CN117103740A - Preparation equipment of carbon fiber prepreg resin film - Google Patents
Preparation equipment of carbon fiber prepreg resin film Download PDFInfo
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- CN117103740A CN117103740A CN202311384864.3A CN202311384864A CN117103740A CN 117103740 A CN117103740 A CN 117103740A CN 202311384864 A CN202311384864 A CN 202311384864A CN 117103740 A CN117103740 A CN 117103740A
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- roller
- frame
- hot melt
- cooling
- film
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- 229920005989 resin Polymers 0.000 title claims abstract description 120
- 239000011347 resin Substances 0.000 title claims abstract description 120
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 30
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000009413 insulation Methods 0.000 claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 238000002844 melting Methods 0.000 claims abstract description 23
- 230000008018 melting Effects 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000012943 hotmelt Substances 0.000 claims description 130
- 239000007788 liquid Substances 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 27
- 239000003973 paint Substances 0.000 claims description 26
- 238000010030 laminating Methods 0.000 claims description 22
- 230000002742 anti-folding effect Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 14
- 239000007888 film coating Substances 0.000 claims description 12
- 238000009501 film coating Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Coating Apparatus (AREA)
Abstract
The application relates to preparation equipment of a carbon fiber prepreg resin film, which belongs to the technical field of carbon fiber prepregs and comprises a base, a first substrate roller, a winding roller, a hot melting mechanism, a film forming mechanism, a cooling mechanism and a film covering mechanism, wherein a heat insulation chamber is arranged on the base; the application has the advantages that the film forming thickness error of the resin film is reduced, and the labor cost is reduced.
Description
Technical Field
The application relates to the technical field of carbon fiber prepregs, in particular to preparation equipment of a carbon fiber prepreg resin film.
Background
The carbon fiber prepreg is a composite material obtained by compounding epoxy resin on carbon fibers through a stack-pressing technology, is an intermediate material for manufacturing the composite material, and is widely applied to the fields of fishing tackles, sports equipment, sports goods, aerospace, military industry and the like.
The carbon fiber prepreg is generally prepared by a hot-melt method, which is divided into two steps of resin film preparation and impregnation. The preparation of the resin film refers to the process of coating resin on release paper in advance and forming the film; the impregnation is a process of combining the spread carbon fiber tows with a resin film which is coated on release paper in advance under the action of pressure and temperature, and then forming a carbon fiber prepreg finished product through the processes of cooling, paper collection, film coating, coiling and the like.
At present, in the process of preparing a resin film, a press roll device is generally used, after a required hot-melt resin press roll gap is manually adjusted, hot-melt epoxy resin is directly pressed onto release paper to form a film and cool, a required film-covering press roll gap is manually adjusted, a PE film is covered on the surface of the resin film by a press roll to protect the resin film, and then the resin film is rolled up for impregnation.
In view of the above-mentioned related art, the inventors consider that, since the conventional press roll apparatus needs to manually adjust the hot-melt press roll gap and the required film-coating press roll gap, in the process of manually adjusting the gap multiple times, it is difficult for manual operation to keep the gap of each adjusted roll to be an accurate value, so that a situation that the gap of each adjusted roll is not adapted occurs, resulting in a certain film-forming thickness error in the film-forming process of the resin film; meanwhile, the two-way valve cannot be adjusted simultaneously, so that a plurality of people are required to cooperate, and more labor cost is generated.
Disclosure of Invention
In order to reduce the film thickness error of the resin film and reduce the labor cost, the application provides equipment for preparing the carbon fiber prepreg resin film.
