CN116555965A - Production method for improving quality stability of monofilament industrial cloth - Google Patents
Production method for improving quality stability of monofilament industrial cloth Download PDFInfo
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- CN116555965A CN116555965A CN202310819493.0A CN202310819493A CN116555965A CN 116555965 A CN116555965 A CN 116555965A CN 202310819493 A CN202310819493 A CN 202310819493A CN 116555965 A CN116555965 A CN 116555965A
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- monofilament
- cloth
- water tank
- industrial
- woven fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000007598 dipping method Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 25
- 238000007493 shaping process Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000009987 spinning Methods 0.000 claims abstract description 5
- 238000009941 weaving Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000002759 woven fabric Substances 0.000 claims description 31
- 239000003292 glue Substances 0.000 claims description 19
- 239000004952 Polyamide Substances 0.000 claims description 15
- 229920002647 polyamide Polymers 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 206010003549 asthenia Diseases 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000004677 Nylon Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013040 rubber vulcanization Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention discloses a production method for improving the quality stability of monofilament industrial cloth, which comprises the following steps: selecting materials, dissolving at high temperature, spinning, cooling, stretching and shaping, twisting, weaving, dipping, drying, finishing and shaping and coiling, and finally coiling the monofilament industrial cloth on a finished product packaging tube. Through the mode, the production method for improving the quality stability of the monofilament industrial cloth improves the uniformity and the shrinkage consistency of the filament bundles, and improves the flatness of the cloth cover through optimization of the dipping, drying and shaping processes of the woven cloth.
Description
Technical Field
The invention relates to the technical field of production of monofilament industrial cloth, in particular to a production method for improving quality stability of the monofilament industrial cloth.
Background
The monofilament industrial fabric has wide application, such as tyre cord fabric, and may be used as tyre skeleton material to bear the load of tyre body.
The tyre cord fabric adopts nylon monofilaments, and because the original characteristics of the nylon monofilaments are stiff, the heat shrinkage is larger than the deviation of common multifilament, and the quality stability is poor, the uneven surface of the tyre cord fabric is easy to occur when the tyre cord fabric is physically rubberized at normal temperature or vulcanized at high temperature, the quality of rubber products is influenced, and the quality stability of the monofilament industrial fabric is required to be improved.
Disclosure of Invention
The invention mainly solves the technical problem of providing a production method for improving the quality stability of the monofilament industrial cloth, which improves the quality stability of the monofilament industrial cloth and solves the flatness problem during normal-temperature physical rubberizing or high-temperature rubber vulcanization.
In order to solve the technical problems, the invention adopts a technical scheme that: the production method for improving the quality stability of the monofilament industrial cloth comprises the following steps:
A. selecting materials: selecting polyamide slices as raw materials;
B. high-temperature dissolution: feeding the raw materials into a high-temperature box body, and heating and dissolving to obtain fluid;
C. and (3) spinning: extruding the fluid into a spinneret plate through a screw extrusion device, and ejecting tows through the spinneret plate;
D. and (3) cooling: feeding the tows ejected from the spinneret plate into a three-stage water tank for cooling, wherein the water temperature of the first-stage water tank is 20-30 ℃, the water temperature of the second-stage water tank is 10-18 ℃, the water temperature of the third-stage water tank is 3-8 ℃, the first-stage water tank and the second-stage water tank are static water baths, and the third-stage water tank is dynamic water baths, so that the tows are gradually converted from liquid to solid, the tension and the contraction force of the tows are ensured to be buffered in the conversion process, and the uniformity and the consistency of the contraction of the tows are ensured;
E. stretching and shaping: heating the cooled filament bundles in a secondary drying room, stretching by 3-5 times, cooling, and winding to obtain polyamide filaments;
F. twisting: twisting 2 manufactured polyamide filaments on a twisting machine, avoiding unwinding tension, directly twisting, directly forming by using a drawing roller, and changing the strength loss of the polyamide filaments to obtain a twisted yarn;
G. weaving: the ply yarn is led into a loom to be woven in a warp-weft plain weave mode to prepare woven cloth;
H. dipping: leading the woven fabric into a modified dipping tank through an unwinding device for dipping treatment, arranging a first press roller, a passive rubber roller and a driving roller above the dipping tank, sequentially arranging the first press roller, the passive rubber roller and the driving roller from top to bottom, arranging a second press roller on one side of the driving roller, increasing the contact between glue in the dipping tank and the surface of the woven fabric, and keeping the amount of the glue immersed into the surface of the woven fabric consistent;
I. drying, finishing and shaping: vertically transferring the impregnated woven fabric to a drying room above through a press roller, vertically conveying in a reciprocating manner and heating and drying in the drying room, then sending the woven fabric into a setting machine for finishing and forming, adding a cooling box body at the front end of the setting machine, cooling the glued woven fabric after drying through the cooling box body, solidifying the undried glue before setting, and ensuring the setting stability and the uniformity of the distribution of the glue on the woven fabric, and finishing and setting to obtain the monofilament industrial fabric;
J. and (3) coiling: the monofilament industrial cloth is coiled in a uniform-speed attenuation type passive coiling mode, uneven cloth surface caused by inconsistent internal and external tension of the monofilament industrial cloth is avoided, and finally the monofilament industrial cloth is coiled on a finished product packaging tube.
