CN113201838A - Carbon fiber mesh cloth and processing technology thereof - Google Patents
Carbon fiber mesh cloth and processing technology thereof Download PDFInfo
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- CN113201838A CN113201838A CN202110501205.8A CN202110501205A CN113201838A CN 113201838 A CN113201838 A CN 113201838A CN 202110501205 A CN202110501205 A CN 202110501205A CN 113201838 A CN113201838 A CN 113201838A
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 297
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 297
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 292
- 239000004744 fabric Substances 0.000 title claims abstract description 44
- 238000005516 engineering process Methods 0.000 title claims description 22
- 238000012545 processing Methods 0.000 title claims description 16
- 238000009941 weaving Methods 0.000 claims abstract description 25
- 235000014676 Phragmites communis Nutrition 0.000 claims description 35
- 238000010009 beating Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 25
- 238000007731 hot pressing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000004831 Hot glue Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 239000012943 hotmelt Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- 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
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D9/00—Open-work fabrics
-
- 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
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
-
- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to the technical field of carbon fiber network reinforcement, in particular to a carbon fiber mesh cloth, which comprises: the carbon fiber warp yarns and the carbon fiber weft yarns are perpendicular to each other, and are in a straight state and stacked in a layered manner to form a grid type; the thermal fuse warp yarns are parallel to the carbon fiber warp yarns, and the thermal fuse weft yarns are parallel to the carbon fiber weft yarns; the thermal fuse warp is at least partially bonded with the carbon fiber weft, the thermal fuse weft is at least partially bonded with the carbon fiber warp, and the thermal fuse warp and the thermal fuse weft are mutually interwoven and partially bonded. According to the invention, the bending caused by weaving of the carbon fiber warp yarns and the carbon fiber weft yarns is avoided, so that the carbon fibers are kept in a straight state, the tensile strength is higher, the reinforcing performance is better when the carbon fiber is reinforced, the thermal fuse warp yarns and the thermal fuse weft yarns are interwoven and locally bonded, and the fixing effect on the positions of the carbon fiber warp yarns and the carbon fiber weft yarns is better.
Description
Technical Field
The invention relates to the technical field of carbon fiber network reinforcement, in particular to a carbon fiber mesh cloth and a processing technology thereof.
Background
The traditional reinforcing material mainly comprises reinforced concrete and metal materials, the reinforced concrete reinforcing construction is complex, the occupied space is large, the reinforcing cost per unit area is high, and the reinforcing steel bars are easy to corrode; in addition, the cement sand stone covering layer in some application scenes is not provided with proper reinforcing materials inside, and cracking is easy to occur. The metal material is consolidated and is used gluing steel and outsourcing shaped steel to consolidate and give first place to, pastes the steel sheet at the reinforcement surface through the epoxy adhesive to bear stress jointly with the reinforcement, nevertheless can increase by the reinforcement component dead weight, steel is easy to corrode simultaneously, uses comparatively to limit. With the rise of carbon fiber composite materials, the application of a carbon fiber network reinforcing technology is gradually increased, the carbon fiber network reinforcing technology is a technology of impregnating carbon fiber mesh cloth into corrosion-resistant resin, drying the formed network-shaped whole body through a plurality of coating processes, and spraying polymer mortar in a matched manner, so that the structure is reinforced, and the technology has the advantages of good fire resistance, good peeling resistance, strong durability, obvious reinforcing effect and the like.
In the prior art, when the gaps in the carbon fiber mesh cloth are large, the mesh shape of the carbon fiber mesh cloth is difficult to ensure, and a special weaving process is usually used for weaving carbon fiber warps and wefts so as to fix the carbon fiber warps and wefts into the mesh shape, and sometimes, the carbon fiber meshes are fixed by using a sewing thread or a winding thread in an auxiliary manner. When weaving warp yarns and weft yarns of carbon fibers, the carbon fibers can bend to influence the tensile strength of the warp yarns and the weft yarns, so that the reinforcing strength is influenced when the structural member is reinforced.
In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively researched and innovated in cooperation with the application of theory, so as to create a carbon fiber mesh fabric and a processing technology thereof, and the carbon fiber mesh fabric is more practical.
