CN113684610A - Net forming device for producing multilayer-structure melt-blown fabric by single die and using method thereof - Google Patents
Net forming device for producing multilayer-structure melt-blown fabric by single die and using method thereof Download PDFInfo
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- CN113684610A CN113684610A CN202111156790.9A CN202111156790A CN113684610A CN 113684610 A CN113684610 A CN 113684610A CN 202111156790 A CN202111156790 A CN 202111156790A CN 113684610 A CN113684610 A CN 113684610A
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- transmission shaft
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- forming
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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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—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 by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
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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
- 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
- D06H7/02—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials transversely
Abstract
The invention discloses a net forming device for producing multilayer-structure melt-blown fabric by a single die head and a using method thereof, and relates to the technical field of melt-blown fabric production. The invention relates to a net forming device for producing multilayer-structure melt-blown cloth by a single die and a using method thereof.
Description
Technical Field
The invention relates to the technical field of melt-blown fabric production, in particular to a net forming device for producing multilayer melt-blown fabric by a single die and a using method thereof.
Background
The melt-blown cloth is formed by sticking polypropylene superfine fibers together in random distribution, has white, flat and soft appearance, the fineness of the material fiber 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. After the high-pressure electret filtering efficiency, the product has the characteristics of low resistance, high efficiency, high dust capacity and the like. Is widely used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like.
The existing net forming device in the market at present only has one air box below a net belt to suck air, when a die head of the net forming device carries out secondary melt-blowing, the air can blow a first layer of cloth on the net belt to form folds in a mess manner, the fiber density is not uniform, and the product quality is not over-critical; in the production process of melt-blown fabric, a large amount of suspended particles are easily generated, the production environment is polluted, and meanwhile, certain threats are caused to the physical health of workers.
Disclosure of Invention
The invention mainly aims to provide a net forming device for producing multilayer-structure meltblown cloth by a single die, which can effectively solve the problems that in the process of manufacturing multilayer meltblown cloth, wind blows the first layer of cloth on a net belt to form folds in a messy way, and a large amount of suspended particles are easily generated in the production process of the meltblown cloth to pollute the production environment in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a net forming device for producing multilayer-structure melt-blown cloth by a single die comprises a screw extruder, a metering pump fixedly connected to a discharge port of the screw extruder, a die head communicated with the discharge port of the metering pump, a plurality of support frames arranged at the bottom of the die head, and a forming mechanism, wherein a guide roller is arranged on one side of the forming mechanism, a cutting mechanism and a cleaning mechanism are arranged on one side of the guide roller, which is far away from the forming mechanism, and a winding roller is arranged on the other side of the cutting mechanism;
the forming mechanism comprises a driving motor, a first transmission shaft, a second transmission shaft, a third transmission shaft, a mesh belt, an induced draft fan, a first air box and a second air box, one end of the driving motor is fixedly connected with one side of a support frame, the output end of the driving motor penetrates through the other side of the support frame and extends to the other side of the support frame, the end face of the induced draft fan is fixedly connected with one end of the first transmission shaft, the second transmission shaft and the third transmission shaft are movably arranged on one side of the support frame away from the driving motor, the mesh belt is movably arranged on the outer surface of the first transmission shaft, the induced draft fan is fixedly connected to one side of the support frame close to the driving motor, an air suction port of the induced draft fan is communicated with the inside of the first air box, the second air box is arranged on the other side of the first air box, and a side opening of the second air box is connected with one side of the first air box through a pipeline;
clean mechanism includes control button, electric telescopic handle, collecting box, support column, touch switch and air pump, control button fixed mounting is in another a set of one side of support frame, this one side of support frame and electric telescopic handle's one end fixed connection, electric telescopic handle's output terminal surface is provided with the collecting box, should the opposite side of support frame and the one end fixed connection of support column, the mounting groove has been seted up to the opposite side of support column, the tank bottom fixed mounting of mounting groove has touch switch, this one side of support frame and the lateral wall fixed connection of air pump, two sets of movable chutes have been seted up to the both sides of collecting box, and are two sets of movable chute is respectively with electric telescopic handle's output and the one end swing joint of support column.
Preferably, cutting mechanism includes cutting roller and annular cutter, the cutting roller is located the guide roll and keeps away from one side of forming mechanism, the lateral wall of cutting roller is linear equidistant distribution and has the multiunit annular cutter, every group annular cutter's the outside all is provided with the zigzag cutting edge.
Preferably, the support frame is respectively and movably connected with the guide roll, the cutting roll and the winding roll.
