CN214060735U - Melt-blown airflow drafting pipeline - Google Patents
Melt-blown airflow drafting pipeline Download PDFInfo
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- CN214060735U CN214060735U CN202023103716.4U CN202023103716U CN214060735U CN 214060735 U CN214060735 U CN 214060735U CN 202023103716 U CN202023103716 U CN 202023103716U CN 214060735 U CN214060735 U CN 214060735U
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Abstract
The utility model relates to the technical field of non-woven fabric production equipment, in particular to a melt-blown airflow drafting pipeline, which comprises a drafting pipeline body, a central pipe, an air heater, an air compression fan and a drafting cap, wherein the outer side wall of the drafting pipeline body is provided with an air inlet hole, one side of the drafting pipeline body is provided with the air heater, the air outlet of the air heater is connected with the air inlet hole through a first air pipe, the air inlet of the air heater is connected with the air compression fan through a second air pipe, the central pipe is arranged at the inner center of the drafting pipeline body, a sealing plug is arranged between the lower end of the outer side wall of the central pipe and the inner side wall of the drafting pipeline body, a temperature sensor is arranged above the sealing plug at the outer side of the central pipe, the integral device keeps the temperature of the drafting airflow constant, improves the drafting effect and ensures the strength of fiber yarns, the net formation is uniform, and certain popularization value is achieved.
Description
Technical Field
The utility model relates to a non-woven fabric production facility technical field specifically is a melt-blown air current draft pipeline.
Background
The jet spinning technology is a technology for preparing polymer particles or chips into a melt-blown non-woven material by a melt-blown spinning device, and the flow of the melt-blown spinning technology is generally as follows: adding granular slices of polymer from a hopper of a melt-blown spinning device by adopting a melt-blown method, then, under the extrusion and heating action of a high-temperature screw, melting the granular slices into polymer melt, extruding the polymer melt from a spinneret orifice of a melt-blown spinning nozzle under the quantitative output action of a metering pump, blowing and spraying the extruded polymer melt by high-temperature high-speed airflow to be attenuated into melt-blown superfine fibers, receiving, cooling and shaping by a receiving curtain, and forming the melt-blown non-woven material.
When the existing melt-blown airflow draft pipeline is used, airflow is easy to be detained at the corner of the top end inside the draft cap, the airflow draft effect is influenced, the size of an airflow slit area is not convenient to adjust, the produced fiber filament has single specification, the temperature of the draft airflow cannot be monitored, and the constant temperature is difficult to maintain, so that the problem is improved by the melt-blown airflow draft pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a melt-blown air draft pipeline to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a melt-blown airflow draft pipeline comprises a draft pipeline body, a central pipe, an air heater, an air compression fan and a draft cap, wherein an air inlet is formed in the outer side wall of the draft pipeline body, the air heater is arranged on one side of the draft pipeline body, an air outlet of the air heater is connected with the air inlet through a first air pipe, an air inlet of the air heater is connected with the air compression fan through a second air pipe, the central pipe is arranged at the inner center of the draft pipeline body, a sealing plug is arranged between the lower end of the outer side wall of the central pipe and the inner side wall of the draft pipeline body, a temperature sensor is arranged on the outer side of the central pipe and above the sealing plug, a guide plate is arranged between the upper end of the outer side wall of the central pipe and the inner side wall of the draft pipeline body, a guide hole is formed in the guide plate, and a mounting groove is formed in the inner side of the top end of the draft pipeline body, the upper end of the mounting groove is provided with an annular sealing groove, an annular sealing ring is arranged in the annular sealing groove, a drawing cap is arranged in the mounting groove, a drawing nozzle penetrating through the drawing cap is arranged at the center of the drawing cap, and a flow guide cavity is arranged at the top end of the drawing cap.
Preferably, the number of the diversion holes on the diversion plate is six, the cross section of each diversion hole is an isosceles trapezoid, and the diameter of the bottom end of each diversion hole is larger than that of the top end of each diversion hole.
Preferably, the cross section of the bottom end of the drawing nozzle is of an inverted cone structure, and an airflow slit area is formed between the bottom end of the drawing nozzle and the top end of the inner part of the central tube.
Preferably, the inner side and the outer side of the top end of the diversion cavity are both provided with arc transition surfaces.
Preferably, the lower extreme that just is located annular seal groove on the lateral wall of mounting groove is equipped with the internal thread groove, the lateral wall lower extreme of draft cap is equipped with the external thread groove, draft cap threaded connection is in the mounting groove.
