CN109972329B - Special production frock of high strength carbon fiber - Google Patents
Special production frock of high strength carbon fiber Download PDFInfo
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- CN109972329B CN109972329B CN201910191765.0A CN201910191765A CN109972329B CN 109972329 B CN109972329 B CN 109972329B CN 201910191765 A CN201910191765 A CN 201910191765A CN 109972329 B CN109972329 B CN 109972329B
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 119
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 119
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000004513 sizing Methods 0.000 claims abstract description 214
- 238000001035 drying Methods 0.000 claims abstract description 140
- 239000007921 spray Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 238000005192 partition Methods 0.000 claims description 56
- 238000005507 spraying Methods 0.000 claims description 52
- 239000000835 fiber Substances 0.000 claims description 29
- 238000007493 shaping process Methods 0.000 claims description 21
- 238000005470 impregnation Methods 0.000 claims description 14
- 238000007598 dipping method Methods 0.000 claims description 10
- -1 sizing apparatus Chemical compound 0.000 abstract 1
- 230000009471 action Effects 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000003763 carbonization Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005399 mechanical ventilation Methods 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- 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
- D06B15/09—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by jets of gases
-
- 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
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
-
- 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
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/04—Carriers or supports for textile materials to be treated
-
- 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
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/06—Guiding means for preventing filaments, yarns or threads from sticking together
-
- 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
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- 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
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a special production frock of high strength carbon fiber, including sizing apparatus, the setting device that opens the fine, drying device and carbon fiber bundle, sizing apparatus includes the sizing housing, spray pump in advance, the shower support, the shower head, the air-supply line, the air curtain machine, the waste liquid drain pipe, first sizing roller, second sizing roller, third sizing roller, first flooding roller, second flooding roller, fourth sizing roller, fifth sizing roller, the registration roller, it includes workstation, boss, deflector roll support, the deflector roll, the frame, the pair roller support, the pair roller, the hydraulic stem, lower pair roller, drying device includes dry housing, baffle, preheating section roller, drying section roller, the heating pipe, the return air fan, the main air pipe preheats the tuber pipe, the circulation tuber pipe, the new tuber pipe, circulating fan, the blast gate. The invention can carry out standardized, specialized and integrated treatment on the carbon fiber bundle, can meet the high-standard production requirement, and can avoid the phenomena of messy and broken carbon fiber bundles and has strong system stability.
Description
Technical Field
The invention belongs to the field of carbon fiber production equipment, and particularly relates to a special production tool for high-strength carbon fibers.
Background
The carbon fiber is a new fiber material of high-strength and high-modulus fiber with carbon content of more than 95%. It is made up by stacking organic fibres of flake graphite microcrystals along the axial direction of fibre, and making carbonization and graphitization treatment so as to obtain the invented microcrystal graphite material. The carbon fiber is flexible outside and rigid inside, has lighter weight than metal aluminum, higher strength than steel, corrosion resistance and high modulus, and is an important material in national defense, military industry and civil use. It not only has the intrinsic characteristic of carbon material, but also has the soft workability of textile fiber, and is a new generation of reinforced fiber. The carbon fiber has many excellent properties, high axial strength and modulus, low density, high specific performance, no creep deformation, super high temperature resistance in non-oxidation environment, good fatigue resistance, specific heat and conductivity between nonmetal and metal, small thermal expansion coefficient, anisotropy, good corrosion resistance and good X-ray permeability. Good electric and heat conducting performance, good electromagnetic shielding performance and the like.
The carbonization processing procedures of the high-strength carbon fiber in the carbon fiber processing process comprise the procedures of unreeling, pre-oxidizing, carbonizing, surface treating, sizing, fiber opening and shaping, drying, reeling and the like. After the carbon fiber precursor advanced pre-oxidation, low temperature carbonization, high temperature carbonization, certain structural strength had been had, still need carry out the starching to the precursor, open the fine design, drying process, carbon fiber precursor surface adhesion one deck fibre treating agent to carry out qualitative, extension, and carry out effective drying and drying to it through drying equipment and handle, make carbon fiber precursor form more fine and thin carbon fiber silk, the surface is more smooth, give carbon fiber's collectivity, wearability, hydroscopicity, then have higher structural strength.
The prior art discloses a patent with a patent number of "CN 201520098738.6" and a patent name of "an apparatus for preparing ultra-thin carbon fiber bundle", and has the following technical defects: (1) the structure of the preparation equipment is too simple, when the carbon fiber bundle sequentially passes through the sizing, fiber opening and shaping and drying treatment sections, the carbon fiber is simply treated, no special equipment is used for specialized and integrated treatment of the carbon fiber bundle, the carbon fiber bundle is not fully treated, and the satisfactory effect is not achieved. (2) The carbon fiber bundles are not protected in the equipment, and because the carbon fiber bundles are in a long-time and long-distance conveying state, the carbon fiber bundles are subjected to tension adjustment and position action in the system, and the carbon fiber bundles have the phenomena of yarn breakage and yarn disorder.