Preferably, with one side fixedly connected with cutting motor of cutting roller swing joint's support frame, the output of cutting motor runs through the opposite side that extends to the support frame, and the terminal surface of output and the one end fixed connection of cutting roller.
Preferably, the control button and the touch switch are electrically connected with the electric telescopic rod.
Preferably, a through hole is formed in one side, close to the air pump, of the collecting box, and a filter mesh bag is fixedly connected to one side, far away from the air pump, of the through hole.
Preferably, the air suction port of the air pump penetrates through the air suction pipe and extends into the collecting box, the aperture size of the through hole is larger than the outer diameter size of the air suction pipe, and the length of the filter mesh bag is larger than that of the air suction pipe.
Preferably, the outer surface of the first transmission shaft is fixedly connected with a driving pulley, the peripheral side wall of the second transmission shaft is fixedly connected with an idle pulley, and the driving pulley and the idle pulley are connected through a transmission belt.
Preferably, a method of using a single die apparatus for producing a meltblown web having a multilayer structure, comprising the steps of:
s1, adding the raw materials into a screw extruder for heating and melting, and conveying the raw materials which become a melt into a die head through a metering pump;
s2, driving a transmission shaft to transmit through a driving motor, driving a mesh belt to rotate through the transmission shaft, blowing air and fiber materials out of a gap of the die head, blowing the raw materials in the die head onto the mesh belt, and continuously accumulating the fiber materials to form melt-blown cloth;
s3, taking down the first layer of cloth and placing the cloth on the mesh belt again for transmission, and driving the raw material in the die head to spray the second layer or multiple layers of melt-blown cloth by wind again;
and S4, after the multilayer melt-blown fabric is manufactured, the fabric is conveyed to the cutting roller through the guide roller to be cut, and finally the cut fabric is wound by the winding roller.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, a driving motor drives a transmission shaft to transmit, the transmission shaft drives a mesh belt to rotate, air and fiber matters are discharged from a gap of the die head, fiber matters in the die head are blown onto the mesh belt and are slowly transmitted through the mesh belt, the fiber matters are continuously accumulated to form melt-blown cloth, meanwhile, an induced draft fan and a first air box are arranged below the mesh belt, so that the air above the mesh belt is sucked away, the formed first layer of melt-blown cloth is leveled, the first layer of cloth is taken down and is placed on the mesh belt again for transmission, the fiber matters in the die head are driven by the air again to spray a second layer or multiple layers of melt-blown cloth, at the moment, a second air box which is newly added below the mesh belt sucks the air above the cloth away, the two layers of melt-blown cloth are leveled without folds, the fiber compactness is uniform, and if more layers are sprayed, the operation is repeated.
2. According to the invention, through the cleaning mechanism arranged below the cutting roller, when the melt-blown cloth is cut by the annular cutter on the outer side wall of the cutting roller, the air pump is started at the moment, suspended particles generated by cutting are adsorbed into the collecting box, so that the pollution to the environment is reduced, when the collecting quantity of the collecting box exceeds two thirds of the collecting quantity, the control button is pressed at the moment, so that the electric telescopic rod is contracted, the collecting box is conveniently taken out and replaced, in addition, only the through hole and the movable groove of the collecting box are aligned to the supporting column to be spliced with the air suction pipe of the air pump, after the splicing is completed, the collecting box is abutted against the touch switch at one end of the supporting column, so that the electric telescopic rod is controlled to extend, further, the electric telescopic rod is spliced into the other movable groove of the collecting box, and the replacement of the collecting box is facilitated.
Drawings
FIG. 1 is a schematic view of a part of a web forming apparatus for producing a meltblown having a multilayer structure by a single die according to the present invention;
FIG. 2 is a schematic view of the overall flow structure of a web forming apparatus for producing a meltblown having a multilayer structure by a single die according to the present invention;
FIG. 3 is a schematic structural diagram of a cutting mechanism of a web forming device for producing a meltblown with a multilayer structure by a single die according to the present invention;
FIG. 4 is a schematic side view of a cutting mechanism of a web forming apparatus for producing a meltblown having a multilayer structure with a single die according to the present invention;
FIG. 5 is an enlarged view of the structure A of FIG. 4 of a web forming apparatus for producing meltblown with a multilayer structure using a single die in accordance with the present invention;
FIG. 6 is a schematic structural view of a first transmission shaft, a second transmission shaft and a third transmission shaft of a web forming device for producing a meltblown with a multilayer structure by a single die according to the present invention;
FIG. 7 is a schematic view of a connection structure of a ring-shaped cutter and a cutting roll of a web forming device for producing multilayer-structure meltblown fabric by a single die.
