TW202330289A - The method of using the bacteriologic filtration composite membrane processing wheel set machine - Google Patents

Abstract

The present invention provides a method of using bacteriologic filtration composite membrane processing wheel set machine, which is composed of a glue supply wheel group, at least two material supply wheel groups, and a material receiving wheel group in series. The present invention is used to prepare a composite membrane with the function of bacteriologic filtration, which can effectively filter more than 99% of bacteria, viruses, and PM2.5 particles in the air, and reach an air exchange pressure of less than 5mmH ₂O/cm ². Especially, by separately adjusting the temperature of the wheels with different functions, the amount of glue and the depth of glue are effectively controlled and the integrity of the fiber structure of the filter material is ensured at the same time. The glue can be evenly applied to the material to achieve stable air permeability and breathing resistance.

Description

How to use the filter composite membrane processing wheel set

The present invention relates to a method of using a processing wheel set, especially a processing wheel set applied to the preparation of a bacteria-filtering composite material, which can be controlled separately among the wheel bodies with various functions contained in the bacteria-filtering composite film processing wheel set of the present invention. temperature to achieve the effect of stably bonding each raw material layer.

Coating machines are commonly used in various industries, for example, in printing technology, air filter material processing, and textile textile processing. Although there are a variety of equipment with glue supply and coating functions in the prior art, for each product in different application fields The special requirements are different, depending on the characteristics of the materials used and the possible microscopic changes caused by the ambient temperature during the preparation process, which are enough to affect its performance.

In the coating equipment used for masks, since the masks are mainly composed of composite fibers, in addition to achieving a certain filtration efficiency, the breathability of the user must also be considered when wearing it. In other words, the use of a coating machine to prepare masks must be based on the characteristics of the material itself to avoid damage to the structure of the fiber material itself. In the lamination process of multi-layer raw materials, it is also necessary to consider whether the operating temperature will affect the respiratory filtration resistance during processing.

Traditionally, "melt-blown cloth", an important raw material for the production of masks, is commonly known as the "heart" of masks. It has good filterability, shielding properties, heat insulation and oil absorption. It is spun through a spinneret with ultra-fine nozzles, making it a high-performance polypropylene melt-blown filter material with finer fibers than other materials. In recent years, due to the large demand for epidemic masks, the production of KN95 ES hot air cotton has become more and more popular. It is a new type of thermal bonding composite fiber. The "hot air" of hot air cotton refers to a process. The hot air on the drying equipment penetrates the fiber web, making it heated and bonded to form a non-woven fabric. When the carded fiber web is thermally bonded by hot-rolling or hot-air penetration, the low-melting point components form fusion bonds at the intersections of fibers. After cooling, the non-intersection fibers remain in their original state, so the process is a form of "point bonding" rather than "area bonding".

As mentioned above, carding the fibers into a web, laying the carded cotton to the specified width and thickness according to the parameters, pressing the fiber density of the filter material, and the way of viscose coating when different fibers are hot-pressed to synthesize the composite film are all enough to affect Finally, the filtering performance of the mask is very important, so the operation method of the coating machine is particularly important.

In order to solve the problems of the prior art, the object of the present invention is to provide a method for using the wheel set for processing bacteria-filtering composite membranes, which has a constant temperature and temperature adjustment device with different wheel body settings, a wheel set with controllable gaps, and has the ability to adjust the amount of glue and the amount of glue applied. The wheel set for the glue depth and the wheel set for adjusting the unfolded raw material layer to prepare a bacteria-filtering composite membrane with stable air permeability, respiratory impedance, and air cross-pressure difference less than 5mmH ₂ O/cm ² .

As above, the present invention provides a method for using the bacteria-filtering composite membrane processing wheel set, which includes the following steps: (A) providing the aforementioned bacteria-filtering composite membrane processing wheel set; B) Adjust the temperature of one rubber supply wheel, one engraved wheel and at least two hot pressing wheels respectively; (C) adjust at least one gap between the wheels; (D) fix at least one raw material layer on an unwinding mechanism; (E) setting at least one speed difference of the bacteria-filtering composite membrane processing wheel set; (F) pouring a viscose material into the first gap and waiting until it melts; (G) starting the bacteria-filtering composite membrane processing wheel set.

Wherein, the rubber supply wheel, the engraved wheel and the at least two hot pressing wheels all have temperature-controllable constant temperature and temperature adjustment modules, so as to control the temperature of the wheel bodies with different functions respectively.

