CN217922545U

CN217922545U - Fragrant melt-blown fabric extruder

Info

Publication number: CN217922545U
Application number: CN202222178878.7U
Authority: CN
Inventors: 梁庆辉
Original assignee: Hangzhou Shijie Health Technology Co ltd
Current assignee: Liang Qinghui
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-29
Anticipated expiration: 2032-08-18

Abstract

The application provides a fragrant melt-blown fabric extruder, which comprises an extrusion device, a mold, a mixing mechanism and a net. The extrusion device is used for melting and plasticizing the raw materials and extruding the raw materials to form a molten material; the extrusion device is provided with a discharge hole. The die is arranged at the discharge port. The die is provided with a spinneret plate, and the bottom of the spinneret plate is provided with more than two rows of spray holes. The mixing mechanism comprises a distributor, a fluidization barrel, a vacuum spray pump and a shaking table, wherein the distributor is arranged between the two rows of spray holes. The fluidization barrel is used for accommodating the incense powder, is arranged at two sides of the mould and is connected with the distributor through the vacuum spray pump; the shaking table is arranged below the fluidization barrel. And the net is arranged below the spinneret plate. Be different from prior art, above-mentioned technical scheme simple structure, convenient operation makes fragrant smell more even, lasting with the powder and the homogeneous mixing of melting material, has still increased the area of contact of powder and melting material, can adsorb more powder on making the melt-blown cloth.

Description

Fragrant melt-blown fabric extruder

Technical Field

The application relates to the technical field of melt-blown fabric, in particular to a fragrant melt-blown fabric extruder.

Background

Meltblown webs are nonwovens made by drawing a polymer melt stream from a die orifice with a high velocity stream of hot air to form microfibers which are collected on a screen or drum and bonded to itself. The melt-blown fabric mainly takes polypropylene as a main raw material, has the advantages of fiber diameter of 1-5 microns, more gaps, fluffy structure, good crease resistance, good filtering property, shielding property, heat insulation property and oil absorption property, and can be used in the fields of air, liquid filtering material, isolating material, absorbing material, mask material, warm-keeping material, oil absorption material, wiping cloth and the like.

The demand for meltblown fabric, which is one of the most core materials of masks, has been increasing in recent years, and the demand has been more and more diversified. In order to perfume meltblown webs, the prior art often applies a fragrance material to the surface of the meltblown web by knife coating. The meltblown coating obtained by this method is easily abraded, and the fragrance is easily dissipated and not persistent.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a technical solution for producing a fragrance meltblown which solves the problem of non-persistent fragrance in the prior art.

To achieve the above objects, the present application provides a fragrance meltblown fabric extruder comprising:

the extruding device is used for melting, plasticizing and extruding the raw materials to form a molten material; the extrusion device is provided with a discharge hole;

the die is arranged at the discharge port; the die is provided with a spinneret plate, and the bottom of the spinneret plate is provided with more than two rows of spray holes;

the mixing mechanism comprises a distributor, a fluidizing barrel, a vacuum spraying pump and a shaking table, wherein the distributor is arranged between the two rows of spray holes; the fluidization barrel is used for containing the incense powder, is arranged at two sides of the mould and is connected with the distributor through a vacuum spray pump; the shaking table is arranged below the fluidization barrel;

and the net is formed and is arranged below the spinneret plate.

Different from the prior art, the technical scheme melts, plasticizes and extrudes the raw materials through the extrusion device, fluidizes the incense powder by utilizing the fluidization barrel, and uniformly and stably supplies the powder to the vacuum spray pump. The vacuum spray pump atomizes the incense powder, and the atomized incense powder is uniformly mixed with the molten material through the distributor, so that the prepared melt-blown cloth can keep uniform and lasting fragrance. So set up, simple structure, the manipulation is convenient, makes fragrant smell more even, lasting with powder and melting material homogeneous mixing, has still increased the area of contact of powder and melting material, can adsorb more powder on the messenger melt-blown cloth.

In some embodiments, the orifice is conical in shape, and the orifice has a diameter in the range of 0.2-0.4mm.

