CN112976602B - Production process and production equipment of carbon fiber mesh cloth - Google Patents
Production process and production equipment of carbon fiber mesh cloth Download PDFInfo
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- CN112976602B CN112976602B CN202110190413.0A CN202110190413A CN112976602B CN 112976602 B CN112976602 B CN 112976602B CN 202110190413 A CN202110190413 A CN 202110190413A CN 112976602 B CN112976602 B CN 112976602B
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 194
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 194
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 239000004744 fabric Substances 0.000 title claims abstract description 173
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000007598 dipping method Methods 0.000 claims abstract description 47
- 238000009941 weaving Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 71
- 238000005470 impregnation Methods 0.000 claims description 65
- 239000003292 glue Substances 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000004831 Hot glue Substances 0.000 claims description 14
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 244000273256 Phragmites communis Species 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 238000009940 knitting Methods 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- 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
-
- 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
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a production process and production equipment of carbon fiber mesh cloth, wherein the process steps comprise weaving treatment, gum dipping treatment, rolling treatment, curing treatment and demolding treatment, flow line production is realized through multiple processes of weaving, gum dipping, gum extruding, merging, rolling, cooling, demolding and the like, a gum dipping mode is optimized, so that the carbon fiber mesh cloth is fully gum dipped, a gum dipping device is used for simultaneously laminating and rolling a carbon fiber mesh and the demolding cloth, surface textures of the carbon fiber mesh can be improved after demolding, the interlaminar shear strength of the carbon fiber mesh and mortar is improved, meanwhile, the gum dipping device is used for adjusting the tension of the carbon fiber mesh in real time, and the problem of bulging of the carbon fiber mesh is avoided.
Description
Technical Field
The invention relates to the technical field of carbon fiber mesh cloth, in particular to a production process and production equipment of carbon fiber mesh cloth.
Background
As an engineering wide-range grid fabric, the carbon fiber grid cloth has good performance, can bear horizontal and longitudinal loads, has good anchoring effect and small occupied space, is suitable for different building structures, and has larger difficulty in controlling the process stability of the carbon fiber grid. Because the surface inertia of the carbon fiber mesh cloth is large, the slippage failure between interface layers is easy to generate in the material compounding process, the existing production process of the carbon fiber mesh does not provide a solution for the production process for enhancing the bonding strength of the interface, in addition, the existing production equipment of the fiber mesh pursues the production efficiency at one time, but often neglects the product quality of the fiber mesh, and the common product appearance problems comprise: the carbon fiber mesh cloth is not fully impregnated, the quality of a finished product is poor, the mesh weft is not straight, and the warp is separated.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a production process of a carbon fiber mesh fabric, comprising the following steps in sequence:
1) And (3) knitting treatment: calculating the total number of yarns required by the carbon fiber mesh cloth according to the width and mesh distribution of the prepared carbon fiber mesh grey cloth, and orderly weaving the prepared weft yarns and warp yarns into the carbon fiber mesh cloth;
2) Gum dipping treatment: placing the woven carbon fiber gridding cloth on a raw material roller, enabling one end of the carbon fiber gridding cloth to pass through the lower part of a first impregnation roller on a impregnation tank, pass through a gap between the first impregnation roller and a second impregnation roller, pass through a gap between a second impregnation roller and a third impregnation roller after passing through the upper part of the second impregnation roller, pass through the lower part of the third impregnation roller to ensure that the carbon fiber gridding cloth is fully impregnated, extruding the carbon fiber gridding cloth after impregnation, enabling the carbon fiber gridding cloth to pass through a gap between two extrusion rollers, enabling the extrusion rollers close to the third impregnation roller to rotate anticlockwise, enabling the extrusion rollers far away from the third impregnation roller to rotate clockwise, and extruding redundant glue solution on the surface of the carbon fiber gridding cloth;
3) And (3) winding treatment: the carbon fiber mesh cloth penetrating out of the position between the two squeezing rollers passes through the upper part of a first supporting roller and then passes through the lower part of a second supporting roller, and the pulling direction of the carbon fiber mesh cloth in the pulling process is changed; the carbon fiber gridding cloth which passes through the lower part of the second supporting roller bypasses the lower part of the first film combining roller, passes through the upper part of the second film combining roller, is combined with a special film arranged on the first film combining roller above the second film combining roller, the combined carbon fiber gridding cloth and the special film are jointly drawn to the first winding roller, bypasses the lower part of the first winding roller, passes through the upper part of the second winding roller, so that the carbon fiber gridding cloth and the special film are fully and smoothly combined together, and then the winding work is completed on the third winding roller;
4) Curing treatment: laying a layer of isolating membrane at the winding end part of the carbon fiber mesh cloth after being wound down, then placing the isolating membrane in curing equipment for curing the carbon fiber mesh composite material, and performing demoulding treatment after curing is finished;
5) Demolding treatment: placing the carbon fiber mesh cloth to be demoulded on a demoulding raw material roller in a temperature control box at the temperature of 50-60 ℃, enabling the end part of the carbon fiber mesh cloth to penetrate out of the bottom outer side of the temperature control box through a strip-shaped through hole at the bottom of the temperature control box, bypassing the lower part of a first traction roller positioned right below the temperature control box, bypassing the lower part of a third traction roller on a demoulding support through the upper part of a second traction roller, passing through a gap between the third traction roller and a fourth traction roller, bypassing the lower part of a third supporting roller through the upper part of the fourth traction roller, taking down an isolation film at one end of the carbon fiber mesh cloth to be demoulded, bypassing the separated demoulded cloth below the demoulded winding roller, bypassing the separated carbon fiber mesh cloth above a finished product winding roller, and simultaneously completing the winding work of the demoulded cloth and the carbon fiber mesh cloth.
