CN117328211A - Mixed fiber type non-woven fabric for wiping, production equipment and production mode - Google Patents
Mixed fiber type non-woven fabric for wiping, production equipment and production mode Download PDFInfo
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- CN117328211A CN117328211A CN202311269710.XA CN202311269710A CN117328211A CN 117328211 A CN117328211 A CN 117328211A CN 202311269710 A CN202311269710 A CN 202311269710A CN 117328211 A CN117328211 A CN 117328211A
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- wiping
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- 239000000835 fiber Substances 0.000 title claims abstract description 155
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000004743 Polypropylene Substances 0.000 claims abstract description 59
- -1 polypropylene Polymers 0.000 claims abstract description 59
- 229920001155 polypropylene Polymers 0.000 claims abstract description 59
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 241000196324 Embryophyta Species 0.000 claims description 42
- 238000007664 blowing Methods 0.000 claims description 32
- 238000001125 extrusion Methods 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000009960 carding Methods 0.000 claims description 28
- 239000000155 melt Substances 0.000 claims description 28
- 238000009987 spinning Methods 0.000 claims description 26
- 239000000178 monomer Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a mixed fiber type non-woven fabric for wiping and production equipment and production mode, wherein the non-woven fabric is manufactured by intertwining plant short fibers, polypropylene melt-blown short fibers and polypropylene spun-bonded filaments, wherein the plant short fibers are used as one of raw materials, so that the non-woven fabric is high in wood pulp content, namely cellulose content, high in biodegradability degree, environment-friendly, low in energy consumption in the production process, and the polypropylene spun-bonded filaments are added in an intertwining mode, so that the whole non-woven fabric is more wear-resistant, high in strength, more durable and long in service life.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a mixed fiber type non-woven fabric for wiping, production equipment and production mode.
Background
The non-woven wiping cloth is wiping cloth with wiping function, which is prepared by a non-woven processing technology and then through the procedures of subsequent finishing, slitting and the like. Compared with the traditional wiping material, the novel non-woven wiping material has a special fiber entanglement structure, larger pores are formed among fibers, the material is fluffy, the thickness range is large, and the novel non-woven wiping material can be applied to different fields. Nonwoven wipe materials can be classified according to process technology into chemically bonded nonwovens, thermally bonded nonwovens, needle punched nonwovens, hydroentangled nonwovens, melt blown nonwovens, spunbond nonwovens, and the like.
Currently, nonwoven wipes on the market are based on hydroentangled and chemically bonded nonwoven fabrics, which often have a wood pulp content of less than 50% or even no wood pulp fibers, and may be reinforced with a chemical binder in order to ensure the strength of the product. This makes the material difficult to biodegrade and not environmentally friendly.
In recent years, a nonwoven material of wood pulp melt-blown is developed, which is formed by entangling plant short fibers and polypropylene melt-blown fibers by high-speed air flow. The material does not need to use chemical adhesive, and the wood pulp content can reach 80 percent, thus being a novel environment-friendly wiping material. Because the melt-blown fiber or wood pulp fiber is finer, the material has low strength, poor wear resistance, low void fraction, easy breaking when wiping stubborn stains and limited dirt holding capacity. The publication No. CN109629118A discloses a wipe, the upper and lower layers of the wipe are melt-blown fiber webs, the middle layer is wood pulp fiber web, wherein an adhesive is attached to the surface of the melt-blown fiber web, and melt-blown fibers of the melt-blown fiber web are inserted into the wood pulp fiber web. The production of the wipe is achieved by stacking multiple fiber layers, so that the overall wear resistance is insufficient and the service life is short.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a mixed fiber type non-woven fabric for wiping, which has strong wear resistance and long service life, and production equipment and production mode thereof.
In order to achieve the above purpose, the present invention provides the following solutions: the mixed fiber type non-woven fabric for wiping comprises a first structure and a second structure, wherein the first structure is formed by intertwining plant short fibers and polypropylene melt-blown short fibers, and the second structure is formed by intertwining the first structure and polypropylene spun-bonded filaments; wherein the mass ratio of the polypropylene spunbond filaments to the first structure is 10-20%:80-90%, wherein the mass ratio of the plant short fiber to the polypropylene melt-blown short fiber is 80-95%:5-20%.
Further, the plant short fibers comprise one or more of wood pulp short fibers, bamboo short fibers, cotton short fibers, she Duan fibers, grass short fibers and bast fibers.