In a preferred embodiment of the invention, the inlet of the spinneret plate is provided with a honeycomb filter plate, and the spinneret plate is provided with a conical cavity.
In a preferred embodiment of the present invention, the temperature in the cooling box is-10-0 ℃.
In a preferred embodiment of the invention, the air blowing openings above and below the woven fabric path are arranged in an array in the setting machine to perform vertical air blowing on the upper and lower surfaces of the woven fabric, so as to ensure the uniformity of heating of the woven fabric.
In a preferred embodiment of the invention, a spray pipe is arranged above the three-stage water tank, and a circulating water pump is arranged between the three-stage water tank and the spray pipe.
In a preferred embodiment of the invention, the second press roll surface is densely covered with mesh openings.
In a preferred embodiment of the present invention, the glue in the dipping tank is RFL latex.
The beneficial effects of the invention are as follows: according to the production method for improving the quality stability of the monofilament industrial cloth, the spinneret plate is modified, uniformity of sprayed tows is guaranteed, and three-stage water tanks are utilized for cooling, so that uniformity of tow shrinkage and fineness stability are improved, a foundation is laid for subsequent woven cloth processing, sizing stability and uniformity of sizing material distribution on the woven cloth are improved through optimization of the dipping, drying and sizing processes of the woven cloth, quality stability of the monofilament industrial cloth is guaranteed, flatness of the cloth cover is high, and the problem that uneven height occurs during normal-temperature physical rubberizing or high-temperature rubber vulcanization is solved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a preferred embodiment of a three-stage flume used in a method of producing a monofilament industrial cloth of the present invention for improving the quality stability thereof;
FIG. 2 is a schematic view showing the structure of a dipping tank used in a production method for improving the quality stability of a monofilament industrial cloth according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of a setting machine according to a preferred embodiment of the present invention for improving the quality stability of a monofilament industrial cloth.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
examples
A production method for improving quality stability of monofilament industrial cloth comprises the following steps:
A. selecting materials: selecting polyamide slices as raw materials;
B. high-temperature dissolution: feeding the raw materials into a high-temperature box body, and heating and dissolving to obtain fluid;
C. and (3) spinning: extruding fluid into a spinneret plate through a screw extrusion device, and extruding tows through the spinneret plate, wherein in the embodiment, a honeycomb filter plate is arranged at an inlet of the spinneret plate, a conical cavity is arranged in the spinneret plate, the conical cavity corresponds to a spinneret hole of an annular array on the spinneret plate, the fluid quantity fed into the spinneret hole is consistent, and the uniformity of the tows extruded by the spinneret is ensured to be consistent;
D. and (3) cooling: the tows sprayed out of the spinneret plate are fed into a three-stage water tank for cooling, as shown in figure 1, wherein the water temperature of the first-stage water tank is 25 ℃, the water temperature of the second-stage water tank is 15 ℃, the water temperature of the third-stage water tank is 5 ℃, the first-stage water tank and the second-stage water tank are static water baths, the third-stage water tank is dynamic water baths, so that the tows are gradually converted from liquid to solid, the tension and the contraction force of the tows are ensured to be buffered in the conversion process, and the uniformity and the consistency of the contraction of the tows are ensured;
in the embodiment, the spray pipe is arranged above the three-stage water tank, and the circulating water pump is arranged between the three-stage water tank and the spray pipe for circulating spray, so that the water temperature is reduced;
E. stretching and shaping: heating the cooled filament bundles in a secondary drying room, stretching by 3-5 times, cooling, and winding to obtain polyamide filaments, and improving the fineness stability and the dry heat shrinkage stability of the filaments through processing equipment and process adjustment;
F. twisting: twisting 2 manufactured polyamide filaments on a twisting machine, avoiding unwinding tension, directly twisting, directly forming by using a drawing roller, and changing the strength loss of the polyamide filaments to obtain a twisted yarn;
G. weaving: the ply yarn is led into a loom to be woven in a warp-weft plain weave mode, so that woven cloth can be manufactured, the stress uniformity of the woven cloth can be improved by changing the angles of the roller surface material and the guide cloth of the loom, and the adverse effect on the flatness of the cloth surface can be reduced;
