CN113897794B - Disposable garment flame-retardant fabric and preparation method thereof - Google Patents
Disposable garment flame-retardant fabric and preparation method thereof Download PDFInfo
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- CN113897794B CN113897794B CN202111038048.8A CN202111038048A CN113897794B CN 113897794 B CN113897794 B CN 113897794B CN 202111038048 A CN202111038048 A CN 202111038048A CN 113897794 B CN113897794 B CN 113897794B
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- flame
- retardant
- cutting
- polyethylene film
- jacking
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000003063 flame retardant Substances 0.000 title claims abstract description 104
- 239000004744 fabric Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title description 2
- 238000005520 cutting process Methods 0.000 claims abstract description 72
- 239000004698 Polyethylene Substances 0.000 claims abstract description 57
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 50
- -1 polyethylene Polymers 0.000 claims abstract description 41
- 229920000573 polyethylene Polymers 0.000 claims abstract description 41
- 239000002245 particle Substances 0.000 claims abstract description 16
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 6
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 6
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 6
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 6
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims abstract description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 13
- 239000007921 spray Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
- D06N3/009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by spraying components on the web
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/042—Polyolefin (co)polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
Abstract
The invention discloses a disposable clothing flame-retardant fabric and a preparation method thereof, which belong to the technical field of flame-retardant fabrics, and the disposable clothing flame-retardant fabric and the preparation method thereof comprise flame-retardant non-woven fabrics, wherein a layer of flame-retardant polyethylene film is attached to the flame-retardant non-woven fabrics, and the flame-retardant polyethylene film comprises the following components in important parts: 15% -30% of brominated flame retardant, 20% -40% of PE particle LLDPE, 30% -40% of PE particle LDPE, 5% -15% of PE particle HDPE and 25% -35% of PE particle MLLDPE. The flame-retardant fabric of this design adopts double-deck design, and one deck is the non-woven fabrics, and another layer is the film of adhering to on the non-woven fabrics, and low cost, secondly, in the preparation facilities of this design, can come the flattening thin film layer through the pinch roller to be favorable to subsequent tailorring, and can prevent partial surface fabric removal under the condition that does not influence the conveyer belt in the cutting case, and carry out the cutting, be favorable to the stationarity and the security of cutting.
Description
[ field of technology ]
The invention relates to the technical field of flame-retardant fabrics, in particular to a disposable garment flame-retardant fabric and a preparation method thereof.
[ background Art ]
With the development of technology, the requirements of people on textiles are increasing. The flame-retardant fabric is particularly important for special industries such as firefighters and steelmaking workers, the working clothes of the professionals are mostly prepared from common fibers through flame-retardant after-finishing, the working clothes have small deformation capability and excellent flame-retardant performance, but the flame-retardant capability of the working clothes is greatly reduced after the working clothes are used for a long time, so that the working clothes made of the disposable flame-retardant fabric can be used for replacing the original working clothes, and the requirements of low cost and remarkable effect are met.
[ invention ]
Aiming at the defects of the prior art, the invention provides a disposable flame-retardant garment fabric and a preparation method thereof, and solves the problems in the prior art.
The invention adopts the following technical scheme:
the disposable garment flame-retardant fabric comprises flame-retardant non-woven fabrics, wherein a layer of flame-retardant polyethylene film is attached to the flame-retardant non-woven fabrics, the gram weight range of the flame-retardant non-woven fabrics is 18 GSM to 26GSM, the breadth is 150cm to 180cm, the gram weight range of the flame-retardant polyethylene film is 22 GSM to 30 GSM, the breadth is 150cm to 180cm, and the flame-retardant polyethylene film comprises the following components in parts by weight: 15% -20% of brominated flame retardant, 20% -25% of PE particle LLDPE, 30% -35% of PE particle LDPE, 5% -10% of PE particle HDPE and 25% -30% of PE particle MLLDPE.