Disclosure of Invention
The invention provides a carbon fiber mesh cloth and a processing technology thereof, thereby effectively solving the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a carbon fiber mesh fabric comprising:
the carbon fiber warp yarns and the carbon fiber weft yarns are perpendicular to each other, and are in a straight state and stacked in a layered manner to form a grid type;
the thermal fuse warp yarns are parallel to the carbon fiber warp yarns, and the thermal fuse weft yarns are parallel to the carbon fiber weft yarns; the thermal fuse warp is at least partially bonded with the carbon fiber weft, the thermal fuse weft is at least partially bonded with the carbon fiber warp, and the thermal fuse warp and the thermal fuse weft are interwoven and partially bonded.
Further, when the thermal fuse warp and the carbon fiber warp are arranged, the ratio of the number of the thermal fuse warp to the number of the carbon fiber warp is n: 1;
when the thermal fuse weft yarns and the carbon fiber weft yarns are arranged, the ratio of the number of the thermal fuse weft yarns to the number of the carbon fiber weft yarns is n: 1;
and n is an odd number greater than 0.
Furthermore, the thermal fuse warp is attached to one end of the two ends of the carbon fiber warp perpendicular to the length extension direction;
the thermal fuse weft is attached to one end of the two ends of the carbon fiber weft perpendicular to the length extension direction.
Further, the thermal fuse is a glass fiber tow coated with a hot melt adhesive.
The invention also comprises a processing technology of the carbon fiber mesh cloth, which comprises the following steps:
the method comprises the following steps: the carbon fiber warp and the thermal fuse warp are subjected to filament unwinding and reeding and let-off, during reeding, alternate reeding is used, and the ratio of the number of the thermal fuse warp to the number of the carbon fiber warp is n: 1;
step two: using two pages of palm frames to respectively carry out weft insertion and weaving and beating on carbon fiber weft yarns and thermal fuse weft yarns, wherein the ratio of the number of the thermal fuse weft yarns to the number of the carbon fiber weft yarns is n: 1, wherein n is an odd number greater than 0;
during weaving, plain weaving is adopted, the thermal fuse warp yarns and the thermal fuse weft yarns are interwoven, and the carbon fiber warp yarns and the carbon fiber weft yarns are in a straight state and are stacked in a layered mode to form a grid type;
step three: hot pressing by using a heating roller to enable the thermal fuse warp yarns and the thermal fuse weft yarns to be bonded with the carbon fiber warp yarns and the carbon fiber weft yarns by heating;
step four: and rolling the bonded carbon fiber mesh cloth.
Further, in the first step, when the interval reeding is performed, when n is equal to 1, the method includes the following steps:
s100: penetrating a piece of carbon fiber warp and a bundle of the thermal fuse warp into a reed;
s110: spacing the next reed;
s120: performing the loop of steps S100 to S120 for the subsequent reed;
when n is more than 1, the method comprises the following steps:
s200: penetrating a piece of carbon fiber warp and a bundle of the thermal fuse warp into a reed;
s210: spacing the next reed;
s220: two bundles of the thermal fuse warp threads penetrate through the next reed;
s230: the subsequent reed is subjected to the loop of steps S210 to S220, and the loop
Secondly;
s240: the subsequent reed is subjected to the loop of steps S200 to S230.
Further, in the second step, when beating up, a variable weft process is used, and when n is equal to 1, the method includes the following steps:
s300: beating up the carbon fiber weft yarn and stopping and keeping the position;
s310: beating one weft of the thermal fuse and moving for a certain distance;
s320: looping steps S300 to S310;
when n is more than 1, the method comprises the following steps:
s400: beating up the carbon fiber weft yarn and stopping and keeping the position;
s410: beating one weft of the thermal fuse and moving for a certain distance;
s420: beating up the thermal fuse weft and stopping to keep the position;
s430: beating one weft of the thermal fuse and moving for a certain distance;
s440: loop through steps S420 to S430 and loop
Secondly;
s450: steps S400 to S440 are looped.
