CN218969515U - Preparation system of spun-bonded non-woven fabric - Google Patents
Preparation system of spun-bonded non-woven fabric Download PDFInfo
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- CN218969515U CN218969515U CN202223534276.7U CN202223534276U CN218969515U CN 218969515 U CN218969515 U CN 218969515U CN 202223534276 U CN202223534276 U CN 202223534276U CN 218969515 U CN218969515 U CN 218969515U
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000005098 hot rolling Methods 0.000 claims abstract description 20
- 238000005303 weighing Methods 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000002994 raw material Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a preparation system of a spun-bonded non-woven fabric, and belongs to the technical field of production of spun-bonded non-woven fabrics. The device comprises a screw extruder, a spinneret plate, a net forming machine, a hot rolling machine, a liquid feeding machine, a dryer and a winding machine, wherein the hot rolling machine is arranged at the rear side of a station of the net forming machine, the liquid feeding machine is arranged at the rear side of the station of the hot rolling machine, the dryer is arranged at the rear side of the station of the liquid feeding machine, and the winding machine is arranged at the rear side of the station of the dryer; and a continuous passage for preparing the spun-bonded non-woven fabric is formed among the weighing mixing bin, the feeding buffer hopper, the screw extruder, the spinneret plate, the net forming machine, the hot rolling machine, the liquid feeding machine, the dryer and the winding machine. The utility model not only ensures the stable, smooth and controllable operation of the production process of the spun-bonded non-woven fabric, but also improves the production efficiency and quality and reduces the cost; and the adaptability of the system is improved when the diversity of products is increased, and the actual production can be better satisfied.
Description
Technical Field
The utility model particularly relates to a preparation system of a spun-bonded non-woven fabric, and belongs to the technical field of production of the spun-bonded non-woven fabric.
Background
At present, the spunbonded nonwoven fabrics for medical and sanitary use are generally produced by using spunbonded PP materials with the melt index of 35-45 g/10min, and the strength and the stiffness of the spunbonded nonwoven fabrics can meet the requirements of most medical products. The related process mainly comprises the following steps: after the raw materials enter an extruder, the raw materials are extruded quantitatively and under constant pressure after almost complete plasticizing after being heated outside at 190-250 ℃ and mutually sheared by a screw rod and a machine barrel; forming the yarn into a molten yarn through a die head, and entering cold air; after being cooled by cold air, the silk strips are randomly crossed and overlapped together on a lapping machine, at the moment, the silk strips overlapped together are randomly distributed in a three-dimensional space, are fluffy, are compacted by a ceramic roller and are pressed together at a certain temperature and pressure by a rolling mill, so that a non-woven fabric whole body which is tightly combined and has certain strength is formed.
However, for medical protection products with special tensile requirements or for producing high-stiffness spunbonded nonwoven fabrics (roll heat-melt ratio 10-18), the technical difficulties and cost investment are increased due to the limitations of existing production equipment. Aiming at the defects of the prior art and the defects of various PLA non-woven fabrics in the market, the prior art CN211074984U provides a degradable PLA non-woven fabric suitable for disposable sanitary products and application thereof on a PLA composite non-woven fabric. CN211730569U aims at providing a composite bicomponent spunbond nonwoven production line.
Therefore, in order to further increase the diversity of products, a spunbond nonwoven preparation system with strong adaptability is highly needed to meet the actual demands.
Disclosure of Invention
The utility model provides a preparation system of a spun-bonded non-woven fabric, which aims to solve the problems in the prior art. In the technical scheme, the stable, smooth and controllable performance of the spunbonded nonwoven production process is ensured, the production efficiency and quality are improved, and the cost is reduced; and the adaptability of the system is improved when the diversity of products is increased, and the actual production can be better satisfied.
In order to achieve the technical purpose, the following technical scheme is provided:
the preparation system of the spun-bonded non-woven fabric comprises a screw extruder, a spinneret plate, a net forming machine, a hot rolling machine, a liquid feeding machine, a dryer and a winding machine, wherein a feeding buffer hopper is arranged at a feed inlet of the screw extruder, and a weighing mixing bin is arranged at the front side of a station of the feeding buffer hopper; the screw extruder is provided with a feed-back screw mechanism, the spinneret plate is arranged at the rear side of a station of the screw extruder, the screw extruder is connected with the spinneret plate through a discharge pipe, and the discharge pipe is provided with a net changer; a drafting air duct is arranged between the spinneret plate discharge port and the net forming machine;
the hot rolling mill is arranged at the rear side of a station of the web forming machine, the liquid feeding machine is arranged at the rear side of the station of the hot rolling mill, the dryer is arranged at the rear side of the station of the liquid feeding machine, and the winding machine is arranged at the rear side of the station of the dryer;
and a continuous passage for preparing the spun-bonded non-woven fabric is formed among the weighing mixing bin, the feeding buffer hopper, the screw extruder, the spinneret plate, the net forming machine, the hot rolling machine, the liquid feeding machine, the dryer and the winding machine.