Preferably, the preparation method comprises the following steps: s1: checking, accepting and warehousing, checking whether raw materials for forming the flame-retardant polyethylene film are wet or not, and performing a combustion test, wherein the raw materials can be warehoused for use according with requirements; s2: spraying the mixed and stirred raw materials onto flame-retardant non-woven fabrics through a spraying box to form a flame-retardant polyethylene film, and then flattening the flame-retardant polyethylene film through a roller; s3: drying and forming, wherein the dryer carries out drying treatment on the flame-retardant polyethylene film on the entering flame-retardant non-woven fabric, so that the flame-retardant non-woven fabric is formed; s4: slitting and winding, namely uniformly wide dividing the flame-retardant non-woven fabric and the flame-retardant polyethylene film through a cutting box; s5: and packaging and delivering, namely packaging the flame-retardant non-woven fabrics with the flame-retardant polyethylene films produced in batches, so that the carrying is convenient.
Preferably, a conveying belt group which is vertically symmetrical is arranged in the cutting box, the conveying belt group comprises two conveying wheels which are horizontally arranged in a bag expanding mode, the two conveying wheels are connected through a conveying belt, a mortgage block and a mortgage cutting block are arranged on the conveying belt, an opening is arranged in the middle of the mortgage cutting block and is far away from a cutting opening of the conveying belt, a first air cylinder is arranged in the cutting box, and a cutting knife which is smaller than the cutting opening is connected to the first air cylinder. The conveying belt can be driven to run through the rotation of the conveying wheels, and the mortgage blocks on the upper side and the lower side can clamp the non-woven fabrics and the films after being close to each other, and the non-woven fabrics and the films are cut at proper positions through the cutting knife, so that the non-woven fabrics and the films with the specified widths are obtained.
Preferably, a second air cylinder is arranged in the cutting box, and the second air cylinder is connected with a blocking rod capable of blocking the mortgage cutting block. The second cylinder drives the blocking rod and blocks the mortgage cutting block, so that the non-woven fabric and the film stop moving, and the cutting knife cuts the static non-woven fabric and the film.
Preferably, a second pressing cavity is arranged in the conveyor belt, the mortgage cutting block can slide along the inner wall of the second pressing cavity, and a second pressing spring for pressing the mortgage cutting block is arranged in the second pressing cavity. When the mortgage cutting block is blocked by the blocking rod, the conveyor belt still runs, the mortgage cutting block is blocked and cannot move synchronously along the conveyor belt, so that the mortgage cutting block slides along the inner wall of the second jacking cavity, and the second jacking spring is compressed and contracted.
Preferably, the mortgage block and the mortgage cutting block are internally provided with a first jacking cavity with a downward opening, a sliding jacking block is arranged in the first jacking cavity, and a first jacking spring is arranged between the inner wall of the first jacking cavity and the jacking block. The first jacking spring jacks the jacking block, so that the flame-retardant fabric is clamped.
Preferably, an outlet is formed in the cutting box, and a collecting box is arranged right below the outlet. The outlet is positioned at the position where the two conveyor belts finally contact, and the collecting box is positioned at the position right below the outlet, so that the non-woven fabrics can be collected when the non-woven fabrics fall off.
Preferably, a storage cavity for storing raw materials is arranged in the spraying box, and a spraying gun which is obliquely aligned with the flame-retardant non-woven fabric is connected to the storage cavity. The spray gun sprays the raw materials in the discharge cavity onto the non-woven fabric to form an unshaped flame-retardant polyethylene film, so that a layer of flame-retardant polyethylene film is attached to the non-woven fabric, and the flame retardance is enhanced.
Preferably, a waste cavity is further arranged in the spray box, and the grinding wheel is located above the waste cavity. The grinding wheel rotates through external driving force to roll the unshaped flame-retardant polyethylene film, and redundant materials can fall into the waste cavity through the action of gravity to be collected, so that waste treatment is facilitated.
Preferably, an extrusion plate is further arranged in the spraying box, and the extrusion plate contacts the flame-retardant polyethylene film before the grinding wheel. The extrusion plate is driven by external driving force to reciprocate up and down, so that the flame-retardant polyethylene film is extruded, the flame-retardant polyethylene film is uniformly pressed, and the area which is not sprayed by the spraying gun is prevented from being attached by the flame-retardant polyethylene film.