Further, the polypropylene spunbond filaments have a entanglement ratio with the first structure of 20-50%.
The beneficial effects of the invention are as follows: the non-woven fabric is manufactured by intertwining plant short fibers, polypropylene melt-blown short fibers and polypropylene spun-bonded filaments, wherein the plant short fibers are used as one of the raw materials, so that the non-woven fabric is high in wood pulp content, namely high in cellulose content, high in biodegradability, environment-friendly, low in energy consumption in the production process, and the polypropylene spun-bonded filaments are added in an intertwining mode, so that the whole is more wear-resistant, high in strength, durable and long in service life.
The invention further comprises non-woven fabric production equipment, which comprises an extrusion mechanism, a melt-blowing mechanism, a wood pulp opening mechanism and a draft channel, wherein the draft channel is vertically arranged, a top feed inlet is formed in the top of the draft channel, a discharge hole and a melt-blowing die head are formed in the side wall of the draft channel, the discharge hole is positioned on the upper side of the melt-blowing die head, the extrusion mechanism is connected with the top feed inlet of the draft channel, the melt-blowing mechanism is connected with the melt-blowing die head, and the wood pulp opening mechanism is connected with the discharge hole. The beneficial effects of the invention are as follows: the utility model discloses reliable, this production facility is at first through setting up extrusion mechanism, melt-blown mechanism, wood pulp opening mechanism to carry polypropylene spunbond filament, polypropylene melt-blown staple, wood pulp staple to the draft passageway respectively, then intertwine each other in the draft passageway, with forming mixed fine formula and clean with the non-woven fabrics, export from the discharge gate through high-speed air current at last, the practical reliable of overall structure can make mixed fine formula and clean with the non-woven fabrics fast.
Further, the extrusion mechanism comprises a first hopper, a first screw extruder, an extrusion channel, a spinning box body, a monomer drawing device and a cold air box, wherein the first hopper is connected with the first screw extruder, the extrusion screw of the first screw extruder is connected with the extrusion channel, the extrusion channel is connected with the spinning box body, the spinning box body is connected with a top feed inlet of a drafting channel, the monomer drawing device is connected with the spinning box body, and the cold air box is respectively connected with the spinning box body and the top feed inlet of the drafting channel. By adopting the structure, the polypropylene spunbond filaments are conveyed to the drawing channel.
Further, the melt blowing mechanism comprises a second hopper, a second screw extruder and a melt channel, wherein the second hopper is connected with the second extruder, an extrusion screw of the second screw extruder is connected with the melt channel, and the melt channel is connected with the melt blowing die head. After the structure is adopted, the polypropylene melt-blown staple fibers with high temperature are output, so that the polypropylene melt-blown staple fibers can be hot-rolled and solidified with the plant staple fibers while being entangled with the plant staple fibers.
Further, metering pumps are arranged in the extrusion channel and the melt channel, and filters are arranged in the extrusion channel and the melt channel. By adopting the structure, the invention realizes metering and filtering.
Further, the wood pulp opening mechanism comprises a grinder, a blower, a feeding channel and a carding machine, wherein the grinder is connected with the feeding channel, the feeding channel is connected with the carding machine, the carding machine is connected with a discharge hole, and the blower is arranged at the feeding end of the feeding channel. After the structure is adopted, the output of the plant short fiber is realized.
Further, a counter is arranged between the carding machine and the discharge hole.
Further, the bottom side in the drafting channel is provided with a fiber entanglement zone, the discharge port and the melt-blowing die head are respectively connected with the fiber entanglement zone, and the width from the drafting channel to the fiber entanglement zone is gradually reduced.
Further, an air flow guiding device is arranged in the fiber entanglement region. By adopting the structure, the invention realizes the entanglement of the polypropylene spunbond filaments and the first structure.