In some embodiments, the number of the distributors is two, and the distributors are respectively connected with the vacuum spray pumps on two sides; the dispenser is provided with a plurality of hollow pipelines, and through holes allowing the incense powder to be sprayed out are formed in the pipelines; the pipeline comprises a horizontal pipe section and a vertical pipe section, wherein the horizontal pipe section is connected with the vertical pipe section, and the vertical pipe section extends downwards.

In some embodiments, the method comprises:

and the induced draft fan is connected with the net formation to enable the molten materials and the incense powder to be adsorbed on the net formation.

In some embodiments, the hot blast stove comprises a hot blast stove and a fan, wherein one end of the hot blast stove is connected with the fan, and the other end of the hot blast stove is connected with the die and the spinneret plate.

In some embodiments, the bottom of the spinneret plate is provided with a plurality of hot air ports, and the hot air ports are arranged on two sides of the nozzle hole.

In some embodiments, the extrusion device comprises a motor, a screw, and a heating ring, wherein the motor is connected with the screw, and the heating ring is sleeved outside the screw.

In some embodiments, the heating temperature of the heating coil ranges from 200 to 250 ℃.

In some embodiments, the scent powder is tea powder.

In some embodiments, the method comprises:

and the electrostatic electret is arranged after the net formation and is used for carrying out corona charging treatment on the fragrant melt-blown cloth.

The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, further, the present invention can be implemented according to the contents described in the text and the drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description will be made in conjunction with the detailed description of the present application and the drawings.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a schematic view of a flavor meltblown fabric extruder according to one embodiment of the present application;

FIG. 2 is a top view of a flavor meltblown fabric extruder in accordance with an embodiment of the present application;

FIG. 3 is a side view of a flavor meltblown fabric extruder in accordance with an embodiment of the present application;

fig. 4 is a schematic view of a spinneret plate according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a dispenser according to an embodiment of the present application.

The reference numerals referred to in the above figures are explained below:

1. an extrusion device 11, a funnel 12 and a heating ring;

2. the device comprises a mould, 21, a spinneret plate, 211, spray holes, 22, a suspension fan, 23 and a hot blast stove;

3. a mixing mechanism 31, a distributor 311, a horizontal pipe section 312, a vertical pipe section 32, a fluidization barrel 33, a vacuum spray pump 34 and a shaking table;

4. forming a net, 41, and a draught fan;

5. electrostatic electret;

6. a winding machine;

71. filament, 72, meltblown.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless otherwise defined, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes an element, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, "connected" may be a fixed connection, a removable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

The demand for meltblown fabric, one of the most central materials of masks, has been increasing in recent years. In order to perfume meltblown webs, the prior art often applies a fragrance material to the surface of the meltblown web by knife coating. The meltblown coating obtained by this method is easily abraded and the fragrance gradually dissipates and does not last.

In order to solve the above technical problem, referring to fig. 1, the present embodiment provides an extruder for making a fragrant meltblown 72, which includes an extrusion device 1, a mold 2, a mixing mechanism 3, and a web 4. The extrusion device 1 is used for melting, plasticizing and extruding the raw materials to form a molten material; the extrusion device 1 is provided with a discharge port. The die 2 is arranged at the discharge port. The die 2 is provided with a spinneret 21, and the bottom of the spinneret 21 is provided with more than two rows of spray holes 211. The mixing mechanism 3 comprises a distributor 31, a fluidizing barrel 32, a vacuum spraying pump 33 and a shaking table 34, wherein the distributor 31 is arranged in the middle of the two rows of spray holes 211; the fluidization barrel 32 is used for containing the incense powder, is arranged at two sides of the mould 2 and is connected with the distributor 31 through a vacuum spray pump 33; the shaker 34 is disposed below the fluidization tub 32. The web 4 is disposed below the spinneret 21.

Referring to fig. 2 and 3, the extrusion device 1 is a device having heating and feeding functions. The extrusion apparatus 1 heats and melts and plasticizes the raw material. The raw materials are changed into liquid after being melted and enter the die 2 through the discharge hole. The die 2 is a member for extruding the molten material into filaments.