In the figure: 1. a screw extruder; 2. a metering pump; 3. a die head; 4. a support frame; 5. a drive motor; 6. a first drive shaft; 7. a second drive shaft; 8. a third drive shaft; 9. a mesh belt; 10. an induced draft fan; 11. a first windbox; 12. a second windbox; 13. a guide roller; 14. a cutting roller; 15. a ring-shaped cutter; 16. cutting the motor; 17. a control button; 18. an electric telescopic rod; 19. a collection box; 20. a support pillar; 21. a touch switch; 22. an air pump; 23. and (7) winding the roller.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, the invention is a web forming device for producing multilayer melt-blown fabric by a single die, comprising a screw extruder 1, a metering pump 2 fixedly connected to a discharge port of the screw extruder 1, a die head 3 communicated with a discharge port of the metering pump 2, a plurality of support frames 4 arranged at the bottom of the die head 3, and a forming mechanism, wherein one side of the forming mechanism is provided with a guide roller 13, one side of the guide roller 13, which is far away from the forming mechanism, is provided with a cutting mechanism, and a cleaning mechanism positioned right below the cutting mechanism, and the other side of the cutting mechanism is provided with a winding roller 23;
the forming mechanism comprises a driving motor 5, a first transmission shaft 6, a second transmission shaft 7, a third transmission shaft 8, a mesh belt 9, a draught fan 10, a first air box 11 and a second air box 12, one end of the driving motor 5 is fixedly connected with one side of the supporting frame 4, the output end of the driving motor 5 penetrates and extends to the other side of the supporting frame 4, the end face of the first air box is fixedly connected with one end of a first transmission shaft 6, a second transmission shaft 7 and a third transmission shaft 8 are movably arranged on one side, far away from the driving motor 5, of the support frame 4, a mesh belt 9 is movably arranged on the outer surface of the first transmission shaft 6, an induced draft fan 10 is fixedly connected to one side, close to the driving motor 5, of the support frame 4, an air suction opening of the induced draft fan 10 is communicated with the inside of the first air box 11, a second air box 12 is arranged on the other side of the first air box 11, and a side opening of the second air box 12 is connected with one side of the first air box 11 through a pipeline;
clean mechanism includes control button 17, electric telescopic handle 18, collecting box 19, support column 20, touch switch 21 and air pump 22, control button 17 fixed mounting is in one side of another set of support frame 4, one side of this support frame 4 and electric telescopic handle 18's one end fixed connection, electric telescopic handle 18's output terminal surface is provided with collecting box 19, the opposite side of this support frame 4 and support column 20's one end fixed connection, the mounting groove has been seted up to support column 20's opposite side, the tank bottom fixed mounting of mounting groove has touch switch 21, one side of this support frame 4 and air pump 22's lateral wall fixed connection, two sets of movable chutes have been seted up to collecting box 19's both sides, two sets of movable chutes respectively with electric telescopic handle 18's output and support column 20's one end swing joint.
Cutting mechanism includes cutting roll 14 and annular cutter 15, and cutting roll 14 is located guide roll 13 and keeps away from one side of forming mechanism, and the lateral wall of cutting roll 14 is linear equidistant distribution and has the multiunit annular cutter 15, and the outside of every group annular cutter 15 all is provided with the zigzag cutting edge, through annular cutter 15, comes to cut the melt-blown fabric of making the completion.
The support frame 4 is respectively movably connected with the guide roller 13, the cutting roller 14 and the winding roller 23.
With one side fixedly connected with cutting motor 16 of cutting roller 14 swing joint's support frame 4, the output of cutting motor 16 runs through the opposite side that extends to support frame 4, and the terminal surface of output and the one end fixed connection of cutting roller 14, through cutting motor 16, drive cutting roller 14 rotatory, and then make cutting roller 14, drive annular cutter 15 rotatory.
The collecting box 19 is provided with a through hole near one side of the air pump 22, the through hole is fixedly connected with a filter mesh bag far away from one side of the air pump 22, and suspended particles are prevented from entering the air pump 22 through the filter mesh bag.
The air suction port of the air pump 22 penetrates through the air suction pipe and extends into the collecting box 19, the aperture size of the through hole is larger than the outer diameter size of the air suction pipe, the length of the filter mesh bag is larger than that of the air suction pipe, and the air pump 22 adsorbs suspended particles into the collecting box 19 through the air suction pipe.
The outer fixed surface of first transmission shaft 6 is connected with drive pulley, and the week lateral wall fixedly connected with idler of second transmission shaft 7, drive pulley are connected through the drive belt with the idler, through driving motor 5, drive first transmission shaft 6 rotatory, and first transmission shaft 6 drives 7 rotations of second transmission shaft through the drive belt to make the removal of guipure 9 more steady.