Further, in the first step, when the carbon fiber warp yarns and the thermal fuse warp yarns are let-off, the carbon fiber warp yarns and the thermal fuse warp yarns are let-off in a layered manner, the tension of the carbon fiber warp yarns and the tension of the thermal fuse warp yarns are respectively controlled, and the carbon fiber warp yarns and the thermal fuse warp yarns are kept in a straight extension state.
Further, the distance traveled during beating-up is the width of the reed.
The invention has the beneficial effects that: according to the invention, the carbon fiber warp and the carbon fiber weft are arranged, the thermal fuse warp and the thermal fuse weft are arranged, the carbon fiber warp and the carbon fiber weft are in a straight state and are stacked in a grid mode in a layering mode, the thermal fuse is bonded with the carbon fibers through the thermal fuse warp and the thermal fuse weft, the carbon fiber warp and the carbon fiber weft are fixed and kept in a grid shape, and the carbon fibers are kept in a straight state due to the fact that bending caused by weaving of the carbon fiber warp and the carbon fiber weft is avoided, the tensile strength is higher, the reinforcing performance is better when reinforcing is carried out, the thermal fuse warp and the thermal fuse weft are mutually interwoven and are locally bonded, and the fixing effect on the positions of the carbon fiber warp and the carbon fiber weft is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic view of a bonded braid;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
FIG. 6 is a schematic view of reeding in example 1;
FIG. 7 is a schematic view of beating-up in embodiment 1;
FIG. 8 is a schematic view of hot press bonding in example 1.
Fig. 9 is a schematic view of reeding in embodiment 2;
FIG. 10 is a schematic view of beating-up in embodiment 2;
fig. 11 is a schematic view of reeding in example 3;
FIG. 12 is a schematic view of beating-up in embodiment 3.
Reference numerals: 1. carbon fiber warp yarns; 2. carbon fiber weft yarns; 3. thermal fuse warp threads; 4. and fusing the weft yarns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 to 8: a carbon fiber mesh fabric comprising:
the carbon fiber warp yarns 1 and the carbon fiber weft yarns 2 are perpendicular to each other, and the carbon fiber warp yarns 1 and the carbon fiber weft yarns 2 are in a straight state and are stacked in a layered manner to form a grid type;
the thermal fuse warp 3 and the thermal fuse weft 4 are arranged, the thermal fuse warp 3 is parallel to the carbon fiber warp 1, and the thermal fuse weft 4 is parallel to the carbon fiber weft 2; the thermal fuse warp 3 is at least partially bonded with the carbon fiber weft 2, the thermal fuse weft 4 is at least partially bonded with the carbon fiber warp 1, and the thermal fuse warp 3 and the thermal fuse weft 4 are interwoven and partially bonded with each other.
Through setting up carbon fiber warp 1 and carbon fiber woof 2, thermal fuse warp 3 and thermal fuse woof 4, carbon fiber warp 1 and carbon fiber woof 2 pile up into the latticed for straight state and layering, through thermal fuse warp 3 and thermal fuse woof 4, the thermal fuse bonds with the carbon fiber, fix carbon fiber warp 1 and carbon fiber woof 2, keep it to be latticed, owing to avoided the crooked that arouses to weaving of carbon fiber warp 1 and carbon fiber woof 2, make the carbon fiber keep straight state, tensile strength is higher, reinforcement performance is better when consolidating, and interweave and local bonding between thermal fuse warp 3 and the woof, it is better to carbon fiber warp 1 and carbon fiber woof 2 position fixing effect.
In the present embodiment, when the thermal fuse warp 3 and the carbon fiber warp 1 are arranged, the ratio of the number of the thermal fuse warp 3 to the number of the carbon fiber warp 1 is 1: 1;
when the thermal fuse weft yarns 4 and the carbon fiber weft yarns 2 are arranged, the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 1: 1.