The purpose of the above brief description of the present invention is to make a basic description of several aspects and technical features of the present invention. The summary of the invention is not a detailed description of the invention, so it is not intended to specifically list the key or important elements of the invention, nor is it used to define the scope of the invention, but to present several concepts of the invention in a concise manner.

In order to be able to understand the technical features and practical effects of the present invention, and to implement it according to the contents of the description, the preferred embodiment shown in the drawings will be described in detail as follows:

The present invention provides one of the preferred embodiments. Regarding the use method of the bacteria-filtering composite film processing wheel set of the present invention, please refer to Figure 1 at first. 2. At least two feeding wheel sets 3 and receiving wheel sets 4 are connected in series. The rubber supply wheel group 2 includes: a rubber supply wheel 210; an engraved wheel 220, which is connected to the rubber supply wheel 210 through a distance of a first gap G1; The flower wheel 220 is connected; a first hot pressing wheel 240a is connected to the transfer wheel 230 through a supporting layer A; and a second hot pressing wheel 240b is connected to the first hot pressing wheel 240a through a third gap G3. Wherein, the surface of the engraving wheel 220 has an adhesive layer C for reposting on the reposting wheel 230 . Each group of the at least two feed wheel sets 3 includes: a first feed wheel set 3a, a first feed wheel 310a, a first expansion wheel set 320a are sequentially connected in series from the supporting layer A and extend to The second gap G2, the third gap G3; and a second feed wheel set 3b, a filter layer B is sequentially connected with a second feed wheel 310b, a second expansion wheel set 320b and extends to the The third gap G3. Wherein, the first expansion wheel set 320a is connected to the transfer wheel 230 through the supporting layer A; wherein, the second expansion wheel set 320b is connected to the second hot pressing wheel 240b through the filter layer B. Each set of at least one receiving wheel set 4 includes: a third expansion wheel set 420 connected to the third gap G3 through a composite layer D; and a receiving wheel 430 connected to the third gap G3 through the composite layer D Expansion wheel set 420.

As mentioned above, a kind of bacteria-filtering composite material is prepared from the embodiment of the aforementioned bacteria-filtering composite membrane processing wheel set 1. The bacteria-filtering composite material can filter bacteria, viruses, and PM2.5 particles in the air, and can be used in masks, air Filter elements, etc., the effect achieved is that the filtration efficiency reaches more than 99%, and the air cross pressure difference is less than 5 mmH ₂ O/cm ² . Please continue to refer to FIG. 1 , the bacteria-filtering composite material includes at least two layers of raw materials to be attached to each other, and multiple raw material layers are prepared by at least two feeding wheel sets. In this embodiment, these raw material layers are a filter layer B and a support layer A, which pass through a viscose layer C (as shown in the dotted line on the wheel surface of the engraved wheel 220 in Figures 1 and 3). Adhere to each other to form a composite layer D. In addition, the supporting layer A is prepared by the first feeding wheel set 3a; the filter layer B is prepared by the second feeding wheel set 3b. Specifically, the filter layer B can be polytetrafluoroethylene (PTEE), the thickness is between 0.0001-0.03 mm, and the air permeability is between 100-400 L/m²*S. Since the filter layer B is relatively thin, a support layer A must be compounded to increase its workability. Generally speaking, the support layer A can be non-woven fabric of polypropylene (PP), polyethylene terephthalate (PET), polyethylene (PE) or a combination of the above mixed fibers, and its thickness can be adjusted according to different application requirements. Optional, the present invention is not limited. However, the material of the adhesive layer C can be polypropylene (PP), polyethylene (PE), moisture-responsive hot melt adhesive, as long as the suitable processing temperature is met, it is within the scope of the present invention.

In this embodiment, first, please refer to FIG. 1 , FIG. 2 and FIG. 3 for the rubber supply wheel set 2 . The rubber supply wheel set 2 sequentially includes a rubber supply wheel 210 , an engraving wheel 220 , a transfer label wheel 230 and at least two hot pressing wheels 240 . In the setting of this embodiment, the rubber supply wheel 210 is a kind of cutter wheel, which includes a fixed long inclined plate 2100 for accommodating the glue material, and the length is usually 1-3 meters. Furthermore, the rubber supply wheel 210 provides the primary procedure for the operation of the rubber supply wheel set 2: providing the material of the adhesive layer C as described in the preceding paragraph, in other words, providing the source of adhesive for the adjacent engraved wheel 220 . In order to stabilize the viscosity of the material of the adhesive layer C and its internal friction, as well as to improve the fluidity and uniformity, the rubber supply wheel 210 is equipped with a temperature control module that can be heated at a constant temperature, so that the entire gluing process is not affected. Changes in temperature affect the amount of glue applied and the permeability of the glue.