Preferably, an air filter is arranged at an air inlet of the air compression fan.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the arranged guide plate and the guide cavity, the air compressor works to transmit high-speed airflow into the air heater through the second air pipe, the air inlet of the air compressor is provided with an air filter for filtering dust particle impurities in the air to avoid blocking the pipeline and polluting fibers, the high-speed airflow is heated by the air heater to form high-temperature high-speed airflow which is transmitted to the drawing pipeline body through the first air pipe and the air inlet hole, six guide holes are uniformly arranged on the guide plate, the cross section of each guide hole is isosceles trapezoid, the diameter of the bottom end of each guide hole is larger than that of the top end, the flow velocity of the airflow entering the guide cavity is improved, the inner side and the outer side of the top end of the guide cavity are both provided with arc transition surfaces, the airflow can not be detained at the corners, and the airflow can be conveniently guided to enter the central pipe from the airflow slit area, the fiber yarns sprayed by the drafting nozzles are drafted under the driving of high-speed air flow, so that the strength of the fiber yarns is ensured, and the web formation is uniform.
2. The utility model discloses in, through the draft cap threaded connection who sets up in the mounting groove, the interval at draft nozzle bottom and center tube top can be adjusted to the draft cap of rotating, thereby change the size in air current slit district, the air input of adjustment draft air current, be convenient for produce the cellosilk of different specifications, and through having seted up the annular seal groove on the mounting groove is inside, be equipped with ring seal in the annular seal groove, improve the sealing performance of draft cap and this body coupling department of draft pipeline, avoid the air current to leak, through the temperature sensor who sets up, can monitor the temperature of draft air current in the center tube, thereby carry out temperature regulation to air heater, thereby make the temperature maintenance of draft air current invariable, improve the draft effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the draft tube body of the present invention;
fig. 3 is an enlarged schematic view of the structure of the area a of the present invention.
In the figure: 1. a draft tube body; 2. sealing the plug; 3. a temperature sensor; 4. a central tube; 5. an air inlet; 6. a first gas delivery pipe; 7. an air heater; 8. a second gas delivery pipe; 9. an air compression fan; 10. a baffle; 11. a flow guide hole; 12. a drafting cap; 13. a drawing nozzle; 14. a flow-directing chamber; 15. Mounting grooves; 16. an annular seal groove; 17. an annular seal ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a melt-blown airflow draft pipeline comprises a draft pipeline body 1, a central pipe 4, an air heater 7, an air compressor fan 9 and a draft cap 12, wherein an air inlet 5 is formed in the outer side wall of the draft pipeline body 1, the air heater 7 is arranged on one side of the draft pipeline body 1, the air outlet of the air heater 7 is connected with the air inlet 5 through a first air pipe 6, the air inlet of the air heater 7 is connected with the air compressor fan 9 through a second air pipe 8, an air filter is arranged at the air inlet of the air compressor fan 9, the central pipe 4 is arranged at the inner center of the draft pipeline body 1, a sealing plug 2 is arranged between the lower end of the outer side wall of the central pipe 4 and the inner side wall of the draft pipeline body 1, a temperature sensor 3 is arranged on the outer side of the central pipe 4 above the sealing plug 2, and a guide plate 10 is arranged between the upper end of the outer side wall of the central pipe 4 and the inner side wall of the draft pipeline body 1, the guide plate 10 is provided with guide holes 11, the guide holes 11 are annularly provided with six on the guide plate 10 at equal intervals, the cross section of each guide hole 11 is isosceles trapezoid, the diameter of the bottom end of each guide hole 11 is larger than that of the top end, the inner side of the top end of the draft pipeline body 1 is provided with a mounting groove 15, the upper end side wall of the mounting groove 15 is provided with an annular sealing groove 16, an annular sealing ring 17 is arranged in the annular sealing groove 16, a draft cap 12 is arranged in the mounting groove 15, the lower end of the outer side wall of the draft cap 12, which is positioned on the side wall of the mounting groove 15, is provided with an inner thread groove, the lower end of the outer side wall of the draft cap 12 is provided with an outer thread groove, the draft cap 12 is in threaded connection with the mounting groove 15, the center of the draft cap 12 is provided with a draft nozzle 13 penetrating through the draft cap 12, the cross section of the bottom end of the draft nozzle 13 is of an inverted cone structure, and an air flow slit area is formed between the bottom end of the draft nozzle 13 and the inner top end of the central tube 4, the top end of the interior of the drafting cap 12 is provided with a flow guide chamber 14, and the inner side and the outer side of the top end of the flow guide chamber 14 are both provided with arc transition surfaces.
