CN212741729U - Melt-blown fabric production line - Google Patents
Melt-blown fabric production line Download PDFInfo
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- CN212741729U CN212741729U CN202021524604.3U CN202021524604U CN212741729U CN 212741729 U CN212741729 U CN 212741729U CN 202021524604 U CN202021524604 U CN 202021524604U CN 212741729 U CN212741729 U CN 212741729U
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- 239000004744 fabric Substances 0.000 title claims abstract description 114
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- 239000012768 molten material Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a melt-blown fabric production line, which comprises an extruder, a heating device, a screen changer, a metering pump, a melt-blown fabric mould, an air supply device and a web former; the extruder is used for feeding raw materials, melting and plasticizing the raw materials and then extruding the raw materials to form a molten material; the screen changer is connected with a discharge port of the extruder and is used for filtering the molten material extruded by the extruder; the metering pump is used for accessing the molten material filtered by the screen changer and pumping the accessed molten material into the melt-blown fabric mould at a certain pressure; the air supply device is connected with the melt-blown fabric die and used for supplying hot air into the melt-blown fabric die, so that molten materials in the melt-blown fabric die can be sprayed out through the hot air to form the fiber yarns. The utility model discloses can stabilize the pressure of melting material, improve the quality of melt-blown fabric production, can also improve the degree of automation of production, the simplified operation reduces the production cost of labor, improves production efficiency.
Description
Technical Field
The utility model relates to a melt-blown fabric production line.
Background
At present, melt-blown fabric is a core material for producing masks, and in the production process of the melt-blown fabric, raw materials need to be extruded and plasticized into molten materials through an extruder, and the molten materials are ejected through a melt-blown fabric mold to produce the melt-blown fabric. However, in the existing melt-blown fabric production line, the pressure of the molten material is unstable, so that the produced melt-blown fabric has poor quality and cannot reach the 95 standard, and in the existing melt-blown fabric production line, a screw in an extruder needs to bear larger axial force, so that the service life of the screw is shortened. In addition, the automation degree of the existing melt-blown fabric production line is low, a plurality of people are required to operate simultaneously, the operation is complex, the production labor cost is high, and the production efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a melt-blown fabric production line, it can stabilize the pressure of melting material, reduces the fluctuation of pressure, improves the quality of melt-blown fabric production, can also improve the degree of automation of production, and the simplified operation reduces the production cost of labor, improves production efficiency.
In order to solve the technical problem, the technical scheme of the utility model is that: a melt-blown fabric production line comprises an extruder, a heating device, a screen changer, a metering pump, a melt-blown fabric mold, an air supply device and a web former; wherein,
the heating device is connected to a machine barrel of the extruder and is used for heating the machine barrel;
the extruder is used for feeding raw materials, melting and plasticizing the raw materials and then extruding the raw materials to form a molten material;
the screen changer is connected with a discharge port of the extruder and is used for filtering the molten material extruded by the extruder;
the inlet of the metering pump is connected with the screen changer, the outlet of the metering pump is connected with the melt-blown fabric mould, and the metering pump is used for accessing the molten material filtered by the screen changer and pumping the accessed molten material into the melt-blown fabric mould at a certain pressure;
the air supply device is connected with the melt-blown fabric die and is used for supplying hot air into the melt-blown fabric die so as to spray the molten material in the melt-blown fabric die through the hot air to form fiber filaments;
the web former is used for receiving and adsorbing the fiber yarns so that the fiber yarns are formed into melt-blown fabric in the web former.
Further in order to reduce the occupied area, the melt-blown fabric production line further comprises a rack platform, and the extruder, the metering pump, the melt-blown fabric mold and the gas supply device are all installed on the rack platform.
Further, the rack platform comprises a ladder stand and a guardrail.
Further provides a concrete structure of the metering pump, the metering pump comprises a pump shell, a driving gear, a driven gear, a driving motor and a universal shaft; wherein,
a feeding channel and a discharging channel are arranged in the pump shell;
the driving gear and the driven gear are both rotationally connected in the pump shell, and the driving gear is meshed with the driven gear;
the driving motor is connected with the driving gear through the universal shaft so as to drive the driving gear to rotate through the driving motor.