Please continue to refer to FIG. 2 and FIG. 3 , the engraved wheel 220 adjacent to the rubber supply wheel 210 is set as a metal wheel set that can control the speed, and the length needs to match the rubber supply wheel 210 . In addition, the gap between the base of the metal wheel set and the rubber supply wheel 210 can be adjusted forward and backward. The present invention defines this gap as "the first gap G1", wherein the first gap G1 is 0.1 to 5 times that of the supporting layer A thickness. Specifically, concave holes of uniform depth and size are provided on the surface of the engraved wheel 220 for receiving or accommodating the adhesive material from the rubber supply wheel 210 . In addition, the temperature control module with a constant temperature heating function installed in the engraving wheel 220 properly melts the viscose material to a proper viscosity and fluidity, so that the viscose material is sufficiently viscous to stay in each concave hole, In this way, the patterns presented by the concave holes on the surface of the engraved wheel 220 are reflected in the difference in thickness of the adhesive layer C coated on the surface of the engraved wheel 220 . In one embodiment, the number of concave holes is greater than 2000 meshes/inch, the depth of the concave holes is less than 0.02 millimeters (mm), and the surface roughness Ra is less than 0.3 micrometers (um). In this embodiment, the engraving wheel 220 is applied to the dispensing transfer coating technology, and the pattern formed by the aforementioned concave holes is used to transfer the glue on the wheel to the support layer A on the reposting wheel 230 to achieve pattern dispensing.

In this embodiment, a reposting wheel 230 is further provided adjacent to the engraving wheel 220 . The reposting wheel 230 is a wheel set whose rotation speed can be controlled, and the length must be matched with the rubber wheel 210 . Same as above, the wheel set base can adjust the gap between the transfer wheel 230 and the engraved wheel 220 back and forth, the present invention defines the gap as "second gap G2", wherein the second gap G2 is 0.5~ 3 times the thickness of support layer A. The transfer process can use forward transfer coating or reverse transfer coating. Specifically, whether it is forward transfer coating or reverse transfer coating, it is adjusted by controlling the rotation direction and the speed difference ratio of the engraving wheel 230 and the transfer wheel 230, so that the adhesive with different thicknesses on the engraving wheel 220 The adhesive layer C is pattern-attached to the support layer A surrounding the transfer wheel 230, so that the adhesive layer C is attached to the support layer A, and then closely adhered to the filter layer B in the subsequent steps.

In order to avoid the problem of delamination after gluing, the concave holes on the surface of the engraved wheel 220 can effectively control the amount of gluing, the position of gluing and the area of gluing, so that the materials of support layer A and filter layer B have a good initial adhesion force, further Improve the yield of bacterial filtration composite membrane. In other words, if the uniformity of the amount of glue is properly controlled, the air permeability of the bacterial filtration composite membrane can be averaged and the air resistance can be stabilized.

In addition, in order to avoid damage to the fiber material during the process of attaching the adhesive layer C5 on the surface of the engraving wheel 220 to the support layer A wound around the surface of the transfer wheel 230 , the surface of the transfer wheel 230 may be provided with a polymer layer. Specifically, the polymer layer is elastic silicone, natural rubber or synthetic rubber. In some possible embodiments, the reposting wheel 230 has a pressure regulator, which can effectively control the depth of the viscose penetrating into the fiber of the support layer A, so as to achieve a good adhesion effect with a very small amount of viscose. In other words, the pressure adjustment The device can effectively save the amount of viscose material.

According to the above, as shown in Figure 1, the first raw material layer (in this embodiment, the support layer A) that has been attached with the adhesive layer C passes through the transfer wheel 230, the first hot pressing wheel 240a in sequence, and The first hot pressing wheel 240a passes through the third gap G3, and the first raw material layer with the adhesive layer C (in this embodiment, filter material) brought into the third gap G3 by the first hot pressing wheel 240a Layer B) overlaps the second material layer (filter layer B in this embodiment) with the adhesive layer C adhered to it.