Preferably, the warp yarn comprises a hot melt adhesive thread and a carbon fiber yarn, and the hot melt adhesive thread is positioned above the carbon fiber yarn.
Preferably, the tail part of the rolled carbon fiber mesh cloth and the head part of the second roll of carbon fiber mesh cloth are respectively pasted on two sides by adhesive tapes in a range of 10-15 cm.
Preferably, the length of the isolation film laid at the end part of the carbon fiber mesh cloth is 50-80 cm.
According to the purpose of the invention, the invention also provides production equipment of the carbon fiber mesh cloth, which comprises weaving equipment, gum dipping equipment, winding equipment, curing equipment and demoulding equipment; wherein,
the weaving equipment comprises a metal frame and a weaving table, wherein three sizing reeds are arranged between the metal frame and the weaving table;
the impregnation equipment is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the weaving equipment;
the winding device is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the gum dipping device;
the curing equipment is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the winding equipment and is used for curing the carbon fiber gridding cloth subjected to winding to obtain a carbon fiber gridding composite material;
the demolding equipment is arranged on one side, close to the carbon fiber mesh cloth, of the curing equipment in the transmission direction.
Preferably, the first warping reed is provided with a support which is arranged oppositely along the transmission direction of the warps, three warping reeds are fixedly provided with a heating roller for hot melt adhesive on the surface of the hot melt adhesive line on one side close to the transmission direction of the carbon fiber gridding cloth, the axis of the heating roller is perpendicular to the transmission direction of the warps, one end of the heating roller is provided with a fifth driving device for driving the heating roller to rotate, the heating roller is provided with a curling roller along the transmission direction of the warps, and one end of the curling roller is provided with a sixth driving device for driving the curling roller to rotate.
Preferably, the impregnation device comprises a raw material roller, a impregnation tank is arranged on the raw material roller along the transmission direction of the carbon fiber gridding cloth, glue solution is arranged in the impregnation tank, a first impregnation roller is arranged above the impregnation tank, the axis of the first impregnation roller is perpendicular to the transmission direction of the carbon fiber gridding cloth, a first driving device for driving the first impregnation roller to rotate anticlockwise is arranged at one end of the first impregnation roller, a second impregnation roller and a third impregnation roller are sequentially arranged on the first impregnation roller along the transmission direction of the carbon fiber gridding cloth in parallel, a second driving device for driving the second impregnation roller to rotate clockwise and a third driving device for driving the third impregnation roller to rotate anticlockwise are respectively arranged at one ends of the second impregnation roller and the third impregnation roller, two glue squeezing rollers arranged in parallel in the horizontal direction are arranged above the third impregnation roller, the axis direction of the glue squeezing rollers is perpendicular to the transmission direction of the carbon fiber gridding cloth, and a fourth driving device for driving the glue squeezing rollers to rotate is arranged at one end of the glue squeezing rollers.
Preferably, the rolling equipment including parallel arrangement in the first backup roll of the top of rubber extruding roller, the one end of first backup roll is provided with its pivoted seventh drive equipment of drive, first backup roll is followed the transmission direction of carbon fiber net cloth is parallel to be provided with the second backup roll, the one end of second backup roll is provided with its pivoted eighth drive equipment of drive, the second backup roll is followed parallel has set gradually on the transmission direction of carbon fiber net cloth first to close membrane roller and second and closes the membrane roller, first one end of closing membrane roller and second and closing the membrane roller is provided with its pivoted ninth drive equipment of drive and tenth drive equipment respectively, the second closes the membrane roller and follows set gradually first wind-up roll, second wind-up roll and third wind-up roll on the transmission direction of carbon fiber net cloth, the one end of first wind-up roll, second wind-up roll and third wind-up roll is provided with its pivoted driving motor of drive respectively.