The invention also comprises a production mode of the mixed fiber type non-woven fabric for wiping, which comprises the following steps:
s1, starting a first screw extruder, conveying polypropylene fibers to a conveying spinning box body through an extrusion channel, starting a cold air box, conveying high-speed air flow by the cold air box, extruding and cooling a polypropylene melt to form polypropylene spun-bonded filaments by matching a monomer drawing device and the spinning box body, and conveying the polypropylene spun-bonded filaments to a drawing channel;
s2, drawing the polypropylene spun-bonded filaments into thinner filaments in a drawing channel through high-speed air flow, and vertically conveying the filaments downwards until the filaments move to the left half part of a fiber entanglement zone;
s3, starting a second screw extruder, conveying high-temperature polypropylene melt-blown fibers to a melt-blowing die head through a melt channel, and conveying polypropylene melt-blown short fibers to the right half part of a fiber entanglement region through the melt-blowing die head;
s4, starting a pulverizer, pulverizing raw materials into fluff pulp and plant short fibers by the pulverizer, blowing the fluff pulp and the plant short fibers by high-speed air flow output by a blower, conveying the fluff pulp and the plant short fibers to a carding machine in cooperation with a feeding channel, carding the fluff pulp and the plant short fibers in order by the carding machine, outputting the plant short fibers to the right half part of a fiber entanglement area by a discharge port, and intertwining the plant short fibers with polypropylene melt-blown short fibers to form a first structure;
s5, the first structure in the step S4 moves to the left half part of the fiber entanglement area, and is entangled with the spun-bonded fiber web layer through high-speed air flow to form non-woven fabrics, and then the non-woven fabrics are output through a bottom discharge hole of the drafting channel. The invention adopts the mode to prepare the non-woven fabric, wherein the extrusion mechanism, the melt-blowing mechanism and the wood pulp opening mechanism are used for respectively outputting the polypropylene spun-bonded filaments, the polypropylene melt-blown staple fibers and the plant staple fibers, and then the polypropylene melt-blown staple fibers and the plant staple fibers are entangled to form a first structure, wherein the polypropylene melt-blown staple fibers and the plant staple fibers can be solidified by hot rolling when being entangled due to the high temperature state when being output, and then the entanglement between the first structure and the polypropylene spun-bonded filaments is realized in a fiber entanglement area, so that the non-woven fabric for wiping with high wood pulp content is formed by mutual entanglement and hot rolling solidification between the fibers, no chemical adhesive is contained, the non-chip falling can be realized, the strength is high, the softness and the bulk are stronger, the whole abrasive resistance is long, and the service life is long.
Drawings
Fig. 1 is an overall construction diagram of a production apparatus of the present invention.
FIG. 2 is a block diagram of a carding machine according to the invention.
Wherein 11 is the first hopper, 12 is the first screw extruder, 13 is the extrusion passageway, 14 is the spinning box, 15 is the monomer pumping device, 16 is the cold air box, 17 is the metering pump, 18 is the filter, 21 is the second hopper, 22 is the second screw extruder, 23 is the melt passageway, 24 is the melt blowing die head, 31 is the rubbing crusher, 32 is the feeding channel, 33 is the carding machine, 34 is the discharge gate, 341 is the feed Mao Lian, 342 is the feed roller, 343 is the opening roller, 344 is the chest cylinder, 345 is the work roller, 346 is the stripping roller, 347 is the transport roller, 348 is the big cylinder, 35 is the forced draught blower, 36 is the counter, 4 is the draft passageway, 41 is the top feed inlet, 42 is the lower air exhauster, 43 is the fiber entanglement area, 5 is the air current guiding device.
Detailed Description
The following description of the embodiments of the present invention will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present invention, for a part, but not all of the embodiments of the present invention, without making any inventive effort.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 2, a nonwoven fabric for wiping of mixed fiber type comprises a first structure and a second structure, wherein the first structure is formed by intertwining plant short fibers and polypropylene melt-blown short fibers, and the second structure is formed by intertwining the first structure and polypropylene spun-bonded filaments; wherein the mass ratio of the polypropylene spunbond filaments to the first structure is 10-20%:80-90%, the mass ratio of the plant short fiber to the polypropylene melt-blown short fiber is 80-95%:5-20%.
In this embodiment, the plant staple fibers include, but are not limited to, one or more of wood pulp staple fibers, bamboo staple fibers, cotton staple fibers, she Duan fibers, grass staple fibers, bast fibers.
In this example, the polypropylene spunbond filaments were entangled with the first structure in a proportion of 20-50%.
The invention also comprises a mixed fiber type non-woven fabric production device for wiping, which comprises an extrusion mechanism, a melt-blowing mechanism, a wood pulp opening mechanism and a draft channel 4, wherein the draft channel 4 is vertically arranged, a top feed inlet 41 is formed in the top of the draft channel 4, a discharge outlet 34 and a melt-blowing die head 24 are formed in the side wall of the draft channel 4, the discharge outlet 34 is positioned on the upper side of the melt-blowing die head 24, the extrusion mechanism is connected with the top feed inlet 41 of the draft channel 4, the melt-blowing mechanism is connected with the melt-blowing die head 24, and the wood pulp opening mechanism is connected with the discharge outlet 34.