The last procedure of the rubber wheel set 2: the heat pressing step is performed by the heat pressing wheel 240, please refer to Fig. 1~Fig. 3 . In this process, it is mainly to assemble multiple layers or films to be bonded for thermal pressing. In this embodiment, the rubber supply wheel set 2 includes at least two hot-pressing wheels, and the two hot-pressing wheels are metal wheel sets whose rotation speed can be controlled, and the length needs to match the rubber supply wheel 210 . In detail, the two heat-pressing wheels 240 include a first heat-pressing wheel 240a and a second heat-pressing wheel 240b. Wherein, the first hot pressing wheel 240a is connected to the reposting wheel 230 through the supporting layer A, and the first hot pressing wheel 240a has a heating mechanism with adjustable temperature. Wherein, the second hot-pressing wheel 240b is connected to the first hot-pressing wheel 240a through the third gap G3, and the surface of the second hot-pressing wheel 240b is provided with the aforementioned polymer layer, and the intended purpose is also to provide elasticity to Protect the fibers of filter layer B or support layer A. Moreover, the "third gap G3" defined in the present invention is the gap between the first hot-pressing wheel 240a and the second hot-pressing wheel 240b, and the third gap G3 is 0.5-1.5 times the thickness of the supporting layer A. Specifically, different raw material layers from different feeding wheel sets 3 are in contact with the third gap G3. Since the hot pressing wheel 240 has a temperature control module with a stable heating function, it can be adjusted according to the ratio of the third gap G3. The thickness of the adhesive layer C between the material layers (in this embodiment, the support layer A and the filter layer B) makes the viscosity and fluidity of the material of the adhesive layer C uniform, thereby stabilizing the air permeability and respiratory impedance.

Please refer to FIG. 1 for at least two feeding wheel sets 3 . Generally speaking, the quantity of the feeding wheel set 3 is determined according to the quantity of raw material layers, that is, how many layers of the composite bacteria-filtering membrane are laminated. For example, since there are two raw material layers in this embodiment, that is, the supporting layer A and the filtering layer B, the feeding wheel set 3 is set in two groups. In this embodiment, the at least two feed wheel sets include: a first feed wheel set 3a, a first feed wheel set 310a, a first expansion wheel set 320a and Sequentially extend to the second gap G2, the third gap G3; and a second feed wheel set 3b, a filter layer B is sequentially connected to a second feed wheel set 3b, a second expansion wheel set 320b and extend to the third gap G3. Wherein, the first expansion wheel set is connected to the reposting wheel through the supporting layer; wherein, the second expansion wheel set is connected to the second hot pressing wheel through the filter layer. In other words, the first feeding wheel set 3a is the source of the material for the supporting layer A, and is cut into the series of rubber supplying wheel sets 2 by the second gap G2 at the transfer wheel 230; the second feeding wheel set 3b is In order to provide a source of material for the filter layer B, the third gap G3 of the second hot pressing wheel 240b is cut into the series connection of the supply rubber wheel set 2 .

Each set of at least one receiving wheel set 4 includes: a third expansion wheel set 420 connected to the third gap G3 through a composite layer D; and a receiving wheel 430 connected to the third gap G3 through the composite layer D Expansion wheel set 420. In some possible embodiments, each feeding wheel set 3 can further set the number of tension wheels 500 according to the value of the tension sensor provided on the mechanism. The setting purpose of the tension wheel 500 is to effectively adjust the degree of tension that the raw material layer is spread on according to the speed difference setting between the wheel sets 1 for processing the bacteria-filtering composite membrane.

Based on the above, the expansion wheels 320a, 320b, 420 are respectively arranged on different feeding wheel sets 3a, 3b or receiving wheel sets 4 according to the wheel sets. For example, the first expansion wheel set 320a arranged in the first supply wheel set 3a is connected to the first expansion wheel set 320a through the support layer A passing through and against the first expansion wheel set 320a so that both ends of the support layer A are respectively connected to the first expansion wheel set 320a. The transfer wheel 230 and the first supply wheel 310a. The first expansion wheel set 320a increases the uniformity of the material of the support layer A when it is glued by spreading and flattening the material of the support layer A. On the other hand, the second expansion wheel set 320b included in the second feeding wheel set 3b is connected to the second expansion wheel set 320b by the filter layer B passing through and against the second expansion wheel set 320b so that the two ends of the filter layer B are respectively connected to the second expansion wheel set 320b. The hot pressing wheel 240b, the first hot pressing wheel 240a and the second supply wheel 310b. The second expansion wheel set 320b helps the filter layer B to maintain the original air-permeable effect by stretching and flattening the material of the filter layer B.

