CN111394885A - Antibacterial polypropylene melt-blown fabric and melt-blown preparation device - Google Patents
Antibacterial polypropylene melt-blown fabric and melt-blown preparation device Download PDFInfo
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- CN111394885A CN111394885A CN202010234973.7A CN202010234973A CN111394885A CN 111394885 A CN111394885 A CN 111394885A CN 202010234973 A CN202010234973 A CN 202010234973A CN 111394885 A CN111394885 A CN 111394885A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses an antibacterial polypropylene melt-blown fabric and a melt-blown preparation device, comprising: the device comprises a plurality of layers of conveyor belts, nozzles corresponding to the conveyor belts on each layer, a cooling device facing the conveyor belts, rollers on spreading surfaces of the conveyor belts, and a fabric cutting device, wherein the nozzles respectively spray melt-blown materials to the respective corresponding conveyor belts, the spreading surfaces of the conveyor belts are parallel and arranged in a step manner, air outlets of the cooling device exhaust air along the direction of a step connecting line, the cooling device finally contacts the conveyor belts on the air exhaust line to form a first conveyor belt, a light sensor is arranged on the first conveyor belt, the rollers are arranged near the light sensor, the tail end of the first conveyor belt is provided with the cutting device, the cutting device consists of a plurality of unit box bodies, an air pressure sensor is arranged at the corresponding position of the other side of the first conveyor belt on each unit box body, and the cooling device faces on the first conveyor belt in the conveying direction of the first conveyor belt, The air suction device, the roller and the cutting device are sequentially arranged, and the device integrates multiple steps of spraying, stacking and cutting of the melt-blown materials, and is convenient and rapid to operate.
Description
Technical Field
The invention relates to the field of melt-blown fabric preparation, in particular to an antibacterial polypropylene melt-blown fabric and a melt-blown preparation device.
Background
The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. Can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like.
The melt-blown gas filter material is formed by randomly distributing and sticking polypropylene superfine fibers together, has white, flat and soft appearance, the fineness of the fibers of the material is 0.5-1.0 mu m, and the random distribution of the fibers provides more heat bonding opportunities among the fibers, so that the melt-blown gas filter material has larger specific surface area and higher porosity (more than or equal to 75 percent). After the high-pressure electret filtering efficiency, the product has the characteristics of low resistance, high efficiency, high dust capacity and the like.
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 superfine fibers with the unique capillary structure of the melt-blown cloth increase the number and the surface area of the fibers in unit area, so that the melt-blown cloth has good air filtration performance, is a relatively good mask material, and plays an irreplaceable role in severe cases, bird flu and H1N1 virus outbreak seasons in large, medium and small medical institutions, earthquake and flood affected areas and in SARS, bird flu and H1N1 virus.
The existing melt-blown equipment has higher requirements, and after the melt-blown fabric is produced, the melt-blown fabric needs to be transferred to a mask factory for cutting processing, so that the process of converting melt-blown materials into melt-blown products is longer, and the automation degree of the melt-blown product manufacturing process is not high.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the bacteriostatic polypropylene melt-blown fabric and the melt-blown preparation device.
In order to achieve the purpose, the invention adopts the technical scheme that: an antibacterial polypropylene melt-blown fabric and a melt-blown preparation device comprise: the device comprises a plurality of layers of conveyor belts, nozzles corresponding to the conveyor belts on each layer, a cooling device facing the conveyor belts, rollers on spreading surfaces of the conveyor belts, and a fabric cutting device, wherein the nozzles respectively spray melt-blown materials to the respective corresponding conveyor belts, the spreading surfaces of the conveyor belts are parallel and arranged in a step manner, air outlets of the cooling device exhaust air along the direction of a step connecting line, the cooling device finally contacts the conveyor belts on the air exhaust line to form a first conveyor belt, a light sensor is arranged on the first conveyor belt, the rollers are arranged near the light sensor, the tail end of the first conveyor belt is provided with the cutting device, the cutting device consists of a plurality of unit box bodies, an air pressure sensor is arranged at the corresponding position of the other side of the first conveyor belt on each unit box body, and the cooling device faces on the first conveyor belt in the conveying direction of the first conveyor belt, The air suction device, the roller and the cutting device are sequentially arranged.