Disclosure of Invention
In order to solve the existing problems, the invention discloses a special production tool for high-strength carbon fibers, which has the following specific technical scheme: a special production tool for high-strength carbon fibers comprises a sizing device, a fiber opening and shaping device, a drying device and a carbon fiber bundle, wherein the sizing device comprises a sizing shell, a sizing inlet, a sizing outlet, an air outlet, a pre-spray water pump water inlet pipe, a pre-spray water pump water outlet pipe, a spray pipe support, a spray head, an air inlet pipe, an air curtain machine, a waste liquid drain pipe, a first sizing roller, a second sizing roller, a third sizing roller, a first impregnation roller, a second impregnation roller, a fourth sizing roller, a fifth sizing roller and a positioning roller; the bottom surface of one end in the sizing housing is of a groove-shaped structure to form a pre-spraying liquid tank which is of a structure with a wide top and a narrow bottom; the bottom surface of the inner side of the sizing housing is of a groove-shaped structure to form a sizing tank, the pre-spray water pump is arranged on the outer side of the sizing housing, two ends of a water inlet pipe of the pre-spray water pump are connected to the pre-spray tank and the pre-spray water pump, and two ends of a water outlet pipe of the pre-spray water pump are connected to the pre-spray water pump and the spray pipe; the spraying pipe is arranged on one side inside the sizing shell and is of a rectangular structure, and the spraying pipe is fixedly connected with the inner wall of the sizing shell through a spraying pipe support; the spray header is arranged on the spray pipe; the air inlet is formed in one side of the top surface of the sizing shell, the air inlet pipe is arranged at the bottom end of the air inlet, the air inlet pipe is vertically and fixedly connected with the sizing shell, and the air curtain machine is arranged at the top end of the air inlet pipe; the first sizing roller is arranged at the top end of the center of the pre-spraying liquid tank, and the second sizing roller is arranged at the top end of one side of the pre-spraying liquid tank; the third sizing roller and the fourth sizing roller are arranged on two sides of the top end of the sizing tank, and the first dipping roller and the second dipping roller are respectively arranged on two sides of the bottom end of the sizing tank; the fifth sizing roller is arranged on one side of the sizing outlet; the positioning roller is arranged at the bottom end of the air inlet pipe; the carbon fiber bundle penetrates through the sizing inlet, sequentially passes through the first sizing roller, the second sizing roller, the third sizing roller, the first impregnation roller, the second impregnation roller, the fourth sizing roller, the positioning roller and the fifth sizing roller, penetrates through the sizing outlet and penetrates out of the sizing shell;
the fiber splitting and sizing device comprises a workbench, a boss, a guide roller bracket, a guide roller, a frame, a pair roller bracket, an upper pair roller, a hydraulic rod and a lower pair roller, wherein the boss is arranged on one side of the upper surface of the workbench and fixedly connected with the workbench through a fastener; the guide roller bracket is arranged on the upper surface of the boss, the guide roller bracket is vertically and fixedly connected with the boss, and the guide roller is rotationally connected with the guide roller bracket; the frame is arranged on the upper surface of the workbench, and four feet of the frame are vertically and fixedly connected with four corners of the workbench; the pair roller brackets are arranged on two sides of the frame, and each pair roller bracket is vertically and fixedly connected with the frame; the upper pair rollers are rotatably connected with the pair roller brackets, and upper pair roller partition plates are arranged on the outer walls of the upper pair rollers in the circumferential direction; the hydraulic rods are arranged on two sides of the upper surface of the workbench and fixedly connected with the workbench through fasteners; the lower pair rollers comprise lower pair roller shafts, lower pair roller partition plates, lower rollers and lower roller bearings, the lower pair roller partition plates are circumferentially arranged on the outer walls of the lower pair roller shafts, the lower rollers are arranged between the two lower pair roller partition plates, each lower roller is rotatably connected with the lower pair roller shafts through the lower roller bearings, and lower pair roller grooves are formed between the two lower rollers; the lower pair rollers are fixedly connected with the side ends of the hydraulic rods through two ends;
the drying device comprises a drying shell, a drying inlet, a drying outlet, a partition plate, a preheating section roller, a drying section roller, a heating pipe, a return air inlet, a return air fan, a main air pipe, a preheating air pipe, a circulating air pipe, a fresh air pipe, a circulating fan, an air outlet and an air valve; the drying shell is in a cuboid shape and is of a hollow structure; the drying inlet is arranged on one side of the drying shell, and the drying outlet is arranged on the other side of the drying shell; the partition plate is arranged in the drying shell, a transfer port is formed in the partition plate, a preheating cavity is formed by the partition plate and one side of the drying shell, and exhaust holes of the preheating cavity are formed in the outer walls of the two sides of the preheating cavity; the preheating section roller is arranged in the preheating cavity, and two ends of the preheating section roller are rotatably connected with the preheating cavity; the partition plate and the other side of the drying shell form a drying cavity, the drying section roller is arranged in the drying cavity, and two ends of the drying section roller are rotatably connected with the drying cavity; the heating pipes are arranged at the top end and the bottom end in the drying cavity; the air return inlet is arranged on one side of the top end of the drying cavity, and the air return fan is arranged on the top end of the air return inlet and is fixedly connected with the air return inlet through a fastener; the main air pipe is arranged at the top end of the return air fan and is of an L-shaped structure; the top end of the preheating air pipe is vertically communicated with one end of the main air pipe, and the bottom end of the preheating air pipe penetrates through the top end of the preheating cavity and extends into the preheating cavity; the top end of the circulating air pipe is vertically communicated with the middle end of the main air pipe, and the bottom end of the circulating air pipe penetrates through the top end of the drying cavity and extends into the drying cavity; the fresh air pipe is communicated with one side of the top end of the circulating air pipe; the circulating fan is arranged on one side of the bottom end of the circulating air pipe; the air outlet is arranged on one side of the circulating fan and is fixedly connected with the circulating fan through a fastener; the air valve is arranged at the top ends of the preheating air pipe and the circulating air pipe.
Further, the carbon fiber bundle sequentially passes through the sizing equipment, the fiber opening and shaping device and the drying device.
Furthermore, the water outlet pipe of the pre-spraying water pump is provided with a hanging rib and a pipe clamp, and the water outlet pipe of the pre-spraying water pump is matched with the pipe clamp through the hanging rib to be fixedly connected with the inner top surface of the sizing housing.
Furthermore, the spray headers are arranged at the bottom end and the top end of the spray pipe, and each spray header is vertically communicated with the spray pipe.
Furthermore, the air inlet pipe is of a structure with wide length and narrow bottom.
Furthermore, the first sizing roller and the second sizing roller are obliquely arranged.
Further, the spray pipe is arranged between the first sizing roller and the second sizing roller, and the carbon fiber bundle penetrates through the spray pipe.
Furthermore, the second sizing roller, the third sizing roller, the fourth sizing roller and the fifth sizing roller are arranged at the same height, and the mounting height is equal to the sizing outlet.
Further, the installation height of the positioning roller is slightly lower than that of the fourth sizing roller and the fifth sizing roller on the two sides.
Further, the shape and the diameter of the first sizing roller, the second sizing roller, the third sizing roller, the first soaking roller, the second soaking roller, the fourth sizing roller and the fifth sizing roller are the same.
Further, the diameter of the positioning roller is smaller than that of the fourth sizing roller and that of the fifth sizing roller.
One step, the boss is the cuboid structure, boss length with the workstation width suits.
Furthermore, each guide roller is of a structure with two ends higher than the middle bottom.
Further, every the deflector roll sets up in two between the deflector roll support, every the deflector roll both ends with the deflector roll support passes through the bearing cooperation and realizes rotating the connection.
Furthermore, the number of the upper rollers is three, each upper roller is arranged between the roller supports on the two sides, and the two ends of each upper roller are matched with the roller supports through bearings to realize rotary connection.
Furthermore, the upper pair of rollers partition board is of a circular ring-shaped structure, the inner diameter of the upper pair of rollers partition board is matched with the outer diameter of the upper pair of rollers, and the upper pair of rollers partition board is vertically and fixedly connected with the upper pair of rollers and is of an integrated structure.