As shown in fig. 4, the die 2 is provided with a spinneret 21, the bottom of the spinneret 21 is provided with a plurality of nozzle holes 211, and the plurality of nozzle holes 211 are arranged on the spinneret 21 in two rows or in a multi-row order. The molten material is extruded from the orifice 211 to become the filament 71.

The mixing mechanism 3 is a mechanism for mixing the incense powder with the molten material. The mixing mechanism 3 includes a distributor 31, a fluidizing tank 32, a vacuum spray pump 33, and a shaker 34. The fluidization barrel 32 contains incense powder which is powder with aromatic substances and can emit fragrance. The fluidization barrel 32 is arranged to continuously and uniformly supply powder to the vacuum spraying pump 33, so that the conditions of uneven powder discharge, powder agglomeration and the like are avoided. The shaking table 34 is disposed below the fluidizing barrel 32, and is used for shaking the fluidizing barrel 32 to fluidize the incense powder in the fluidizing barrel 32, and stably and uniformly enter the vacuum spraying pump 33 to be sprayed out. The dispenser 31 is disposed in the middle of the two rows of nozzles 211, and can spray the fragrant powder to the filaments sprayed from the spinnerets 21 on both sides.

The web 4 rotates during operation, and the fine filament bundles ejected from the ejection holes 211 are received into the web 4 to form the meltblown fabric 72. In some embodiments, the web 4 may be formed using a single cylinder, barrel, and lift meltblown web 4 machine.

The working principle is as follows: the raw materials enter the extrusion device 1, and are melted, plasticized and extruded in the extrusion device 1 to form a molten material. The molten material enters the die 2 from the discharge port and is ejected through the nozzle holes 211 of the spinneret 21 to be formed into filaments. The powder is atomized by a vacuum atomizing pump 33 and evenly sprayed on the melted material by a distributor 31 arranged between two rows of spray holes 211, so that the powder and the melted material are evenly mixed. The molten material is extruded from the nozzle 211 and then formed into a filament shape, and is adsorbed on the web 4 and cooled to form the meltblown web 72 with fragrance.

Different from the prior art, the technical scheme melts, plasticizes and extrudes the raw materials through the extrusion device 1, fluidizes the incense powder by utilizing the fluidization barrel 32, and uniformly and stably supplies the powder to the vacuum spray pump 33. The vacuum spray pump 33 atomizes the incense powder, and the atomized incense powder is uniformly mixed with the molten material through the distributor 31, so that the prepared melt-blown cloth can keep uniform and lasting fragrance. So set up, simple structure, the manipulation is convenient, makes fragrant smell more even, lasting with the powder of incensing and melting material homogeneous mixing, has still increased the area of contact of powder of incensing and melting material, can adsorb more powder of incensing on the messenger melt-blown cloth.

In some other embodiments, the shape of the orifice 211 is conical, and the diameter of the orifice 211 ranges from 0.2 mm to 0.4mm. The molten material is extruded from the nozzle hole 211 in a filament shape. The shape of the nozzle hole 211 is set to be conical, so that the filaments 71 sprayed out from the nozzle hole 211 can be more uniform, and the nozzle hole 211 is prevented from being blocked. The diameter range of the spray hole 211 is controlled to be 0.2-0.4mm, and the size of the sprayed filament can meet the technical requirements.

Referring to fig. 5, in some other embodiments, the number of the distributors 31 is two, and the distributors are respectively connected to the vacuum spray pumps 33 on both sides. The dispenser 31 has a plurality of hollow tubes with through holes provided therein to allow the powder to be ejected. The pipeline comprises a horizontal pipe section 311 and a vertical pipe section 312, wherein the horizontal pipe section 311 is connected with the vertical pipe section 312, and the vertical pipe section 312 extends downwards.

