottom that gathers the groove 2 with gas set up to both ends low and middle height for the pressure drop of gas gathering 2 inside of groove is more balanced, and the inside negative pressure of gas gathering 2 is more balanced promptly, and the outside pressure of a metal mesh shaping section of thick bamboo 4 is the same, and can provide more similar adsorption affinity for the material silk that falls on a metal mesh shaping section of thick bamboo 4, can make the ready-made cloth quality of non-woven fabrics more even.
In a further preferred embodiment, the width of the gas collecting groove 2 is set to be large at both ends and small in the middle in the extending direction of the gas collecting groove 2, thereby further improving the negative pressure balance degree in the gas collecting groove 2. The gas collecting groove 2 has a structure as shown in fig. 3, 5, and 6, in which the groove bottom of the gas collecting groove 2 is set to have two ends low and a middle high along the extending direction of the gas collecting groove 2, the groove width of the gas collecting groove 2 is set to have two ends large and a middle small along the extending direction of the gas collecting groove 2, and the gas collecting groove 2 is waist-drum-shaped as a whole, particularly, the lower half portion, as shown in fig. 3.
As a further preferred embodiment, the nonwoven fabric manufacturing apparatus further includes a fixing groove 3 provided along the extending direction of the gas collecting groove 2, the gas collecting groove 2 is fitted into the fixing groove 3, a notch of the fixing groove 3 abuts against the outer side of the groove wall of the gas collecting groove 2, and an accommodating space 31 is provided between the inner side surface of the groove wall of the fixing groove 3 and the outer side surface of the groove wall of the gas collecting groove 2. Since the hot air reaching the metal mesh forming cylinder 4 still has a certain high temperature, the accommodating space 31 can be used for accommodating cooling liquid such as water, thereby reducing adverse effects of the hot air on the equipment and adverse effects of residual heat of the hot air on the cloth forming quality of the non-woven fabric. The notch of fixed slot 3 and the cell wall accessible welding of gaseous groove 2 of gathering realize fixedly such as riveting, joint.
Further, as a preferred embodiment, the nonwoven fabric manufacturing apparatus further includes a metal mesh forming cylinder 4, and a rotating body 41, the fixing groove 3 is provided in the metal mesh forming cylinder 4, the rotating body 41 is provided between an outer wall surface of the fixing groove 3 and an inner wall surface of the metal mesh forming cylinder 4, and the rotating body 41 is in contact with the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4, respectively. As shown in fig. 4, the rotating body 41 may be provided in the form of balls, rollers, or the like, and effects rotation of the wire forming drum 4 in the circumferential direction during the cloth forming process.
In a further preferred embodiment, a thermal insulation layer is provided on the wall of the gas collection tank 2. Through setting up the insulating layer, when can holding the coolant liquid in accommodation space 31, reduce the influence of coolant liquid to the hot-blast in the gaseous gathering groove 2, reduce the loss of hot-blast remaining heat energy, effectively guarantee the cooling of coolant liquid to fixed slot 3, metal mesh shaping section of thick bamboo 4, rotor 41 isotructure simultaneously. The heat insulating layer may be formed by attaching a heat insulating film to the inner wall surface of the gas collecting tank 2, by providing a heat insulating composite layer, or the like.
Example 6
As shown in fig. 1 to 6, this is an embodiment of the invention, specifically: a non-woven fabric manufacturing device comprises a melt-blowing die head 6, a metal mesh forming cylinder 4, a negative pressure bin 7 and an air inlet pipeline 8, wherein the melt-blowing die head 6 and the metal mesh forming cylinder 4 are both arranged in the negative pressure bin 7, and a material yarn moving space 61 is arranged between the melt-blowing die head 6 and the metal mesh forming cylinder 4; the air inlet pipeline 8 is provided with a pipeline air inlet 81 and a pipeline air outlet 82, the pipeline air inlet 81 is arranged outside the negative pressure bin 7, and the pipeline air outlet 82 is communicated with the material wire movement space 61. The negative pressure bin 7 is a container with negative pressure inside, and the contained part in the embodiment comprises a melt-blowing die head 6 and a metal mesh forming cylinder 4. At this time, the outside of the negative pressure bin 7 is at the standard atmospheric pressure. The air inlet duct 8 includes two duct air outlets 82, and the two duct air outlets 82 are respectively disposed on two sides of the wire movement space 61. The air inlet duct 8 is provided with a gas cooling device 83, the gas cooling device 83 is provided as a refrigerator, and the refrigerator is provided outside the negative pressure chamber 7. The refrigerator is a mechanical device for achieving low-temperature refrigeration by changing pressure change of refrigerant gas through a compressor, and is used for manufacturing low-temperature gas in the embodiment.