Furthermore, lower pair of roller baffle is the ring structure, lower roller baffle internal diameter with lower pair of roller axle external diameter suits, lower pair of roller baffle with lower pair of roller axle vertical fixed connection is the integral type structure.
Furthermore, the width and the position of each lower roller correspond to the distance and the position of the two upper pair of roller partition plates, and each lower roller is clamped between the two upper pair of roller partition plates.
Furthermore, the width and the position of the lower roller pair groove are matched with the width and the position of the upper roller pair partition plate, the depth of the lower roller pair groove is slightly larger than the height of the upper roller pair partition plate, and each upper roller pair partition plate is clamped into the lower roller pair groove.
Furthermore, the hydraulic rod is provided with a distance sensor, and the distance sensor is connected with an external hydraulic rod controller.
Furthermore, the number of the preheating cavity exhaust holes on each side is sixteen, and each preheating cavity exhaust hole is of a kidney-shaped hole structure.
Furthermore, the number of the preheating section rollers is two, the two preheating section rollers are obliquely arranged, and two ends of each preheating section roller are matched with bearings to be rotatably connected with the preheating cavity.
Furthermore, the number of the drying section rollers is eight, every two drying section rollers are obliquely arranged, and two ends of each drying section roller are matched with bearings to be rotatably connected with the drying cavity.
Furthermore, the heating pipe is a carbon fiber heating pipe.
Furthermore, the air return inlet is of a structure with a narrow upper part and a wide lower part.
Furthermore, the bottom end of the preheating air pipe is of a structure with a narrow top and a wide bottom.
Furthermore, one side of the circulating air pipe is attached to one side of the partition plate, and is fixedly connected with the partition plate through a fastening piece.
Furthermore, the air outlet is of a structure with a narrow end and a wide end, and the position of the air outlet is matched with the height of the drying section roller.
Further, the fastener is one or more of a rivet, a hexagon bolt, a nut, a screw and a self-tapping screw.
The working principle of the invention is as follows:
the principle of the sizing equipment is that carbon fiber bundles enter the shell through the sizing inlet, enter the first sizing roller for transmission and penetrate through the spray pipe; the pre-spraying water pump works, slurry in the pre-spraying liquid tank is conveyed into the spraying pipe through a water inlet pipe of the pre-spraying water pump and a water outlet pipe of the pre-spraying water pump, and is sprayed to the top side and the bottom side of the carbon fiber bundle simultaneously under the spraying action of the spraying head, and the sprayed slurry flows back into the pre-spraying liquid tank through the carbon fiber bundle; carbon fiber bundles are conveyed into the sizing tank through the second sizing roller and the third sizing roller, and are conveyed out of the sizing tank through the transmission action of the first dipping roller and the second dipping roller after being dipped in the sizing tank; then, after the carbon fiber bundle passes through the fourth sizing roller, the residual slurry on the surface of the carbon fiber bundle falls into a waste liquid tank under the action of wind power at the positioning roller through the blast action of an air curtain machine, and the wind is discharged from an air outlet; and the carbon fiber bundles are finally transmitted by the fifth sizing roller and are conveyed out of the shell from the sizing outlet, so that the sizing effect of the carbon fiber bundles is completed.
The principle of the fiber opening and shaping device is that carbon fiber bundles are conveyed into the device from one side of a workbench, each carbon fiber bundle is conveyed between each pair of rollers through the positioning action of a corresponding guide roller, the lower pair of rollers automatically adjust the height of a hydraulic rod through the detection action of a distance sensor at the top end of the hydraulic rod, so that a proper gap is kept between the upper pair of rollers and the lower pair of rollers, an upper pair of roller partition plate is embedded with a lower pair of roller groove, a lower roller is embedded with two upper pair of roller partition plates, each lower roller is positioned through a lower roller partition plate, each lower roller is kept to independently rotate through a lower roller bearing, each carbon fiber wire passes through the gap between each lower roller and each upper pair of rollers, and the carbon fiber wires sequentially pass through the fiber opening and shaping process.
The principle of the drying device is that a carbon fiber bundle enters a preheating cavity through a drying inlet, the carbon fiber bundle is driven by two preheating section rollers to form a broken line stroke in the preheating cavity, then the carbon fiber bundle passes through a transfer port and enters the drying cavity, the carbon fiber bundle is driven by a plurality of drying section rollers, the carbon fiber bundle forms a plurality of broken line strokes in the drying cavity, the carbon fiber bundle and the drying section rollers are in heat conduction for drying treatment, when the carbon fiber bundle is arranged at the top end and the bottom end of the drying cavity, the carbon fiber bundle is kept in a parallel state with a heating pipe, and finally the carbon fiber bundle is transmitted out of a shell through a drying outlet; heating pipes at the top end and the bottom end of the drying cavity are in a heating state, and the carbon fiber bundles which pass by the surface of the heating pipes are heated and dried through the heat radiation effect of the heating pipes; meanwhile, a part of hot air at the top in the drying cavity is discharged into the main air pipe through a return air inlet under the mechanical ventilation action of a return air fan, a part of air in the main air pipe is conveyed into the preheating cavity through the preheating air pipe, and a part of air in the main air pipe is mixed with fresh air of the fresh air pipe and conveyed into the drying cavity through the circulating air pipe and the air outlet; and the mechanical ventilation effect of the air circulation fan in the drying cavity dries the air around the surface of the carbon fiber bundle under the convection heat exchange effect, and a part of the dried air carrying heavier water molecules is discharged out of the drying shell through the drying outlet.
The invention has the beneficial effects that:
(1) the invention carries out equipment design on the sizing, fiber opening and shaping and drying treatment processes independently, and the equipment has reasonable structural design and strong functionality. The sizing equipment can perform the functions of cleaning, pre-sizing, residual liquid blowing and the like on the carbon fiber bundles; the fiber opening and shaping device can perform the function of twisting and unfolding single tows of the carbon fiber bundles independently; the drying device can preheat and dry the carbon fiber bundle, and has the functions of keeping heat in the device recycled and keeping the temperature constant. Each equipment assembly has standardized, specialized and integrated treatment on the carbon fiber bundle, so that the whole process flow has refined functions, energy is saved, the system stability is high, and the high-standard production requirement is met.
(2) The guide roller is additionally arranged, so that the carbon fiber bundle is stabilized and aligned in the transmission process, and the carbon fiber bundle is prevented from being deviated and disordered; meanwhile, the upper guide roller and the lower roller are matched to independently rotate, so that the carbon fiber tows are in the same roller transmission state in a system, different tensions among different tows cannot be released, and the phenomenon of yarn breakage is avoided; the production tool can adaptively adjust the carbon fiber bundle, avoids the phenomena of messy and broken carbon fiber bundles, and has strong system stability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of the sizing apparatus of the present invention.