when the carbon fiber mesh fabric is woven, the carbon fiber warp 1 and the carbon fiber weft 2 are required to be not interwoven and to be kept in a straight state, the carbon fiber weft 2 and the thermal fuse weft 4 are required to be in a ratio of 1:1 through plain weaving, when the carbon fiber weft 2 and the thermal fuse weft 4 are in an alternating state, so that when beating up, the carbon fiber warp 1 penetrates into one carbon fiber weft 2 when being at the upper end, the carbon fiber warp 1 penetrates into one thermal fuse weft 4 when being at the lower end, the carbon fiber warp 1 penetrates into one carbon fiber weft 2 when being at the upper end again, the carbon fiber weft 2 is kept at one end of the carbon fiber warp 1, the carbon fiber weft 2 and the carbon fiber warp 1 are in a straight state without interweaving, the tensile strength is higher, the reinforcement performance is better when reinforcement is carried out, the carbon fiber warp 1 and the thermal fuse warp 3 are required to be 1:1, thereby guaranteed the symmetry of carbon fiber net cloth for the net size in the middle of the carbon fiber is fixed and is the square.
In this embodiment, the thermal fuse warp 3 is attached to one of two ends of the carbon fiber warp 1 perpendicular to the length extending direction.
Through laminating thermal fuse warp 3 and one of them one end at 1 perpendicular to length extending direction both ends of carbon fiber warp to when hot pressing, thermal fuse warp 3 can be with 1 marginal bonding of carbon fiber warp, makes whole thermal fuse warp 3 bonding on carbon fiber warp 1, increases area of contact for the fabric is more firm, convenient to use.
The thermal fuse weft 4 is jointed with one end of the two ends of the carbon fiber weft 2 perpendicular to the length extension direction.
Through the one of them one end laminating with thermal fuse weft 4 and carbon fiber woof 2 perpendicular to length extending direction both ends to when hot pressing, thermal fuse weft 4 can with the 2 marginal bonding of carbon fiber woof, make whole root thermal fuse weft 4 bonding on carbon fiber woof 2, increase area of contact makes the fabric more firm, convenient to use.
Preferably, the thermal fuse is a glass fiber tow coated with a hot melt adhesive.
Through setting up the hot melt silk into the fine tow of glass of cladding with the hot melt adhesive to the hot melt silk is after with carbon fiber hot pressing, and the hot melt adhesive is heated and is melted, makes carbon fiber and hot melt silk bond, and simultaneously, fine tow of glass has guaranteed the state of interweaving between hot melt silk warp 3 and the hot melt silk weft 4, thereby has guaranteed the fixed of grid shape, makes things convenient for subsequent use.
The invention also comprises a processing technology of the carbon fiber mesh cloth, which comprises the following steps:
the method comprises the following steps: the carbon fiber warp 1 and the thermal fuse warp 3 are subjected to filament unwinding and reeding warp let-off, when reeding, interval reeding is used, and the ratio of the number of the thermal fuse warp 3 to the number of the carbon fiber warp 1 is 1: 1;
step two: and (3) respectively carrying out weft insertion and weaving and beating on the carbon fiber weft yarns 2 and the thermal fuse weft yarns 4 by using two pages of palm frames, wherein the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 1: 1;
during weaving, plain weaving is adopted, the thermal fuse warp 3 and the thermal fuse weft 4 are mutually interwoven, and the carbon fiber warp 1 and the carbon fiber weft 2 are in a straight state and are stacked in a layered mode to form a grid type;
step three: hot pressing is carried out by using a heating roller, so that the thermal fuse warp 3 and the thermal fuse weft 4 are thermally bonded with the carbon fiber warp 1 and the carbon fiber weft 2;
step four: and rolling the bonded carbon fiber mesh cloth.
When the carbon fiber mesh fabric is woven, the carbon fiber warp 1 and the carbon fiber weft 2 are required to be not interwoven and to be kept in a straight state, the carbon fiber weft 2 and the thermal fuse weft 4 are required to be in a ratio of 1:1 through plain weaving, when the carbon fiber weft 2 and the thermal fuse weft 4 are in an alternating state, so that when beating up, the carbon fiber warp 1 penetrates into one carbon fiber weft 2 when being at the upper end, the carbon fiber warp 1 penetrates into one thermal fuse weft 4 when being at the lower end, the carbon fiber warp 1 penetrates into one carbon fiber weft 2 when being at the upper end again, the carbon fiber weft 2 is kept at one end of the carbon fiber warp 1, the carbon fiber weft 2 and the carbon fiber warp 1 are in a straight state without interweaving, the tensile strength is higher, the reinforcement performance is better when reinforcement is carried out, the carbon fiber warp 1 and the thermal fuse warp 3 are required to be 1:1, thereby guaranteed the symmetry of carbon fiber net cloth for the net size in the middle of the carbon fiber is fixed and is the square.