In this embodiment, the extruding mechanism includes a first hopper 11, a first screw extruder 12, an extruding channel 13, a spinning box 14, a monomer drawing device 15, and a cold air box 16, wherein the first hopper 11 is connected with the first screw extruder 12, the extruding screw of the first screw extruder 12 is connected with the extruding channel 13, the extruding channel 13 is connected with the spinning box 14, the spinning box 14 is connected with a top feed inlet 41 of the drawing channel 4, the monomer drawing device 15 is connected with the spinning box 14, and the cold air box 16 is respectively connected with the spinning box 14 and the top feed inlet 41 of the drawing channel 4.
In this embodiment, the monomer extracting device 15 may refer to chinese patent, publication No. CN103320883a, entitled monomer extracting device for chemical fiber yarn, where the monomer extracting device 15 is connected to the spinning beam 14, and is used for directly extracting a monomer structure formed during the micropore spraying process of the spinneret of the spinning beam 14 by a suction hood, so as to prevent the monomer structure from diffusing into a workshop or condensing onto the spinneret of the spinning beam 14.
In this embodiment, the melt blowing mechanism includes a second hopper 21, a second screw extruder 22, and a melt channel 23, the second hopper 21 being connected to the second extruder, the extrusion screw of the second screw extruder 22 being connected to the melt channel 23, the melt channel 23 being connected to the melt blowing die 24.
In this embodiment, metering pumps 17 are disposed in both extrusion channel 13 and melt channel 23, and filters 18 are disposed in both extrusion channel 13 and melt channel 23.
In this embodiment, the meltblown die head 24 is adjustable in angle and distance to the draw channel 4 to facilitate control of the degree of entanglement between fibers by adjustment of the angle and distance.
In this embodiment, the melt channel 23 from metering pump 17 to melt blowing die 24 is a removable heatable melt hose that facilitates angle adjustment of the melt blowing die 24 and adjustment of the distance into the draw down channel 4.
In this embodiment, the wood pulp opening mechanism includes a crusher 31, a blower 35, a feeding passage 32, and a carding machine 33, wherein the crusher 31 is connected to the feeding passage 32, the feeding passage 32 is connected to the carding machine 33, and the carding machine 33 is connected to a discharge port 34, and the blower 35 is disposed at a feed end of the feeding passage 32.
In this embodiment, the carding machine 33 includes a feeding hopper Mao Lian 341, a feeding roller 342, a carding roller 343, a chest cylinder 344, a working roller 345, a stripping roller 346, a transporting roller 347 and a large cylinder 348, after being crushed by the crusher 31, the crushed raw materials are conveyed to the feeding hopper 331 through the feeding channel 32, fed between the two feeding rollers 342 by the feeding hopper Mao Lian 331, the raw materials are tightly held by the feeding roller 342 and are subjected to carding by the carding roller 343, the opened raw materials are transferred to the chest cylinder 344 through the carding roller 343, the raw materials are carded into a bundle-shaped fiber between the two working rollers 345 and the two stripping rollers 346 in the chest cylinder 344, the plant short fiber after being pre-carded is transferred to the large cylinder 348 through the transporting roller 347 and is then conveyed to the discharging port 34.
In this embodiment, a meter 36 is provided between the carding machine 33 and the discharge opening 34.
In this embodiment, the fiber entanglement section 43 is provided on the inner bottom side of the draft channel 4, and the discharge port 34 and the melt blowing die 24 are connected to the fiber entanglement section 43, respectively, and the width of the draft channel 4 to the fiber entanglement section 43 is gradually reduced.
In this embodiment, an air flow guiding device is provided directly below the fiber entanglement region 34, the air flow guiding device being a lower suction fan 42 which functions to guide the air flow and to guide the high-speed air flow of the draft channel 1 to be discharged.