FIG. 3 is a partial structural view of the spray pipe of the sizing device.
Fig. 4 is a schematic structural diagram of the fiber opening and shaping device of the invention.
Fig. 5 is a side view of the fiber opening and shaping device of the invention.
Fig. 6 is a partial structure schematic diagram of an upper roller and a lower roller in the fiber opening and shaping device.
Fig. 7 is a cross-sectional view of the lower roller of the fiber opening and shaping device.
Fig. 8 is an enlarged partial structural view a of fig. 4.
Fig. 9 is a schematic view of the structure of the drying apparatus of the present invention.
List of reference numerals: sizing equipment 1, sizing shell 1-1, pre-spraying liquid tank 1-101, sizing tank 1-102, waste liquid tank 1-103, sizing inlet 1-2, sizing outlet 1-3, air outlet 1-4, pre-spraying water pump 1-5, pre-spraying water pump inlet pipe 1-6, pre-spraying water pump outlet pipe 1-7, hanging rib 1-701, pipe clamp 1-702, spraying pipe 1-8, spraying pipe support 1-9, spray header 1-10, air inlet 1-11, air inlet pipe 1-12, air curtain machine 1-13, waste liquid drain pipe 1-14, first sizing roller 1-15, second sizing roller 1-16, third sizing roller 1-17, first impregnation roller 1-18, second impregnation roller 1-19, fourth sizing roller 1-20, A fifth sizing roller 1-21, a positioning roller 1-22, a fiber opening and shaping device 2, a workbench 2-1, a boss 2-2, a guide roller bracket 2-3, a guide roller 2-4, a frame 2-5, a pair roller bracket 2-6, an upper pair roller 2-7, an upper pair roller clapboard 2-701, a hydraulic rod 2-8, a lower pair roller 2-9, a lower pair roller shaft 2-901, a lower pair roller clapboard 2-902, a lower roller 2-903, a lower roller bearing 2-904, a lower pair roller groove 2-905, a distance sensor 2-10, a drying device 3, a drying shell 3-1, a preheating cavity 3-101, a drying cavity 3-102, a preheating exhaust hole 3-103, a drying inlet 3-2, a drying outlet 3-3, a clapboard 3-4, a drying device 3, a drying shell 3-1, a preheating cavity 3-101, 3-401 parts of transfer port, 3-5 parts of preheating section roller, 3-6 parts of drying section roller, 3-7 parts of heating pipe, 3-8 parts of air return port, 3-9 parts of air return fan, 3-10 parts of main air pipe, 3-11 parts of preheating air pipe, 3-12 parts of circulating air pipe, 3-13 parts of fresh air pipe, 3-14 parts of circulating fan, 3-15 parts of air outlet, 3-16 parts of air valve and 4 parts of carbon fiber bundle.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as concrete one-time casting molding and welding.
The pre-spraying water pump adopts a common horizontal pipeline pump, is an article which can be directly purchased in the market, has a working principle of a well-known technology which is well known by persons in the field, and is not described in detail in the invention.
The distance sensor used in the present embodiment is a laser displacement sensor manufactured by Shanghai Dallas opto-electronic technology, Inc. and having a model of ACR-LDS150 (D).
The hydraulic rod controller is a universal type on the market and can be purchased on the market, the hydraulic rod controller used in the embodiment adopts a motion controller with the model of American Delta and the model of RMC150/151, can control servo drive and high-performance motion control, and has a mature program library and simple program design.
The drying section roller is an electromagnetic heating roller which is produced by Shanghai Dunnes electromechanical equipment Limited and has the model of D-GW-1000, the electromagnetic heating roller has a controller which is correspondingly connected, the structural principle and the control principle of the drying section roller are known by persons in the field, and the principle is not described in detail in the invention.
The attached drawing shows that the special production tool for the high-strength carbon fibers comprises sizing equipment 1, a fiber opening and shaping device 2, a drying device 3 and a carbon fiber bundle 4, wherein the sizing equipment 1 comprises a sizing shell 1-1, a sizing inlet 1-2, a sizing outlet 1-3, an air outlet 1-4, a pre-spray water pump 1-5, a pre-spray water pump water inlet pipe 1-6, a pre-spray water pump water outlet pipe 1-7, a spray pipe 1-8, a spray pipe support 1-9, a spray head 1-10, an air inlet 1-11, an air inlet pipe 1-12, an air curtain machine 1-13, a waste liquid drain pipe 1-14, a first sizing roller 1-15, a second sizing roller 1-16, a third sizing roller 1-17, a first impregnation roller 1-18 and a second impregnation roller 1-19, The sizing device comprises a fourth sizing roller 1-20, a fifth sizing roller 1-21 and a positioning roller 1-22, wherein the sizing shell 1-1 is cuboid and is of a hollow structure, a sizing inlet 1-2 is formed in one side of the sizing shell 1-1, a sizing outlet 1-3 is formed in the top end of the other side of the sizing shell 1-1, and an air outlet 1-4 is formed in the bottom end of the other side of the sizing shell 1; the bottom surface of one end inside the sizing shell 1-1 is of a groove-shaped structure to form a pre-spraying liquid tank 1-101, and the pre-spraying liquid tank 1-101 is of a structure with a wide top and a narrow bottom; the bottom surface of the middle side in the sizing shell 1-1 is of a groove-shaped structure to form a sizing liquid groove 1-102, the pre-spraying water pump 1-5 is arranged on the outer side of the sizing shell 1-1, two ends of a water inlet pipe 1-6 of the pre-spraying water pump are connected to the pre-spraying liquid groove 1-101 and the pre-spraying water pump 1-5, and two ends of a water outlet pipe 1-7 of the pre-spraying water pump are connected to the pre-spraying water pump 1-5 and a spraying pipe 1-8; the spraying pipes 1-8 are arranged on one side inside the sizing casing 1-1, the spraying pipes 1-8 are of rectangular structures, and the spraying pipes 1-8 are fixedly connected with the inner wall of the sizing casing 1-1 through spraying pipe supports 1-9; the spray headers 1-10 are arranged on the spray pipe 9; the air inlet 1-11 is arranged on one side of the top surface of the sizing housing 1-1, the air inlet pipe 1-12 is arranged at the bottom end of the air inlet 1-11, the air inlet pipe 1-12 is vertically and fixedly connected with the sizing housing 1-1, and the air curtain machine 1-13 is arranged at the top end of the air inlet pipe 1-12; the first sizing roller 1-15 is arranged at the top end of the center of the