H. dipping: the woven fabric is led into the modified dipping tank through the unwinding device to be dipped, in the embodiment, the glue in the dipping tank is RFL latex, as shown in figure 2, a first press roller, a passive rubber roller and a driving roller are arranged above the dipping tank, the first press roller, the passive rubber roller and the driving roller are sequentially arranged from top to bottom, the woven fabric is sequentially conveyed upwards through the driving roller, the passive rubber roller and the first press roller after being dipped in the dipping tank, the contact between the glue in the dipping tank and the surface of the woven fabric is increased, and the quantity of the glue immersed in the surface of the woven fabric is kept consistent;
the second press roller is arranged on one side of the driving roller, the woven fabric is conveyed upwards through the gap between the driving roller and the second press roller, the second press roller can be pressed towards the driving roller by force to passively rotate, in the embodiment, meshes are densely distributed on the surface of the second press roller, redundant glue on the surface of the woven fabric can be sucked into the meshes, the glue can be smeared on the glue-lacking area on the surface of the subsequent woven fabric, and the glue dipping uniformity of the woven fabric is further improved;
I. drying, finishing and shaping: the impregnated woven cloth is vertically transferred to a drying room above through a press roller, is vertically conveyed in a reciprocating manner and heated and dried in the drying room, so that the bending deformation problem caused by horizontal conveying is avoided, and is then sent to a setting machine for finishing forming, a cooling box body is additionally arranged at the front end of the setting machine, and in the embodiment, the temperature in the cooling box body is 0 ℃, and the temperature can be controlled by installing a refrigerator;
as shown in fig. 3, after drying, a very small amount of softened glue exists on the woven fabric, if the flow can affect the flatness in the shaping process, the glued woven fabric is cooled after drying by a cooling box, the solidification or the fluidity reduction of the undried glue is carried out before shaping, the shaping stability and the uniformity of the distribution of the glue on the woven fabric are ensured, and the monofilament industrial fabric is obtained after finishing and shaping;
in the embodiment, the air blowing openings above and below the woven cloth path are arranged in an array manner in the setting machine, so that vertical air supply of the upper surface and the lower surface of the woven cloth is performed, the heated uniformity of the woven cloth is ensured, and poor flatness of the cloth cover caused by uneven heating is avoided;
J. and (3) coiling: the monofilament industrial cloth is coiled in a uniform-speed attenuation type passive coiling mode, uneven cloth surface caused by inconsistent internal and external tension of the monofilament industrial cloth is avoided, and finally the monofilament industrial cloth is coiled on a finished product packaging tube.
According to the detection standard of nylon gum dipping sub-mouth cloth, in the production process, an inspector detects different cloth rolls, and the data are as follows:
table 1 (New technology after improvement of the invention)
Comparative example:
a production method for improving quality stability of monofilament industrial cloth comprises the following steps:
A. selecting materials: selecting polyamide slices as raw materials;
B. high-temperature dissolution: feeding the raw materials into a high-temperature box body, and heating and dissolving to obtain fluid;
C. and (3) spinning: extruding the fluid into a spinneret plate through a screw extrusion device, and ejecting tows through the spinneret plate;
D. and (3) cooling: feeding the tows ejected from the spinneret plate into a single water tank for cooling;
E. stretching and shaping: heating the cooled filament bundles in a drying room, stretching by 3-5 times, cooling, and winding to obtain polyamide filaments;
F. twisting: twisting 2 prepared polyamide filaments on a common twisting machine to obtain a twisted yarn;
G. weaving: the ply yarn is led into a loom to be woven in a warp-weft plain weave mode to prepare woven cloth;
H. dipping: introducing the woven fabric into a gum dipping tank through an unwinding device for gum dipping treatment;
I. drying, finishing and shaping: the impregnated woven fabric is horizontally transferred to a drying room in front through a compression roller, heated and dried in the drying room, and then sent to a setting machine for finishing and forming, and the traditional setting machine carries out horizontal blowing from the edges of two sides of the woven fabric;
J. and (3) coiling: and (3) rolling the monofilament industrial cloth by an active rolling mode, and finally rolling the monofilament industrial cloth on a finished product packaging tube.
According to the detection standard of nylon gum dipping sub-cloth, an inspector detects different cloth rolls in a comparison example produced by a traditional process in the production process, and the data are as follows:
TABLE 2 (comparative example of conventional art)
As can be seen from Table 2, in the comparative examples of the conventional production method, the equipment and process were not adjusted, and the related indexes were qualified, but the final produced cloth cover was not flat, the gate width slightly fluctuated, and the reaction was in the range of 1.23-2.34 on the related engineering ability index CPK.