Please refer to FIG. 1 , when the aforementioned multiple feeding wheel sets 3 are collected at the hot pressing wheel 240, that is, through the adhesive layer C, multiple raw material layers are placed at the third gap G3 between the two hot pressing wheels 240. After hot-press lamination, the preliminarily laminated composite layer D is rolled out from the third gap G3, and then immediately transported to the receiving wheel set 4 for further processing. Wherein, the quantity of the receiving wheel group 4 can be set according to requirements, and each of the receiving wheel group 4 includes: at least one expansion wheel 420, which is connected to the aforementioned first hot pressing wheel 240a, second hot pressing wheel 420 through the composite layer D The wheel 240b; and the receiving wheel 430 are connected to the expansion wheel 420 through the composite layer D, and the receiving wheel 430 receives the laminated composite film D.

Wherein, the expansion wheel set included in the at least one receiving wheel set 4 is the third expanding wheel set 420, and the two sides of the composite layer D are respectively connected between the two hot pressing wheels 240a, 240b and the receiving wheel set Wheel 430. The third expansion wheel set 420 is a wheel set that can control the speed. The length needs to be matched with the rubber supply wheel 210. The bases at both ends have adjustable angle mechanisms. The purpose of this setting is to open and flatten the compounded finished product. Make it have the best flatness when rolling.

Further, please refer to FIG. 1, in this embodiment, the expansion wheel sets 320a, 320b, 420 can be arranged in the supply wheel sets 3a, 3b or the receiving wheel set 4 according to requirements, and each expansion wheel set More than one expansion wheel may be provided. Wherein, each of the expansion wheels 320a, 320b, 420 is provided with a silicon rubber strip on the surface, please refer to Fig. 4, Fig. 4 is an embodiment of the expansion wheel of the bacterial filtration composite membrane processing wheel set 1 of the present invention, wherein the left side is a top view schematic diagram, and the right side A schematic diagram of the side. In detail, the expansion wheels 320a, 320b, and 420 are silicon rubber strip type expansion wheels, which are a wheel set that can control the speed. Including the adjusting screw 2000 as shown in Figure 4, the expansion wheels 320a, 320b, 420 can be extended or shortened according to the positions of different axes (silicon rubber strips), and the purpose of setting is to open and flatten the material of the raw material layer. For example, as shown in the top view of the expansion wheel on the left side of Figure 4, the adjusting screw 2000 at the position of the upper axis can be rotated to shorten the axis, or at the same time, the adjusting screw 2000 at the position of the lower axis can be rotated to elongate the axis of the lower end, so that the raw material layer Lay flat on the horizontal surface of the expansion wheel axis, that is, adjust the extension degree of different orientations from the x-axis and y-axis directions respectively. Specifically, through the expansion and contraction of the silicone rubber strip on the wheel surface, the material of the raw material layer reduces friction during processing, and maintains an even and uniform unfolding, without causing wrinkles, deformation, and relaxation of the raw material layer. Thereby stabilizing the filtration efficiency. According to the above, the setting of the expansion wheels 320a, 320b, 420 and the tension wheel 500 is related to the degree of adjusting the spread of the material. On the one hand, the expansion wheels 320a, 320b, 420 control the spread of the material on it through the adjustment of the angle of the mechanism itself. The flatness and uniformity of the material, while the tension wheel 500 can more finely adjust the tension of these materials. The tension is adjusted according to the rotation speed of each wheel set, the speed difference and the setting gap between the wheel sets. The parameters of the volume mechanism are included in one of the influencing factors.

The technical feature of the present invention is that the thickness of the adhesive layer C, the uniformity of the amount of gluing, and the depth of gluing can all be adjusted through the mechanism design of the bacteria-filtering composite membrane processing wheel set 1 of the present invention, so as to further effectively control the thickness of the bacteria-filtering composite membrane. Air permeability and air resistance stability. Specifically, the basis for effective adjustment is that the rubber supply wheel 210, the engraved wheel 220, and the hot pressing wheel 240 are all equipped with a temperature control module for constant temperature heating, which not only provides plasticity due to high temperature melting of the glue, but also enables The viscosity, fluidity, and uniformity of the viscose material must be controlled within a certain range. In addition, the pressure regulator provided on the transfer wheel 230 can effectively control the penetration depth of the viscose into the fibers and improve the use efficiency of the viscose.