Preferably, the demolding device comprises a temperature control mechanism and a demolding mechanism; wherein,
the temperature control mechanism is arranged on one side of the curing equipment along the transmission direction of the carbon fiber gridding cloth and comprises a temperature control support, a temperature control box is fixedly arranged on the top surface of one side of the temperature control support, which is close to the curing equipment, a demoulding raw material roller is fixedly arranged in the horizontal direction in the temperature control box, a strip-shaped through hole for the carbon fiber gridding cloth to penetrate out of the bottom of the temperature control box is formed in the bottom of the temperature control box, a first traction roller is fixedly arranged on the temperature control support, which is positioned right below the strip-shaped through hole, and a second traction roller is fixedly arranged on one side of the temperature control box, which is far away from the curing equipment;
demoulding mechanism set up in temperature control mechanism keeps away from one side of curing equipment, including the drawing of patterns support, be close to on the drawing of patterns support the parallel fixed third carry over pinch rolls and the fourth carry over pinch rolls of being provided with of top surface of one side of temperature control mechanism, lie in on the drawing of patterns support the fourth carry over pinch rolls is kept away from the fixed third backing roll that is provided with in one side of temperature control mechanism, lie in on the drawing of patterns support the third backing roll is kept away from the top of one side of fourth carry over pinch rolls is fixed and is provided with the finished product wind-up roll, lie in on the drawing of patterns support the fixed drawing of patterns wind-up roll that is provided with in below of finished product wind-up roll.
Compared with the prior art, the invention has the beneficial effects that:
(1) The impregnation equipment adopts an upper impregnation type impregnation mode, the carbon fiber mesh cloth is fully impregnated and the effective control of the gel content of the mesh is realized, the carbon fiber mesh and the demolding cloth are simultaneously laminated and wound by the impregnation equipment, the surface texture of the carbon fiber mesh can be improved after demolding, the interlaminar shear strength between the carbon fiber mesh and mortar during application is improved, meanwhile, the impregnation equipment adjusts the tension of the carbon fiber mesh in real time, and the problems of bulging of the carbon fiber mesh and non-straight weft of the carbon fiber mesh are avoided;
(2) In the demolding process, the end part of the carbon fiber mesh cloth is paved with an isolating film convenient for demolding, so that the demolding cloth at the end part and the carbon fiber mesh cloth can be quickly separated and respectively fixed; because the carbon fiber mesh cloth after curing has higher temperature, and the temperature of the carbon fiber mesh cloth which goes to the inner side of the roll is higher and higher, the temperature control mechanism is arranged to control the temperature of the carbon fiber mesh cloth to be demoulded within the range of 50-60 ℃, so that the demoulding effect is improved; the effective cooperation of the temperature control mechanism in the demolding equipment and the isolating film obviously improves the production efficiency and the yield of products.
(3) By optimizing the weaving process of the carbon fiber mesh cloth, setting three sizing reeds and uniformly layering and threading, warp-wise yarns in the weaving process are uniformly stressed, and local positions are prevented from being too loose and too tight; after weaving in weaving equipment is finished, the carbon fiber mesh cloth is firmly bonded with warps and wefts by using a heating roller, and the problem of warp separation of the carbon fiber mesh is effectively solved by bonding of hot melt adhesive wires;
it should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a flow chart of a production process of a carbon fiber mesh cloth;
FIG. 2 is a schematic process diagram of a production process of a carbon fiber mesh cloth;
FIG. 3 is a schematic structural view of a braiding apparatus;
FIG. 4 is a schematic structural view of a dipping apparatus and a winding apparatus;
FIG. 5 is a schematic structural diagram of a side view of the dipping apparatus and the winding apparatus;
FIG. 6 is a schematic structural view of a side view of the demolding apparatus;
reference numbers in the figures: 12. knitting equipment; 13. a gumming device; 14. a winding device; 15. a curing device; 16. demolding equipment;
21. a metal frame; 22. a knitting table; 23. sizing a reed; 24. a heating roller; 25. a crimping roller;
31. a log roll; 32. a glue dipping tank; 33. a first glue dipping roller; 34. a second glue dipping roller; 35. a third glue dipping roller; 36. extruding a rubber roller;
41. a first support roller; 42. a second support roller; 43. a first laminating roller; 44. a second laminating roller; 45. a first wind-up roll; 46. a second wind-up roll; 47. a third wind-up roll;
51. a temperature control box; 52. demolding the wind-up roll; 53. a finished product wind-up roll; 54. a first pull roll; 55. a second pull roll; 56. a third pull roll; 57. a fourth pull roll; 58. a third support roller; 59. a temperature control support; 510. and (5) demolding the support.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-2, an embodiment of the present invention provides a production process of a carbon fiber mesh fabric, which includes the following steps:
1) And (3) knitting treatment: calculating the total number of yarns required by the carbon fiber mesh cloth according to the width and mesh distribution of the prepared carbon fiber mesh grey cloth, and orderly weaving prepared weft yarns and warp yarns into the carbon fiber mesh cloth;