pre-spraying liquid tank 1-101, and the second sizing roller 1-16 is arranged at the top end of one side 1-1 of the pre-spraying liquid tank; the third sizing roller 1-17 and the fourth sizing roller 18 are arranged on two sides of the top end of the sizing tank 1-102, and the first soaking roller 1-18 and the second soaking roller 1-19 are respectively arranged on two sides of the bottom end of the sizing tank 1-102; the fifth sizing roller 20 is arranged on one side of the sizing outlet 1-3; the positioning rollers 1-22 are arranged at the bottom ends of the air inlet pipes 1-12; the carbon fiber bundle 4 penetrates through the sizing inlet 1-2, then sequentially passes through a first sizing roller 1-15, a second sizing roller 1-16, a third sizing roller 1-17, a first impregnation roller 1-18, a second impregnation roller 1-19, a fourth sizing roller 1-20, a positioning roller 1-22 and a fifth sizing roller 1-21, and then penetrates through the sizing outlet 1-3 to penetrate out of the sizing shell 1-1;
the fiber splitting and sizing device 2 comprises a workbench 2-1, a boss 2-2, a guide roller bracket 2-3, a guide roller 2-4, a frame 2-5, a pair roller bracket 2-6, an upper pair roller 2-7, a hydraulic rod 2-8 and a lower pair roller 2-9, wherein the boss 2-2 is arranged on one side of the upper surface of the workbench 2-1, and the boss 2-2 is fixedly connected with the workbench 2-1 through a fastener; the guide roller bracket 2-3 is arranged on the upper surface of the boss 2-2, the guide roller bracket 2-3 is vertically and fixedly connected with the boss 4, and the guide roller 5 is rotatably connected with the guide roller bracket 4; the frame 2-5 is arranged on the upper surface of the workbench 2-1, and four feet of the frame 2-5 are vertically and fixedly connected with four corners of the workbench 2-1; the pair roller brackets 2-6 are arranged at two sides of the frame 2-5, and each pair roller bracket 2-6 is vertically and fixedly connected with the frame 2-5; the upper pair of rollers 2-7 are rotationally connected with the pair of roller brackets 2-6, and the outer walls of the upper pair of rollers 2-7 are circumferentially provided with upper pair of roller partition plates 2-701; the hydraulic rods 2-8 are arranged on two sides of the upper surface of the workbench 2-1 and fixedly connected with the workbench 2-1 through fasteners; the lower pair of rollers 2-9 comprises a lower pair of roller shafts 2-901, lower pair of roller partition plates 2-902, lower roller shafts 2-903 and lower roller bearings 2-904, the lower pair of roller partition plates 2-902 are circumferentially arranged on the outer walls of the lower pair of roller shafts 2-901, the lower roller shafts 2-903 are arranged between the two lower pair of roller partition plates 2-902, each lower roller shaft 2-903 is rotatably connected with the lower pair of roller shafts 2-901 through the lower roller bearings 2-904, and a lower pair of roller groove 2-905 is formed between the two lower roller shafts 2-903; the lower pair of rollers 2-9 are fixedly connected with the side ends of the hydraulic rods 2-8 through two ends;
the drying device 3 comprises a drying shell 3-1, a drying inlet 3-2, a drying outlet 3-3, a partition plate 3-4, a preheating section roller 3-5, a drying section roller 3-6, a heating pipe 3-7, a return air inlet 3-8, a return air fan 3-9, a main air pipe 3-10, a preheating air pipe 3-11, a circulating air pipe 3-12, a fresh air pipe 3-13, a circulating fan 3-14, an air outlet 3-15 and an air valve 3-16; the drying shell 3-1 is in a cuboid shape and is of a hollow structure; the drying inlet 3-2 is arranged at one side of the drying shell 3-1, and the drying outlet 3-3 is arranged at the other side of the drying shell 3-1; the partition plate 3-4 is arranged in the drying shell 3-1, a transfer port 3-401 is formed in the partition plate 3-4, a preheating cavity 3-101 is formed by the partition plate 3-4 and one side of the drying shell 3-1, and preheating cavity exhaust holes 3-103 are formed in the outer walls of two sides of the preheating cavity 3-101; the preheating section roller 3-5 is arranged in the preheating cavity 3-101, and two ends of the preheating section roller 3-5 are rotatably connected with the preheating cavity 5; the partition plate 3-4 and the other side of the drying shell 3-1 form a drying cavity 3-102, the drying section roller 3-6 is arranged in the drying cavity 3-102, and two ends of the drying section roller 1-2 are rotatably connected with the drying cavity 3-102; the heating pipes 3-7 are arranged at the top end and the bottom end in the drying cavity 3-102; the air return opening 3-8 is arranged on one side of the top end of the drying cavity 3-102, and the air return fan 3-9 is arranged on the top end of the air return opening 3-8 and is fixedly connected with the air return opening 3-8 through a fastening piece; the main air pipe 3-10 is arranged at the top end of the return air fan 3-9, and the main air pipe 3-10 is of an L-shaped structure; the top end of the preheating air pipe 3-11 is vertically communicated with one end of the main air pipe 3-10, and the bottom end of the preheating air pipe 3-11 penetrates through the top end of the preheating cavity 3-101 and extends into the preheating cavity 3-101; the top end of the circulating air pipe 3-12 is vertically communicated with the middle end of the main air pipe 3-10, and the bottom end of the circulating air pipe 3-12 penetrates through the top end of the drying cavity 3-102 and extends into the drying cavity 3-102; the fresh air pipe 3-13 is communicated with one side of the top end of the circulating air pipe 3-12; the circulating fan 3-14 is arranged on one side of the bottom end of the circulating air pipe 3-12; the air outlet 3-15 is arranged on one side of the circulating fan 3-14 and is fixedly connected with the circulating fan 3-14 through a fastener; the air valves 3-16 are arranged at the top ends of the preheating air pipes 3-11 and the circulating air pipes 3-12.
Further, the carbon fiber bundle 4 sequentially passes through the sizing device 1, the fiber opening and shaping device 2 and the drying device 3.
Furthermore, the pre-spray water pump water outlet pipe 1-7 is provided with a hanging rib 1-701 and a pipe clamp 1-702, and the pre-spray water pump water outlet pipe 1-7 is fixedly connected with the inner top surface of the sizing housing 1-1 by matching the hanging rib 1-701 with the pipe clamp 1-702.