In a preferred embodiment of the present invention, the air outlet of the cooling device is in a long strip shape, the width of the air outlet surface of the air outlet is consistent with the width direction of the conveyor belts, the air flow blown by the cooling device sequentially passes through the ends of the conveyor belts in the conveying direction, the conveyor belts through which the air flow passes do not include the first conveyor belt, and the air flow finally reaches the paving surface of the first conveyor belt.
In a preferred embodiment of the present invention, the first conveyor belt is provided with an illumination sensor, the illumination sensor is divided into a light source and a receiving device, the light source is located on one side of the non-spreading surface of the first conveyor belt, the receiving device is located on one side of the spreading surface of the first conveyor belt, and the light source irradiates towards the receiving device.
In a preferred embodiment of the present invention, the axes of the rollers are parallel to the width direction of the first conveyor belt, the width of the rollers is arranged to be the same as the width of the first conveyor belt, and the surfaces of the rollers and the spreading surface of the conveyor belt run in the same direction and at the same speed.
In a preferred embodiment of the invention, the cutting device is composed of a plurality of unit box bodies, the unit box bodies are respectively connected with air pipes, the air pipes can suck and discharge air flow in the unit box bodies, and the lower opening plane of the unit box bodies is parallel to the paving surface of the first conveying belt.
In a preferred embodiment of the invention, a plurality of suction fans are respectively arranged on the conveyor belt, the suction fans are transversely arranged on the conveyor belt, the suction force is the largest at the position, away from the conveyor belt, of the melt-blowing nozzle, the suction force is the smallest at the position, close to the melt-blowing nozzle, of the conveyor belt, the suction force of the suction fans is linearly changed on the conveyor belt,
in a preferred embodiment of the present invention, the cutting device is composed of a plurality of unit box bodies, the first transmission belt is provided with through holes corresponding to the unit box bodies one to one, the lower openings of the unit box bodies completely contain the through holes, the non-paving surface of the first transmission belt is provided with an air pressure sensor, and when the unit box bodies press against the transmission belt, the unit box bodies and the air pressure sensor form a closed space.
In a preferred embodiment of the present invention, a cutting blade is disposed on a side of the unit case facing the first conveyor belt, and the cutting blade is capable of extending and retracting toward the first conveyor belt.
The invention also provides a preparation method of the bacteriostatic polypropylene melt-blown fabric, which is characterized in that the data processing comprises the following steps:
recording the jet flow rate of each nozzle as a, b and c …; recording the intensity x of light received by the illumination sensor when the melt-blown material passes through; recording the jetting flow of each nozzle and the received light intensity a + b + c + … = x of the light sensor at the same time, and establishing a comparison table.
The configuration process comprises the following steps:
firstly, determining the passing property in the thickness direction of the required melt-blown fabric, namely a value x, then adjusting the jet flow of each nozzle according to a comparison table, and finally obtaining the melt-blown fabric with the same passing property through the thickness change among multiple layers of materials.
In a preferred embodiment of the invention, the meltblown layers are water resistant and skin friendly.
In a preferred embodiment of the invention, the intensity of the light received by the illumination sensor is positively correlated with the air permeability of the melt-blown fabric in the thickness direction.
The invention also provides a stretching and debugging method of the bacteriostatic polypropylene melt-blown fabric, which is characterized by comprising the following steps of:
the first step, the box body of the unit is pressed downwards, and the four walls of the box body compress the melt-blown material on the spreading surface of the conveyor belt;
and the air pipe of the second step unit box body inhales air, the melt-blown fabric is expanded towards the air pipe under the influence of air pressure, the stretching degree of the melt-blown fabric is negatively related to the air pressure at the other side, the air pressure sensor feeds air pressure values back to the air pipe control device, and the air suction pressure is adjusted according to the air pressure values.
In a preferred embodiment of the invention, the negative correlation coefficient between the stretching degree of the melt-blown fabric and the air pressure is the light intensity x of the illumination sensor, and the larger the light intensity x is, the smaller the negative correlation coefficient is.
In a preferred embodiment of the invention, the mask has an antibacterial function, contains more than two layers of antibacterial melt-blown materials, has uniform thickness of the unit fabric, and has larger deformation closer to the middle position of the unit fabric in an unfolded state, so that the mask does not need to be cut and folded when being manufactured.