The non-woven fabric manufacturing equipment further comprises suction equipment 1 for sucking gas in the negative pressure bin 7, wherein the suction equipment 1 comprises a suction air inlet 11, and the suction air inlet 11 is arranged in the metal mesh forming cylinder 4. The non-woven fabric manufacturing equipment also comprises air heating equipment 5 connected with the melt-blowing die head 6; the suction device 1 further comprises a suction air outlet 12, the suction air outlet 12 being connected to the air heating device 5. The suction device 1 is provided as a vacuum pump. The suction air inlet 11 can be arranged as a direct inlet of the suction device 1, or can be arranged as a pipeline inlet after the direct inlet of the suction device 1 is connected with a pipeline; similarly, the suction air outlet 12 may be a direct outlet of the suction device 1, or may be a pipeline outlet after the direct outlet of the suction device 1 is connected to a pipeline.
Both ends of the gas collecting groove 2 are provided with groove body air outlets 22, the suction equipment 1 comprises two suction air inlets 11, and the two suction air inlets 11 are respectively connected with the groove body air outlets 22 at both ends of the gas collecting groove 2. The non-woven fabric manufacturing equipment comprises a gas collecting groove 2 arranged in a metal mesh forming cylinder 4, wherein the gas collecting groove 2 comprises a collecting section 21 used for collecting gas, the collecting section 21 is arranged at the notch of the gas collecting groove 2, and the end part of the gas collecting groove 2 is provided with a groove body air outlet 22. The collecting section 21 tapers in the direction of the bottom of the gas collecting channel 2. The gas collecting tank 2 further comprises a gradually expanding section 23 connected with the collecting section 21, the collecting section 21 and the gradually expanding section 23 are sequentially arranged along the direction close to the bottom of the gas collecting tank 2, and the gradually expanding section 23 is gradually expanded along the direction close to the bottom of the gas collecting tank 2. As shown in fig. 3, 5, and 6, the gas collecting groove 2 in the present embodiment has a wine bottle shape as a whole in cross section.
The bottom of the gas collecting groove 2 is set to be low at both ends and high in the middle along the extending direction of the gas collecting groove 2, and the width of the gas collecting groove 2 is set to be large at both ends and small in the middle along the extending direction of the gas collecting groove 2. The gas collecting tank 2 has a structure as shown in fig. 3, 5, and 6, in which the bottom of the gas collecting tank 2 is set to have two ends low and a middle high along the extending direction of the gas collecting tank 2, the width of the gas collecting tank 2 is set to have two ends large and a middle small along the extending direction of the gas collecting tank 2, and the gas collecting tank 2 is waist-drum-shaped as a whole, particularly, the lower half. The wall of the gas collecting groove 2 is provided with a heat insulation layer. The heat insulating layer may be formed by attaching a heat insulating film to the inner wall surface of the gas collecting tank 2, by using a heat insulating composite layer, or the like.
The non-woven fabric manufacturing equipment further comprises a fixing groove 3 arranged along the extending direction of the gas collecting groove 2, the gas collecting groove 2 is embedded in the fixing groove 3, the notch of the fixing groove 3 is abutted against the outer side of the groove wall of the gas collecting groove 2, and an accommodating space 31 is formed between the inner side surface of the groove wall of the fixing groove 3 and the outer side surface of the groove wall of the gas collecting groove 2. The both ends accessible of fixed slot 3 sets up forms such as apron, and the both ends of plugging up accommodation space. The notch of fixed slot 3 and the cell wall accessible welding of gaseous groove 2 of gathering realize fixedly such as riveting, joint.
The non-woven fabric manufacturing equipment further comprises a metal mesh forming cylinder 4 and a rotating body 41, wherein the fixing groove 3 is arranged in the metal mesh forming cylinder 4, the rotating body 41 is arranged between the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4, and the rotating body 41 is respectively abutted against the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4. As shown in fig. 4, the rotating body 41 may be provided in the form of balls, rollers, or the like, and effects rotation of the wire forming drum 4 in the circumferential direction during the cloth forming process. It is easily conceivable that the gas collecting channel 2 is provided with a corresponding rotary avoiding structure.