2) Gum dipping treatment: placing the woven carbon fiber mesh fabric on a raw material roller, enabling one end of the carbon fiber mesh fabric to pass through the lower part of a first glue dipping roller 33 on a glue dipping tank 32, pass through a gap between the first glue dipping roller 33 and a second glue dipping roller 34, pass through a gap between the second glue dipping roller 34 and a third glue dipping roller 35 after passing through the upper part of the second glue dipping roller 34, pass through the lower part of the third glue dipping roller 35 to ensure that the carbon fiber mesh fabric is fully glued, extruding the carbon fiber mesh fabric after glue dipping, enabling the carbon fiber mesh fabric to pass through a gap between two extruding rollers 36, enabling the extruding roller 36 close to the third glue dipping roller 35 to rotate anticlockwise, enabling the extruding roller 36 far away from the third glue dipping roller 35 to rotate clockwise, and extruding redundant glue solution on the surface of the carbon fiber mesh fabric;
3) And (3) winding treatment: the carbon fiber mesh cloth which penetrates out from the position between the two rubber extruding rollers 36 passes through the upper part of the first supporting roller 41 and then passes through the lower part of the second supporting roller 42, and the traction direction of the carbon fiber mesh cloth in the traction process is changed; the carbon fiber mesh cloth passing through the lower part of the second supporting roller 42 bypasses the lower part of the first film combining roller 43, passes through the upper part of the second film combining roller 44, is combined with the special film arranged on the first film combining roller 43 above the second film combining roller 44, the combined carbon fiber mesh cloth and the special film are jointly drawn to the first winding roller 45, bypasses the lower part of the first winding roller 45 and passes through the upper part of the second winding roller 46, so that the carbon fiber mesh cloth and the special film are combined together fully and smoothly, and then the winding work is completed on the third winding roller 47;
4) Curing treatment: laying a layer of isolating membrane at the winding end part of the carbon fiber mesh cloth after being wound down, then placing the isolating membrane in curing equipment for curing the carbon fiber mesh composite material, and performing demoulding treatment after curing is finished;
5) Demolding treatment: placing the carbon fiber mesh cloth to be demoulded on a demoulding raw material roller in a temperature control box 51 at the temperature of 50-60 ℃, enabling the end part of the carbon fiber mesh cloth to penetrate out of the bottom outer side of the temperature control box through a strip-shaped through hole at the bottom of the temperature control box 51, bypassing the lower part of a first traction roller 54 positioned right below the temperature control box, bypassing the lower part of a third traction roller 56 on a demoulding support through the upper part of a second traction roller 55, passing through a gap between the third traction roller 56 and a fourth traction roller 57, bypassing the upper part of the fourth traction roller 57 to the lower part of a third support roller 58, taking down an isolation film at one end of the carbon fiber mesh cloth to be demoulded, bypassing the lower part of a demoulding roller 52 to complete the winding of the demoulded cloth, and bypassing the separated carbon fiber mesh cloth above a finished product winding roller 53 to complete the winding of the carbon fiber mesh cloth.
In a preferred embodiment, the warp yarns comprise hot melt adhesive threads and carbon fiber yarns, the hot melt adhesive threads being located above the carbon fiber yarns.
In a preferred embodiment, the tail part of the rolled carbon fiber mesh cloth and the head part of the second roll of carbon fiber mesh cloth are respectively pasted on two sides by adhesive tapes in a distance of 10-15 cm.
In a preferred embodiment, the length of the isolating membrane laid at the end part of the carbon fiber mesh cloth is 50-80 cm, so that the end part demoulding difficulty is reduced.
Referring to fig. 2 to 6, an embodiment of the present invention provides a production apparatus for a carbon fiber mesh fabric, including a weaving apparatus 12, a dipping apparatus 13, a winding apparatus 14, a curing apparatus 15, and a stripping apparatus 16; wherein,
the weaving device 12 comprises a metal frame 21 and a weaving table 22 which are arranged oppositely, and three full-diameter reeds 23 are arranged between the metal frame 21 and the weaving table 22;
the dipping device 13 is arranged on one side of the weaving device 12 close to the transmission direction of the carbon fiber mesh cloth;
the winding device 14 is arranged on one side, close to the transmission direction of the carbon fiber mesh cloth, of the dipping device 13;
the curing device 15 is arranged on one side, close to the transmission direction of the carbon fiber mesh cloth, of the winding device 14 and is used for curing the carbon fiber mesh composite material of the wound carbon fiber mesh cloth;
and the demolding device 16 is arranged on one side of the curing device 15, which is close to the conveying direction of the carbon fiber gridding cloth.
In a preferred embodiment, as shown in fig. 3, a heating roller 24 for applying glue on the surface of a hot melt adhesive line is fixedly arranged on one side of the three reed reeds 23 close to the transmission direction of the carbon fiber mesh cloth, the axis of the heating roller 24 is perpendicular to the transmission direction of the warp threads, a fifth driving device for driving the heating roller 24 to rotate is arranged at one end of the heating roller 24, a curling roller 25 is arranged on the heating roller 24 along the transmission direction of the warp threads, and a sixth driving device for driving the curling roller 25 to rotate is arranged at one end of the curling roller 25.