The invention also provides a nozzle with controllable spray width, which comprises: the melt-blown material cavity surrounds the air jet ports on the periphery of the melt-blown material cavity, and is characterized in that: the air jet path of the air jet is intersected with the outflow path of the melt-blown material, the jetted air flow drives the melt-blown material to be scattered on the conveying belt, and the air jet direction of the air jet is adjustable.
In a preferred embodiment of the invention, a plurality of cutting columns extend out of the unit box body, and the cutting columns can hang holes in the fabric.
In a preferred embodiment of the invention, the air jets are angled from the discharge path of the meltblown material in the range of 10 ° to 80 °, the greater the angle, the greater the width of the meltblown material on the belt.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the invention discloses a melt-blown fabric, which comprises a first conveyor belt, a receiving device, a sensor, a light source, a sensor and a controller, wherein the first conveyor belt is provided with an illumination sensor, light emitted by the light source penetrates through melt-blown materials to reach the receiving device, the higher the trafficability in the thickness direction of the melt-blown materials is, the higher the intensity of the received light is, the sensor feeds the light intensity back to each layer of melt-blown nozzles after receiving the light intensity, and the flow of each layer of melt-blown nozzles can be independently changed under the condition that the sum of the flow is consistent.
(2) The cutting device of the invention is provided with an air pressure sensor, the unit box body and the air pipe are positioned at one side of the melt-blown material, the other side is provided with the air pressure sensor, under the state that the unit box body is pressed down, the unit box body and the air pressure sensor form a closed space, only the upper air pipe of the unit box body is connected with the outside, when the air pipe sucks air to stretch the melt-blown fabric, the air pressure at the other side under the melt-spraying surface changes, the air pressure sensor feeds back the air pressure change data to the air suction device on the unit box body, the device is used for adjusting air pressure to obtain a proper deformation amount of the melt-blown fabric, the air pressure sensor feeds back air pressure change data to the illumination sensor, the illumination sensor selects proper thickness of the melt-blown fabric according to the deformation amount of the melt-blown fabric and the air pressure change data, the device can adjust the supply of raw materials in time through product type change, and the product is more excellent through convenient and quick feedback.
(3) The cooling device cools and shapes a plurality of layers of melt-blown materials in the falling process, reduces material bonding between the layers after the melt-blown materials fall on the first conveying belt, ensures that the melt-blown fabric after being overlapped and rolled has certain air permeability and is suitable for being used as products with multiple layers and requirements on air permeability, such as masks and the like, and the airflow blown out by the cooling device sequentially passes through the tail ends of the conveying directions of the plurality of conveying belts, so that the plurality of layers of melt-blown materials fall on the same position on the first conveying belt, and the cooling and limiting effects on the melt-blown materials are achieved.
(4) The cutting device comprises a plurality of unit box bodies, the box walls of the unit box bodies divide the melt-blown fabric into blocks to be pressed on the first transmission belt, the unit box bodies change the internal air pressure through the air pipes to stretch the middle position of the block melt-blown fabric, the surface area of the middle part of the block melt-blown fabric is increased, and the manufactured mask can be better attached to a human face; the lower opening of the unit box body is provided with a telescopic cutting edge and a cutting column, the cutting edge can separate the blocky fabric from the whole melt-blown fabric, and the cutting column can open hanging holes in the blocky fabric, so that the blocky fabric can be conveniently fixed by hanging ropes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a structural view of a cutting apparatus according to a first embodiment of the present invention;
