CN214362067U - Melt-blown fabric forming equipment - Google Patents
Melt-blown fabric forming equipment Download PDFInfo
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- CN214362067U CN214362067U CN202022893880.3U CN202022893880U CN214362067U CN 214362067 U CN214362067 U CN 214362067U CN 202022893880 U CN202022893880 U CN 202022893880U CN 214362067 U CN214362067 U CN 214362067U
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Abstract
A melt-blown fabric forming device comprises a screw extruder, a spinneret, a conveying net curtain, a first forming system and a second forming system, wherein the conveying net curtain is arranged below the spinneret; the first molding system comprises an air heater and an air guide pipe, hot air generated by the air heater flows out through the air guide pipe, and the outlet end of the air guide pipe is arranged on one side of the spinneret; the second forming system comprises an air conditioner, an air pump, a cavity and a plurality of pipelines, the air conditioner, the air pump and the cavity are sequentially connected through the pipelines, the air conditioner generates cold air, the air pump conveys the cold air to the cavity, the cavity is arranged in a hollow mode, and a long cold air outlet is formed in the cavity. The first forming system and the second forming system gradually cool the spinning yarns sprayed by the spinning head, so that the formed melt-blown fabric has good toughness and continuity, the air permeability of the melt-blown fabric is further improved, the filtering effect is good, the resistance is reduced, the filaments of the melt-blown fabric are drawn more finely, and the practicability is high.
Description
Technical Field
The utility model relates to a processing equipment especially relates to a melt-blown fabric former.
Background
The melt-blown fabric is a filter material with polypropylene as a main raw material. The fiber diameter can reach 1-5 microns, and the superfine fibers with unique capillary structures increase the number and the surface area of fibers in unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property, and can be used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, heat-insulating materials, wiping cloth and the like.
However, under the influence of the existing process and equipment, when part of melt-blown fabric manufacturers produce melt-blown fabrics, the situation that interlayer or toughness is insufficient easily occurs on part of silk threads of the melt-blown fabrics, the quality of products is seriously influenced, and the economic benefit of enterprises is greatly influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a meltblown fabric forming apparatus in order to overcome the disadvantages of the prior art.
A melt-blown fabric forming device comprises a screw extruder, a spinneret, a conveying net curtain, a first forming system and a second forming system, wherein the conveying net curtain is arranged below the spinneret;
the first molding system comprises an air heater and an air guide pipe, hot air generated by the air heater flows out through the air guide pipe, the outlet end of the air guide pipe is arranged on one side of the spinning nozzle, the outlet end of the air guide pipe faces to the direction parallel to the spinning direction of the spinning nozzle, the screw extruder heats materials to 250-280 ℃, and the temperature of hot air flowing out of the outlet of the air guide pipe is 200-210 ℃;
the second molding system includes air conditioner, air pump, cavity and a plurality of pipeline, connect gradually through the pipeline between air conditioner, air pump, the cavity, the air conditioner produces air conditioning, and on the cavity was carried air conditioning to the air pump, the cavity was the cavity setting, be equipped with the air conditioning export of a elongated on the cavity, the spinneret bottom 50 ~ 55mm department is located to the air conditioning export, the interval between spinneret and the transport network curtain is 150 ~ 160mm to the orientation of air conditioning export and the spinning direction mutually perpendicular of spinneret, the during operation, the air conditioning humidity of the outflow from the air conditioning export is 15 ~ 17 ℃.
Furthermore, the temperature of the hot air flowing out of the outlet of the air guide pipe is 200-205 ℃.
The device further comprises a feeding system, a melt filter, a metering pump and a coiling machine, wherein the feeding system is connected with the screw extruder, the feeding system transfers materials to the screw extruder, the melt filter is connected with the screw extruder, the metering pump is connected with the melt filter, and the spinning jet is connected with the metering pump.
The invention has the beneficial effects that: through setting up first forming system and second forming system, spout the silk that the spinneret spun by first forming system and second forming system and come and carry out progressively cooling, make the melt-blown cloth toughness after the shaping good, the continuity is good, further improve the gas permeability of melt-blown cloth, the filter effect is good and reduce the resistance to the silk that makes the melt-blown cloth is drawn more carefully, the practicality is strong.
Drawings
Fig. 1 is the schematic structural diagram of the melt-blown fabric forming apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the utility model provides a melt-blown fabric former for producing melt-blown fabric, the melt-blown fabric toughness of making is good, the quality is high, the gas permeability is strong, melt-blown fabric former includes feeding system, screw extruder, melt filter, spinning jet 20, measuring pump, transport screen curtain 10 and coiling machine, feeding system is connected with screw extruder, and feeding system shifts the material to screw extruder on, and screw extruder melts the material section, the melt filter is connected with screw extruder, the measuring pump is connected with melt filter, spinning jet 20 is connected with the measuring pump, after the molten material of screw extruder filters through the melt filter, carries the fused material to spinning jet 20 by the measuring pump, by the measuring pump control output and fibrous fineness, transport screen curtain 10 is located the below of spinning jet 20, the melt-blown fibers are uniformly laid on the net to form melt-blown cloth, and the melt-blown cloth is fed by the conveying net curtain 10 and is received by the coiling machine.