The use method of the web forming device for producing the melt-blown fabric with the multilayer structure by the single die comprises the following steps:
s1, adding the raw materials into the screw extruder 1 for heating and melting, and conveying the raw materials which become melt into a die head 3 through a metering pump 2;
s2, driving a transmission shaft to transmit through a driving motor 5, driving a mesh belt 9 to rotate through the transmission shaft, blowing air and fiber matters out of a gap of the die head 3 at the moment, blowing the raw material in the die head 3 onto the mesh belt 9, and continuously accumulating the fiber matters to form melt-blown cloth;
s3, taking down the first layer of cloth and placing the cloth on the mesh belt 9 again for transmission, and driving the raw material in the die head 3 to spray the second layer or multiple layers of melt-blown cloth by wind again;
and S4, after the multilayer meltblown fabric is manufactured, the fabric is conveyed to the cutting roller 14 through the guide roller 13 to be cut, and finally the cut fabric is wound by the winding roller 23.
The working principle of the invention is as follows: the driving motor 5 drives the transmission shaft to transmit, the transmission shaft drives the mesh belt 9 to rotate, air and fiber matters are discharged from the gap opening of the die head 3, fiber matters in the die head 3 are blown onto the mesh belt 9 and are slowly transmitted through the mesh belt 9, the fiber matters are continuously accumulated to form melt-blown cloth, meanwhile, an induced draft fan 10 and a first air box 11 are arranged below the mesh belt 9, so that the air above the mesh belt is sucked away, the formed first layer of melt-blown cloth is flattened, then the first layer of melt-blown cloth is taken down and is placed on the mesh belt 9 again for transmission, the fiber matters in the die head 3 are driven by the air to spray a second layer or a plurality of layers of melt-blown cloth, at the moment, a second air box 12 which is newly added below the mesh belt 9 sucks the air above the cloth away, the two layers of melt-blown cloth are flattened without folds, the compactness of the fiber is uniform, if more layers are desired to be sprayed, the operation is repeated, and after the multilayer melt-blown cloth is manufactured, the cloth is conveyed to the cutting roller 14 for cutting, when the meltblown fabric is cut by the circular cutter 15 on the outer side wall of the cutting roller 14, the air pump 22 is activated, so that suspended particles generated by cutting are adsorbed to the inside of the collection tank 19, further reducing the pollution to the environment, when the collecting box 19 collects more than two thirds of the collecting box, the control button 17 is pressed, so that the electric telescopic rod 18 is contracted, thereby facilitating the collection box 19 to be taken out and replaced, and when replacing, the through hole of the collection box 19 is only required to be aligned with the movable groove to be inserted into the support column 20 and the air suction pipe of the air pump 22, after the plugging is completed, the collecting box 19 will be abutted against the touch switch 21 at one end of the supporting column 20, so as to control the electric telescopic rod 18 to extend, and then the electric telescopic rod 18 is inserted into the other movable groove of the collecting box 19, so that the collecting box 19 is convenient to replace, and finally the cut cloth is wound by the winding roller 23.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a single mode head produces network device of multilayer structure meltblown which characterized in that: the device comprises a screw extruder (1), a metering pump (2) fixedly connected to a discharge port of the screw extruder (1), a die head (3) communicated with the discharge port of the metering pump (2), a plurality of support frames (4) arranged at the bottom of the die head (3), and a forming mechanism, wherein a guide roller (13) is arranged on one side of the forming mechanism, a cutting mechanism and a cleaning mechanism are arranged on one side, away from the forming mechanism, of the guide roller (13), the cleaning mechanism is positioned right below the cutting mechanism, and a winding roller (23) is arranged on the other side of the cutting mechanism;
the forming mechanism comprises a driving motor (5), a first transmission shaft (6), a second transmission shaft (7), a third transmission shaft (8), a mesh belt (9), an induced draft fan (10), a first air box (11) and a second air box (12), one end of the driving motor (5) is fixedly connected with one side of a support frame (4), the output end of the driving motor (5) penetrates through the other side extending to the support frame (4), the end face of the output end of the driving motor is fixedly connected with one end of the first transmission shaft (6), the second transmission shaft (7) and the third transmission shaft (8) are movably arranged on one side, far away from the driving motor (5), of the support frame (4), the mesh belt (9) is movably arranged on the outer surface of the first transmission shaft (6), the induced draft fan (10) is fixedly connected with one side, close to the driving motor (5), of the induced draft inlet of the induced draft fan (10) is communicated with the inside of the first air box (11), a second air box (12) is arranged on the other side of the first air box (11), and an opening in the side surface of the second air box (12) is connected with one side of the first air box (11) through a pipeline;
clean mechanism includes control button (17), electric telescopic handle (18), collecting box (19), support column (20), touch switch (21) and air pump (22), control button (17) fixed mounting is in another a set of one side of support frame (4), this one side of support frame (4) and the one end fixed connection of electric telescopic handle (18), the output terminal surface of electric telescopic handle (18) is provided with collecting box (19), this the opposite side of support frame (4) and the one end fixed connection of support column (20), the mounting groove has been seted up to the opposite side of support column (20), the tank bottom fixed mounting of mounting groove has touch switch (21), this one side of support frame (4) and the lateral wall fixed connection of air pump (22), two sets of movable grooves have been seted up to the both sides of collecting box (19), and are two sets of movable groove respectively with the output of electric telescopic handle (18) and the one end activity of support column (20) even And (6) connecting.
2. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 1, wherein: cutting mechanism includes cutting roller (14) and annular cutter (15), cutting roller (14) are located guide roll (13) and keep away from one side of forming mechanism, the lateral wall of cutting roller (14) is linear equidistant distribution and has multiunit annular cutter (15), every group the outside of annular cutter (15) all is provided with the zigzag cutting edge.
3. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 2, wherein: the support frame (4) is movably connected with the guide roller (13), the cutting roller (14) and the winding roller (23) respectively.
4. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 3, wherein: with one side fixedly connected with cutting motor (16) of cutting roller (14) swing joint's support frame (4), the output of cutting motor (16) runs through the opposite side that extends to support frame (4), and the terminal surface of output and the one end fixed connection of cutting roller (14).
5. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 4, wherein: the control button (17) and the touch switch (21) are electrically connected with the electric telescopic rod (18).
6. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 5, wherein: one side of the collecting box (19) close to the air pump (22) is provided with a through hole, and one side of the through hole far away from the air pump (22) is fixedly connected with a filter mesh bag.
7. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 6, wherein: the air suction port of the air pump (22) penetrates through the air suction pipe and extends into the collecting box (19), the aperture size of the through hole is larger than the outer diameter size of the air suction pipe, and the length of the filter mesh bag is larger than that of the air suction pipe.
8. A single-die apparatus for forming a meltblown web having a multilayer structure in accordance with claim 7, wherein: the outer fixed surface of first transmission shaft (6) is connected with drive pulley, the week side wall fixedly connected with idler of second transmission shaft (7), drive pulley is connected through the drive belt with the idler.
9. Use of a single-die apparatus for forming a meltblown web for producing a multilayer structure according to any of claims 1-8, characterized in that: the method comprises the following steps:
s1, adding the raw materials into a screw extruder (1) for heating and melting, and conveying the raw materials which become melt into a die head (3) through a metering pump (2);
s2, driving a transmission shaft to transmit through a driving motor (5), driving a mesh belt (9) to rotate through the transmission shaft, blowing air and fiber matters out of a gap of the die head (3), blowing the raw materials in the die head (3) onto the mesh belt (9), and continuously accumulating the fiber matters to form melt-blown cloth;
s3, taking down the first layer of cloth and placing the cloth on the mesh belt (9) again for transmission, wherein the wind drives the raw material in the die head (3) again to spray the second layer or multiple layers of melt-blown cloth;
and S4, after the multilayer meltblown fabric is manufactured, the fabric is conveyed to the cutting roller (14) through the guide roller (13) to be cut, and finally the cut fabric is wound by the winding roller (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111156790.9A CN113684610A (en) | 2021-09-30 | 2021-09-30 | Net forming device for producing multilayer-structure melt-blown fabric by single die and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111156790.9A CN113684610A (en) | 2021-09-30 | 2021-09-30 | Net forming device for producing multilayer-structure melt-blown fabric by single die and using method thereof |
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| CN113684610A true CN113684610A (en) | 2021-11-23 |
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| CN113306240A (en) * | 2021-05-08 | 2021-08-27 | 安丹达工业技术(上海)有限公司 | Multilayer melt-blown fabric, method for producing the same, and air filtration device and mask comprising the same |
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| CN113293515A (en) * | 2020-08-07 | 2021-08-24 | 惠州市三雅实业有限公司 | Melt-blown fabric production device |
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| CN214239082U (en) * | 2020-11-18 | 2021-09-21 | 王云凤 | Silica gel mould quick replacement device |
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| CN113306240A (en) * | 2021-05-08 | 2021-08-27 | 安丹达工业技术(上海)有限公司 | Multilayer melt-blown fabric, method for producing the same, and air filtration device and mask comprising the same |
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