in the figure: 1. a cooling device; 2. a conveyor belt; 21. a first conveyor belt; 31. a light source; 32. a receiving device; 4. a cutting device; 41. an air tube; 42. a unit case; 43. an air pressure sensor; 5. a nozzle; 6. an air suction fan; 7. a roller; 43. a cutting edge; 44. and cutting the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, a first embodiment of the invention, a bacteriostatic polypropylene melt-blown fabric and a melt-blown preparation device, comprising: the structure is convenient for melt-blown materials to smoothly fall on the first conveyor belt 212 to be sequentially superposed, the width of an air outlet of the cooling device 1 is consistent with the width direction of the conveyor belts 2, any position of the melt-blown materials on the conveyor belts 2 can be ensured to be blown to the first conveyor belt 212 by the air outlet of the cooling device 1, an air outlet route of the cooling device 1 passes through the tail ends of the conveying directions of the other conveyor belts 2, the melt-blown materials on each layer of the conveyor belts 2 are blown to the first conveyor belt 212, and meanwhile, the temperature range of air flow blown out by the cooling device 1 is 0 to 20 ℃, the cooling device 1 cools and shapes a plurality of layers of melt-blown materials in the falling process, reduces material bonding between the layers after the melt-blown materials fall on the first conveyor belt 212, ensures that the melt-blown fabric after being overlapped and rolled has certain air permeability and is suitable for being used as products with multiple layers and requirements on air permeability, such as masks and the like, the air flow blown by the cooling device 1 sequentially passes through the tail ends of the conveying directions of the plurality of conveyor belts 2, ensures that the plurality of layers of melt-blown materials fall on the same position on the first conveyor belt 212, plays roles of cooling and limiting the melt-blown materials, after the melt-blown materials fall on the first conveyor belt 212, the light emitted by the light source passes through the melt-blown materials to reach the receiving device 31 through the illumination sensor after passing through the thickness direction of the melt-blown materials, the intensity of the received light is higher, the sensor feeds back to the melt-blown nozzles 5 of each layer after receiving the light, the invention can ensure the air permeability of the obtained melt-blown fabric in the thickness direction through the illumination sensor, melt-blown materials with different functions are easy to be proportioned and combined on the basis of the air permeability, the product achieves the purpose of diversified use experience on the basis of ensuring the basic air permeability function, the melt-blown fabric is compacted through the roller 7, the melt-blown fabric is pressed to the first conveying belt 212 by the cutting device 4, the cutting device 4 consists of a plurality of unit box bodies 42, the melt-blown fabric is divided into blocks by the unit box bodies 42, an air pipe is arranged outside the unit box bodies 42 and leads to the inside of the unit box bodies 42, the edges of the block melt-blown fabric are pressed and kept immovable by the box walls of the unit box bodies 42, the air pipe performs air suction and air discharge, the middle position of the melt-blown fabric is stretched by air pressure, the surface area of the block melt-blown fabric is enlarged, can cut down cubic surface fabric from monoblock melt-blown surface fabric, make things convenient for taking off of cubic surface fabric to collect.
The compaction process of the invention is not limited to the compaction of the roller 7, but also an air suction device can be additionally arranged in front of the roller 7, the melt-blown material runs along with the first conveyor belt 212 and firstly passes through the air suction device, the air suction device can suck the bulges among the melt-blown material levels to be flat, so that the folds of the rolled surface caused by the bulges inside the melt-blown material can not occur when the melt-blown material enters the roller 7 later, the smoothness of the melt-blown fabric is ensured,
the cooling device 1 according to the first embodiment of the present invention has other configurations, for example, the cooling device 1 is located on the lateral side of the width direction of the conveyor belts 2, the three conveyor belts 2 are arranged in a stepped manner, the conveyor belt 2 farthest from the cooling device 1 is the first conveyor belt 212, and the conveyor belt 2 which is closer to the first conveyor belt 212 is longer, the conveyor belt 2 under the structure can enable each layer of melt-blown materials to fall in a parabola shape only under the influence of gravity and inertia, each layer of melt-blown materials are freely overlapped and fall on the first conveyor belt 212, the cooling device 1 is positioned on the side face of the width direction of the conveyor belt 2, the air outlet of the cooling device 1 extends downwards to the first conveyor belt 212 from the uppermost conveyor belt 2, the cooling effect of the cooling device 1 on the melt-blown materials on each layer of conveyor belt 2 can be ensured to be consistent under the state, the problem that the air speed is gradually reduced after passing through the plurality of layers of melt-blown materials, and the cooling degree of the melt-.
The device of the first embodiment of the invention can obtain the bacteriostatic polypropylene melt-blown fabric, the used raw materials are melt-blown materials containing polypropylene, the melt-blown materials containing polypropylene are melted in the melt-blown nozzle 5, the melt-blown materials are stretched by high-speed air flows at two sides of the melt-blown nozzle 5 and are sprayed on the conveyor belts 2 corresponding to the melt-blown nozzles 5 respectively, and the bacteriostatic polypropylene melt-blown fabric is made by rolling multiple layers of melt-blown materials containing polypropylene.