The beneficial effects are that:
compared with the traditional flame-retardant fabric and the preparation method thereof, the disposable flame-retardant fabric provided by the invention has the advantages that firstly, the designed flame-retardant fabric adopts a double-layer design, one layer is non-woven fabric, and the other layer is a film attached to the non-woven fabric, compared with the traditional chemical fiber fabric, the cost is low, secondly, in the preparation device provided by the invention, the film layer can be flattened through the roller, so that the subsequent cutting is facilitated, and in addition, part of the fabric can be prevented from moving under the condition of not influencing a conveyor belt in a cutting box, and the cutting is facilitated, so that the stability and the safety of the cutting are facilitated.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the spray box;
FIG. 3 is a schematic view of the internal structure of the cutting box;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of the structure in the direction B-B in FIG. 4;
FIG. 6 is a schematic diagram of the internal structure of a mortgage block;
fig. 7 is an enlarged schematic view of the flame retardant nonwoven fabric.
Reference numerals:
13. the flame-retardant non-woven fabric comprises a flame-retardant non-woven fabric body, 15, a spray box, 16, a dryer, 17, a cutting box, 18, a collecting box, 19, a storage cavity, 20, a spray gun, 22, a waste cavity, 23, a grinding wheel, 24, a conveying wheel, 25, a conveying belt, 27, an outlet, 28, a mortgage block, 29, a mortgage cutting block, 30, a cutting opening, 31, a second jacking cavity, 32, a second jacking spring, 33, a blocking rod, 34, a cutting knife, 35, a first cylinder, 36, a second cylinder, 37, a jacking block, 38, a first jacking cavity, 39, a first jacking spring, 40, a flame-retardant polyethylene film, 41 and a extrusion plate.
[ detailed description ] of the invention
The technical solutions of the embodiments of the present invention will be explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
Examples:
referring to fig. 1 to 7, the disposable garment flame-retardant fabric comprises a flame-retardant non-woven fabric 13, wherein a layer of flame-retardant polyethylene film 40 is attached to the flame-retardant non-woven fabric 13, the weight range of the flame-retardant non-woven fabric 13 is 22 GSM, the width is 165cm, the weight range of the flame-retardant polyethylene film 40 is 26GSM, the width is 165cm, and the flame-retardant polyethylene film 40 comprises the following components in parts by weight: 15% of brominated flame retardant, 20% of PE particle LLDPE, 30% of PE particle LDPE, 10% of PE particle HDPE and 25% of PE particle MLLDPE, wherein LLDPE is linear low-density polyethylene, LDPE is low-density polyethylene, HDPE is high-density polyethylene, and MLLDPE is metallocene linear low-density polyethylene.
The preparation method comprises the following steps: s1: checking and warehousing, namely checking whether the raw materials forming the flame-retardant polyethylene film 40 are wet or not, performing a combustion test, and warehousing for use if the raw materials are not wet and pass the flame-retardant performance test in the combustion test; s2: spraying the mixed and stirred raw materials onto the flame-retardant non-woven fabric 13 through a spraying box 15 to form a flame-retardant polyethylene film 40, and flattening the flame-retardant polyethylene film 40 through a roller 23, wherein the temperature in the spraying box 15 is about 230 ℃; s3: drying and forming, wherein the dryer 16 carries out drying treatment on the flame-retardant polyethylene film 40 on the entering flame-retardant non-woven fabric 13, so as to form the flame-retardant non-woven fabric; s4: slitting and winding, namely dividing the flame-retardant non-woven fabric 13 and the flame-retardant polyethylene film 40 into equal width through a cutting box 17; s5: and packaging and leaving warehouse, and packaging the flame-retardant non-woven fabric 13 with the flame-retardant polyethylene film 40 which is produced in batch, so that the carrying is convenient.