The preparation equipment of the carbon fiber prepreg resin film provided by the application adopts the following technical scheme:
a preparation device of a carbon fiber prepreg resin film comprises
The base station is provided with a heat insulation chamber in the middle, and the heat insulation chamber is respectively provided with a placing window for placing a resin plate, a feeding port for inputting release paper and a discharging port for outputting release paper;
the first substrate roller is arranged at the head end of the base station and is used for conveying release paper;
the winding roller is arranged at the tail end of the base station and is used for winding release paper;
wherein, the release paper is always in a tensioning state;
the hot melting mechanism is arranged in the heat insulation chamber and is used for hot melting the resin plate;
the film forming mechanism is arranged in the heat insulation chamber and comprises a hot melt roller, a coating roller and a film forming roller, wherein the hot melt roller is in butt joint with the hot melt mechanism and is used for conveying hot melt resin to the coating roller;
the coating roller is positioned below the hot melt roller and is used for forming a film for the first time by matching with the hot melt roller to the hot melt resin and conveying the film to the film forming roller;
the film forming roller is positioned below the coating roller and is used for conveying release paper, and meanwhile, the coating roller is matched to cover a resin film on the release paper;
the heat insulation chamber is provided with a first guide groove, a first lifter is arranged outside the heat insulation chamber, and a lifting rod of the first lifter is fixedly connected with a paint roller motor and is used for adjusting the gap between the paint roller and the hot melt roller as well as between the paint roller and the film forming roller;
the cooling mechanism is arranged on the base station, is positioned between the heat insulation chamber and the winding roller and is used for cooling the resin film on the release paper;
the laminating mechanism is arranged on the base station and comprises a mounting frame, a second lifter, a second substrate roller, a laminating roller and a positioning roller; the mounting frame is arranged between the cooling mechanism and the winding roller;
the second substrate roller is arranged on the mounting frame and is used for conveying the PE film;
the laminating roller and the positioning roller are both arranged in the mounting frame, the laminating roller is arranged right above the positioning roller, the cooled release paper is conveyed from the positioning roller to the winding roller, and the laminating roller is used for laminating PE film on the resin film of the release paper in cooperation with the positioning roller;
a second guide groove is formed in the mounting frame, a second lifter is mounted outside the mounting frame, and a lifting rod of the second lifter is fixedly connected with a motor of the laminating roller and is used for driving the laminating roller to displace so as to adjust the gap between the laminating roller and the positioning roller;
the base station is also provided with a central control box which is positioned at one side of the heat insulation chamber, the central control box is provided with a central control platform, the central control box is respectively electrically connected with the first lifter and the second lifter, and the first lifter and the second lifter can be controlled to work simultaneously by taking input parameters as standards.
By adopting the technical scheme, as the central control box is electrically connected with the first lifter and the second lifter respectively, an operator can control the first lifter and the second lifter to work through the central control box, so that the gaps between the coating roller and the hot melt roller as well as between the coating roller and the film forming roller as well as between the coating roller and the positioning roller can be automatically adjusted, and the gaps do not need to be manually adjusted by a plurality of people, so that the labor cost is reduced; meanwhile, the central control box can control the first lifter and the second lifter to work simultaneously, and the gap of each regulated roller is accurately controlled by taking the input parameter as a standard, so that the gap of each regulated roller can be synchronously adapted, and the film forming thickness error of the resin film is reduced.
Optionally, the first guide groove is arranged along the length trend of the vertical line of the midpoint of the connecting line of the circle centers of the cross sections of the hot melt roller and the film forming roller, the lifting rod of the first lifter and the first guide groove are arranged in the same direction, and the circle center of the cross section of the coating roller is always positioned on the vertical line of the midpoint of the connecting line of the circle centers of the cross sections of the hot melt roller and the film forming roller;
when the first lifter drives the paint roller to move, the gap variation between the hot melt roller and the paint roller is consistent with the gap variation between the paint roller and the film forming roller.
Through adopting above-mentioned technical scheme, when first lift drove the paint roller motion, the clearance variation between hot melt roller and the paint roller is unanimous with the clearance variation between paint roller and the film-forming roller all the time for the thickness of the first resin film formation of hot melt roller and paint roller can keep unanimous with the coated resin film thickness of paint roller and film-forming roller on release paper, thereby can further reduce resin film thickness error.
Optionally, the central console is electrically connected with the first substrate roller, the hot melting mechanism, the film forming mechanism, the cooling mechanism, the film covering mechanism and the wind-up roller respectively, and is used for cooperatively controlling the preparation equipment of the carbon fiber prepreg resin film to work.