Further, in order to automatically add raw materials into the extruder, the melt-blown fabric production line further comprises an automatic feeding machine which is connected with a feeding port of the extruder and used for feeding the raw materials into the extruder.
Further provides a specific scheme of the automatic feeding machine, the automatic feeding machine comprises a material box, a material pumping pump, a material inlet pipe and a material outlet pipe, wherein,
a hopper is arranged on the feed inlet of the extruder,
the material pumping pump is connected with the material box through the material feeding pipe;
the material pumping pump is connected with a hopper on the extruder through the material discharging pipe, so that the material pumping pump pumps the raw materials in the hopper into the extruder.
Further in order to improve the automation degree of the melt-blown fabric production line, the melt-blown fabric production line further comprises a control electric cabinet which is at least in control connection with the extruder, the heating device, the metering pump and the gas supply device.
Further provides a concrete scheme of the air supply device, wherein the air supply device comprises a fan, an air inlet pipeline, an air heater and an air supply pipeline; wherein,
the air heater is internally provided with a heating cavity, an air inlet and an air outlet, and the air inlet and the air outlet are respectively communicated with the heating cavity;
the fan is connected with the air inlet through the air inlet pipeline and is used for sending air into the heating cavity;
one end of the air supply pipeline is connected with the air outlet, and the other end of the air supply pipeline is connected with the melt-blown fabric mold, so that the air supply pipeline guides hot air in the heating cavity into the melt-blown fabric mold.
Furthermore, the melt-blown fabric production line also comprises electrostatic electret equipment, wherein the electrostatic electret equipment is used for receiving the melt-blown fabric formed in the web former and carrying out corona charging treatment on the melt-blown fabric.
Furthermore, the melt-blown fabric production line also comprises a slitting and winding device which is used for cutting the formed melt-blown fabric and winding the cut melt-blown fabric.
After the technical scheme is adopted, the extruder is connected with the raw materials, and the raw materials are extruded to form a molten material after being melted and plasticized; the screen changer filters the molten material extruded by the extruder; the metering pump is connected into the molten material filtered by the screen changer and pumps the connected molten material into the melt-blown fabric mould at a certain pressure; the air supply device sends hot air into the melt-blown fabric die, and the molten material in the melt-blown fabric die is sprayed out through the hot air to form fiber yarns; the web former receives and adsorbs the fiber yarns so that the fiber yarns are formed into melt-blown fabric in the web former; the electrostatic electret equipment receives the melt-blown fabric formed in the web former and carries out corona charging treatment on the melt-blown fabric; cut the melt-blown fabric after rolling equipment to corona charging treatment and cut and the melt-blown fabric after the rolling cutting, improved the degree of automation of melt-blown fabric production greatly, simplified the operation, reduced the cost of labor, improved production efficiency. And pressure is established to the melting material through the metering pump, and then can make the feed pressure in the melt-blown fabric mould more stable, reduced the fluctuation of pressure, and then make and spout a pressure more stable, improved the quality of spouting the silk, and then improved the quality of melt-blown fabric production, can also reduce the axial atress of screw rod, the life of extension screw rod.