The cutting box 17 is internally provided with a conveying belt group which is vertically symmetrical, the conveying belt group comprises two conveying wheels 24 which are at the same level, the two conveying wheels 24 are connected through a conveying belt 25, a mortgage block 28 and a mortgage cutting block 29 are arranged on the conveying belt 25, a cutting opening 30 with an opening far away from the conveying belt 25 is arranged in the middle of the mortgage cutting block 29, the cutting box 17 is internally provided with a first cylinder 35, the first cylinder 35 is connected with a cutting knife 34 which is smaller than the cutting opening 30, the cutting box 17 is internally provided with a second cylinder 36, the second cylinder 36 is connected with a blocking rod 33 which can block the mortgage cutting block 29, a second jacking cavity 31 is arranged in the conveying belt 25, the mortgage cutting block 29 can slide along the inner wall of the second jacking cavity 31, a second jacking spring 32 which jacks the mortgage cutting block 29 is arranged in the middle of the second jacking cavity 31, the mortgage block 28 and the first jacking block 29 are internally provided with an opening, a first jacking cavity 38 is arranged downwards, a pressing block 38 is arranged in the first jacking cavity 38 is arranged in the second jacking cavity 37, and a pressing block 38 is arranged in the first box 37, and a collecting box 37 is arranged below the first jacking cavity 38, and the first pressing box 37 is provided with a pressing box 38, and the first pressing box 38 is provided with a pressing box 38.
The spraying box 15 is internally provided with a storage cavity 19 for storing raw materials, the storage cavity 19 is connected with a spraying gun 20 which is obliquely aligned with the flame-retardant non-woven fabric 13, the spraying box 15 is internally provided with a waste cavity 22, the grinding wheel 23 is positioned above the waste cavity 22, the spraying box 15 is internally provided with an extrusion plate 41, and the extrusion plate is contacted with the flame-retardant polyethylene film 40 before the grinding wheel 23.
The working principle is as follows:
the transmission wheel 24 rotates by external driving force, the external driving force can be driven by a motor, the transmission wheel 24 rotates to drive the transmission belt 25 to run, the non-woven fabric 13 enters the spraying box 15, the spraying gun 20 sprays flame-retardant raw materials onto the non-woven fabric 13, the extrusion plate 41 reciprocates up and down by the external driving force to extrude the flame-retardant raw materials sprayed onto the non-woven fabric 13, then the grinding wheel 23 rotates by the external driving force to grind the film layer 40 on the non-woven fabric 13, then the film layer 40 on the non-woven fabric 13 is dried by the dryer 16 to be shaped, then flame-retardant fabrics consisting of the non-woven fabric 13 and the film 40 enter the cutting box 17, when the mortgage cutting block 29 drives the flame-retardant fabrics to reach the front of the blocking rod 33, the second air cylinder 36 is started to drive the blocking rod 33 to move to block the mortgage cutting block 29, the mortgage cutting block 29 is blocked from moving along the second jacking cavity 31, the second top pressing spring 32 is pressed and contracted, the conveyor belt 25 still operates, the following mortgage blocks 28 of the mortgage cutting blocks 29 continue to advance, the fabric between the mortgage blocks 28 and the mortgage cutting blocks 29 is bent, after that, the first air cylinder 35 is started to drive the cutting knife 34 to move along the cutting opening 30 in the mortgage cutting blocks 29 so as to cut the flame-retardant fabric, after the cutting is finished, the first air cylinder 35 drives the cutting knife 34 to restore to the original position, the second air cylinder 36 drives the blocking rod 33 to retract to the original position so as not to block the mortgage cutting blocks 29 any more, the second top pressing spring 32 pushes the mortgage cutting blocks 29 to restore to the original position, and the cut flame-retardant fabric continues to move until moving to the position of the outlet 27, and the flame-retardant fabric can be output into the collecting box 18 along the outlet 27 because the mortgage blocks 28 and the mortgage cutting blocks 29 do not push the flame-retardant fabric any more.
The grammage of the produced flame-retardant nonwoven 13 and the flame-retardant polyethylene film 40 ranges from 47gsm to 51gsm, the longitudinal index of stretching is 60N/5cm, the transverse index of stretching is 40N/5cm, the longitudinal peeling strength is 1.5N/5cm, the transverse peeling strength is 1.5N/5cm, the hydrostatic pressure is 1400mbar, and the combustion performance is b1 grade.