Further, the spray headers 1-10 are arranged at the bottom ends and the top ends of the spray pipes 1-8, and each spray header 1-10 is vertically communicated with the spray pipes 1-8.
Furthermore, the air inlet pipes 1 to 12 are of a structure with wide length and narrow bottom.
Further, the first sizing roller 1-15 and the second sizing roller 1-16 are arranged in an inclined manner.
Further, the spray pipes 1-8 are arranged between the first sizing rollers 1-15 and the second sizing rollers 1-16, and the carbon fiber bundles 4 penetrate through the spray pipes 1-8.
Further, the second sizing roller 1-16, the third sizing roller 1-17, the fourth sizing roller 1-20 and the fifth sizing roller 1-21 are arranged at the same height, and the height is equal to that of the sizing outlet 1-3.
Further, the positioning rollers 1-22 are installed at a height slightly lower than that of the fourth sizing roller 1-20 and the fifth sizing roller 1-21 on the two sides.
Further, the first sizing roller 1-15, the second sizing roller 1-16, the third sizing roller 1-17, the first dipping roller 1-18, the second dipping roller 1-19, the fourth sizing roller 1-20 and the fifth sizing roller 1-21 are the same in shape and diameter.
Further, the diameter of the positioning roller 1-22 is smaller than that of the fourth sizing roller 1-20 and that of the fifth sizing roller 1-21.
One step, the boss 2-2 is of a cuboid structure, and the length of the boss 2-2 is matched with the width of the workbench 2-1.
Furthermore, each guide roller 2-4 is of a structure with two ends higher than the middle bottom.
Furthermore, each guide roller 2-4 is arranged between the two guide roller brackets 2-3, and the two ends of each guide roller 2-4 are matched with the guide roller brackets 2-3 through bearings to realize rotary connection.
Furthermore, the number of the upper rollers 2-7 is three, each upper roller 2-7 is arranged between the roller supports 2-6 on the two sides, and the two ends of each upper roller 2-7 are matched with the roller supports 2-6 through bearings to realize rotary connection.
Further, the upper pair of roller partition plates 2-701 are of a circular ring-shaped structure, the inner diameter of the upper pair of roller partition plates 2-701 is matched with the outer diameter of the upper pair of rollers 2-7, and the upper pair of roller partition plates 2-701 are vertically and fixedly connected with the upper pair of rollers 2-7 to form an integrated structure.
Further, the lower roll clapboard 2-902 is in a circular ring structure, the inner diameter of the lower roll clapboard 9-2 is matched with the outer diameter of the lower roll shaft 2-901, and the lower roll clapboard 2-902 is vertically and fixedly connected with the lower roll shaft 2-901 to form an integrated structure.
Furthermore, the width and position of each lower roller 2-903 correspond to the distance and position of the two upper pair of roller partition plates 2-701, and each lower roller 2-903 is clamped between the two upper pair of roller partition plates 2-701.
Further, the width and the position of the lower pair of roller slots 2-905 are adapted to the width and the position of the upper pair of roller partition plates 2-701, the depth of the lower pair of roller slots 2-905 is slightly larger than the height of the upper pair of roller partition plates 2-701, and each upper pair of roller partition plates 2-701 is clamped into the lower pair of roller slots 2-905.
Furthermore, the hydraulic rod 2-8 is provided with a distance sensor 2-10, and the distance sensor 2-10 is connected with an external hydraulic rod controller.
Furthermore, the number of the preheating cavity exhaust holes 3-103 on each side is sixteen, and each preheating cavity exhaust hole 3-103 is in a waist-shaped hole structure.
Furthermore, the number of the preheating section rollers 3-5 is two, the two preheating section rollers 3-5 are obliquely arranged, and two ends of each preheating section roller 3-5 are matched with bearings to be rotatably connected with the preheating cavities 3-101.
Furthermore, the number of the drying section rollers 3-6 is eight, every two drying section rollers 3-6 are obliquely arranged, and two ends of each drying section roller 3-6 are matched with bearings to be rotatably connected with the drying cavities 3-102.
Further, the heating pipes 3-7 are carbon fiber heating pipes.
Further, the air return opening 3-8 is of a structure with a narrow upper part and a wide lower part.
Furthermore, the bottom end of the preheating air pipe 3-11 is of a structure with a narrow top and a wide bottom.
Furthermore, one side of the circulating air pipe 3-12 is attached to one side of the partition plate 3-4 and fixedly connected with the partition plate 3-4 through a fastening piece.
Further, the air outlets 3-15 are of a structure with one narrow end and one wide end, and the positions of the air outlets 3-15 are adapted to the height of the drying section roller.
Further, the fastener is one or more of a rivet, a hexagon bolt, a nut, a screw and a self-tapping screw.
The working principle of the invention is as follows:
the principle of the sizing device 1 is that a carbon fiber bundle 4 enters a shell through a sizing inlet 1-2, enters a first sizing roller 1-15 to be driven and passes through a spray pipe 1-8; the pre-spraying water pump 1-5 works, slurry in the pre-spraying liquid tank 1-101 is conveyed to the spraying pipe 1-8 through the water inlet pipe 1-6 of the pre-spraying water pump and the water outlet pipe 1-7 of the pre-spraying water pump, and is sprayed to the top side and the bottom side of the carbon fiber bundle 4 under the spraying action of the spraying head 1-10, and the sprayed slurry flows back to the pre-spraying liquid tank 1-101 through the carbon fiber bundle 4; the carbon fiber bundle 4 is conveyed into the sizing agent tank 1-102 through the second sizing roller 1-16 and the third sizing roller 1-17, and is conveyed out of the sizing agent tank 1-102 through the transmission action of the first dipping roller 1-18 and the second dipping roller 1-19 after being dipped in the sizing agent tank 1-102; then, after the carbon fiber bundle 4 passes through a fourth sizing roller 1-20, residual slurry on the surface of the carbon fiber bundle 4 falls into a waste liquid tank 1-103 under the action of wind power at a positioning roller 1-22 through the blast action of an air curtain machine 1-13, and the wind is discharged from an air outlet 1-4; the carbon fiber bundles 4 are finally transmitted by the fifth sizing rollers 1-21 and are conveyed out of the shell 1 from the sizing outlet 3, and the sizing effect of the carbon fiber bundles 4 is completed.