Drawings
FIG. 1 is a schematic structural view of a meltblown fabric production line of the present invention;
FIG. 2 is a schematic structural view of a screen changer and a metering pump according to the present invention;
fig. 3 is a schematic view of the internal structure of the metering pump of the present invention;
FIG. 4 is a top view of the meltblown fabric production line of the present invention;
fig. 5 is a front view of the meltblown fabric production line of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, a melt-blown fabric production line comprises an extruder 1, a heating device 2, a screen changer 3, a metering pump 4, a melt-blown fabric mold 5, an air supply device and a web former 6; wherein,
the heating device 2 is connected to the barrel of the extruder 1 and is used for heating the barrel, and the heating device 2 can be but is not limited to a ceramic heating ring;
the extruder 1 is used for feeding raw materials, melting and plasticizing the raw materials and then extruding the raw materials to form a molten material;
the screen changer 3 is connected with a discharge port of the extruder 1 and is used for filtering the molten material extruded by the extruder 1;
an inlet of the metering pump 4 is connected with the screen changer 3, an outlet of the metering pump 4 is connected with the melt-blown fabric mold 5, and the metering pump 4 is used for accessing the molten material filtered by the screen changer 3 and pumping the accessed molten material into the melt-blown fabric mold 5 at a certain pressure;
the air supply device is connected with the melt-blown fabric mold 5 and is used for supplying hot air into the melt-blown fabric mold 5 so as to spray the molten material in the melt-blown fabric mold 5 through the hot air to form fiber filaments;
the web former 6 is used for receiving and adsorbing the fiber yarns so that the fiber yarns are formed into melt-blown fabric in the web former 6. Specifically, the metering pump 4 is not arranged in general production, and materials are conveyed into the melt-blown fabric mold 5 by the thrust of the screw rod in the extruder 1, so that a large back pressure is generated on the screw rod of the extruder 1, and the screw rod bears a large axial force. Set up behind the measuring pump 4, establish pressure to the melting material through measuring pump 4, and then can make the feed pressure of melt-blown cloth mould 5 in more stable, reduced the fluctuation of pressure, and then make and spout that the pressure is more stable, improved the quality of spouting the silk, can also reduce the axial atress of screw rod, the life of extension screw rod. Moreover, the metering pump 4 builds pressure on the molten material, so that the molten material can be extruded by the screw at high speed and high efficiency, the residence time of the molten material in the machine barrel is reduced, the plasticizing process is stabilized, the melting temperature is reduced, the yield of products is improved, and the energy consumption is reduced. In addition, the air supply device can provide hot air with constant air volume and temperature for the melt-blown fabric die 5, and the spinning quality can be improved.
In this embodiment, the web former 6 may include a mesh belt and a conveying roller system, the mesh belt is sleeved on the conveying roller system, and the bottom of the mesh belt is provided with an air suction funnel corresponding to the melt-blown fabric mold 5. Specifically, the material of the conveying mesh belt is PET, which cannot resist high temperature, and the web former 6 is not required to be moved below the melt-blown fabric die 5 before the melt-blown fabric die 5 performs normal spinning, so as to prevent the molten material from directly dropping on the conveying mesh belt; and the flying cotton on the conveying mesh belt needs to be cleaned in time so as to prevent the meshes of the conveying mesh belt from being blocked.
In this embodiment, the raw material may include PP and electret masterbatch; specifically, the screen changer 3 is driven by the hydraulic station 7 to operate, and the specific structure of the screen changer 3 is the prior art well known to those skilled in the art, and is not described in detail in this embodiment.
As shown in fig. 1, 4 and 5, the melt-blown fabric production line can further comprise a rack platform 8, and the extruder 1, the metering pump 4, the melt-blown fabric mold 5 and the gas supply device are all installed on the rack platform 8, so that the occupied area is reduced, and the field is saved.
As shown in fig. 1, 4 and 5, the frame platform 8 may include therein a ladder stand 9 and a guardrail 10.
As shown in fig. 2 and 3, the metering pump 4 may include a pump housing 11, a driving gear 12, a driven gear 13, a driving motor 14, and a cardan shaft 15; wherein,
a feeding channel 16 and a discharging channel 17 are arranged in the pump shell 11;
the driving gear 12 and the driven gear 13 are both rotationally connected in the pump housing 11, and the driving gear 12 and the driven gear 13 are meshed with each other;
the driving motor 14 is connected with the driving gear 12 through the universal shaft 15, so that the driving gear 12 is driven to rotate by the driving motor 14, and the material in the feeding channel 16 is pumped to the discharging channel 17.
As shown in fig. 1, 4 and 5, the meltblown manufacturing line may further include an automatic feeder connected to a feed port of the extruder 1 for feeding the raw material into the extruder 1.
As shown in fig. 1, 4 and 5, the feeding port of the extruder 1 may be provided with a hopper 18, and the automatic feeding machine may be, for example and without limitation, a structure including a bin 19, a pumping pump, a feeding pipe and a discharging pipe, wherein,
the material pumping pump is connected with the material box 19 through the material feeding pipe;
the pumping pump is connected with the hopper 18 on the extruder 1 through the discharge pipe, so that the pumping pump pumps the raw materials in the bin 19 to the extruder 1.