Optionally, an observation ladder and a placement frame are further installed on the base, the observation ladder is located between the heat insulation chamber and the first substrate roller and used for enabling an operator to stand and put the resin plate into the hot melting mechanism through the placement window, meanwhile, the hot melting state of the hot melting plate is observed, and the placement frame is located between the observation ladder and the first substrate roller and used for enabling the operator to temporarily place the resin plate or the tool;
wherein, all offer the current groove on observing ladder and the rack for make from the paper through observing ladder and rack by the pan feeding mouth entering thermal-insulated indoor.
Through adopting above-mentioned technical scheme, owing to observe ladder and rack's setting for operating personnel can stand by observing the ladder and put into the resin board in to the hot melt mechanism through placing the window, can place resin board or instrument on the rack in the transient time simultaneously.
Optionally, still install the driven voller of several on the base station, the driven voller is located between rack and the first substrate roller respectively, observe the passing trough of ladder and rack, is provided with pan feeding roller and discharge roller on the heat-insulating chamber, and the pan feeding roller is installed in the pan feeding mouth, and the discharge roller is installed in the discharge gate, driven voller, pan feeding roller and discharge roller cooperation for spread from the type paper.
Optionally, the cooling mechanism comprises a cooling rack, a cooling plate and a cooling bellows, the cooling rack is additionally arranged on the base, the cooling plate is arranged on the cooling rack, the cooling plate is a metal plate and is obliquely downwards arranged from the discharge hole to the film covering mechanism, the cooling rack is provided with anti-folding rollers which are respectively positioned at two ends of the cooling plate, the extension surfaces of the upper surface and the lower surface of the cooling plate are tangential surfaces of the cross section circle of the anti-folding rollers, the cooling bellows is arranged in the cooling rack, and the air outlet direction always faces the cooling plate;
the release paper output from the discharge port is paved on the cooling plate for cooling after passing through the anti-folding roller at the initial end of the transmission, and is continuously processed and transmitted by the film covering mechanism after passing through the anti-folding roller at the tail end of the transmission.
Optionally, still be provided with calibration mechanism on the base station, calibration mechanism includes calibration frame, calibration guide rail, step motor and laser rangefinder, calibration frame installs on the base station, and stride the cooling rack setting, the calibration guide rail is laid on the upper portion frame below lateral wall of calibration frame, step motor installs on the calibration guide rail, laser rangefinder installs on step motor, and can do reciprocating motion on the calibration guide rail along with step motor, laser rangefinder's range finding probe is towards the cooling plate setting all the time, and step motor and laser rangefinder are connected with well accuse case electricity respectively.
Through adopting above-mentioned technical scheme, when the release paper with the resin film passes through and cools off on the cooling plate, laser range finder is at reciprocating motion's in-process, through measuring the distance length variation of resin film and laser range finder, can judge whether the resin film thickness is compound parameter standard to further reduce resin film thickness error.
Optionally, the hot melt mechanism includes hot melt frame and leading-in frame, hot melt frame and leading-in frame are all installed in the thermal insulation chamber, leading-in frame is used for exporting hot melt resin to hot melt roller, hot melt frame is located leading-in frame top, and set up downwards towards leading-in frame slope, install the backplate on the hot melt frame support body, the inside fluting of hot melt frame support body is used for placing the resin board, first hot plate has been buried in the hot melt frame support body, be used for the hot melt resin board, the hot melt frame support body is towards the partial opening of observation window, install first collection arch on the hot melt frame support body, first collection arch is located the opening part of hot melt frame support body;
wherein, after the resin after hot melting is accumulated in the grooves of the frame body of the hot melting frame through the first collecting protrusions, the resin flows into the guide frame through the openings of the hot melting frame after passing through the first collecting protrusions.
Optionally, the leading-in frame slope downwards towards the hot melt roller setting, leading-in frame and hot melt roller butt, and the leading-in frame is close to the end opening of hot melt roller, offer the collecting tank in the leading-in frame body, be used for accumulating the hot melt resin that flows in by the hot melt frame, the leading-in frame is buried in, be used for making the hot melt resin keep the hot melt state, still install the second on the leading-in frame and collect protruding, keep off liquid board and rotating electrical machines, the protruding setting that is close to leading-in frame opening that is collected to the second, keep off liquid board rotation setting is in leading-in frame, rotating electrical machines installs outside leading-in frame, be used for driving keep off liquid board rotation.
Through adopting above-mentioned technical scheme, keep off liquid board one end and protruding butt of second collection for after the hot melt resin can gather to certain discharge in the collecting vat, rotate motor drive and keep off liquid board and rotate, make keep off liquid board and the protruding piece of second collection leave the clearance, hot melt resin accessible this clearance outflow, the quantity that hot melt resin flowed to the hot melt roller through this clearance keeps unanimous with the quantity that flows into the collecting vat by the hot melt frame, in order to steady quantitative flow to the hot melt roller on, thereby further reduced film thickness error.
Optionally, the baffle plates are installed at the roller shaft two ends of the first substrate roller, the second substrate roller and the wind-up roller, and are used for preventing coiled materials from moving along the length direction of the roller shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
1. because the central control box is electrically connected with the first lifter and the second lifter respectively, an operator can control the first lifter and the second lifter to work through the central control box, so that the gaps between the coating roller and the hot melt roller as well as between the film coating roller and the positioning roller are automatically adjusted, and the gaps do not need to be manually adjusted by a plurality of people, thereby reducing the labor cost;
2. the central control box can control the first lifter and the second lifter to work simultaneously, and the gap of each regulated roller is accurately controlled by taking the input parameter as a standard, so that the gap of each regulated roller can be synchronously adapted, and the film forming thickness error of the resin film is reduced;
3. when the first lifter drives the coating roller to move, the gap variation between the hot melt roller and the coating roller is consistent with the gap variation between the coating roller and the film forming roller, so that the thickness of the primary resin film formed by the hot melt roller and the coating roller is consistent with the thickness of the coated resin film on the release paper by the coating roller and the film forming roller, and the film forming thickness error of the resin film can be further reduced;
4. when the release paper with the resin film passes through the cooling plate and is cooled, the laser distance meter can judge whether the film thickness of the resin film is in a composite parameter standard or not by measuring the distance length variation of the resin film and the laser distance meter in the reciprocating motion process, so that the film thickness error of the resin film is further reduced;
5. one end of the liquid baffle can be abutted with the second collecting protrusion, so that after the hot melt resin can be gathered to a certain discharge amount in the liquid collecting groove, the motor is rotated to drive the liquid baffle to rotate, a gap is reserved between the liquid baffle and the second collecting protrusion, the hot melt resin can flow out through the gap, and the amount of the hot melt resin flowing into the hot melt roller through the gap is consistent with the amount of the hot melt resin flowing into the liquid collecting groove from the hot melt frame, so that the film forming thickness error is further reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view showing the inside of the heat-insulating chamber;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 4 is a partially enlarged schematic illustration of portion B of FIG. 2;
FIG. 5 is a cross-sectional view for highlighting the hot melt frame;
FIG. 6 is a cross-sectional view for highlighting the lead-in frame;
FIG. 7 is a cross-sectional view highlighting the cooling mechanism and the calibration mechanism.
In the figure, 1, a base station; 11. a central control box; 12. a thermally insulated chamber; 121. placing a window; 122. a feed inlet; 123. a discharge port; 124. a feeding roller; 125. a discharge roller; 126. a first guide groove; 13. observing the ladder; 14. a placing rack; 15. driven roller; 16. a first elevator; 2. a first substrate roll; 3. a hot melt mechanism; 31. a hot melt frame; 311. a guard board; 312. a hot melt guard plate; 313. a first collection protrusion; 314. a first heating plate; 32. an introduction rack; 321. a liquid collecting tank; 322. a second collection protrusion; 323. a liquid baffle; 324. a rotating motor; 4. a film forming mechanism; 41. a hot melt roll; 42. a paint roller; 43. a film forming roller; 5. a cooling mechanism; 51. a cooling rack; 511. an anti-folding roller; 52. a cooling plate; 53. cooling the bellows; 6. a calibration mechanism; 61. a calibration frame; 62. calibrating the guide rail; 63. a stepping motor; 64. a laser range finder; 7. a film covering mechanism; 71. a mounting frame; 711. a second guide groove; 72. a second lifter; 73. a second substrate roll; 74. a film laminating roller; 75. a positioning roller; 8. a wind-up roll; 9. and a striker plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses equipment for preparing a carbon fiber prepreg resin film.