As a preference of the above embodiment, in the first step, when the interval reeding is performed, when n is 1, the method includes the following steps:
s100: a piece of carbon fiber warp yarn 1 and a bundle of thermal fuse warp yarn 3 are threaded in a reed;
s110: spacing the next reed;
s120: the subsequent reed is subjected to the loop of steps S100 to S120.
Through wearing a slice carbon fiber warp 1 and a bundle of thermal fuse warp 3 in a reed, thereby guaranteed carbon fiber warp 1 and thermal fuse warp 3 and laminated each other, thereby when hot pressing, thermal fuse warp 3 can bond with carbon fiber warp 1 side, fixed effect has been increased, through carrying out the interval reeding, make the distance that has a reed between the carbon fiber warp, through the reed of chooseing for use different specifications and the carbon fiber of different grade type, can control the net size, thereby weave out the different net size's of different kinds carbon fiber net cloth.
As a preference of the above embodiment, in the second step, when beating up is performed, a variable weft process is used, and when n is 1, the method includes the following steps:
s300: beating up a weft of carbon fiber weft 2 and stopping and keeping the position;
s310: beating a weft thermal fuse weft 4 and moving for a certain distance;
s320: and looping steps S300 to S310.
Through using the weft changing process, after one weft carbon fiber weft yarn 2 is beaten, the position is kept in a pause mode, the other weft thermal fuse weft yarn 4 is beaten, and then a distance is walked, so that the carbon fiber weft yarn 2 and the thermal fuse weft yarn 4 are attached to each other, and when hot pressing is carried out, the thermal fuse weft yarn 4 can be bonded with the side edge of the carbon fiber weft yarn 2, and the fixing effect is improved.
Preferably, in the first step of the above embodiment, when the carbon fiber warp 1 and the thermal fuse warp 3 are let in, the carbon fiber warp 1 and the thermal fuse warp 3 are let in layers, and the tension of the carbon fiber warp 1 and the tension of the thermal fuse warp 3 are controlled to keep the carbon fiber warp 1 and the thermal fuse warp 3 in a straight and elongated state.
Because the tension required by the straight extension states of the carbon fiber warp 1 and the thermal fuse warp 3 is different, in order to ensure that the carbon fiber warp 1 and the thermal fuse warp 3 are both extended straight and maintain the optimal tensile strength, the carbon fiber warp 1 and the thermal fuse warp 3 are subjected to layered warp let-off, the tension of the carbon fiber warp 1 and the tension of the thermal fuse warp 3 are respectively controlled, and the structural strength of the carbon fiber mesh cloth is increased.
As a preference of the above embodiment, a distance taken at the time of beating-up is a width of the reed.
The distance of the weft is set to be the width of the reed, so that the square grids in the carbon fiber grid cloth are guaranteed, and the symmetry and the attractiveness of the grid cloth are guaranteed.
Example 2:
as shown in fig. 9 to 10, in contrast to example 1, when the thermal fuse warp 3 and the carbon fiber warp 1 are arranged, the ratio of the number of the thermal fuse warp 3 to the number of the carbon fiber warp 1 pieces is 3: 1; when the thermal fuse weft yarns 4 and the carbon fiber weft yarns 2 are arranged, the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 3: 1.
in the processing technology of the carbon fiber mesh cloth, the method comprises the following steps:
the method comprises the following steps: the carbon fiber warp 1 and the thermal fuse warp 3 are subjected to filament unwinding and reeding warp let-off, when reeding, interval reeding is used, and the ratio of the number of the thermal fuse warp 3 to the number of the carbon fiber warp 1 is 3: 1;
step two: and (3) respectively carrying out weft insertion and weaving and beating on the carbon fiber weft yarns 2 and the thermal fuse weft yarns 4 by using two pages of palm frames, wherein the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 3: 1;
during weaving, plain weaving is adopted, the thermal fuse warp 3 and the thermal fuse weft 4 are mutually interwoven, and the carbon fiber warp 1 and the carbon fiber weft 2 are in a straight state and are stacked in a layered mode to form a grid type;
step three: hot pressing is carried out by using a heating roller, so that the thermal fuse warp 3 and the thermal fuse weft 4 are thermally bonded with the carbon fiber warp 1 and the carbon fiber weft 2;
step four: and rolling the bonded carbon fiber mesh cloth.