In this embodiment, the carbon fiber mesh weaving process includes: the method comprises five processes of protofilament quality inspection, protofilament yarn hanging, palm frame yarn threading, weft yarn traction and grid weaving. The warp yarn qualified in quality inspection is inserted into the metal frame 21 with the tension control device, and the tension control device can adjust the frictional resistance between the yarn shaft and the metal frame 21 so as to control the tension of the warp yarn. Proper warp quantity is selected according to the width of the produced product, and the structure that the hot melt adhesive threads are arranged on the upper portion and the carbon fiber yarns are arranged on the lower portion is adopted. The yarns pass through the three full-diameter reeds 23 in sequence, and the main purpose is to avoid the problem of wire stranding, so that each warp yarn can uniformly enter the harness wire under stress. Because the yarns are uniformly pushed forward by the integral-diameter reed 23, the problem that the wefts of the carbon fiber grids are not straight is effectively solved. When the woven mesh passes through the heating roller 24, the hot melt adhesive wire is heated and melted, the two warps and the hot melt adhesive wire are well bonded together, and the problem of warp separation of the carbon fiber mesh is effectively solved by bonding of the hot melt adhesive wire.
In a preferred embodiment, as shown in fig. 4 to 5, the gumming device 13 includes a raw material roller 31, the raw material roller 31 is provided with a gumming tank 32 along a transmission direction of the carbon fiber mesh cloth, a gum solution is provided in the gumming tank 32, a first gumming roller 33 is provided above the gumming tank 32, an axis of the first gumming roller 33 is perpendicular to the transmission direction of the carbon fiber mesh cloth, one end of the first gumming roller 33 is provided with a first driving device for driving the first gumming roller to rotate counterclockwise, the first gumming roller 33 is provided with a second gumming roller 34 and a third gumming roller 35 in parallel along the transmission direction of the carbon fiber mesh cloth, one end of the second gumming roller 34 and one end of the third gumming roller 35 are respectively provided with a second driving device for driving the second gumming roller 34 to rotate clockwise and a third driving device for driving the third gumming roller 35 to rotate counterclockwise, two squeezing rollers 36 arranged in parallel in a horizontal direction are provided above the third gumming roller 35, an axis direction of the squeezing roller 36 is perpendicular to the transmission direction of the carbon fiber mesh cloth, one end of the squeezing roller 36 is provided with a fourth driving device for driving the squeezing roller 35 far away from the third gumming roller 35, and the squeezing roller 35 rotates clockwise.
In this embodiment, when the dipping apparatus 13 is used, the carbon fiber mesh qualified in quality inspection is placed on the raw material roll 31, and the glue solution is according to the following epoxy resin: curing agent =2:1, and the prepared coating is added into the dip tank 32. Installing the carbon fiber mesh fabric on the raw material roller 31, enabling the first impregnation roller 33 to rotate anticlockwise, enabling the second impregnation roller 34 to rotate clockwise, enabling the third impregnation roller 35 to rotate anticlockwise, uniformly coating the glue solution on the surface of the carbon fiber mesh fabric in an upper impregnation mode, wherein the upper impregnation mode is that the glue solution in the impregnation tank 32 is taken when the second impregnation roller 34 rotates due to the fact that the diameter of the second impregnation roller 34 is large, and coating the glue solution on the surface of the carbon fiber mesh fabric when the carbon fiber mesh fabric passes through the upper surface of the second impregnation roller 34; the carbon fiber mesh fabric passes through the gap between the first impregnation roller 33 and the second impregnation roller 34 from the lower part of the first impregnation roller 33, passes through the gap between the second impregnation roller 34 and the third impregnation roller 35 from the upper part of the second impregnation roller 34, and passes through the lower part of the third impregnation roller 35, so that the carbon fiber mesh fabric is ensured to be fully impregnated. And then, extruding the carbon fiber mesh cloth after gum dipping, reversely rotating the two extruding rollers 36 to extrude redundant glue solution on the surface of the carbon fiber mesh cloth, adjusting the gap between the extruding rollers 36 according to actual conditions, and generating products with different glue contents in different gum dipping gaps.
In a preferred embodiment, as shown in fig. 4 to 5, the winding device 14 includes a first supporting roller 41 disposed above the extruding roller 36 in parallel, a seventh driving device is disposed at one end of the first supporting roller 41 to drive the first supporting roller 41 to rotate, a second supporting roller 42 is disposed in parallel on the first supporting roller 41 along the transmission direction of the carbon fiber mesh fabric, an eighth driving device is disposed at one end of the second supporting roller 42 to drive the second supporting roller 42 to rotate, a first film combining roller 43 and a second film combining roller 44 are sequentially disposed in parallel on the second supporting roller 42 along the transmission direction of the carbon fiber mesh fabric, a ninth driving device and a tenth driving device are respectively disposed at one ends of the first film combining roller 43 and the second film combining roller 44 to drive the first film combining roller 45, a second film combining roller 46 and a third film combining roller 47 are sequentially disposed on the second film combining roller 44 along the transmission direction of the carbon fiber mesh fabric, and a driving motor is respectively disposed at one end of the first winding roller 45, the second winding roller 46 and the third winding roller 47.