Preferably, the station front side of the weighing and mixing bin is provided with a storage tank, the storage tank is connected with the weighing and mixing bin through a feed pipe, the feed pipe is connected with a fan, dust formed in feeding is collected and discharged, and the stability of a feeding environment is improved.
Preferably, a material level sensor is arranged on the feeding buffer hopper.
Preferably, the screw extruder is provided with a temperature sensor I, and the feed back screw mechanism is provided with a temperature sensor II.
Preferably, the discharge pipe is provided with a metering pump and a temperature sensor III.
The material level sensor, the temperature sensor I, the temperature sensor II, the metering pump and the temperature sensor III are all connected with the PLC system.
In this technical scheme, according to actual demand, can set up a plurality of rollers at net-forming machine, hot rolling mill, liquid feeding machine, drying-machine and coiler, if: idler roller, embossing roller, cloth feeding roller, cold roller, touch roller, drying roller, cloth clamping roller, accelerating roller, wind-up roller, etc.
The relation of the front side of the station, the rear side of the station, the relation of the upper position and the like in the technical scheme is defined according to the condition in the actual use state, is a conventional term in the technical field, and is also a conventional term in the actual use process of the operator in the technical field.
In the description of the present technical solution, it should be noted that, unless explicitly specified and limited otherwise, terms "disposed", "connected" and "connected" should be interpreted broadly, and for example, they may be fixed, removable or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
By adopting the technical scheme, the beneficial effects brought are as follows:
in the utility model, a continuous passage for preparing the spun-bonded non-woven fabric is formed among the weighing mixing bin, the feeding buffer hopper, the screw extruder, the spinneret plate, the net forming machine, the hot rolling mill, the liquid feeding machine, the dryer and the winding machine, the design is reasonable, the stable, smooth and controllable running of the production process of the spun-bonded non-woven fabric can be ensured, the production efficiency and quality are improved, and the cost is reduced; in addition, when the diversity of products is increased, the adaptability of the system is improved, and the actual production can be better satisfied;
according to the utility model, the controllability and stability of raw material discharging are ensured through the arrangement of the feeding buffer hopper and the weighing and mixing bin;
in the utility model, the screw extruder is provided with the feed-back screw mechanism, so that the polymer is effectively melted and extruded, and effective preparation work is carried out for subsequent spinning.
Drawings
FIG. 1 is a schematic flow chart of the present utility model;
in the figure, 1, a screw extruder, 2, a spinneret plate, 3, a net forming machine, 4, a hot rolling machine, 5, a liquid feeding machine, 6, a dryer, 7, a winding machine, 8, a feeding buffer hopper, 9, a weighing mixing bin, 10, a return screw mechanism, 11, a discharge pipe, 12, a net changer, 13, a drafting air duct, 14, a storage tank, 15, a feed pipe, 16, a fan, 17, a material level sensor, 18, a temperature sensor I, 19, a temperature sensor II, 20, a metering pump, 21 and a temperature sensor III.
Detailed Description
In the following, it is obvious that the embodiments described are only some embodiments of the present utility model, but not all embodiments, by clearly and completely describing the technical solutions in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The preparation system of the spun-bonded non-woven fabric comprises a screw extruder 1, a spinneret plate 2, a net forming machine 3, a hot rolling machine 4, a liquid feeding machine 5, a dryer 6 and a winding machine 7, wherein a feeding buffer hopper 8 is arranged at a feeding port of the screw extruder 1, and a weighing mixing bin 9 is arranged at the front side of a station of the feeding buffer hopper 8; the screw extruder 1 is provided with a feed-back screw mechanism 10, the spinneret plate 2 is arranged at the rear side of a station of the screw extruder 1, the screw extruder 1 is connected with the spinneret plate 2 through a discharge pipe 11, and the discharge pipe 11 is provided with a screen changer 12; a drafting air duct 13 is arranged between the discharge port of the spinneret plate 2 and the net forming machine 3; the hot rolling mill 4 is arranged at the rear side of the station of the net forming machine 3, the liquid feeding machine 5 is arranged at the rear side of the station of the hot rolling mill 4, the dryer 6 is arranged at the rear side of the station of the liquid feeding machine 5, and the winding machine 7 is arranged at the rear side of the station of the dryer 6; and a continuous passage for preparing the spun-bonded non-woven fabric is formed among the weighing and mixing bin 9, the feeding buffer hopper 8, the screw extruder 1, the spinneret plate 2, the net forming machine 3, the hot rolling mill 4, the liquid feeding machine 5, the dryer 6 and the winding machine 7.