In summary, the bacteria-filtering composite film processing wheel set 1 of the present invention is a multifunctional compound machine, which integrates the rubber supply wheel 210, the carved wheel 220, the transfer wheel 230, the hot pressing wheel 240, the expansion wheel 320a, 320b, 420, and the tension wheel 500, receiving wheel 430 and other functions in one, and since the temperature control modules are respectively installed on the rubber supply wheel 210, the engraving wheel 220 and the hot pressing wheel 240, the temperature control range can be set separately for different processing steps. Further, a higher temperature can be set in the melting step of the supply rubber wheel 210, and when the raw material layer is added to the supply rubber wheel group 2 in series in the subsequent steps, that is, the transfer wheel 230 that the support layer A enters and the filter layer B The entering hot pressing wheels 240a, 240b can respectively be set to a lower temperature suitable for the material to avoid damage to the fiber itself of the raw material layer. In other words, in addition to taking into account the integrity of the raw material layer fiber itself to avoid being damaged by high temperature, it is more effective to control the amount of viscose according to the size of the gap between the wheel sets and the size of the speed difference, and stabilize the filtration efficiency of the bacteria-filtering composite membrane.

The present invention further provides a method for implementing the above-mentioned bacteria-filtering composite membrane processing wheel set 1, wherein a preferred embodiment, please refer to Fig. 5, the described bacteria-filtering composite membrane processing method comprises the following steps: (A) providing the aforementioned Bacteria-filtering composite membrane processing wheel set 1; (B) a rubber supply wheel 210, a carved wheel 220, a first hot pressing wheel 240a and a second hot pressing wheel 240b are respectively temperature-regulated; (C) adjust the temperature between the wheels At least one gap; (D) fixing a support layer A, a filter layer B or a combination thereof on an unwinding mechanism; (E) setting at least one speed difference of the bacteria-filtering composite membrane processing wheel set 1; (F ) Pour a viscose material into the rubber supply wheel 210 and wait until it melts; (G) start the bacteria filter composite membrane processing wheel set 1 .

In this embodiment, firstly, in step (A), the above-mentioned bacteria-filtering composite membrane processing wheel set 1 is prepared. Next, if the step (B) is a temperature adjustment procedure, the temperature of the rubber supply wheel 210 , the engraved wheel 220 , the first hot pressing wheel 240 a and the second hot pressing wheel 240 b are adjusted to different temperatures respectively. Wherein, the rubber supply wheel 210 is set to a first temperature, and the "first temperature" is set to a temperature at which the adhesive material can be melted. Specifically, the adhesive material of the rubber supply wheel is melted to form a uniform adhesive layer C Apply to the engraved wheel. The viscose material must be selected with a material that meets the viscosity and fluidity of the viscose, so that the first temperature range of the heating can melt the material of the viscose layer C to the exact viscosity and fluidity.

In addition, the temperature adjustment procedure of step (B) further includes adjusting the temperature of the engraved wheel 220 to a second temperature, and adjusting the temperature of the first hot pressing wheel 240a and the second hot pressing wheel 240b to a third temperature. The "second temperature" is lower than the above-mentioned "first temperature". , can be slightly cooled and solidified to a certain stagnation force so that the original fluid viscose material can be stably attached to the surface of the carved wheel without being separated due to gravity, so that an adhesive layer C with a stable average thickness is formed on the surface of the carved wheel evenly .

For example, when the rubber supply wheel 210 provides adhesive material to the engraved wheel 220, the temperature control module in the rubber supply wheel 210 is heated to the "first temperature" and then the temperature control device in the engraved wheel 220 is controlled to " The second temperature" is used to achieve sufficient viscosity and reduce fluidity. On the one hand, it ensures that the viscose material is condensed on the surface of the engraved wheel 220 to form a surface of a viscose layer C, ensuring that the viscose layer C has a uniform thickness. , to provide a stable source of glue for the adjacent reposting wheel 230; Fibrous material that damages the raw material layer due to excessive high temperature.

Continuing with the aforementioned step (B), the "third temperature" is adjusted by the constant temperature control module in the first hot pressing wheel 240a and the second hot pressing wheel 240b to be sufficient to perform the hot pressing process of the composite film. Specifically, it is commonly used in the melt-blowing step in the preparation of masks to partially melt the raw material layer to achieve the purpose of sticking different raw material layers together. Therefore, the "third temperature" must be set according to the type of use of the raw material layer.

Furthermore, the step (C) is a gap adjustment procedure, adjusting at least one gap between the wheels. The "at least one gap" here may be the distance between any adjacent wheel bodies, so the number of gaps is not limited to this embodiment. Specifically, in this embodiment, the "at least one gap" includes the first gap G1, the second gap G2, the third gap G3 or a combination thereof. Adjust to the first gap G1, adjust the engraving wheel 220 and the transfer wheel 230 to the second gap G2, adjust the first hot pressing wheel 240a and the second hot pressing wheel 240b to the The third gap G3. In one embodiment, the first gap G1 is 0.1 to 5 times the thickness of the support layer A, the second gap G2 is 0.5 to 3 times the thickness of the support layer A, and the third gap G3 is 0.5 to 1.5 times the thickness of the support layer A. times the thickness of the support layer A. Generally speaking, the first gap G1, the second gap G2 and the third gap G3 are gradually reduced, so that the thickness of the adhesive layer C, raw material layer or composite layer D becomes lighter and thinner with the number of compaction times between the wheels, The number of these gaps can be adjusted according to the changes between the wheel sets, which is not limited by the present invention.