The spinneret 21 is provided at both sides thereof with a fluidizing barrel 32, a vacuum spray pump 33 and a shaker 34. The number of the distributors 31 is two and the distributors are connected to the vacuum spray pumps 33 at both sides, respectively. The distributor 31 has one end connected to the vacuum spray pump 33 and the other end extending below the spinneret 21 to the middle of the two rows of orifices 211. The filaments 71 are drawn downward by the molten material extruded from the orifices 211, and the dispenser 31 sprays the filaments 71 from the orifices 211 to attach the atomized powder to the filaments 71. The horizontal pipe section 311 and the vertical pipe section 312 are arranged to spray the filaments 71 from two directions, so that the contact area of the incense powder and the molten material is increased.

In some other embodiments, an induced draft fan 41 is included. The draught fan 41 is connected with the net 4, so that the fused material and the spice powder are adsorbed on the net 4.

The induced draft fan 41 is a device that generates negative pressure by rotation of the impeller and further extracts air. In daily life, ventilators are generally divided into induced draft fans (used under negative pressure) and blowers (used under positive pressure) according to different use modes of positive pressure and negative pressure. The induced draft fan 41 is arranged on the side edge of the spinneret plate 21 and connected with the net-forming 4 below the spinneret plate 21, and ensures that the filaments 71 extruded by the jet holes 211 fall down and are adsorbed on the net-forming 4. The filaments 71 form a perfumed meltblown 72 after cooling on the web 4.

In some other embodiments, the hot blast stove 23 and the fan are included, one end of the hot blast stove 23 is connected with the fan, and the other end is connected with the die 2 and the spinneret plate 21. The fan plays the role of blowing air, and the fan is connected with the hot blast stove 23 and blows air into the hot blast stove 23. The hot blast stove 23 heats the air to a required temperature, and the hot air circulates towards the mold 2 under the action of the fan. The hot blast stove 23 is connected to the side of the mold 2, and blows hot air into the mold 2 from the side of the mold 2 to keep the material in the mold 2 at a suitable temperature and to maintain the liquid state. In some embodiments, the fan may employ a levitation fan 22.

In some other embodiments, the bottom of the spinneret plate 21 is provided with a plurality of hot air holes disposed at two sides of the nozzle hole 211. The molten material in the die 2 flows out from the nozzle hole 211 of the spinneret 21, and the hot air in the die 2 can escape from the hot air port on the spinneret 21. The hot air ports are arranged on two sides of the spray hole 211, so that the material flowing out of the spray hole 211 is heated to a certain extent, and the material is prevented from being rapidly cooled to be solid and blocking the spray hole 211.

In some other embodiments, the extrusion apparatus 1 comprises a motor, a screw, and a heating ring 12, wherein the motor is connected to the screw, and the heating ring 12 is sleeved outside the screw. The motor is connected with the screw rod mechanism, and the material can be conveyed to a preset position by rotating the screw rod mechanism through the motor. The heating ring 12 is sleeved outside the screw rod to heat the material in the screw rod, and the solid material is heated and melted to be changed into liquid.

In some other embodiments, the scent powder is tea powder. The tea powder is used as a natural raw material, does not emit harmful gas during processing, and is environment-friendly and pollution-free.

In some other embodiments, the heating temperature of the heating ring 12 ranges from 200 to 250 ℃. By controlling the heating ring 12 within the above range, the raw material can be changed from a solid state to a liquid state, and the characteristics of the raw material can be prevented from being damaged due to an excessively high temperature.

In some other embodiments, an electrostatic electret 5 is included. After the electrostatic electret 5 is provided to the web 4, the fragrance meltblown 72 is subjected to corona charging treatment. The electrostatic electret 5 performs corona charging treatment on the meltblown fabric 72. The electrostatic electret 5 technology makes the meltblown 72 charged, and a large number of electrodes are formed between the charged fibers in combination with the characteristic of compactness of the meltblown microfiber material. The filtering material treated by the electrostatic electret 5 has the advantages of high efficiency, low resistance, adsorption of ultrafine particles and the like.

In order for the reader to more intuitively understand certain embodiments of the present application, the following examples are also provided for the reader's reference.