In the embodiment, spinning is carried out by adding a spun-bonded PP material with a melt index of 10-25 g/10min, and the related preparation process flow is as follows:
1. the spun-bonded PP material is fed into a weighing mixing bin 9 for weighing, and then is fed into a screw extruder 1 through a feeding buffer hopper 8;
2. in the screw extruder 1, the screw extruder 1 temperature, the pipe temperature, the die temperature, the screw rotation speed, and the like are adjusted, such as: the rotation speed of the screw is reduced, and then the spun-bonded non-woven fabric with higher tensile strength can be obtained (as shown in the table 1 below); another example is: the orientation of the molecular chain is increased through the shearing action of the screw rod; the monofilament strength of the fiber is enhanced by increasing the molecular chain length, so that the integral tensile strength of the non-woven fabric is further enhanced. Then, the polymer material is melt extruded;
3. filtering unmelted particles and impurities from the extruded material through a screen changer 12, spraying and stretching the extruded material through a spinneret plate 2, and forming silk strips under the action of cold air in a drafting air duct 13;
4. spreading the silk by a net forming machine 3, rolling the fiber silk by a hot rolling machine 4 to melt the fiber silk to form a net, feeding liquid by a liquid feeding machine 5, and finally drying and winding the net to form the yarn.
The physical properties of the resulting spunbonded nonwoven are shown in Table 2 below.
Example 2
On the basis of example 1, this example further limits the material feed in the preparation of the spunbonded nonwoven, to further illustrate this technical solution.
The storage tank 14 is arranged on the front side of the station of the weighing and mixing bin 9, the storage tank 14 is connected with the weighing and mixing bin 9 through the feeding pipe 15, the feeding pipe 15 is connected with the fan 16, dust formed in feeding is collected and discharged, and the stability of the feeding environment is improved.
Example 3
In order to improve the automatic control of the feeding, melting and extrusion of the raw material of the spunbonded nonwoven fabric, namely the polymer, the material level, the temperature and the metering are further limited on the basis of the embodiment 1-2, so as to further describe the technical scheme.
The feeding buffer hopper 8 is provided with a material level sensor 17, the screw extruder 1 is provided with a temperature sensor I18, the feed back screw mechanism 10 is provided with a temperature sensor II 19, and the discharge pipe 11 is provided with a metering pump 20 and a temperature sensor III 21. And the material level sensor 17, the temperature sensor I18, the temperature sensor II 19, the metering pump 20 and the temperature sensor III 21 are all connected with the PLC system.
Claims (6)
1. A system for preparing a spunbond nonwoven, comprising: the device comprises a screw extruder (1), a spinneret plate (2), a net forming machine (3), a hot rolling machine (4), a liquid feeding machine (5), a dryer (6) and a winding machine (7), wherein a feeding buffer hopper (8) is arranged at a feeding inlet of the screw extruder (1), and a weighing mixing bin (9) is arranged at the front side of a station of the feeding buffer hopper (8); a feed-back screw mechanism (10) is arranged on the screw extruder (1), the spinneret plate (2) is arranged at the rear side of a station of the screw extruder (1), the screw extruder (1) is connected with the spinneret plate (2) through a discharge pipe (11), and a screen changer (12) is arranged on the discharge pipe (11); a drafting air duct (13) is arranged between the discharge port of the spinneret plate (2) and the net forming machine (3);
the hot rolling mill (4) is arranged at the rear side of a station of the lapping machine (3), the liquid feeding machine (5) is arranged at the rear side of a station of the hot rolling mill (4), the dryer (6) is arranged at the rear side of a station of the liquid feeding machine (5), and the winding machine (7) is arranged at the rear side of a station of the dryer (6);
and a continuous passage for preparing the spun-bonded non-woven fabric is formed among the weighing mixing bin (9), the feeding buffer hopper (8), the screw extruder (1), the spinneret plate (2), the net forming machine (3), the hot rolling machine (4), the liquid feeding machine (5), the dryer (6) and the winding machine (7).
2. The system for preparing a spunbonded nonwoven according to claim 1, wherein: the station front side of the weighing and mixing bin (9) is provided with a storage tank (14), the storage tank (14) is connected with the weighing and mixing bin (9) through a feed pipe (15), and the feed pipe (15) is connected with a fan (16).
3. The system for preparing a spunbonded nonwoven according to claim 1, wherein: the feeding buffer hopper (8) is provided with a material level sensor (17).
4. The system for preparing a spunbonded nonwoven according to claim 3, wherein: the screw extruder (1) is provided with a temperature sensor I (18), and the feed-back screw mechanism (10) is provided with a temperature sensor II (19).
5. The system for preparing a spunbonded nonwoven according to claim 4, wherein: a metering pump (20) and a temperature sensor III (21) are arranged on the discharging pipe (11).
6. The system for preparing a spunbonded nonwoven according to claim 5, wherein: the material level sensor (17), the temperature sensor I (18), the temperature sensor II (19), the metering pump (20) and the temperature sensor III (21) are all connected with the PLC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534276.7U CN218969515U (en) | 2022-12-29 | 2022-12-29 | Preparation system of spun-bonded non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534276.7U CN218969515U (en) | 2022-12-29 | 2022-12-29 | Preparation system of spun-bonded non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218969515U true CN218969515U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223534276.7U Active CN218969515U (en) | 2022-12-29 | 2022-12-29 | Preparation system of spun-bonded non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218969515U (en) |
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2022
- 2022-12-29 CN CN202223534276.7U patent/CN218969515U/en active Active
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