The principle of the fiber opening and shaping device 2 is that carbon fiber bundles 4 are conveyed into the device from one side of a workbench 2-1, each carbon fiber bundle 4 is conveyed between each pair of rollers through the positioning action of the corresponding guide roller 2-4, the lower pair of rollers 8 automatically adjust the height of the hydraulic rod 2-8 through the detection action of the distance sensor 2-10 at the top end of the hydraulic rod 9, so that a proper gap is kept between the upper pair of rollers 2-7 and the lower pair of rollers 2-9, the partition plates 2-701 of the upper pair of rollers are embedded with the grooves 2-905 of the lower pair of rollers, the lower roller 9 is embedded with the partition plates 2-701 of the two upper pair of rollers, each lower roller 2-903 is positioned through the partition plates 9-2 of the lower roller, each lower roller 2-903 is kept to independently rotate through the bearings 2-904 of the lower rollers, each carbon fiber wire passes through the gap between each lower roller 2-, carbon fiber filaments sequentially pass through the three pairs of rollers for fiber opening and shaping, and are output to the outside of the device.
The principle of the drying device 3 in the invention is that the carbon fiber bundle 4 enters the preheating cavity 3-101 through the drying inlet 3-2, the carbon fiber bundle 4 forms a broken line stroke in the preheating cavity 3-101 through the transmission action of the two preheating section rollers 3-5, then the carbon fiber bundle 4 passes through the transfer port 3-401 to enter the drying cavity 3-102, the carbon fiber bundle 4 is driven by a plurality of drying section rollers 3-6, the carbon fiber bundle 4 forms a plurality of broken line strokes in the drying cavity 3-102, the carbon fiber bundle 4 and the drying section rollers 3-6 are dried under the heat conduction action, when the carbon fiber bundles 4 are arranged at the top end and the bottom end of the drying cavity 3-102, the carbon fiber bundles 4 are kept in a parallel state with the heating pipes 3-7, and the carbon fiber bundles 4 are finally transmitted out of the shell 1 through the drying outlet 3-3; heating pipes 3-7 at the top end and the bottom end of the drying cavity 3-102 are in a heating state, and the carbon fiber bundles 4 which pass by the surfaces of the heating pipes 3-7 are heated and dried through the heat radiation effect of the heating pipes 3-7; meanwhile, a part of hot air at the top in the drying cavity 3-102 is exhausted into the main air duct 3-10 through the return air inlet 9 under the mechanical ventilation action of the return air fan 3-9, a part of air in the main air duct 3-10 is conveyed into the preheating cavity 3-101 through the preheating air duct 3-11, a part of air in the main air duct 3-10 is mixed with fresh air in the fresh air duct 3-13, and the mixed air is conveyed into the drying cavity 3-102 through the circulating air duct 3-12 and the air outlet 3-15; and the mechanical ventilation effect of the air circulating fan 3-14 in the drying cavity 3-102 is used for drying the air around the surface of the carbon fiber bundle 4 under the action of convection heat exchange, and a part of the dried air carrying heavier water molecules is discharged out of the drying shell 3-1 through the drying outlet 3-3.
The invention has the beneficial effects that:
(1) the invention carries out equipment design on the sizing, fiber opening and shaping and drying treatment processes independently, and the equipment has reasonable structural design and strong functionality. The sizing equipment can perform the functions of cleaning, pre-sizing, residual liquid blowing and the like on the carbon fiber bundles; the fiber opening and shaping device can perform the function of twisting and unfolding single tows of the carbon fiber bundles independently; the drying device can preheat and dry the carbon fiber bundle, and has the functions of keeping heat in the device recycled and keeping the temperature constant. Each equipment assembly has standardized, specialized and integrated treatment on the carbon fiber bundle, so that the whole process flow has refined functions, energy is saved, the system stability is high, and the high-standard production requirement is met.
(2) The guide roller is additionally arranged, so that the carbon fiber bundle is stabilized and aligned in the transmission process, and the carbon fiber bundle is prevented from being deviated and disordered; meanwhile, the upper guide roller and the lower roller are matched to independently rotate, so that the carbon fiber tows are in the same roller transmission state in a system, different tensions among different tows cannot be released, and the phenomenon of yarn breakage is avoided; the production tool can adaptively adjust the carbon fiber bundle, avoids the phenomena of messy and broken carbon fiber bundles, and has strong system stability.
Claims (10)
1. The special production tool for the high-strength carbon fibers is characterized by comprising sizing equipment, a fiber splitting and shaping device, a drying device and a carbon fiber bundle, wherein the sizing equipment comprises a sizing shell, a sizing inlet, a sizing outlet, an air outlet, a pre-spray water pump water inlet pipe, a pre-spray water pump water outlet pipe, a spray pipe support, a spray head, an air inlet pipe, an air curtain, a waste liquid drain pipe, a first sizing roller, a second sizing roller, a third sizing roller, a first impregnation roller, a second impregnation roller, a fourth sizing roller, a fifth sizing roller and a positioning roller, the sizing shell is in a cuboid shape and is of a hollow structure, the sizing inlet is arranged on one side of the sizing shell, the sizing outlet is arranged at the top end of the other side of the sizing shell, and the air outlet is arranged at the bottom end of the other side of the sizing shell; the bottom surface of one end in the sizing housing is of a groove-shaped structure to form a pre-spraying liquid tank which is of a structure with a wide top and a narrow bottom; the bottom surface of the inner side of the sizing housing is of a groove-shaped structure to form a sizing tank, the pre-spray water pump is arranged on the outer side of the sizing housing, two ends of a water inlet pipe of the pre-spray water pump are connected to the pre-spray tank and the pre-spray water pump, and two ends of a water outlet pipe of the pre-spray water pump are connected to the pre-spray water pump and the spray pipe; the spraying pipe is arranged on one side inside the sizing shell and is of a rectangular structure, and the spraying pipe is fixedly connected with the inner wall of the sizing shell through a spraying pipe support; the spray header is arranged on the spray pipe; the air inlet is formed in one side of the top surface of the sizing shell, the air inlet pipe is arranged at the bottom end of the air inlet, the air inlet pipe is vertically and fixedly connected with the sizing shell, and the air curtain machine is arranged at the top end of the air inlet pipe; the first sizing roller is arranged at the top end of the center of the pre-spraying liquid tank, and the second sizing roller is arranged at the top end of one side of the pre-spraying liquid tank; the third sizing roller and the fourth sizing roller are arranged on two sides of the top end of the sizing tank, and the first dipping roller and the second dipping roller are respectively arranged on two sides of the bottom end of the sizing tank; the fifth sizing roller is arranged on one side of the sizing outlet; the positioning roller is arranged at the bottom end of the air inlet pipe; the carbon fiber bundle penetrates through the sizing inlet, sequentially passes through the first sizing roller, the second sizing roller, the third sizing roller, the first impregnation roller, the second impregnation roller, the fourth sizing roller, the positioning roller and the fifth sizing roller, penetrates through the sizing outlet and penetrates out of the sizing shell;