In the first step, when interval reeding is carried out, the method comprises the following steps:
s200: a piece of carbon fiber warp yarn 1 and a bundle of thermal fuse warp yarn 3 are threaded in a reed;
s210: spacing the next reed;
s220: two bundles of hot melt warp 3 are threaded in the next reed;
s240: the subsequent reed is subjected to the loop of steps S200 to S220.
In the second step, when beating-up is carried out, a weft changing process is used, and the method comprises the following steps:
s400: beating up a weft of carbon fiber weft 2 and stopping and keeping the position;
s410: beating a weft thermal fuse weft 4 and moving for a certain distance;
s420: beating up a weft thermal fuse weft 4 and stopping to keep the position;
s430: beating a weft thermal fuse weft 4 and moving for a certain distance;
s450: and looping steps S400 to S430.
When the carbon fiber mesh fabric is woven, the carbon fiber warp 1 and the carbon fiber weft 2 are required to be not interwoven and to be kept in a straight state, the carbon fiber warp 1 and the carbon fiber weft 2 are required to be woven in a plain weave, the ratio of the number of the thermal fuse weft 4 to the number of the carbon fiber weft 2 is 3:1, when the carbon fiber weft is woven in the plain weave, the ratio of the number of the thermal fuse weft 4 to the number of the carbon fiber weft 2 is 3:1, so that when the carbon fiber warp 1 is positioned at the upper end, the carbon fiber weft 2 penetrates, when the carbon fiber warp 1 is positioned at the lower end, the thermal fuse weft 4 penetrates, when the carbon fiber warp 1 is positioned at the upper end, the carbon fiber weft 2 penetrates, so that the carbon fiber weft 2 is kept at one end of the carbon fiber warp 1, and the carbon fiber weft 2 and the carbon fiber warp 1 are required to be in a straight state without interweaving, the tensile strength is higher, the reinforcing performance is better when reinforcement is carried out, the ratio of the thermal fuse warp 3 to the carbon fiber warp 1 is 3:1, so that the symmetry of the carbon fiber mesh cloth is ensured, the size of the mesh in the middle of the carbon fiber is fixed and is square, and the interlaced thermal fuse is arranged in the middle of the mesh.
Example 3:
as shown in fig. 11 to 12, in contrast to example 1, when the thermal fuse warp 3 and the carbon fiber warp 1 were arranged, the ratio of the number of thermal fuse warp 3 to the number of carbon fiber warp 1 pieces was 5: 1; when the thermal fuse weft yarns 4 and the carbon fiber weft yarns 2 are arranged, the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 5: 1.
in the processing technology of the carbon fiber mesh cloth, the method comprises the following steps:
the method comprises the following steps: the carbon fiber warp 1 and the thermal fuse warp 3 are subjected to filament unwinding and reeding warp let-off, when reeding, interval reeding is used, and the ratio of the number of the thermal fuse warp 3 to the number of the carbon fiber warp 1 is 5: 1;
step two: and (3) respectively carrying out weft insertion and weaving and beating on the carbon fiber weft yarns 2 and the thermal fuse weft yarns 4 by using two pages of palm frames, wherein the ratio of the number of the thermal fuse weft yarns 4 to the number of the carbon fiber weft yarns 2 is 5: 1;
during weaving, plain weaving is adopted, the thermal fuse warp 3 and the thermal fuse weft 4 are mutually interwoven, and the carbon fiber warp 1 and the carbon fiber weft 2 are in a straight state and are stacked in a layered mode to form a grid type;
step three: hot pressing is carried out by using a heating roller, so that the thermal fuse warp 3 and the thermal fuse weft 4 are thermally bonded with the carbon fiber warp 1 and the carbon fiber weft 2;
step four: and rolling the bonded carbon fiber mesh cloth.
In the first step, when interval reeding is carried out, the method comprises the following steps:
s200: a piece of carbon fiber warp yarn 1 and a bundle of thermal fuse warp yarn 3 are threaded in a reed;
s210: spacing the next reed;
s220: two bundles of hot melt warp 3 are threaded in the next reed;
s230: performing the circulation from the step S210 to the step S220 on the subsequent reed, and circulating for 1 time;
s240: the subsequent reed is subjected to the loop of steps S200 to S230.
In the second step, when beating-up is carried out, a weft changing process is used, and the method comprises the following steps:
s400: beating up a weft of carbon fiber weft 2 and stopping and keeping the position;
s410: beating a weft thermal fuse weft 4 and moving for a certain distance;
s420: beating up a weft thermal fuse weft 4 and stopping to keep the position;
s430: beating a weft thermal fuse weft 4 and moving for a certain distance;
s440: looping steps S420 to S430, and looping 1 time;
s450: steps S400 to S440 are looped.
When the carbon fiber mesh fabric is woven, the carbon fiber warp 1 and the carbon fiber weft 2 are required to be not interwoven, the straight state of the carbon fiber warp 1 and the carbon fiber weft 2 is kept, plain weaving is carried out, the ratio of the number of the hot melt weft 4 to the number of the carbon fiber weft 2 is 5:1, when the plain weaving is carried out, the ratio of the number of the hot melt weft 4 to the number of the carbon fiber weft 2 is 5:1, so that when beating-up is carried out, the carbon fiber warp 1 penetrates into one carbon fiber weft 2 when being positioned at the upper end, and the carbon fiber warp 1 penetrates into one hot melt weft 4 when being positioned at the lower end; when the carbon fiber warp 1 is positioned at the upper end, the carbon fiber warp penetrates into a hot melt weft 4, and when the carbon fiber warp 1 is positioned at the lower end, the carbon fiber warp penetrates into the hot melt weft 4; when the carbon fiber warp 1 is positioned at the upper end, the carbon fiber warp penetrates into a hot melt weft 4, and when the carbon fiber warp 1 is positioned at the lower end, the carbon fiber warp penetrates into the hot melt weft 4; when the carbon fiber warp 1 is positioned at the upper end, the carbon fiber weft 2 penetrates into the carbon fiber warp 1 again, so that the carbon fiber weft 2 is kept at one end of the carbon fiber warp 1, the carbon fiber weft 2 and the carbon fiber warp 1 are in a non-interwoven straight state, the tensile strength is higher, the reinforcing performance is better when reinforcement is carried out, the ratio of the thermal fuse warp 3 to the carbon fiber warp 1 is 5:1, the symmetry of the carbon fiber mesh cloth is ensured, the size of a grid in the middle of the carbon fiber is fixed and is square, and the thermal fuse in the middle of the grid is interwoven.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A carbon fiber mesh fabric, comprising:
the carbon fiber warp yarn (1) and the carbon fiber weft yarn (2) are perpendicular to each other, and the carbon fiber warp yarn (1) and the carbon fiber weft yarn (2) are in a flat state and are stacked in layers to form a grid type;
the thermal fuse warp yarns (3) and the thermal fuse weft yarns (4), the thermal fuse warp yarns (3) are parallel to the carbon fiber warp yarns (1), and the thermal fuse weft yarns (4) are parallel to the carbon fiber weft yarns (2); the thermal fuse warp (3) is at least partially bonded with the carbon fiber weft (2), the thermal fuse weft (4) is at least partially bonded with the carbon fiber warp (1), and the thermal fuse warp (3) and the thermal fuse weft (4) are interwoven and partially bonded.
2. The carbon fiber mesh fabric according to claim 1, wherein when the thermal fuse warp (3) and the carbon fiber warp (1) are arranged, a ratio of the number of the thermal fuse warp (3) to the number of the carbon fiber warp (1) is n: 1;
when the thermal fuse weft (4) and the carbon fiber weft (2) are arranged, the ratio of the number of the thermal fuse weft (4) to the number of the carbon fiber weft (2) is n: 1;
and n is an odd number greater than 0.