As shown in fig. 1 and 4, the meltblown fabric production line may further include a control electrical cabinet 20 at least in control connection with the extruder 1, the heating device 2, the metering pump 4 and the air supply device, where the control electrical cabinet 20 is used to control the actions of the extruder 1, the heating device 2, the metering pump 4 and the air supply device, and the specific structure of the control cabinet is the prior art well known to those skilled in the art, and is not described in detail in this embodiment.
As shown in fig. 1, 4 and 5, the air supply device includes, for example but not limited to, a blower 21, an air inlet duct 22, an air heater 23 and a blast duct 24; wherein,
the air heater 23 is provided with a heating cavity, an air inlet and an air outlet, and the air inlet and the air outlet are respectively communicated with the heating cavity;
the fan 21 is connected with the air inlet through the air inlet pipeline 22 and is used for sending air into the heating cavity;
one end part of the air supply pipeline 24 is connected with the air outlet, and the other end part of the air supply pipeline 24 is connected with the melt-blown fabric mold 5, so that the air supply pipeline 24 guides hot air in the heating cavity into the melt-blown fabric mold 5.
As shown in fig. 4 and 5, the meltblown fabric production line may further include an electrostatic electret device 25, where the electrostatic electret device 25 is configured to receive the meltblown fabric formed in the web former 6 and perform corona charging treatment on the meltblown fabric, so that the meltblown fabric becomes a permanently charged fibrous electret, has permanent static electricity, and can trap fine dust by means of electrostatic effect, and thus the meltblown fabric has the advantages of high filtration efficiency, low filtration resistance, soft hand feeling, and the like, and further the meltblown fabric can reach 95 standards; specifically, the electrostatic electret 25 includes an electrostatic generator.
As shown in fig. 4 and 5, the meltblown fabric production line may further include a slitting and winding device 26 for cutting the formed meltblown fabric and winding the cut meltblown fabric; specifically, the specific structures of the electrostatic electret device 25 and the slitting and winding device 26 are the prior art well known to those skilled in the art, and details are not described in this embodiment, and an air expansion shaft is disposed in the slitting and winding device 26.
The working principle of the utility model is as follows:
the extruder 1 is connected with raw materials, and the raw materials are extruded to form a molten material after being melted and plasticized; the screen changer 3 filters the molten material extruded by the extruder 1; the metering pump 4 is connected with the molten material filtered by the screen changer 3 and pumps the connected molten material into the melt-blown fabric mould 5 at a certain pressure; the air supply device sends hot air into the melt-blown fabric mold 5, and the molten material in the melt-blown fabric mold 5 is sprayed out through the hot air to form fiber yarns; the web former 6 receives and adsorbs the fiber yarns to form the fiber yarns into melt-blown fabric in the web former 6; the electrostatic electret device 25 receives the melt-blown fabric formed in the web former 6 and performs corona charging treatment on the melt-blown fabric; cut the melt-blown fabric after rolling device 26 to corona charging treatment and cut and the melt-blown fabric after the rolling cutting, improved the degree of automation of melt-blown fabric production greatly, simplified the operation, reduced the cost of labor, improved production efficiency. And pressure is established to the melting material through metering pump 4, and then can make the feed pressure in the melt-blown fabric mould 5 more stable, reduced the fluctuation of pressure, and then make and spout a pressure more stable, improved the quality of spouting the silk, and then improved the quality of melt-blown fabric production, can also reduce the axial atress of screw rod, the life of extension screw rod.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A melt-blown fabric production line is characterized by comprising an extruder (1), a heating device (2), a screen changer (3), a metering pump (4), a melt-blown fabric mold (5), an air supply device and a web former (6); wherein,
the heating device (2) is connected to the barrel of the extruder (1) and is used for heating the barrel;
the extruder (1) is used for feeding raw materials, melting and plasticizing the raw materials and then extruding the raw materials to form a molten material;
the screen changer (3) is connected with a discharge port of the extruder (1) and is used for filtering the molten material extruded by the extruder (1);
an inlet of the metering pump (4) is connected with the screen changer (3), an outlet of the metering pump (4) is connected with the melt-blown fabric mold (5), and the metering pump (4) is used for accessing the molten material filtered by the screen changer (3) and pumping the accessed molten material into the melt-blown fabric mold (5) at a certain pressure;
the air supply device is connected with the melt-blown fabric die (5) and is used for feeding hot air into the melt-blown fabric die (5) so as to spray the molten material in the melt-blown fabric die (5) through the hot air to form fiber filaments;
the web former (6) is used for receiving and adsorbing the fiber yarns so that the fiber yarns are formed into melt-blown cloth in the web former (6).