In this embodiment, the first supporting roller 41 is located right above the two glue squeezing rollers 36 and is used for drawing the grids finished with glue squeezing to a proper height, the second supporting roller 42 is used for changing the height of the grids in the drawing process, the special film is located on the first film combining roller 43, the carbon fiber mesh cloth is combined with the special film when being drawn to the second film combining roller 44, the carbon fiber mesh cloth and the special film are drawn to the first winding roller 45 together, and the second winding roller 46 and the third winding roller 47 finish winding. The rolled mesh cloth is firstly lapped with a second roll of mesh before being rolled, the lapping method is to paste the tail part of the rolled mesh and the head part of the second roll of mesh with double surfaces of adhesive tapes at the positions of 10cm-15cm respectively, and the rolling process of the tail part of the rolled mesh is also the process of drawing the head part of the second roll of mesh. Because the later stage needs the drawing of patterns, consequently need lay a layer barrier film at the tip of rolling after first roll net rolls up down, reduce the degree of difficulty of tip drawing of patterns. When the circular roller of the production gum dipping equipment is cleaned, only alcohol is used for lightly wiping the circular roller, so that the cleaning difficulty of the equipment is greatly reduced. The surface of the demolding cloth is provided with uniform textures, demolding is completed after the rolled product is subjected to curing equipment, the uniform textures can be reserved on the surface of the carbon fiber grid, and the latitudinal straightness of the product is remarkably improved.
In a preferred embodiment, as shown in fig. 6, the demolding device 16 includes a temperature control mechanism and a demolding mechanism; wherein,
the temperature control mechanism is arranged on one side of the curing equipment 15 along the transmission direction of the carbon fiber gridding cloth and comprises a temperature control support 59, a temperature control box 51 is fixedly arranged on the top surface of one side, close to the curing equipment 15, of the temperature control support 59, a demoulding raw material roller is fixedly arranged in the horizontal direction inside the temperature control box 51, a strip-shaped through hole for the carbon fiber gridding cloth to penetrate out to the outer side of the bottom of the temperature control box 51 is formed in the bottom of the temperature control box 51, a first traction roller 54 is fixedly arranged on the temperature control support 59 and is positioned right below the strip-shaped through hole, and a second traction roller 55 is fixedly arranged on one side, far away from the curing equipment, of the temperature control box 51;
the demolding mechanism is arranged on one side, far away from the curing equipment 15, of the temperature control mechanism and comprises a demolding support 510, a third traction roller 56 and a fourth traction roller 57 are fixedly arranged on the demolding support 510 in parallel on the top surface of one side, close to the temperature control mechanism, of the demolding support 510, a third supporting roller 58 is fixedly arranged on one side, far away from the temperature control mechanism, of the fourth traction roller 57, a finished product winding roller 53 is fixedly arranged above one side, far away from the fourth traction roller 57, of the third supporting roller 58 on the demolding support 510, and a demolding winding roller 52 is fixedly arranged below the finished product winding roller 53 on the demolding support 510; the product take-up roll 53 and the stripper take-up roll 52 are provided as driving rolls, and the first drawing roll 54, the second drawing roll 55, the third drawing roll 56, the fourth drawing roll 57, and the third support roll 58 are provided as driven rolls.
In the demolding process, because the carbon fiber mesh cloth after curing has higher temperature, and the temperature of the carbon fiber mesh cloth on the inner side of the roll is higher and higher, the carbon fiber mesh cloth after curing needs to be subjected to cooling treatment and then demolding, in the process, the carbon fiber mesh cloth after curing treatment is put on a demolding raw material roll in a temperature control box 51, the end part of the carbon fiber mesh cloth penetrates through a strip-shaped through hole and bypasses the lower part of a first traction roll 54, passes through the upper part of a second traction roll 55, passes through a gap between a third traction roll 56 and a fourth traction roll 57, passes through the lower part of a third supporting roll 58 and then is provided with a traction direction, an isolating film is taken down, one end of the demolding cloth is fixed on the demolding winding roll 52, one end of the carbon fiber mesh cloth is fixed on a finished product winding roll 53, the temperature control box 51 is controlled to work, the temperature in the box is kept within the range of 50-60 ℃, the demolding winding roll 52 rotates anticlockwise, and the finished product winding roll 53 rotates clockwise to perform winding work.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood broadly, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A production process of carbon fiber mesh cloth is characterized by comprising the following steps in sequence:
and (3) knitting treatment: the carbon fiber grid weaving process comprises five processes of raw yarn quality inspection, raw yarn hanging, heald frame threading, weft drawing and grid weaving, the total number of yarns required by the carbon fiber grid cloth is calculated according to the width and mesh distribution of the prepared carbon fiber grid grey cloth, warps comprise hot melt adhesive wires and carbon fiber yarns, the hot melt adhesive wires are positioned above the carbon fiber yarns, the warps are inserted into a metal frame with a tension control device, the tension control device can adjust the friction resistance of a yarn shaft and the metal frame to further control the tension of the warps, the warps pass through three warping reeds in sequence, and the prepared wefts and the warps are woven into the carbon fiber grid cloth in sequence;
gum dipping treatment: placing the woven carbon fiber mesh fabric on a raw material roller, then enabling one end of the carbon fiber mesh fabric to pass through the lower part of a first glue dipping roller on a glue dipping tank, pass through a gap between the first glue dipping roller and a second glue dipping roller, pass through the upper part of the second glue dipping roller, pass through a gap between the second glue dipping roller and a third glue dipping roller, and pass through the lower part of the third glue dipping roller, so as to ensure that the carbon fiber mesh fabric is fully dipped; then, extruding the carbon fiber gridding cloth after gum dipping, wherein the carbon fiber gridding cloth passes through a gap between two extruding rollers, the extruding roller close to the third gum dipping roller rotates anticlockwise, the extruding roller far away from the third gum dipping roller rotates clockwise, and redundant glue solution on the surface of the carbon fiber gridding cloth is extruded;
and (3) winding treatment: the carbon fiber mesh cloth penetrating out of the position between the two squeezing rollers passes through the upper part of a first supporting roller and then passes through the lower part of a second supporting roller, and the pulling direction of the carbon fiber mesh cloth in the pulling process is changed; the carbon fiber mesh cloth passing through the lower part of the second supporting roller bypasses the lower part of the first film combining roller, passes through the upper part of the second film combining roller, is combined with a special film arranged on the first film combining roller above the second film combining roller, the combined carbon fiber mesh cloth and the special film are jointly drawn to the first winding roller, bypasses the lower part of the first winding roller and passes through the upper part of the second winding roller, so that the carbon fiber mesh cloth and the special film are fully and flatly combined together, and then the winding work is completed on the third winding roller;
curing treatment: laying a layer of isolating film at the winding end part of the carbon fiber mesh cloth after being rolled down, wherein the isolating film can reduce the difficulty of end part demoulding, then placing the isolating film in curing equipment for curing the carbon fiber mesh composite material, and demoulding after curing;
demolding treatment: placing the carbon fiber mesh cloth to be demoulded on a demoulding raw material roller in a temperature control box at the temperature of 50-60 ℃, enabling the end part of the carbon fiber mesh cloth to penetrate out of the bottom outer side of the temperature control box through a strip-shaped through hole at the bottom of the temperature control box, bypassing the lower part of a first traction roller positioned right below the temperature control box, bypassing the lower part of a third traction roller on a demoulding support through the upper part of a second traction roller, passing through a gap between the third traction roller and a fourth traction roller, bypassing the lower part of a third supporting roller through the upper part of the fourth traction roller, taking down an isolation film at one end of the carbon fiber mesh cloth to be demoulded, bypassing the separated demoulded cloth below the demoulded winding roller, bypassing the separated carbon fiber mesh cloth above a finished product winding roller, and simultaneously completing the winding work of the demoulded cloth and the carbon fiber mesh cloth.
2. The production process of the carbon fiber mesh cloth as claimed in claim 1, wherein the tail part of the rolled carbon fiber mesh cloth and the head part of the second roll of carbon fiber mesh cloth are respectively pasted by 10-15 cm through adhesive tapes.
3. The process for producing a carbon fiber mesh fabric according to claim 2, wherein the length of the separation film laid on the end of the carbon fiber mesh fabric is 50 to 80 cm.
4. Production equipment of carbon fiber mesh cloth is characterized by comprising weaving equipment, gum dipping equipment, rolling equipment, curing equipment and demolding equipment; wherein,
the weaving equipment comprises a metal frame and a weaving table, wherein three sizing reeds are arranged between the metal frame and the weaving table;
the impregnation equipment is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the weaving equipment and comprises a raw material roller, a impregnation tank is arranged on the raw material roller along the transmission direction of the carbon fiber gridding cloth, glue solution is arranged in the impregnation tank, a first impregnation roller is arranged above the impregnation tank, the axis of the first impregnation roller is perpendicular to the transmission direction of the carbon fiber gridding cloth, a second impregnation roller and a third impregnation roller are sequentially arranged on the first impregnation roller along the transmission direction of the carbon fiber gridding cloth in parallel, two glue extruding rollers arranged in parallel in the horizontal direction are arranged above the third impregnation roller, the axis direction of the glue extruding rollers is perpendicular to the transmission direction of the carbon fiber gridding cloth, and a gap between the glue extruding rollers is adjusted according to actual conditions;
the winding device is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the gum dipping device and comprises a first supporting roller which is arranged above the gum extruding roller in parallel, a second supporting roller is arranged on the first supporting roller in parallel along the transmission direction of the carbon fiber gridding cloth, a first film combining roller and a second film combining roller are sequentially arranged on the second supporting roller in parallel along the transmission direction of the carbon fiber gridding cloth, and a first winding roller, a second winding roller and a third winding roller are sequentially arranged on the second film combining roller in parallel along the transmission direction of the carbon fiber gridding cloth;
the curing device is arranged on one side, close to the transmission direction of the carbon fiber gridding cloth, of the winding device and is used for curing the carbon fiber gridding cloth subjected to winding to obtain a carbon fiber gridding composite material;
the demolding device is arranged on one side, close to the carbon fiber gridding cloth, of the curing device in the transmission direction, and comprises a temperature control mechanism and a demolding mechanism, the temperature control mechanism can achieve temperature control within the range of 50-60 ℃, the temperature control mechanism is arranged on one side, along the transmission direction, of the carbon fiber gridding cloth, the temperature control mechanism comprises a temperature control support, the temperature control support is close to a temperature control box fixedly arranged on the top surface of one side of the curing device, demolding raw material rollers are fixedly arranged on the horizontal direction of the interior of the temperature control box, a strip-shaped through hole is formed in the bottom of the temperature control box, the carbon fiber gridding cloth penetrates out of the bottom of the temperature control box, a first traction roller is fixedly arranged under the strip-shaped through hole on the temperature control support, and a second traction roller is fixedly arranged on one side, far away from the curing device, of the temperature control box.
5. The carbon fiber mesh cloth production equipment according to claim 4, wherein a heating roller for hot-melting glue solution on the surface of a glue line is fixedly arranged on one side of each of the three full-diameter reeds close to the transmission direction of the carbon fiber mesh cloth, the axis of the heating roller is perpendicular to the transmission direction of warps, a fifth driving device for driving the heating roller to rotate is arranged at one end of the heating roller, a curling roller is arranged along the transmission direction of the warps, and a sixth driving device for driving the curling roller to rotate is arranged at one end of the curling roller.
6. The production equipment of the carbon fiber gridding cloth according to claim 5, wherein one end of the first impregnation roller is provided with a first driving device for driving the first impregnation roller to rotate anticlockwise, one end of the second impregnation roller and one end of the third impregnation roller are respectively provided with a second driving device for driving the second impregnation roller to rotate clockwise and a third driving device for driving the third impregnation roller to rotate anticlockwise, and one end of the rubber extruding roller is provided with a fourth driving device for driving the rubber extruding roller to rotate.
7. The production equipment of a carbon fiber mesh cloth according to claim 6, wherein one end of the first supporting roller is provided with a seventh driving device for driving the first supporting roller to rotate, one end of the second supporting roller is provided with an eighth driving device for driving the second supporting roller to rotate, one end of the first film combining roller and one end of the second film combining roller are respectively provided with a ninth driving device and a tenth driving device for driving the first film combining roller and the second film combining roller to rotate, and one end of the first winding roller, one end of the second winding roller and one end of the third winding roller are respectively provided with a driving motor for driving the first winding roller, the second winding roller and the third winding roller to rotate.
8. The carbon fiber mesh fabric production equipment according to claim 7, wherein the demolding mechanism is arranged on one side of the temperature control mechanism away from the curing equipment and comprises a demolding support, a third traction roller and a fourth traction roller are fixedly arranged on the demolding support, the top surface of one side of the demolding support, which is close to the temperature control mechanism, is parallel to the top surface of the other side of the demolding support, a third supporting roller is fixedly arranged on one side of the demolding support, which is away from the temperature control mechanism, of the fourth traction roller, a finished product winding roller is fixedly arranged above the demolding support, which is located on one side of the third supporting roller away from the fourth traction roller, and a demolding winding roller is fixedly arranged below the finished product winding roller on the demolding support.
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| WO2001021877A1 (en) * | 1999-09-20 | 2001-03-29 | Hunter Douglas Inc. | Non-woven warp yarn fabric materials and method and apparatus for manufacturing same |
| US9085110B2 (en) * | 2011-03-03 | 2015-07-21 | Basf Se | Process for producing fiber-reinforced flat semifinished products with a polyamide matrix |
| CN205258790U (en) * | 2015-08-11 | 2016-05-25 | 中奥碳纤科技（苏州）有限公司 | Carbon cloth and weave device thereof |
| CA3058817A1 (en) * | 2017-04-03 | 2018-10-11 | Toho Tenax Europe Gmbh | Method for producing a textile unidirectional fabric |
| CN108943969B (en) * | 2018-08-20 | 2023-12-01 | 江苏神鹤科技发展有限公司 | Novel UD film-free unidirectional sheet production line |
| CN109440273A (en) * | 2018-11-28 | 2019-03-08 | 泰安三英新材料有限公司 | A kind of inorganic fibre fabric hot melt tree lace consolidation device and operating method |
| CN111716587A (en) * | 2019-03-20 | 2020-09-29 | 长春设备工艺研究所 | Constant-temperature impregnation device for winding composite material fibers |
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