The embodiment provides a tea flavor melt-blown fabric 72 extruder which comprises an extruding device 1, a die 2, a mixing mechanism 3 and a net 4. The raw material is fed from the hopper 11 to the extrusion apparatus 1. A screw is provided in the extrusion device 1, and the screw is rotated by a motor to push the raw material. A heating ring 12 is arranged outside the screw, and the heating temperature is 230 ℃, so that the raw materials are converted from a solid state into a liquid state. The liquid molten material passes through a die 2 and a spinneret 21, a spray hole 211 is arranged on the spinneret 21, the shape of the spray hole 211 is conical, the angle is 60-70 degrees, and the diameter of the spray hole is 0.3mm. Two rows of parallel spray holes 211 are formed in the spinneret plate 21, materials are fed into the net 4 through the spray holes 211 of the spinneret plate 21, and hot air is continuously conveyed to the die 2 and the spray nozzle side direction through the suspension fan 22 by the hot air furnace 23, so that the materials are kept at the liquid temperature. Meanwhile, the tea powder in the fluidization tub 32 is changed into mist by the vacuum spray pump 33 above the tub, and the tea powder is sprayed out in mist form through the distributor 31 uniformly distributed between the two rows of spray holes 211 of the spinneret 21. The atomized tea powder and the melted material are uniformly mixed and fall to the lower part of the net 4, the net 4 is connected with a draught fan 41, and the material can be adsorbed on the net 4 after falling and cooled to form the melt-blown cloth 72 with tea flavor. During the work, the net 4 is in a rotating state, and the melt-blown fabric 72 passes through the electrostatic electret 5 and the winder 6 after passing through the separating roller (the starting end is manually separated), and finally, the finished fabric is formed.

Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions which are generated by replacing or modifying the equivalent structure or the equivalent flow according to the contents described in the text and the drawings of the present application, and which are directly or indirectly implemented in other related technical fields, are included in the scope of protection of the present application.

Claims

1. A flavor meltblown fabric extruder comprising:

the mixing mechanism comprises a distributor, a fluidizing barrel, a vacuum spraying pump and a shaking table, wherein the distributor is arranged between the two rows of spray holes; the fluidization barrel is used for containing the incense powder, is arranged on the side edge of the mold and is connected with the distributor through the vacuum spray pump; the shaking table is arranged below the fluidization barrel;

and the net is formed and is arranged below the spinneret plate.

2. The flavor meltblown fabric extruder of claim 1 wherein said orifice is conical in shape, said cone having an apex angle of from 60 to 70 degrees and said orifice has a diameter in the range of 0.3mm.

3. The flavor meltblown fabric extruder of claim 1 wherein said dispensers are two in number and are each connected to a vacuum spray pump on both sides; the dispenser is provided with a plurality of hollow pipelines, and through holes allowing the incense powder to be sprayed out are formed in the pipelines; the pipeline comprises a horizontal pipe section and a vertical pipe section, wherein the horizontal pipe section is connected with the vertical pipe section, and the vertical pipe section extends downwards.

4. The flavor meltblown fabric extruder of claim 1, comprising:

and the induced draft fan is connected with the net formation to make the molten material and the incense powder adsorbed on the net formation.

5. The flavor meltblown fabric extruder of claim 1 comprising a hot air furnace and a fan, said hot air furnace being connected at one end to said fan and at the other end to said die and said spinneret.

6. The flavor meltblown fabric extruder of claim 5 wherein the spinneret has a plurality of hot air ports formed in a bottom portion thereof, said hot air ports being disposed on opposite sides of said nozzle.

7. The flavor meltblown fabric extruder of claim 1 wherein said extrusion means comprises a motor, a screw mechanism, and a heating ring, said motor being coupled to said screw, said heating ring being disposed about said screw.

8. The flavor meltblown fabric extruder of claim 7 wherein said heating coil is heated at a temperature in the range of 200 ℃ to 250 ℃.

9. The flavor meltblown fabric extruder of claim 1 wherein said flavor powder is tea powder.

10. The flavor meltblown fabric extruder of claim 1, comprising: