CN107841801A - Carbon fibre carbonizing and prepreg assembly line and its production technology - Google Patents
Carbon fibre carbonizing and prepreg assembly line and its production technology Download PDFInfo
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- CN107841801A CN107841801A CN201711109477.3A CN201711109477A CN107841801A CN 107841801 A CN107841801 A CN 107841801A CN 201711109477 A CN201711109477 A CN 201711109477A CN 107841801 A CN107841801 A CN 107841801A
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- prepreg
- carbon fibre
- production
- carbonization
- production line
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 126
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 55
- 239000000835 fiber Substances 0.000 title claims abstract description 52
- 238000010000 carbonizing Methods 0.000 title claims abstract description 33
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 107
- 238000003763 carbonization Methods 0.000 claims abstract description 50
- 238000001035 drying Methods 0.000 claims abstract description 38
- 238000005098 hot rolling Methods 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 18
- 238000007731 hot pressing Methods 0.000 claims abstract description 16
- 238000009955 starching Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 34
- 239000004917 carbon fiber Substances 0.000 claims description 34
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 claims description 24
- 238000007254 oxidation reaction Methods 0.000 claims description 24
- 238000005470 impregnation Methods 0.000 claims description 10
- 238000004381 surface treatment Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 239000002355 dual-layer Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 206010054949 Metaplasia Diseases 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000015689 metaplastic ossification Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Fibers (AREA)
- Carbon And Carbon Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses carbon fibre carbonizing and prepreg assembly line and its production technology, assembly line includes the carbonization production line and prepreg production line of double-decker, and carbonization production line includes water washing device, hot-rolling drying device, quetsch, the horizontal drying device being sequentially connected；What prepreg production line included being sequentially connected puts silk device, exhibition yarn feeding device, hot pressing dipping device, cooling device, cultivation cutting apparatus, and the hot-rolling drying device for the production line that is carbonized is connected with exhibition yarn feeding device.Technique includes carbonization technique and prepeg process, and the exhibition yarn process of prepeg process is directly entered after the hot-rolling drying process of carbon fibre carbonizing technique.The part carbon filament that carbon fibre carbonizing line produces without starching, is directed directly to presoak the exhibition yarn roller of line, saves starching, drying, winding and the yarn releasing process in carbonization Xian Hou roads, greatly improve production efficiency by the present invention.The present invention not only saves production site, convenient production, and reduces production cost, and product quality greatly improved.
Description
Technical field
The present invention relates to carbon fiber production technical field, specifically a kind of carbon fibre carbonizing and prepreg assembly line and
Its production technology.
Background technology
Carbon fiber is the inorganic polymer fiber that phosphorus content is higher than 92%, and wherein title graphite of the phosphorus content higher than 99% is fine
Dimension.The axial strength and modulus of carbon fiber are high, and no creep, fatigue durability is good, specific heat and electric conductivity between nonmetallic and metal it
Between, thermal coefficient of expansion is small, good corrosion resistance, and the density of fiber is low.It is better than metal material with the compound engineering material of carbon fiber, its
Tensile strength is higher than 3-4 times of steel, and endurance is high 2 times, and weight is lighter than steel 3-4 times, and thermal expansion is small 4-5 times；Graphite fibre
Zero variant can be accomplished.Carbon fiber is widely used in space flight and aviation, high-speed rail transportation, sports goods, chemical machinery, weaving
The fields such as machinery.
As shown in accompanying drawing 2 and accompanying drawing 3, traditional carbon fibre carbonizing production technology includes putting wire process, oxidation operation, low temperature
Carbonation process, high temperature cabonization process, surface treatment procedure, washing step, hot-rolling drying process；Sizing process, horizontal back tender
Sequence, the second hot-rolling drying process and receipts wire process.Traditional process for manufacturing prepregs includes putting wire process, exhibition yarn process, hot pressing
It is impregnated with process, refrigerating work procedure, coating processes, cultivation cutting process and winding process.
Carbon fiber prepreg is by materials such as carbon fiber yarn, epoxy resin, release liners, by film, hot pressing, cools down, covers
Film, the composite that technique is process, also known as the carbon fibre initial rinse fabric such as batch.It is because this simply sets why to be prepreg cloth
The preliminary impregnation of fat and carbon fiber, the reason being finally impregnated with is only in formed product.
When carbon fiber production line produces, tow is carrying out starching processing after being carbonized, wash, dry, and is then drying,
Finally wound with up- coiler.Carbon fiber prepreg is first orderly successively from by the finished product carbon fiber of ingot in production
It is placed on the creel of pre- dipping machine, is put in order in order whole tow, the making of prepreg is then carried out by exhibition yarn roller.Pass
The carbon fibre carbonizing production line of system is separated from each other setting with prepreg production line, and floor space is larger, and production cost is high, is not easy to
Change the product of production, not only low production efficiency, and unstable product quality.
The content of the invention
Can reduce production cost it is an object of the invention to provide one kind, improve product quality, realize carbonization production line with
The Combined production line and its production technology that prepreg production line is combined.
The purpose of the present invention is achieved by the following technical solution：
Carbon fibre carbonizing and prepreg assembly line, include the carbonization production line and prepreg production line of carbon fiber, institute
State carbonization production line with prepreg production line to be connected, the carbonization production line includes water washing device, the first heat being sequentially connected
Roller drying device, quetsch, horizontal drying device, the second hot-rolling drying device and receive silk machine；The prepreg production line bag
Include be sequentially connected put silk device, exhibition yarn feeding device, hot pressing dipping device, cooling device, plant cutting apparatus and wrap-up, the carbon
First hot-rolling drying device of metaplasia producing line is connected with the exhibition yarn feeding device of prepreg production line.
As the preferred technical solution of the present invention, the assembly line is set to double-decker, the prepreg production line
Upper strata is located at, carbonization production line is located at lower floor, and the first hot-rolling drying device of the production line that is carbonized is given birth to by guide roller and prepreg
The exhibition yarn feeding device connection of producing line.
As the preferred technical solution of the present invention, also set between the cooling device and cultivation cutting apparatus of the prepreg production line
There is film covering device.
As the preferred technical solution of the present invention, it is provided with before the water washing device of the carbonization production line and puts silk device, oxygen
Makeup is put, low-temperature carbonization device, high temperature cabonization device and surface processing device, wherein surface processing device and the water washing device
Connection.
As the preferred technical solution of the present invention, the assembly line is provided with control system, and the control system includes
Temperature control equipment, air control unit and hydraulic means.
Carbon fibre carbonizing and prepreg combined production process, including carbon fibre carbonizing production technology and prepreg production work
Skill, the carbon fibre carbonizing production technology include putting wire process, oxidation operation, low-temperature carbonization process, high temperature cabonization process, surface
Treatment process, washing step, hot-rolling drying process；The process for manufacturing prepregs includes exhibition yarn process, hot pressing is impregnated with process, cold
But process, coating processes, cultivation cutting process and winding process；It is straight after the hot-rolling drying process of the carbon fibre carbonizing production technology
Tap into the exhibition yarn process into process for manufacturing prepregs；
The tow of the carbon fiber is after the carbonation process of process for carbonization production is completed, into surface treatment procedure, the work
Sequence is surface-treated using ammonium hydrogen carbonate electrolyte to carbon fibre tow, and electrolytic conductivity is set to 20ms/cm, has been handled
Afterwards, the tow is washed by being pulled into rinsing bowl, is dried afterwards by hot-rolling, heat roller temperature is set as 90 DEG C；
Then, part carbon fibre tow, which continues to run to later process, carries out starching processing, and starching solid content is set as
1%；Drying process is entered back into, drying temperature is set to 90 DEG C；Winding process is finally entered, the carbon fiber finished product of acquisition is wrapped
Dress；
Another part carbon fibre tow enters prepreg production line by the slewing rollers behind hot-rolling, by slewing rollers by silk
The exhibition yarn roller of Shu Yinzhi prepreg production lines carries out exhibition yarn, and overlay film is carried out after the completion of exhibition yarn, now, the top and bottom of carbon fibre tow
The release liners for scribbling resin are covered with, then tow carries out hot pressing impregnation by 4 impregnation rollers to tow, resin is fully soaked
Stain, impregnation roll temperature are set to 80 DEG C；
Carbon fibre tow after hot pressing is impregnated with is air-cooled into cooler bin progress, is collected after cooling into coating processes
Simultaneously release liners, the side for being charged for release liners is then covered with PE film again, is finally cut and is wound.
As the preferred technical solution of the present invention, the combined production process is set using Dual-layer space, wherein carbon
The each operation of metaplasia production. art is located at lower floor, and each operation of the process for manufacturing prepregs is located at upper strata；The exhibition yarn process is adopted
Exhibition yarn method includes vibration exhibition yarn, ultrasonic wave exhibition yarn, drawing-off exhibition yarn, air-flow exhibition yarn.
As the preferred technical solution of the present invention, the carbon fiber of the process for carbonization production enters oxidation work through putting wire process
Sequence, the oxidation operation are provided with 6 pre-oxidation furnaces, and every oxidation furnace is set to a warm area, and the temperature of 6 warm areas is divided from low to high
It is not set as 219 DEG C, 224 DEG C, 230 DEG C, 244 DEG C, 254 DEG C, 264 DEG C, the total draft of the oxidation furnace is set as -5.4%.
As the preferred technical solution of the present invention, the tow of the carbon fiber enters low temperature carbonization furnace after oxidation furnace,
Low temperature carbonization furnace is provided with 7 warm areas altogether, each warm area temperature be respectively set as 450 DEG C, 550 DEG C, 650 DEG C, 650 DEG C, 700 DEG C,
750 DEG C, 800 DEG C, the drawing-off of the carbide furnace is set as 6.5%.
As the preferred technical solution of the present invention, the tow of the carbon fiber enters high temperature cabonization by low-temperature carbonization process
Process, the high temperature carbonization furnace that high temperature cabonization process is provided with share 7 warm areas, the temperature of each warm area be respectively set as 850 DEG C,
950 DEG C, 1050 DEG C, 1150 DEG C, 1250 DEG C, 1350 DEG C, 1250 DEG C, high temperature carbonization furnace drawing-off is set as -3.37%.
The beneficial effects of the invention are as follows：The part carbon filament for producing carbon fibre carbonizing line relative to prior art, the present invention
Without starching, the exhibition yarn roller for presoaking line is directly led to by guide roller, can so save starching, the drying in carbonization Xian Hou roads
With the yarn releasing process of winding process and preimpregnation line.Because having skipped the sizing process of carbonization production, tow not starching, so
Advantageously in the exhibition yarn of preimpregnation line carbon fiber prepreg quality can be made to get a promotion.The present invention can also incite somebody to action after starching
Tow leads to preimpregnation line exhibition yarn roller, and technological design is more flexible.
Carbon fiber prepreg production line of the drying equipment of the invention by after the production line washing that is carbonized with being set to second floor space
It is connected, the washing for the production line that is carbonized and process equipment behind are arranged on Stall, in production process, the hot-rolling after washing
Outlet installation guide roller is dried, part can be led to the prepreg production line of second floor without the carbon fiber of starching；If no
Prepreg is produced, then all produces carbon fiber, production efficiency can be increased substantially.
The carbonization production line of carbon fiber is combined by the present invention with prepreg production line, not only saves substantial amounts of production field
Ground, convenient production, and production cost can be reduced, improve product quality.
Brief description of the drawings
Fig. 1 is the structural representation of assembly line of the present invention.
Fig. 2 is traditional carbon fibres production technological process.
Fig. 3 is traditional prepeg production technological process.
Fig. 4 is carbon fibre carbonizing and prepreg combined production process flow chart of the present invention.
In figure：1st, silk device is put, 2, exhibition yarn feeding device, 3, hot pressing dipping device, 4, cooling device, 5, plant cutting apparatus, 6, receive
Winding apparatus, 7, water washing device, 8, hot-rolling drying device, 9, quetsch, 10, horizontal drying device, 11, receive silk machine.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 4, carbon fibre carbonizing and prepreg assembly line, including the carbonization production line of carbon fiber and
Prepreg production line, carbonization production line are connected with prepreg production line, and carbonization production line includes the water washing device being sequentially connected
7th, the first hot-rolling drying device 8, quetsch 9, horizontal drying device 10, the second hot-rolling drying device 8 and receive silk machine 11.Preimpregnation
What material production line included being sequentially connected puts silk device 1, exhibition yarn feeding device 2, hot pressing dipping device 3, cooling device 4, cultivation cutting apparatus 5 and
Wrap-up 6, the first hot-rolling drying device 8 of the carbonization production line are connected with the exhibition yarn feeding device 2 of prepreg production line.
In the present embodiment, the assembly line is set to double-decker, and prepreg production line is located at upper strata, and be carbonized production line
Lower floor is located at, the first hot-rolling drying device 8 of the production line that is carbonized is connected by the exhibition yarn feeding device 2 of guide roller and prepreg production line
Connect.Film covering device is additionally provided between the cooling device 4 and cultivation cutting apparatus 5 of the present embodiment prepreg production line.
Silk device, oxidation unit, cryogenic carbon makeup are put as shown in figure 1, being additionally provided with before the water washing device 7 of carbonization production line
Put, high temperature cabonization device and surface processing device (not shown), wherein surface processing device are connected with water washing device 7.This
Embodiment assembly line is provided with control system, and the control system includes temperature control equipment, air control unit and hydraulic pressure
Device.
As shown in figure 4, carbon fibre carbonizing and prepreg combined production process, including carbon fibre carbonizing production technology and preimpregnation
Material manufacturing technique, carbon fibre carbonizing production technology include put wire process, oxidation operation, low-temperature carbonization process, high temperature cabonization process,
Surface treatment procedure, washing step, hot-rolling drying process.Process for manufacturing prepregs includes exhibition yarn process, hot pressing is impregnated with process, cold
But process, coating processes, cultivation cutting process and winding process；It is straight after the hot-rolling drying process of the carbon fibre carbonizing production technology
Tap into the exhibition yarn process into process for manufacturing prepregs.
The tow of carbon fiber is after the carbonation process of process for carbonization production is completed, into surface treatment procedure, process profit
Carbon fibre tow is surface-treated with ammonium hydrogen carbonate electrolyte, electrolytic conductivity is set to 20ms/cm, after having handled,
The tow is washed by being pulled into rinsing bowl, is dried afterwards by hot-rolling, heat roller temperature is set as 90 DEG C；Then,
Part carbon fibre tow, which continues to run to later process, carries out starching processing, and starching solid content is set as 1%；Enter back into back tender
Sequence, drying temperature are set to 90 DEG C；Winding process is finally entered, the carbon fiber finished product of acquisition is packed.
Another part carbon fibre tow enters prepreg production line by the slewing rollers behind hot-rolling, by slewing rollers by silk
The exhibition yarn roller of Shu Yinzhi prepreg production lines carries out exhibition yarn, and overlay film is carried out after the completion of exhibition yarn, now, the top and bottom of carbon fibre tow
The release liners for scribbling resin are covered with, then tow carries out hot pressing impregnation by 4 impregnation rollers to tow, resin is fully soaked
Stain, impregnation roll temperature are set to 80 DEG C；Carbon fibre tow after hot pressing is impregnated with is air-cooled into cooler bin progress, and what is cooled down is laggard
Enter coating processes and collect one side release liners, the side for being charged for release liners is then covered with PE film again, finally cut out
Cut and wind.
In the present embodiment, the combined production process is set using Dual-layer space, and wherein process for carbonization production is each
Process is located at lower floor, and each operation of the process for manufacturing prepregs is located at upper strata；The exhibition yarn method bag that the exhibition yarn process uses
Include vibration exhibition yarn, ultrasonic wave exhibition yarn, drawing-off exhibition yarn, air-flow exhibition yarn.
The carbon fiber of process for carbonization production enters oxidation operation through putting wire process, and oxidation operation is provided with 6 pre-oxidation furnaces, often
Platform oxidation furnace is set to a warm area, the temperature of 6 warm areas be respectively set as from low to high 219 DEG C, 224 DEG C, 230 DEG C, 244 DEG C,
254 DEG C, 264 DEG C, the total draft of the oxidation furnace is set as -5.4%.
The tow of carbon fiber enters low temperature carbonization furnace after oxidation furnace, and low temperature carbonization furnace is provided with 7 warm areas, Mei Gewen altogether
Area's temperature is respectively set as 450 DEG C, 550 DEG C, 650 DEG C, 650 DEG C, 700 DEG C, 750 DEG C, 800 DEG C, and the drawing-off of the carbide furnace is set
It is set to 6.5%.The tow of the carbon fiber enters high temperature cabonization process by low-temperature carbonization process, and high temperature cabonization process is provided with
High temperature carbonization furnace shares 7 warm areas, the temperature of each warm area be respectively set as 850 DEG C, 950 DEG C, 1050 DEG C, 1150 DEG C, 1250
DEG C, 1350 DEG C, 1250 DEG C, high temperature carbonization furnace drawing-off is set as -3.37%.
Above-described embodiment is only limitted to design and the technical characteristic of the explanation present invention, and its object is to allow those skilled in the art
Member understands the technical scheme and embodiment of invention, can not limit the scope of the invention accordingly.It is every according to the present invention
The equivalent substitution or equivalence changes that technical scheme is made, should all be included within the scope of the present invention.
Claims (10)
1. a kind of carbon fibre carbonizing and prepreg assembly line, include the carbonization production line and prepreg production line of carbon fiber,
The carbonization production line is connected with prepreg production line, it is characterized in that：The carbonization production line includes the washing being sequentially connected
Device, the first hot-rolling drying device, quetsch, horizontal drying device, the second hot-rolling drying device and receive silk machine；
What the prepreg production line included being sequentially connected puts silk device, exhibition yarn feeding device, hot pressing dipping device, cooling device, cultivation
Cutting apparatus and wrap-up, the first hot-rolling drying device of the carbonization production line are connected with the exhibition yarn feeding device of prepreg production line
Connect.
2. carbon fibre carbonizing according to claim 1 and prepreg assembly line, it is characterized in that：The assembly line
Double-decker is set to, the prepreg production line is located at upper strata, and carbonization production line is located at lower floor, the first hot-rolling of the production line that is carbonized
Drying device is connected by guide roller with the exhibition yarn feeding device of prepreg production line.
3. carbon fibre carbonizing according to claim 1 or 2 and prepreg assembly line, it is characterized in that：The prepreg
Film covering device is additionally provided between the cooling device and cultivation cutting apparatus of production line.
4. carbon fibre carbonizing according to claim 1 or 2 and prepreg assembly line, it is characterized in that：The carbonization life
It is provided with before the water washing device of producing line and puts silk device, oxidation unit, low-temperature carbonization device, high temperature cabonization device and surface treatment dress
Put, wherein surface processing device is connected with the water washing device.
5. carbon fibre carbonizing according to claim 1 and prepreg assembly line, it is characterized in that：The assembly line
Provided with control system, the control system includes temperature control equipment, air control unit and hydraulic means.
6. a kind of carbon fibre carbonizing as claimed in claim 1 and prepreg combined production process, including carbon fibre carbonizing production
Technique and process for manufacturing prepregs, it is characterized in that：The carbon fibre carbonizing production technology includes putting wire process, oxidation operation, low
Warm carbonation process, high temperature cabonization process, surface treatment procedure, washing step, hot-rolling drying process；The process for manufacturing prepregs
Including exhibition yarn process, hot pressing impregnation process, refrigerating work procedure, coating processes, cultivation cutting process and winding process；The carbon fibre carbonizing
The exhibition yarn process of process for manufacturing prepregs is directly entered after the hot-rolling drying process of production technology；
The tow of the carbon fiber is after the carbonation process of process for carbonization production is completed, into surface treatment procedure, process profit
Carbon fibre tow is surface-treated with ammonium hydrogen carbonate electrolyte, electrolytic conductivity is set to 20ms/cm, after having handled,
The tow is washed by being pulled into rinsing bowl, is dried afterwards by hot-rolling, heat roller temperature is set as 90 DEG C；
Then, part carbon fibre tow, which continues to run to later process, carries out starching processing, and starching solid content is set as 1%；Again
Into drying process, drying temperature is set to 90 DEG C；Winding process is finally entered, the carbon fiber finished product of acquisition is packed；
Another part carbon fibre tow enters prepreg production line by the slewing rollers behind hot-rolling, is drawn tow by slewing rollers
Exhibition yarn roller to prepreg production line carries out exhibition yarn, carries out overlay film after the completion of exhibition yarn, now, the top and bottom of carbon fibre tow are coated to
On scribble the release liners of resin, then tow carries out hot pressing impregnation by 4 impregnation rollers to tow, is sufficiently impregnated resin, contains
Leaching roll temperature is set to 80 DEG C；
Carbon fibre tow after hot pressing is impregnated with is air-cooled into cooler bin progress, and one side is collected into coating processes after cooling
Release liners, the side for being charged for release liners is then covered with PE film again, is finally cut and is wound.
7. carbon fibre carbonizing according to claim 6 and prepreg combined production process, it is characterized in that：The combination production
Technique is set using Dual-layer space, and each operation of wherein process for carbonization production is located at lower floor, the process for manufacturing prepregs
Each operation be located at upper strata；The exhibition yarn method for opening up the use of yarn process includes vibration exhibition yarn, ultrasonic wave opens up yarn, yarn is opened up in drawing-off,
Air-flow opens up yarn.
8. carbon fibre carbonizing and prepreg combined production process according to claim 6 or 7, it is characterized in that：The carbonization
The carbon fiber of production technology enters oxidation operation through putting wire process, and the oxidation operation is provided with 6 pre-oxidation furnaces, every oxidation furnace
Be set to a warm area, the temperature of 6 warm areas be respectively set as from low to high 219 DEG C, 224 DEG C, 230 DEG C, 244 DEG C, 254 DEG C, 264
DEG C, the total draft of the oxidation furnace is set as -5.4%.
9. carbon fibre carbonizing according to claim 8 and prepreg combined production process, it is characterized in that：The carbon fiber
Tow enters low temperature carbonization furnace after oxidation furnace, and low temperature carbonization furnace is provided with 7 warm areas altogether, and each warm area temperature is respectively set as
450 DEG C, 550 DEG C, 650 DEG C, 650 DEG C, 700 DEG C, 750 DEG C, 800 DEG C, the drawing-off of the carbide furnace is set as 6.5%.
10. carbon fibre carbonizing according to claim 9 and prepreg combined production process, it is characterized in that：The carbon fiber
Tow enter high temperature cabonization process by low-temperature carbonization process, the high temperature carbonization furnace that high temperature cabonization process is provided with shares 7 temperature
Area, the temperature of each warm area are respectively set as 850 DEG C, 950 DEG C, 1050 DEG C, 1150 DEG C, 1250 DEG C, 1350 DEG C, 1250 DEG C, height
Warm carbide furnace drawing-off is set as -3.37%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711109477.3A CN107841801A (en) | 2017-11-11 | 2017-11-11 | Carbon fibre carbonizing and prepreg assembly line and its production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711109477.3A CN107841801A (en) | 2017-11-11 | 2017-11-11 | Carbon fibre carbonizing and prepreg assembly line and its production technology |
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| CN107841801A true CN107841801A (en) | 2018-03-27 |
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| CN201711109477.3A Pending CN107841801A (en) | 2017-11-11 | 2017-11-11 | Carbon fibre carbonizing and prepreg assembly line and its production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648736A (en) * | 2018-12-25 | 2019-04-19 | 浙江荔禾电气科技有限公司 | A kind of continous way prepreg automatic production line and its technique |
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