The invention also comprises a production mode of the mixed fiber type non-woven fabric for wiping, which comprises the following steps:
s1, starting a first screw extruder 12, conveying polypropylene fibers to a conveying spinning box 14 through an extrusion channel 13 and a filter 18 by the first screw extruder 12, starting a cold air box 16, conveying high-speed air flow to a top feed inlet 41 of the spinning box 14 and a drawing channel 4 by the cold air box 16, extruding and cooling a polypropylene melt to form polypropylene spunbond filaments by matching a monomer drawing device 15 and the spinning box 14, and conveying the polypropylene spunbond filaments to the drawing channel 4.
S2, the polypropylene spunbond filaments are drawn into thinner filaments in a drawing channel 4 by high-speed air flow and are vertically conveyed downwards until moving to the left half of a fiber entanglement zone 43, and part of the polypropylene spunbond filaments are accumulated in the zone to form a spunbond web layer.
S3, starting a second screw extruder 22, conveying high-temperature polypropylene melt-blown fibers to a melt-blowing die head 24 through a melt channel 23 and a filter 18 by the second screw extruder 22, rapidly cooling and crystallizing the high-temperature polypropylene melt-blown staple fibers under the action of cold air of a cold air box 16 to form finer soft staple fibers, and conveying the finer soft staple fibers to the right half part of a fiber entanglement zone 43 through the melt-blowing die head 24.
S4, starting a pulverizer 31, pulverizing wood pulp raw materials (wood boards, paper pulp, bamboo and the like) into fluff pulp and plant short fibers by the pulverizer 31, blowing the fluff pulp and the plant short fibers by high-speed air flow output by a blower 35, conveying the fluff pulp and the plant short fibers to a carding machine 33 in cooperation with a feeding channel 32, carding the fluff pulp and the plant short fibers into order by the carding machine 33, uniformly dispersing the plant short fibers in the air flow to avoid agglomeration, and finally outputting the plant short fibers to the right half part of a fiber entanglement area 43 by a discharge hole 34 and intertwining the plant short fibers with polypropylene melt-blown short fibers to form a first structure; the plant short fibers are entangled with the high-temperature polypropylene melt-blown short fibers, so that the connection between the plant short fibers and the polypropylene melt-blown short fibers is hot-rolled consolidation, and a large amount of plant short fibers can be used without using chemical adhesives and scraps can not be fallen.
S5, the first structure in the step S4 moves to the left half part of the fiber entanglement area 43, and is entangled with part of the spun-bonded fiber web layer to form non-woven fabric through high-speed air flow, and then is output through the bottom discharge port 42 of the drafting channel 4.
The non-woven fabric of this embodiment after so forming is different from simple range upon range of formula non-woven fabrics structure, and the non-woven fabrics of this embodiment is more intertwined among the fibre, only a small part filament can form the one deck alone, effectively improves holistic wearability and powerful, soft fluffy.
The above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present invention or modify equivalent embodiments without departing from the scope of the technical solution of the present invention by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the invention without departing from the technical scheme of the invention.
Claims (10)
1. The utility model provides a mix fine formula and clean with non-woven fabrics, includes first structure and second structure, its characterized in that: the first structure is formed by intertwining plant short fibers and polypropylene melt-blown short fibers, and the second structure is formed by intertwining the first structure and polypropylene spun-bonded filaments; wherein the mass ratio of the polypropylene spunbond filaments to the first structure is 10-20%:80-90%, wherein the mass ratio of the plant short fiber to the polypropylene melt-blown short fiber is 80-95%:5-20%.
2. The nonwoven fabric for wiping as defined in claim 1, wherein: the plant short fiber comprises one or more of wood pulp short fiber, bamboo short fiber, cotton short fiber, she Duan fiber, grass short fiber and bast fiber.
3. The production apparatus for a mixed-fiber type nonwoven fabric for wiping as defined in claim 2, characterized in that: including extrusion device, melt-blown mechanism, wood pulp opening mechanism, draft passageway (4) set up perpendicularly, open at draft passageway (4) top has top feed inlet (41), draft passageway (4) lateral wall is provided with discharge gate (34), melt-blown die head (24), discharge gate (34) are located melt-blown die head (24) upside, top feed inlet (41) of draft passageway (4) are connected to extrusion device, melt-blown mechanism connects melt-blown die head (24), wood pulp opening mechanism connects discharge gate (34).
4. A mixed fiber type nonwoven fabric for wiping production apparatus as defined in claim 3, characterized in that: the extrusion mechanism comprises a first hopper (11), a first screw extruder (12), an extrusion channel (13), a spinning box body (14), a monomer drawing device (15) and a cold air box (16), wherein the first screw extruder (12) is connected with the first hopper (11), the extrusion channel (13) is connected with the extrusion screw of the first screw extruder (12), the spinning box body (14) is connected with the extrusion channel (13), the spinning box body (14) is connected with a top feed inlet (41) of a drafting channel (4), the monomer drawing device (15) is connected with the spinning box body (14), and the cold air box (16) is respectively connected with the spinning box body (14) and the top feed inlet (41) of the drafting channel (4).
5. The production apparatus for a mixed-fiber type nonwoven fabric for wiping as defined in claim 4, wherein: the melt blowing mechanism comprises a second hopper (21), a second screw extruder (22) and a melt channel (23), wherein the second hopper (21) is connected with the second extruder, the extrusion screw of the second screw extruder (22) is connected with the melt channel (23), and the melt channel (23) is connected with a melt blowing die head (24).
6. The production apparatus for a mixed-fiber type nonwoven fabric for wiping as defined in claim 5, wherein: metering pumps (17) are arranged in the extrusion channel (13) and the melt channel (23), and filters (18) are arranged in the extrusion channel (13) and the melt channel (23).
7. The production apparatus for a mixed-fiber type nonwoven fabric for wiping as defined in claim 6, wherein: the wood pulp opening mechanism comprises a crusher (31), a blower (35), a feeding channel (32) and a carding machine (33), wherein the crusher (31) is connected with the feeding channel (32), the feeding channel (32) is connected with the carding machine (33), the carding machine (33) is connected with a discharge port (34), and the blower (35) is arranged at the feeding end of the feeding channel (32).
8. The production apparatus for a mixed-fiber type nonwoven fabric for wiping as defined in claim 7, wherein: a plant short fiber meter (36) is arranged between the carding machine (33) and the discharge hole (34).
9. The production apparatus for a mixed-fiber type nonwoven fabric for wiping according to claim 8, characterized in that: the bottom side in the drafting channel (4) is provided with a fiber entanglement zone (43), the discharging hole (34) and the melt blowing die head (24) are respectively connected with the fiber entanglement zone (43), and the width from the drafting channel (4) to the fiber entanglement zone (43) is gradually reduced.
10. A method of producing the mixed fiber type nonwoven fabric for wiping as defined in claim 9, characterized in that: the method comprises the following steps:
s1, starting a first screw extruder (12), conveying polypropylene fibers to a conveying spinning box body (14) through an extrusion channel (13) by the first screw extruder (12), then starting a cold air box (16), conveying high-speed air flow by the cold air box (16), extruding and cooling a polypropylene melt to form polypropylene spun-bonded filaments by matching a monomer drawing device (15) and the spinning box body (14), and conveying the polypropylene melt to a drawing channel (4);
s2, drawing the polypropylene spunbond filaments into thinner filaments in a drawing channel (4) through high-speed air flow, and vertically conveying the filaments downwards until the filaments move to the left half part of a fiber entanglement zone (43);
s3, starting a second screw extruder (22), conveying polypropylene melt-blown fibers to a melt-blowing die head (24) through a melt channel (23) by the second screw extruder (22), and conveying polypropylene melt-blown staple fibers to the right half part of a fiber entanglement zone (43) through the melt-blowing die head (24);
s4, starting a pulverizer (31), pulverizing raw materials into fluff pulp and plant short fibers by the pulverizer (31), blowing the fluff pulp and the plant short fibers by high-speed air flow output by a blower (35), conveying the fluff pulp and the plant short fibers to a carding machine (33) in cooperation with a feeding channel (32), carding the fluff pulp and the plant short fibers in order by the carding machine (33), and finally outputting the plant short fibers to the right half part of a fiber entanglement area (43) through a discharge hole (34), and intertwining the fluff pulp and the plant short fibers with polypropylene melt-blown short fibers to form a first structure;
s5, the first structure in the step S4 moves to the left half part of the fiber entanglement area (43), and is entangled with the spun-bonded fiber web layer to form non-woven fabric through high-speed air flow, and then is output through a bottom discharge hole (42) of the drafting channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311269710.XA CN117328211A (en) | 2023-09-28 | 2023-09-28 | Mixed fiber type non-woven fabric for wiping, production equipment and production mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311269710.XA CN117328211A (en) | 2023-09-28 | 2023-09-28 | Mixed fiber type non-woven fabric for wiping, production equipment and production mode |
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