As shown in fig. 6, the nonwoven fabric manufacturing apparatus further includes a cooling circulation circuit 32, the cooling circulation circuit 32 includes a fluid inlet pipe 321, a fluid outlet pipe 322, and a circulation driving device 323, both ends of the fluid inlet pipe 321 are respectively communicated with the accommodating space 31 and the circulation driving device 323, and both ends of the fluid outlet pipe 322 are respectively communicated with the accommodating space 31 and the circulation driving device 323. The cooling liquid in the accommodating space 31 can be circulated through the cooling circulation loop 32, and the situation that the cooling liquid is too high in temperature to achieve a cooling effect in a continuous cooling process is avoided. Naturally, the fluid discharge pipe 322 or the fluid discharge pipe 321 may be connected to a cooling pool or other heat dissipation device to dissipate heat absorbed by the cooling fluid, so as to prevent the cooling fluid from being heated. The circulation driving means 323 may be provided as a water pump.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (9)
1. The non-woven fabric manufacturing equipment is characterized by comprising a melt-blowing die head, a metal mesh forming cylinder, a negative pressure bin and an air inlet pipeline, wherein the melt-blowing die head and the metal mesh forming cylinder are both arranged in the negative pressure bin, and a material yarn moving space is arranged between the melt-blowing die head and the metal mesh forming cylinder; the air inlet pipeline is provided with a pipeline air inlet and a pipeline air outlet, the pipeline air inlet is arranged outside the negative pressure bin, and the pipeline air outlet is communicated with the material wire movement space.
2. The non-woven fabric manufacturing apparatus according to claim 1, wherein the air inlet duct includes two duct outlets respectively provided at both sides of the filament movement space.
3. The nonwoven fabric manufacturing apparatus according to claim 1 or 2, wherein a gas cooling device is provided on the air inlet duct.
4. The nonwoven fabric manufacturing apparatus according to claim 3, wherein the gas cooling device is provided as a refrigerator, and the refrigerator is provided outside the negative pressure chamber.
5. The nonwoven fabric manufacturing apparatus of claim 1, further comprising a suction apparatus for sucking the gas in the negative pressure chamber, the suction apparatus including a suction inlet, the suction inlet being provided in the metal mesh forming cylinder.
6. The nonwoven fabric manufacturing apparatus of claim 5, further comprising an air heating apparatus connected to the meltblowing die; the suction device further comprises a suction air outlet, and the suction air outlet is connected with the air heating device.
7. The nonwoven fabric manufacturing apparatus according to claim 6, wherein the suction apparatus is provided as a vacuum pump.
8. The non-woven fabric manufacturing equipment according to claim 6 or 7, further comprising a gas collecting groove arranged in the metal mesh forming cylinder, wherein the gas collecting groove comprises a collecting section for collecting gas, the collecting section is arranged at a notch of the gas collecting groove, and a groove body air outlet is formed in the end part of the gas collecting groove.
9. The apparatus according to claim 8, further comprising a fixing groove provided along an extending direction of the gas collecting groove, wherein the gas collecting groove is embedded in the fixing groove, a notch of the fixing groove abuts against an outer side of a groove wall of the gas collecting groove, and an accommodating space is provided between an inner side surface of the groove wall of the fixing groove and an outer side surface of the groove wall of the gas collecting groove.
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| CN202022746985.6U CN213835800U (en) | 2020-11-24 | 2020-11-24 | Non-woven fabric manufacturing equipment |
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| CN202022746985.6U CN213835800U (en) | 2020-11-24 | 2020-11-24 | Non-woven fabric manufacturing equipment |
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| CN213835800U true CN213835800U (en) | 2021-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430907A (en) * | 2020-11-24 | 2021-03-02 | 浙江熔聚装备科技有限公司 | Non-woven fabric manufacturing equipment and non-woven fabric manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430907A (en) * | 2020-11-24 | 2021-03-02 | 浙江熔聚装备科技有限公司 | Non-woven fabric manufacturing equipment and non-woven fabric manufacturing method |
| CN112430907B (en) * | 2020-11-24 | 2024-01-26 | 浙江熔聚装备科技有限公司 | Non-woven fabric manufacturing equipment and non-woven fabric manufacturing method |
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