As shown in fig. 2, a second embodiment of the present invention, an antibacterial polypropylene melt-blown cutting device 4, the melt-blown material used by the cutting device 4 is cooled and compacted, an air pressure sensor 43 is disposed at the position of the cutting device 4, a unit box 42 and an air pipe are disposed at one side of the melt-blown material, an air pressure sensor 43 is disposed at the other side, when the unit box 42 is pressed down, the unit box 42 and the air pressure sensor 43 form a closed space, only the air pipe on the unit box 42 is connected with the outside, when the melt-blown fabric is stretched by air suction of the air pipe, the air pressure at the other side under the melt-blown surface changes, the air pressure sensor 43 feeds air pressure change data back to an air suction device on the unit box 42 for adjusting the air pressure to obtain a proper shape change of the melt-blown fabric, the air pressure sensor 43 feeds air pressure change data back to an illumination sensor, the illumination sensor, this device can become the supply of in time adjusting raw and other materials through the product type, and feedback through convenient quick makes the product more outstanding.
As shown in fig. 3, in any unit box 42 of the cutting device 4 in the first embodiment of the present invention, the air pipe on the unit box 42 and the communication hole inside the box are located at the center of the upper cover of the box, the conical air flow diffusion path blown by the air pipe can be diffused in the unit box 42 as completely as possible, the position can ensure that the block-shaped melt blown fabric pressed by the unit box 42 is stretched from the center, the unit fabric is stretched into a conical shape, the stretching radian of the unit fabric is uniformly radiated from the center to the periphery, the central position is most bulged, the peripheral positions are less bulged, the unit fabric conforms to the left-right symmetric shape of the face, the edge of the lower opening of the unit box 42 is provided with a cutting edge 43, the cutting edge 43 does not influence the unit box 42 to press the melt blown fabric downwards onto the first conveyor belt 212 in the contracted state, when the cutting edge 43 is stretched out, the fabric can be cut into blocks with the shape of the lower opening of the, four cutting columns 44 are arranged in the unit box body 42 and extend out of the lower opening, the cutting columns 44 are hollow cylindrical shells, the circumferential edges of the lower ends of the shells are edged, when the unit box body 42 presses the melt-blown fabric downwards on the first conveyor belt 212, the cutting columns 44 can dig four holes in the block-shaped fabric, and the holes facilitate the unit fabric to pass through the hanging rope subsequently.
The meltblown nozzle 5 shown in fig. 1 includes: the melt-blown material chamber to and encircle the gas orifice in melt-blown material chamber periphery, characterized by: the air flow path ejected by the air jet is intersected with the path from which the melt-blown material flows out, the ejected air flow drives the melt-blown material to be scattered on the conveying belt in a conical mode, the air jet direction of the air jet can be adjusted, the included angle between the air flow path ejected by the air jet and the discharge path of the melt-blown material ranges from 0 degrees to 80 degrees, the larger the included angle is, the larger the width of the melt-blown material on the conveying belt 2 is, the larger the width of the melt-blown material in the range of the conveying belt 2 is ensured to be, and the utilization rate of the.
When the invention is used, firstly, a plurality of nozzles 5 respectively spray melt-blown materials to the corresponding conveyor belts 2, then when the melt-blown materials reach the tail ends of the conveyor belts 2, the cooling device 1 sprays airflow to enable each layer of melt-blown materials to be superposed on the first conveyor belt 212, the illumination sensor detects the passing rate of the material in the thickness direction and feeds the passing rate back to each melt-blown nozzle 5, then a plurality of layers of melt-blown materials are extruded to pass through the gap between the roller 7 and the first conveyor belt 212 to obtain melt-blown fabrics which are closely attached in each layer, then the cutting device 4 stretches the melt-blown fabrics, and the air pressure sensor 43 feeds data back to the air pipe and the illumination sensor to adjust the thickness of.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An antibacterial polypropylene melt-blown fabric and a melt-blown preparation device comprise: the device comprises a plurality of layers of conveyor belts, nozzles corresponding to each layer of conveyor belt, a cooling device facing the conveyor belts, rollers on the spreading surfaces of the conveyor belts, and a fabric cutting device, and is characterized in that the nozzles respectively spray melt-blown materials to the respective corresponding conveyor belts, the spreading surfaces of the conveyor belts are parallel and arranged in a step shape, an air outlet of the cooling device exhausts air along the direction of a step connecting line, the cooling device finally contacts the conveyor belts on the air outlet line to form a first conveyor belt, an illumination sensor is arranged on the first conveyor belt, the rollers are arranged near the illumination sensor, the tail end of the first conveyor belt is provided with the cutting device, the cutting device consists of a plurality of unit box bodies, an air pressure sensor is arranged at the corresponding position of the other side of the first conveyor belt on the other side of the unit box bodies, and in the conveying direction of the, the cooling device is arranged on the wind absorbing surface of the first conveyor belt, the air suction device, the roller and the cutting device in sequence.
2. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, which is characterized in that: the cooling device air outlet is long-strip-shaped, the width of an air outlet surface of the air outlet is consistent with the width direction of the conveyor belt, air flow blown out of the cooling device sequentially passes through the tail ends of the conveyor belt in the conveying direction, the conveyor belt through which the air flow passes does not comprise the first conveyor belt, and the air flow finally reaches the paving surface of the first conveyor belt.
3. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, which is characterized in that: the light source is positioned on one side of the non-paved surface of the first conveyor belt, the receiving device is positioned on one side of the paved surface of the first conveyor belt, and the light source irradiates towards the receiving device.
4. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, which is characterized in that: the axes of the rollers are parallel to the width direction of the first conveyor belt, the width of the rollers is consistent with that of the first conveyor belt, and the surfaces of the rollers and the paving surface of the conveyor belt move in the same direction and at the same speed.
5. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, which is characterized in that: the cutting device is composed of a plurality of unit box bodies, the unit box bodies are respectively connected with an air pipe, the air pipes can suck and discharge air flow in the unit box bodies, and the lower opening plane of the unit box bodies is parallel to the material spreading surface of the first conveying belt.
6. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, which is characterized in that: the cutting device comprises a plurality of unit box bodies, a through hole which corresponds to the unit box bodies one to one is formed in the first transmission belt, the lower opening of each unit box body completely contains the through hole, the non-paving surface of the first transmission belt is provided with an air pressure sensor, and when the unit box bodies press the transmission belts, the unit box bodies and the air pressure sensors form a closed space.
7. The bacteriostatic polypropylene melt-blown fabric and melt-blown preparation device according to claim 1, wherein a cutting edge is arranged on one side of the unit box body facing the first conveyor belt, and the cutting edge can extend and retract towards the first conveyor belt.
8. The method for configuring bacteriostatic polypropylene melt-blown fabric according to any one of claims 1 to 7, wherein the data processing comprises the following steps:
recording the jet flow rate of each nozzle as a, b and c …; recording the intensity x of light received by the illumination sensor when the melt-blown material passes through; recording the jet flow of each nozzle and the intensity a + b + c + … = x of the light received by the light sensor at the same time, and establishing a comparison table;
the configuration process comprises the following steps:
firstly, determining the passing property in the thickness direction of the required melt-blown fabric, namely a value x, then adjusting the jet flow of each nozzle according to a comparison table, and finally obtaining the melt-blown fabric with the same passing property through the thickness change among multiple layers of materials.
9. The stretch debugging method of the bacteriostatic polypropylene melt-blown fabric according to any one of claims 1 to 7, characterized by comprising the following steps:
the first step, the box body of the unit is pressed downwards, and the four walls of the box body compress the melt-blown material on the spreading surface of the conveyor belt;
and the air pipe of the second step unit box body inhales air, the melt-blown fabric is expanded towards the air pipe under the influence of air pressure, the stretching degree of the melt-blown fabric is negatively related to the air pressure at the other side, the air pressure sensor feeds air pressure values back to the air pipe control device, and the air suction pressure is adjusted according to the air pressure values.