2. The meltblown production line according to claim 1, further comprising a frame platform (8), wherein said extruder (1), metering pump (4), meltblown die (5) and said gas supply are mounted on said frame platform (8).
3. A meltblown production line according to claim 2, characterized in that the frame platform (8) comprises a ladder (9) and a guardrail (10).
4. The melt-blown fabric production line according to claim 1, wherein the metering pump (4) comprises a pump housing (11), a driving gear (12), a driven gear (13), a driving motor (14) and a cardan shaft (15); wherein,
a feeding channel (16) and a discharging channel (17) are arranged in the pump shell (11);
the driving gear (12) and the driven gear (13) are both rotationally connected in the pump shell (11), and the driving gear (12) and the driven gear (13) are meshed with each other;
the driving motor (14) is connected with the driving gear (12) through the universal shaft (15) so as to drive the driving gear (12) to rotate through the driving motor (14).
5. The meltblown manufacturing line according to claim 1 further comprising an automatic feeder connected to the feed port of said extruder (1) for feeding raw material into said extruder (1).
6. The melt-blown fabric production line according to claim 5, wherein a hopper (18) is provided on the feed port of the extruder (1), the automatic feeder comprises a feed box (19), a suction pump, a feed pipe and a discharge pipe, wherein,
the material pumping pump is connected with the material box (19) through the material feeding pipe;
the material pumping pump is connected with a hopper (18) on the extruder (1) through the material discharging pipe, so that the material pumping pump pumps the raw materials in the material box (19) to the extruder (1).
7. The melt-blown fabric production line according to claim 1, further comprising a control electrical cabinet (20) in control connection with at least the extruder (1), the heating device (2), the metering pump (4) and the gas supply device.
8. The meltblown fabric production line according to claim 1, wherein said air supply means comprises a blower (21), an air inlet duct (22), an air heater (23) and a supply air duct (24); wherein,
the air heater (23) is internally provided with a heating cavity, an air inlet and an air outlet, and the air inlet and the air outlet are respectively communicated with the heating cavity;
the fan (21) is connected with the air inlet through the air inlet pipeline (22) and is used for sending air into the heating cavity;
one end part of the air supply pipeline (24) is connected with the air outlet, and the other end part of the air supply pipeline (24) is connected with the melt-blown fabric mold (5), so that the air supply pipeline (24) guides hot air in the heating cavity into the melt-blown fabric mold (5).
9. A meltblown fabric production line according to claim 1, further comprising an electrostatic electret device (25), said electrostatic electret device (25) being adapted to receive a meltblown fabric formed in said web-former (6) and to corona charge said meltblown fabric.
10. The meltblown fabric production line according to claim 1 further comprising a slitting and winding apparatus (26) for cutting the formed meltblown fabric and winding the cut meltblown fabric.
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| CN202021524604.3U CN212741729U (en) | 2020-07-28 | 2020-07-28 | Melt-blown fabric production line |
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| CN202021524604.3U CN212741729U (en) | 2020-07-28 | 2020-07-28 | Melt-blown fabric production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733527A (en) * | 2020-07-28 | 2020-10-02 | 常州金纬管道设备制造有限公司 | Melt-blown fabric production line, starting method and melt-blown fabric production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111733527A (en) * | 2020-07-28 | 2020-10-02 | 常州金纬管道设备制造有限公司 | Melt-blown fabric production line, starting method and melt-blown fabric production method |
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