3. The carbon fiber mesh fabric according to claim 2, wherein the thermal fuse warp (3) is attached to one of two ends of the carbon fiber warp (1) perpendicular to the length extension direction;
the thermal fuse weft (4) is attached to one end of the two ends of the carbon fiber weft (2) perpendicular to the length extension direction.
4. The carbon fiber mesh fabric according to any one of claims 1 to 3, wherein the thermal fuse is a glass fiber tow coated with a hot melt adhesive.
5. A processing technology of carbon fiber mesh cloth comprises the following steps:
the method comprises the following steps: the carbon fiber warp (1) and the thermal fuse warp (3) are subjected to filament unwinding and reeding and let-off, interval reeding is used during reeding, and the ratio of the number of the thermal fuse warp (3) to the number of the carbon fiber warp (1) is n: 1;
step two: using two pages of palm frames to respectively carry out weft insertion and weaving beating on the carbon fiber weft (2) and the thermal fuse weft (4), wherein the ratio of the number of the thermal fuse weft (4) to the number of the carbon fiber weft (2) is n: 1, wherein n is an odd number greater than 0;
during weaving, plain weaving is adopted, the thermal fuse warp (3) and the thermal fuse weft (4) are interwoven with each other, and the carbon fiber warp (1) and the carbon fiber weft (2) are in a straight state and are stacked in a layered mode to form a grid type;
step three: hot pressing is carried out by using a heating roller, so that the thermal fuse warp (3) and the thermal fuse weft (4) are bonded with the carbon fiber warp (1) and the carbon fiber weft (2) by heating;
step four: and rolling the bonded carbon fiber mesh cloth.
6. The processing technology of the carbon fiber mesh cloth according to claim 5, wherein in the first step, when the interval reeding is performed, when n is 1, the processing technology comprises the following steps:
s100: penetrating a piece of carbon fiber warp (1) and a bundle of thermal fuse warp (3) in a reed;
s110: spacing the next reed;
s120: performing the loop of steps S100 to S120 for the subsequent reed;
when n is more than 1, the method comprises the following steps:
s200: penetrating a piece of carbon fiber warp (1) and a bundle of thermal fuse warp (3) in a reed;
s210: spacing the next reed;
s220: two bundles of the thermal fuse warp (3) are threaded in the next reed;
s230: the subsequent reed is subjected to the loop of steps S210 to S220, and the loop
Secondly;
s240: the subsequent reed is subjected to the loop of steps S200 to S230.
7. The processing technology of the carbon fiber mesh fabric according to claim 5, wherein in the second step, a weft changing technology is used when beating up, and when n is 1, the processing technology comprises the following steps:
s300: beating up the carbon fiber weft (2) and stopping and keeping the position;
s310: beating up the thermal fuse weft (4) and moving for a certain distance;
s320: looping steps S300 to S310;
when n is more than 1, the method comprises the following steps:
s400: beating up the carbon fiber weft (2) and stopping and keeping the position;
s410: beating up the thermal fuse weft (4) and moving for a certain distance;
s420: beating up one of said thermal fuse weft threads (4) and stopping to maintain this position;
s430: beating up the thermal fuse weft (4) and moving for a certain distance;
s440: loop through steps S420 to S430 and loop
Secondly;
s450: steps S400 to S440 are looped.
8. The processing technology of the carbon fiber mesh cloth according to any one of claims 5 to 7, wherein in the first step, when the carbon fiber warp (1) and the thermal fuse warp (3) are let off, the carbon fiber warp (1) and the thermal fuse warp (3) are let off in layers, and the tension of the carbon fiber warp (1) and the thermal fuse warp (3) is controlled respectively, so that the carbon fiber warp (1) and the thermal fuse warp (3) are kept in a straight elongation state.
9. The processing technology of the carbon fiber mesh fabric according to claim 7, wherein the distance is the width of the reed during beating up.
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Application publication date: 20210803 |