The melt-blown fabric forming equipment further comprises a first forming system and a second forming system 40, wherein the first forming system comprises an air heater and an air guide pipe 30, hot air generated by the air heater flows out through the air guide pipe 30, the outlet end of the air guide pipe 30 is arranged on one side of the spinning nozzle 20, the outlet end of the air guide pipe 30 faces the direction parallel to the spinning direction of the spinning nozzle 20, the material is heated to 250-280 ℃ by a screw extruder, the temperature of hot air flowing out of the outlet of the air guide pipe 30 is 200-210 ℃, preferably, the temperature of hot air flowing out of the outlet of the air guide pipe 30 is 200-205 ℃, and the temperature of the spun yarns of the spinning nozzle 20 is preliminarily reduced by arranging the first forming system, so that the continuity of the spun yarns is maintained, and meanwhile, the condition that the humidity of the spun yarns is reduced too fast to influence the melt-blowing effect of products is prevented.
The second forming system 40 comprises an air conditioner 41, an air pump 42, a cavity 43 and a plurality of pipelines 44, the air conditioner 41, the air pump 42 and the cavity 43 are sequentially connected through the pipelines 44, the air conditioner 41 generates cold air, the air pump 42 conveys the cold air to the cavity 43, the cavity 43 is hollow, a long cold air outlet 45 is arranged on the cavity 43, the cold air outlet 45 is arranged at the bottom 50-55 mm of the spinning nozzle 20, the distance between the spinning nozzle 20 and the conveying net curtain 10 is 150-160 mm, and the orientation of the cold air outlet 45 is perpendicular to the spinning direction of the spinning nozzle 20. When the air conditioner works, the humidity of cold air flowing out of the cold air outlet 45 is 15-17 ℃. The second forming system 40 is arranged to further ensure the continuity of the spinning and protect the forming quality of the melt-blown fabric on the conveying net curtain 10.
The invention has the beneficial effects that: through setting up first forming system and second forming system 40, the spout that is spouted spinneret 20 by first forming system and second forming system 40 and is cooled down gradually, makes the melt-blown fabric toughness after the shaping good, the continuity is good, further improves the gas permeability of melt-blown fabric, and the filter effect is good and reduce the resistance to make the thinner of the silk drawing of melt-blown fabric, the practicality is strong.
The above-described embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the spirit of the invention, and these are within the scope of the invention. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims (3)
1. The melt-blown fabric forming equipment is characterized by comprising a screw extruder, a spinning nozzle, a conveying net curtain, a first forming system and a second forming system, wherein the conveying net curtain is arranged below the spinning nozzle;
the first forming system comprises an air heater and an air guide pipe, hot air generated by the air heater flows out through the air guide pipe, the outlet end of the air guide pipe is arranged on one side of the spinneret, and the direction of the outlet end of the air guide pipe is parallel to the spinning direction of the spinneret;
the second forming system comprises an air conditioner, an air pump, a cavity and a plurality of pipelines, the air conditioner, the air pump and the cavity are sequentially connected through the pipelines, the air conditioner generates cold air, the air pump conveys the cold air to the cavity, the cavity is arranged in a hollow mode, a long cold air outlet is formed in the cavity, and the orientation of the cold air outlet is perpendicular to the spinning direction of the spinning nozzle.
2. The meltblown fabric forming apparatus of claim 1, wherein: the cold air outlet is arranged at the bottom of the spinning nozzle and is 50-55 mm away from the bottom of the spinning nozzle, and the distance between the spinning nozzle and the conveying net curtain is 150-160 mm.
3. The meltblown fabric forming apparatus of claim 1, wherein: the spinning device is characterized by further comprising a feeding system, a melt filter, a metering pump and a coiling machine, wherein the feeding system is connected with the screw extruder, the feeding system transfers materials to the screw extruder, the melt filter is connected with the screw extruder, the metering pump is connected with the melt filter, and the spinning nozzle is connected with the metering pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022893880.3U CN214362067U (en) | 2020-12-04 | 2020-12-04 | Melt-blown fabric forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022893880.3U CN214362067U (en) | 2020-12-04 | 2020-12-04 | Melt-blown fabric forming equipment |
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| Publication Number | Publication Date |
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| CN214362067U true CN214362067U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022893880.3U Active CN214362067U (en) | 2020-12-04 | 2020-12-04 | Melt-blown fabric forming equipment |
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| CN (1) | CN214362067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553782A (en) * | 2020-12-04 | 2021-03-26 | 广东昌昇科技有限公司 | Melt-blown fabric forming equipment |
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2020
- 2020-12-04 CN CN202022893880.3U patent/CN214362067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553782A (en) * | 2020-12-04 | 2021-03-26 | 广东昌昇科技有限公司 | Melt-blown fabric forming equipment |
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