the fiber splitting and sizing device comprises a workbench, a boss, a guide roller bracket, a guide roller, a frame, a pair roller bracket, an upper pair roller, a hydraulic rod and a lower pair roller, wherein the boss is arranged on one side of the upper surface of the workbench and fixedly connected with the workbench through a fastener; the guide roller bracket is arranged on the upper surface of the boss, the guide roller bracket is vertically and fixedly connected with the boss, and the guide roller is rotationally connected with the guide roller bracket; the frame is arranged on the upper surface of the workbench, and four feet of the frame are vertically and fixedly connected with four corners of the workbench; the pair roller brackets are arranged on two sides of the frame, and each pair roller bracket is vertically and fixedly connected with the frame; the upper pair rollers are rotatably connected with the pair roller brackets, and upper pair roller partition plates are arranged on the outer walls of the upper pair rollers in the circumferential direction; the hydraulic rods are arranged on two sides of the upper surface of the workbench and fixedly connected with the workbench through fasteners; the lower pair rollers comprise lower pair roller shafts, lower pair roller partition plates, lower rollers and lower roller bearings, the lower pair roller partition plates are circumferentially arranged on the outer walls of the lower pair roller shafts, the lower rollers are arranged between the two lower pair roller partition plates, each lower roller is rotatably connected with the lower pair roller shafts through the lower roller bearings, and lower pair roller grooves are formed between the two lower rollers; the lower pair rollers are fixedly connected with the side ends of the hydraulic rods through two ends;
the drying device comprises a drying shell, a drying inlet, a drying outlet, a partition plate, a preheating section roller, a drying section roller, a heating pipe, a return air inlet, a return air fan, a main air pipe, a preheating air pipe, a circulating air pipe, a fresh air pipe, a circulating fan, an air outlet and an air valve; the drying shell is in a cuboid shape and is of a hollow structure; the drying inlet is arranged on one side of the drying shell, and the drying outlet is arranged on the other side of the drying shell; the partition plate is arranged in the drying shell, a transfer port is formed in the partition plate, a preheating cavity is formed by the partition plate and one side of the drying shell, and exhaust holes of the preheating cavity are formed in the outer walls of the two sides of the preheating cavity; the preheating section roller is arranged in the preheating cavity, and two ends of the preheating section roller are rotatably connected with the preheating cavity; the partition plate and the other side of the drying shell form a drying cavity, the drying section roller is arranged in the drying cavity, and two ends of the drying section roller are rotatably connected with the drying cavity; the heating pipes are arranged at the top end and the bottom end in the drying cavity; the air return inlet is arranged on one side of the top end of the drying cavity, and the air return fan is arranged on the top end of the air return inlet and is fixedly connected with the air return inlet through a fastener; the main air pipe is arranged at the top end of the return air fan and is of an L-shaped structure; the top end of the preheating air pipe is vertically communicated with one end of the main air pipe, and the bottom end of the preheating air pipe penetrates through the top end of the preheating cavity and extends into the preheating cavity; the top end of the circulating air pipe is vertically communicated with the middle end of the main air pipe, and the bottom end of the circulating air pipe penetrates through the top end of the drying cavity and extends into the drying cavity; the fresh air pipe is communicated with one side of the top end of the circulating air pipe; the circulating fan is arranged on one side of the bottom end of the circulating air pipe; the air outlet is arranged on one side of the circulating fan and is fixedly connected with the circulating fan through a fastener; the air valve is arranged at the top ends of the preheating air pipe and the circulating air pipe.
2. The special production tooling for high-strength carbon fibers according to claim 1, wherein the carbon fiber bundle sequentially passes through a sizing device, a fiber opening and shaping device and a drying device.
3. The special production tooling for high-strength carbon fibers according to claim 1, wherein the pre-spray water pump water outlet pipe is provided with a hanging rib and a pipe clamp, and the pre-spray water pump water outlet pipe is matched with the pipe clamp through the hanging rib to realize fixed connection with the inner top surface of the sizing housing.
4. The special production tooling for high-strength carbon fibers according to claim 1, wherein the spray pipe is arranged between the first sizing roller and the second sizing roller, and the carbon fiber bundle passes through the spray pipe.
5. The special production tooling for high-strength carbon fibers according to claim 1, wherein the number of the upper pair of rollers is three, each upper pair of rollers is arranged between the pair of roller supports on both sides, and both ends of each upper pair of rollers are in rotating connection with the pair of roller supports through bearing fit.
6. The special production tooling for high-strength carbon fibers as claimed in claim 1, wherein the width and position of each lower roller correspond to the distance and position between two upper pair of roller baffles, and each lower roller is clamped between two upper pair of roller baffles.
7. The special production tooling for high-strength carbon fibers according to claim 1, wherein the width and position of the lower pair of roller slots are adapted to the width and position of the upper pair of roller partition plates, the depth of the lower pair of roller slots is slightly greater than the height of the upper pair of roller partition plates, and each upper pair of roller partition plates is clamped into the lower pair of roller slots.
8. The special production tooling for high-strength carbon fibers according to claim 1, wherein the hydraulic rod is provided with a distance sensor, and the distance sensor is connected with an external hydraulic rod controller.
9. The special production tooling for high-strength carbon fibers according to claim 1, wherein the number of the preheating section rollers is two, the two preheating section rollers are obliquely arranged, and two ends of each preheating section roller are matched with bearings to realize rotary connection with the preheating cavity.
10. The special production tooling for high-strength carbon fibers according to claim 1, wherein the number of the drying section rollers is eight, every two drying section rollers are obliquely arranged, and two ends of each drying section roller are matched with bearings to realize rotary connection with the drying cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112680901B (en) * | 2019-10-18 | 2023-09-01 | 中国石油化工股份有限公司 | Large-tow carbon fiber sizing device and sizing method |
| CN111893668B (en) * | 2020-07-07 | 2023-07-14 | 山西钢科碳材料有限公司 | Homogenization treatment device and method and preparation method of polyacrylonitrile-based carbon fiber |
| CN114182451A (en) * | 2021-12-09 | 2022-03-15 | 海宁市茂顺纺织有限公司 | Antistatic treatment device for antistatic multi-surface flexible velvet fabric |
| CN115652480B (en) * | 2022-10-27 | 2023-12-08 | 丹阳海泰新材料科技有限公司 | Multifunctional processing equipment for carbon fiber tows |
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