Then, after the gap between the wheel sets is adjusted, proceed to step (D)—a cloth pulling and guiding procedure, and fix multiple raw material layers on an unwinding mechanism respectively. In this embodiment, the material layers further include a support layer A and a filter layer B. The guide cloth program is to spread the support layer A and the filter layer B flat on the unwinding mechanism, so that the raw material layer can take each wheel group as a fulcrum and straddle various wheel bodies to perform functions (for example: glue supply) , reposting, hot pressing, etc.). Specifically, please refer to FIG. 1, wherein the support layer A starts from the first feeding wheel 310a and passes through the tension wheel 500, the expansion wheel 320a, the second gap G2 and the third gap G3 in sequence; wherein the filter layer B starts from the second feeding wheel 310b and passes through the expansion wheel 320b and the third gap G3 in sequence, that is, the filter layer B starts to contact the support layer A that has been transferred with adhesive in the third gap G3 for the first heat pressing combine. In addition, one end of the filter layer B is fixed on the support layer A, so that when the whole wheel set rotates towards the end of the receiving wheel 430, the filter layer B and the support layer A will move towards the receiving wheel 430 together with the operation of the wheel set. . Among them, in some other embodiments, the feeding wheel set 3 can also be provided with additional expansion wheels 320a, 320b or tension wheels 500 in addition to the aforementioned wheel set settings, so that the raw material layer (supporting layer A or filter layer B) reaches Fully and thoroughly spreads and spreads over each wheel surface.

Until each raw material layer completes the guide cloth program, step (E) is performed to set at least one speed difference of the bacteria-filtering composite membrane processing wheel set 1 . Furthermore, the speed difference is the relative rotational speed of two adjacent wheel bodies. Specifically, the speed difference between the engraved wheel 220 and the reposting wheel 230 can be set to be 0%~100%, and the speed difference between the rubber supply wheel 210 and the engraved wheel 220 can also be set to be 0%~100%. The purpose of setting the speed difference is to adjust the duration or amount of this stage. For example, by setting the speed difference between the engraving wheel 220 and the transfer wheel 230, it is possible to control the coating of the adhesive layer C on the surface of the engraving wheel 220 on the support layer A. area and the amount of glue applied.

After completing the aforementioned procedure of setting the speed difference, step (F) can be performed to pour a viscose material into the first gap G1 and wait until it melts. Please refer to Fig. 3, the rubber supply wheel 210 includes the fixed long inclined plate 2100, which is used to accommodate the adhesive material, and after the temperature control device of the rubber supply wheel 210 is heated to the melting temperature, along with the rubber supply wheel 210 and the carving During the process of relative rotation between the flower wheels 220, the melted adhesive material is attached to the surface of the engraved wheel 220 to form a uniform adhesive layer C, or the corresponding adhesive layer C is attached according to the distribution depth of the concave holes on the surface of the engraved wheel 220. The amount of glue and the adhesive material showing the fixed pattern of the concave holes are further transferred to the surface of the raw material layer of the transfer wheel 230 according to the adhesive material of the fixed pattern presented by the concave holes.

After the viscose material contained in the rubber supply wheel 210 is melted, it enters step (G) to start the procedure of the bacteria-filtering composite film processing wheel set 1 . Wherein, the start-up procedure further includes adjusting the rotational speed of the bacteria-filtering composite membrane processing wheel set 1 . In this embodiment, the rotational speed range may be 0 m/min to 20 m/min, and the rotational speed of adjacent wheel bodies is adjusted accordingly according to the function of the wheel set, which is not limited by the present invention.