While the invention has been described in terms of embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection via an intermediate assembly without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be apparent to those skilled in the art, the specific meaning of the terms in the present invention or the invention may be understood in the specific case.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The preparation method of the disposable garment flame-retardant fabric comprises the steps of (1) preparing a flame-retardant non-woven fabric (13), and is characterized in that: the flame-retardant non-woven fabric (13) is adhered with a layer of flame-retardant polyethylene film (40), the gram weight range of the flame-retardant non-woven fabric (13) is 18 GSM to 26GSM, the breadth is 150cm to 180cm, the gram weight range of the flame-retardant polyethylene film (40) is 22 GSM to 30 GSM, the breadth is 150cm to 180cm, and the flame-retardant polyethylene film (40) comprises the following components in parts by weight: 15% -20% of brominated flame retardant, 20% -25% of PE particle LLDPE, 30% -35% of PE particle LDPE, 5% -10% of PE particle HDPE and 25% -30% of PE particle MLLDPE;
the preparation method of the flame-retardant fabric comprises the following steps: s1: checking, accepting and warehousing, checking whether raw materials forming the flame-retardant polyethylene film (40) are wet or not, and performing a combustion test, wherein the raw materials can be warehoused for use according with requirements; s2: spraying the mixed and stirred raw materials onto a flame-retardant non-woven fabric (13) through a spraying box (15) to form a flame-retardant polyethylene film (40), and flattening the flame-retardant polyethylene film (40) through a roller (23); a storage cavity (19) for storing raw materials is formed in the spraying box (15), a spraying gun (20) obliquely aligned with the flame-retardant non-woven fabric (13) is connected to the storage cavity (19), a waste cavity (22) is further formed in the spraying box (15), the grinding wheel (23) is located above the waste cavity (22), an extrusion plate (41) is further arranged in the spraying box (15), and the extrusion plate contacts the flame-retardant polyethylene film (40) before the grinding wheel (23); s3: drying and forming, wherein a dryer (16) carries out drying treatment on the flame-retardant polyethylene film (40) on the entering flame-retardant non-woven fabric (13) so as to form the flame-retardant polyethylene film; s4: slitting and winding, namely uniformly wide-width dividing the flame-retardant non-woven fabric (13) containing the flame-retardant polyethylene film (40) by a cutting box (17), wherein an outlet (27) is arranged on the cutting box (17), and a collecting box (18) is arranged right below the outlet (27); the cutting box (17) is internally provided with a conveying belt group which is vertically symmetrical, the conveying belt group comprises two conveying wheels (24) which are at the same level, the two conveying wheels (24) are connected through a conveying belt (25), a mortgage block (28) and a mortgage cutting block (29) are arranged on the conveying belt (25), a cutting opening (30) with an opening far away from the conveying belt (25) is arranged in the middle of the mortgage cutting block (29), a first air cylinder (35) is arranged in the cutting box (17), and a cutting knife (34) smaller than the cutting opening (30) is connected to the first air cylinder (35); a second air cylinder (36) is arranged in the cutting box (17), and the second air cylinder (36) is connected with a blocking rod (33) capable of blocking the mortgage cutting block (29); a second jacking cavity (31) is formed in the conveyor belt (25), the mortgage cutting block (29) can slide along the inner wall of the second jacking cavity (31), and a second jacking spring (32) for jacking the mortgage cutting block (29) is arranged in the second jacking cavity (31); the mortgage cutting block (29) is internally provided with a first jacking cavity (38) with a downward opening, a sliding jacking block (37) is arranged in the first jacking cavity (38), and a first jacking spring (39) is arranged between the inner wall of the first jacking cavity (38) and the jacking block (37); s5: and packaging and delivering, namely packaging the flame-retardant non-woven fabric (13) with the flame-retardant polyethylene film (40) which is produced in batches, so that the packaging and delivering are convenient.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038048.8A CN113897794B (en) | 2021-09-06 | 2021-09-06 | Disposable garment flame-retardant fabric and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111038048.8A CN113897794B (en) | 2021-09-06 | 2021-09-06 | Disposable garment flame-retardant fabric and preparation method thereof |
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| CN113897794B true CN113897794B (en) | 2024-02-13 |
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| CN113897794A (en) | 2022-01-07 |
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