The utility model discloses work flow: when in use, the air compressor blower 9 works to transmit high-speed airflow into the air heater 7 through the second air pipe 8, an air filter is arranged at an air inlet of the air compressor blower 9 to filter dust particle impurities in the air and avoid blocking the pipeline and polluting fibers, the high-speed airflow is heated by the air heater 7 to form high-temperature high-speed airflow which is transmitted to the draft pipeline body 1 through the first air pipe 6 and the air inlet 5, six diversion holes 11 are uniformly formed in the diversion plate 10, the cross sections of the diversion holes 11 are isosceles trapezoids, the diameter of the bottom ends of the diversion holes 11 is larger than that of the top ends, the flow velocity of the airflow entering the diversion chamber 14 is improved, arc transition surfaces are arranged on the inner side and the outer side of the top ends of the diversion chamber 14, the airflow is not detained, and the airflow is conveniently guided to enter the central pipe 4 from the airflow slit area, the fiber yarn sprayed from the drafting nozzle 13 is drafted under the drive of high-speed airflow, the drafting cap 12 is connected in the mounting groove 15 in a threaded manner, the distance between the bottom of the drafting nozzle 13 and the top of the central tube 4 can be adjusted by rotating the drafting cap 12, so that the size of an airflow slit area is changed, the air input of the drafting airflow is adjusted, the fiber yarn with different specifications can be conveniently produced, an annular sealing groove 16 is formed in the mounting groove 15, an annular sealing ring 17 is arranged in the annular sealing groove 16, the sealing performance of the joint of the drafting cap 12 and the drafting pipeline body 1 is improved, the airflow leakage is avoided, the temperature of the drafting airflow in the central tube 4 can be monitored by the arranged temperature sensor 3, so that the temperature of the air heater 7 is adjusted, the temperature of the drafting airflow is kept constant, the drafting effect is improved, the strength of the fiber yarn is ensured, and the web formation is uniform, has certain popularization value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a melt-blown air draft pipeline, includes draft pipeline body (1), center tube (4), air heater (7), air compressor fan (9) and draft cap (12), its characterized in that: an air inlet hole (5) is formed in the outer side wall of the drafting pipeline body (1), an air heater (7) is arranged on one side of the drafting pipeline body (1), an air outlet of the air heater (7) is connected with the air inlet hole (5) through a first air pipe (6), an air inlet of the air heater (7) is connected with an air compression fan (9) through a second air pipe (8), a central pipe (4) is arranged at the center of the interior of the drafting pipeline body (1), a sealing plug (2) is arranged between the lower end of the outer side wall of the central pipe (4) and the inner side wall of the drafting pipeline body (1), a temperature sensor (3) is arranged above the sealing plug (2) on the outer side of the central pipe (4), a guide plate (10) is arranged between the upper end of the outer side wall of the central pipe (4) and the inner side wall of the drafting pipeline body (1), the draft tube is characterized in that a draft hole (11) is formed in the guide plate (10), a mounting groove (15) is formed in the inner side of the top end of the draft tube body (1), an annular sealing groove (16) is formed in the upper end side wall of the mounting groove (15), an annular sealing ring (17) is arranged in the annular sealing groove (16), a draft cap (12) is arranged in the mounting groove (15), a draft nozzle (13) penetrating through the draft cap (12) is arranged at the center of the draft cap (12), and a draft cavity (14) is formed in the inner top end of the draft cap (12).
2. The meltblown gas stream drawing conduit of claim 1, further comprising: the flow guide holes (11) are arranged on the flow guide plate (10) in an equidistant mode, the cross section of each flow guide hole (11) is isosceles trapezoid, and the diameter of the bottom end of each flow guide hole (11) is larger than that of the top end of each flow guide hole.
3. The meltblown gas stream drawing conduit of claim 1, further comprising: the cross section of draft nozzle (13) bottom is the back taper structure, form air current slit district between draft nozzle (13) bottom and the inside top of center tube (4).
4. The meltblown gas stream drawing conduit of claim 1, further comprising: and arc transition surfaces are arranged on the inner side and the outer side of the top end of the flow guide cavity (14).
5. The meltblown gas stream drawing conduit of claim 1, further comprising: the lower extreme that just is located annular seal groove (16) on the lateral wall of mounting groove (15) is equipped with the internal thread groove, the lateral wall lower extreme of draft cap (12) is equipped with the external thread groove, draft cap (12) threaded connection is in mounting groove (15).
6. The meltblown gas stream drawing conduit of claim 1, further comprising: and an air filter is arranged at an air inlet of the air compression fan (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103716.4U CN214060735U (en) | 2020-12-21 | 2020-12-21 | Melt-blown airflow drafting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103716.4U CN214060735U (en) | 2020-12-21 | 2020-12-21 | Melt-blown airflow drafting pipeline |
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| CN214060735U true CN214060735U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023103716.4U Active CN214060735U (en) | 2020-12-21 | 2020-12-21 | Melt-blown airflow drafting pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050353A (en) * | 2022-01-14 | 2022-02-15 | 瑞诺技术(深圳)有限公司 | Household solar storage battery discharge controller for improving winter discharge capacity |
| CN114293271A (en) * | 2021-12-30 | 2022-04-08 | 常州优创机械科技有限公司 | Airflow drafting device for spun-bonded equipment |
-
2020
- 2020-12-21 CN CN202023103716.4U patent/CN214060735U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293271A (en) * | 2021-12-30 | 2022-04-08 | 常州优创机械科技有限公司 | Airflow drafting device for spun-bonded equipment |
| CN114050353A (en) * | 2022-01-14 | 2022-02-15 | 瑞诺技术(深圳)有限公司 | Household solar storage battery discharge controller for improving winter discharge capacity |
| CN114050353B (en) * | 2022-01-14 | 2022-04-19 | 瑞诺技术(深圳)有限公司 | Household solar storage battery discharge controller for improving winter discharge capacity |
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