In summary, the object of the present invention is to provide a method for using the bacteria-filtering composite film processing wheel set 1, which is mainly composed of a rubber supply wheel set 2, a feeding wheel set 3, and a receiving wheel set 4 wheels with three functions. The bacteria-filtering composite membrane processing wheel set 1 is used to prepare a composite membrane with a bacteria-filtering function, wherein the bacteria-filtering composite membrane includes a filter layer B, a support layer A, an adhesive layer C, a support layer A and a filter layer B After being closely bonded by the adhesive layer C, it becomes a composite layer D, which is the bacteria-filtering composite membrane of the present invention. The bacteria-filtering composite membrane can effectively filter out more than 99% of bacteria, viruses, and PM2. The difference is less than 5 mmH ₂ O/cm ² . The technical feature of the method of using the bacteria-filtering composite film processing wheel set of the present invention is that by adjusting the temperature of the wheel body with different functions, the amount of glue applied and the depth of glue applied can be effectively controlled while ensuring the integrity of the fiber structure of the bacteria-filtering material. The glue can be evenly applied to the material to achieve stable air permeability and respiratory resistance.

But what is described above is only a preferred embodiment of the present invention, and should not limit the scope of implementation of the present invention, that is, the simple changes and modifications made according to the patent scope and description of the present invention still belong to the present invention within the scope covered.

1: Bacteria filter composite membrane processing wheel set 2: Rubber wheel set 210: Rubber supply wheel 2100: fixed long inclined plate 220: carved wheel 230: Reposting wheel 240a: the first hot pressing wheel 240b: the second hot pressing wheel G1: first gap G2: second gap G3: third gap 3a: The first feeding wheel set 310a: first feed wheel 320a: The first expansion wheel set 3b: The second feeding wheel set 310b: Second feed wheel 320b: second expansion wheel set 4: Receiving wheel set 430: receiving wheel 420: The third expansion wheel set 2000: Adjustment screw 500: tension wheel A: support layer B: filter layer C: adhesive layer D: Composite layer (A)~(G): Steps

Fig. 1 is a schematic side view of an embodiment of the wheel set for processing bacteria-filtering composite membranes of the present invention.

Fig. 2 is a schematic side view of an embodiment of the rubber supply wheel set of the bacteria-filtering composite membrane processing wheel set of the present invention.

Fig. 3 is a schematic diagram of an embodiment of gluing the engraved wheel of the bacteria-filtering composite membrane processing wheel set of the present invention.

Fig. 4 is a schematic top view and a schematic side view of an embodiment of the expansion wheel of the bacteria-filtering composite membrane processing wheel set of the present invention.

Fig. 5 is a flow chart of an embodiment of the method for using the bacteria-filtering composite membrane processing wheel set of the present invention.

(A)~(G): Steps

Claims (11)

A method for using a bacteria-filtering composite membrane processing wheel set, comprising the following steps: (A) Provide a bacterial filter composite membrane processing wheel set; (B) Adjust the temperature of a rubber supply wheel, a carved wheel, a first hot pressing wheel and a second hot pressing wheel; (C) adjust at least one gap between the wheels; (D) Fixing a support layer, a filter layer or a combination thereof respectively on an unwinding mechanism; (E) setting at least one speed difference of the bacteria-filtering composite membrane processing wheel set; (F) Pour an adhesive material on the rubber supply wheel and wait until it dissolves; and (G) Start the filter composite membrane processing wheel set. The method of using the bacteria-filtering composite film processing wheel set as described in claim 1, wherein the step (B) further includes adjusting the temperature of the rubber supply wheel to a first temperature, and the first temperature is to melt a viscose material. The method for using the bacteria-filtering composite membrane processing wheel set as described in Claim 1, wherein step (B) further includes adjusting the temperature of the engraved wheel to a second temperature. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 1, wherein the step (B) further includes adjusting the temperature of the at least two hot pressing wheels to a third temperature. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 1, wherein in step (C) at least one gap includes a first gap, a second gap, a third gap or a combination thereof. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 5, wherein in step (D), the support layer passes through a first expanding wheel set, the second gap and the third gap in sequence. The use method of the bacteria-filtering composite membrane processing wheel set as described in claim 5, wherein step (D), wherein the filter layer passes through a second expansion wheel set and a third gap in sequence, and is fixed at the end of the filter layer on the support layer. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 3, wherein the first gap in step (C) is 0.1 to 5 times the thickness of the supporting layer. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 5, wherein the second gap in step (C) is 0.5 to 3 times the thickness of the supporting layer. The use method of the bacteria-filtering composite membrane processing wheel set as described in claim 5, wherein the third gap in step (C) is 0.5 to 1.5 times the thickness of the supporting layer. The method for using the bacteria-filtering composite membrane processing wheel set as described in claim 1, wherein step (G) further includes adjusting the rotation speed of the bacteria-filtering composite membrane processing wheel set to 0 m/min to 20 m/min.

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