10. The bacteriostatic polypropylene melt-blown fabric according to any one of claims 1 to 7, which is characterized in that: the anti-bacterial mask has an anti-bacterial function, contains more than two layers of anti-bacterial melt-blown materials, is uniform in unit fabric thickness, and is larger in deformation closer to the middle position of the unit fabric in an unfolded state, so that the fabric does not need to be cut and folded when the mask is manufactured.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111964A (en) * | 2020-09-16 | 2020-12-22 | 苏州满博瑞膜科技有限公司 | Antibacterial and haze-preventing melt-blown fabric production device and preparation method thereof |
| CN113046923A (en) * | 2021-03-05 | 2021-06-29 | 泉州市海兴服装织造有限公司 | Preparation facilities of antibacterial polypropylene melt-blown fabric |
| CN114687070A (en) * | 2022-03-15 | 2022-07-01 | 安徽金春无纺布股份有限公司 | Melt and spout compound non-woven fabric preparation facilities |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3132222A1 (en) * | 2022-02-02 | 2023-08-04 | Ouvry | Process for manufacturing a decontamination wipe and corresponding wipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163640A (en) * | 1994-09-23 | 1997-10-29 | 金伯利-克拉克环球有限公司 | Fabric composed of ribbon-like fibrous material and method to make the same |
| US20070090555A1 (en) * | 2003-05-16 | 2007-04-26 | Henning Roettger | Method and apparatus for producing spunbonded fabrics of filaments |
| CN101049514A (en) * | 2007-05-11 | 2007-10-10 | 东华大学 | Antibacterial anti hemorrhagic antalgic dressing of medical use, preparation and application |
| CN101166858A (en) * | 2005-04-25 | 2008-04-23 | 花王株式会社 | Stretch sheet and process for producing the same |
| CN102046872A (en) * | 2008-05-29 | 2011-05-04 | 金伯利-克拉克环球有限公司 | Conductive webs containing electrical pathways and method for making same |
| CN103015039A (en) * | 2012-12-04 | 2013-04-03 | 江苏六鑫洁净新材料有限公司 | Two-component melt-blown automatic mixing system |
| CN108823945A (en) * | 2018-07-02 | 2018-11-16 | 江苏湛德医疗用品有限公司 | A kind of nonwoven production process folding cutting system |
-
2020
- 2020-03-30 CN CN202010234973.7A patent/CN111394885B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163640A (en) * | 1994-09-23 | 1997-10-29 | 金伯利-克拉克环球有限公司 | Fabric composed of ribbon-like fibrous material and method to make the same |
| US20070090555A1 (en) * | 2003-05-16 | 2007-04-26 | Henning Roettger | Method and apparatus for producing spunbonded fabrics of filaments |
| CN101166858A (en) * | 2005-04-25 | 2008-04-23 | 花王株式会社 | Stretch sheet and process for producing the same |
| CN101049514A (en) * | 2007-05-11 | 2007-10-10 | 东华大学 | Antibacterial anti hemorrhagic antalgic dressing of medical use, preparation and application |
| CN102046872A (en) * | 2008-05-29 | 2011-05-04 | 金伯利-克拉克环球有限公司 | Conductive webs containing electrical pathways and method for making same |
| CN103015039A (en) * | 2012-12-04 | 2013-04-03 | 江苏六鑫洁净新材料有限公司 | Two-component melt-blown automatic mixing system |
| CN108823945A (en) * | 2018-07-02 | 2018-11-16 | 江苏湛德医疗用品有限公司 | A kind of nonwoven production process folding cutting system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111964A (en) * | 2020-09-16 | 2020-12-22 | 苏州满博瑞膜科技有限公司 | Antibacterial and haze-preventing melt-blown fabric production device and preparation method thereof |
| CN112111964B (en) * | 2020-09-16 | 2022-05-31 | 苏州满博瑞膜科技有限公司 | Antibacterial and haze-preventing melt-blown fabric production device and preparation method thereof |
| CN113046923A (en) * | 2021-03-05 | 2021-06-29 | 泉州市海兴服装织造有限公司 | Preparation facilities of antibacterial polypropylene melt-blown fabric |
| CN113046923B (en) * | 2021-03-05 | 2022-04-12 | 泉州市海兴服装织造有限公司 | Preparation facilities of antibacterial polypropylene melt-blown fabric |
| CN114687070A (en) * | 2022-03-15 | 2022-07-01 | 安徽金春无纺布股份有限公司 | Melt and spout compound non-woven fabric preparation facilities |
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