As can be seen from Table 1, the equipment is modified, the production process is adjusted, the related indexes are optimized, the cloth cover after the final life is smooth and the breadth is stable, the response is improved in the related engineering capability index CPK, and the quality stability of the manufactured monofilament industrial cloth is high in the range of 1.38-3.61, so that the problem of uneven height during normal-temperature physical rubberizing or high-temperature rubber vulcanization is solved.
In conclusion, the production method for improving the quality stability of the monofilament industrial cloth improves the quality stability of the monofilament industrial cloth through various improvements, and has the advantages of high flatness of the cloth cover and wider application range.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention or by other related art, either directly or indirectly, are intended to be included within the scope of the invention.
Claims (7)
1. The production method for improving the quality stability of the monofilament industrial cloth is characterized by comprising the following steps of:
A. selecting materials: selecting polyamide slices as raw materials;
B. high-temperature dissolution: feeding the raw materials into a high-temperature box body, and heating and dissolving to obtain fluid;
C. and (3) spinning: extruding the fluid into a spinneret plate through a screw extrusion device, and ejecting tows through the spinneret plate;
D. and (3) cooling: feeding the tows ejected from the spinneret plate into a three-stage water tank for cooling, wherein the water temperature of the first-stage water tank is 20-30 ℃, the water temperature of the second-stage water tank is 10-18 ℃, the water temperature of the third-stage water tank is 3-8 ℃, the first-stage water tank and the second-stage water tank are static water baths, and the third-stage water tank is dynamic water baths, so that the tows are gradually converted from liquid to solid, the tension and the contraction force of the tows are ensured to be buffered in the conversion process, and the uniformity and the consistency of the contraction of the tows are ensured;
E. stretching and shaping: heating the cooled filament bundles in a secondary drying room, stretching by 3-5 times, cooling, and winding to obtain polyamide filaments;
F. twisting: twisting 2 manufactured polyamide filaments on a twisting machine, avoiding unwinding tension, directly twisting, directly forming by using a drawing roller, and changing the strength loss of the polyamide filaments to obtain a twisted yarn;
G. weaving: the ply yarn is led into a loom to be woven in a warp-weft plain weave mode to prepare woven cloth;
H. dipping: leading the woven fabric into a modified dipping tank through an unwinding device for dipping treatment, arranging a first press roller, a passive rubber roller and a driving roller above the dipping tank, sequentially arranging the first press roller, the passive rubber roller and the driving roller from top to bottom, arranging a second press roller on one side of the driving roller, increasing the contact between glue in the dipping tank and the surface of the woven fabric, and keeping the amount of the glue immersed into the surface of the woven fabric consistent;
I. drying, finishing and shaping: vertically transferring the impregnated woven fabric to a drying room above through a press roller, vertically conveying in a reciprocating manner and heating and drying in the drying room, then sending the woven fabric into a setting machine for finishing and forming, adding a cooling box body at the front end of the setting machine, cooling the glued woven fabric after drying through the cooling box body, solidifying the undried glue before setting, and ensuring the setting stability and the uniformity of the distribution of the glue on the woven fabric, and finishing and setting to obtain the monofilament industrial fabric;
J. and (3) coiling: the monofilament industrial cloth is coiled in a uniform-speed attenuation type passive coiling mode, uneven cloth surface caused by inconsistent internal and external tension of the monofilament industrial cloth is avoided, and finally the monofilament industrial cloth is coiled on a finished product packaging tube.
2. The method of claim 1, wherein the inlet of the spinneret is provided with a honeycomb filter plate and the spinneret is provided with a conical cavity therein.
3. The production method for improving the quality stability of the monofilament industrial cloth according to claim 1, wherein the temperature in the cooling box body is-10-0 ℃.
4. The production method for improving the quality stability of the monofilament industrial cloth according to claim 1, wherein the air blowing openings above and below the woven cloth path are arranged in an array in the setting machine, and vertical air blowing is performed on the upper surface and the lower surface of the woven cloth, so that the heated uniformity of the woven cloth is ensured.
5. The production method for improving the quality stability of the monofilament industrial cloth according to claim 1, wherein a spray pipe is arranged above the three-stage water tank, and a circulating water pump is arranged between the three-stage water tank and the spray pipe.
6. The method for producing a monofilament industrial cloth according to claim 1, wherein the second press roll has a surface in which meshes are densely arranged.
7. The method for producing a monofilament industrial cloth according to claim 1, wherein the glue in the dipping tank is RFL latex.
Priority Applications (1)
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