Referring to fig. 1, a manufacturing apparatus of a carbon fiber prepreg resin film includes a base 1, a first base roller 2, a hot-melt mechanism 3, a film-forming mechanism 4, a cooling mechanism 5, a calibration mechanism 6, a film-covering mechanism 7, and a wind-up roller 8, all of which are mounted on the base 1, the first base roller 2, the hot-melt mechanism 3, the film-forming mechanism 4, the cooling mechanism 5, the calibration mechanism 6, the film-covering mechanism 7, and the wind-up roller 8.
Referring to fig. 1 and 2, the base 1 is a strip-shaped table, and the roller shaft directions of the first substrate roller 2 and the wind-up roller 8 are both set along the horizontal direction perpendicular to the length trend of the base 1. The first substrate roller 2 is installed in base 1 one end, and the roller of first substrate roller 2 is rotated along clockwise by motor drive for carry from the type paper, and from the type scroll dismantles the replacement on the roller of first substrate roller 2. The wind-up roll 8 is installed at the other end of the base 1, the roll shaft of the wind-up roll 8 is driven by a motor to rotate along the anticlockwise direction for winding the finished release paper, and the release paper roll can be detached and replaced on the roll shaft of the wind-up roll 8, so that the release paper always keeps a tensioning state in the conveying and processing process.
Referring to fig. 1 and 2, a heat insulation chamber 12 is fixed to the middle of the base 1, and the hot-melt mechanism 3 and the film forming mechanism 4 are installed in the heat insulation chamber 12. The base station 1 is also provided with a central control box 11, the central control box 11 is fixed on one side of the heat insulation chamber 12 along the length trend of the base station 1, the central control box 11 is installed on the upper portion of the side wall of the central control box 11 facing the first substrate roller 2, an operator can input parameters to be regulated to the central control box 11 through the central control box, and meanwhile, the data fed back in real time can be observed through the central control box. The central control box 11 is electrically connected with the first substrate roller 2, the hot melting mechanism 3, the film forming mechanism 4, the cooling mechanism 5, the calibrating mechanism 6, the film covering mechanism 7 and the winding roller 8 respectively and is used for cooperatively controlling the preparation equipment of the carbon fiber prepreg resin film to work.
Referring to fig. 1 and 2, the heat insulating chamber 12 is provided with a placement window 121 toward the upper portion of the side wall of the first base material roll 2, the resin plate is released from the heat releasing mechanism 3 through the placement window 121. The lower part of the side wall of the heat insulation chamber 12 facing the first substrate roller 2 is provided with a feed inlet 122, the middle part of the side wall of the heat insulation chamber 12 facing the wind-up roller 8 is provided with a discharge outlet 123, release paper enters the heat insulation from the feed inlet 122, is laid on the film forming mechanism 4 inwards, and the release paper coated with the resin film is conveyed out of the heat insulation chamber 12 from the discharge outlet 123. A feeding roller 124 is rotatably connected to the feeding port 122, a discharging roller 125 is rotatably connected to the discharging port 123, the release paper enters the heat insulation chamber 12 from the lower part of the feeding roller 124, and is discharged from the heat insulation chamber 12 from the upper part of the discharging roller 125.
Referring to fig. 1 and 2, an observation ladder 13 and a placement frame 14 are further installed on the base 1, the placement frame 14 is located between the heat insulation chamber 12 and the first substrate roller 2, and a placement platform is provided at an upper portion of the placement frame 14 for an operator to place a resin plate or tool for a short time. The observation ladder 13 is located between the placement frame 14 and the heat insulation chamber 12, the observation ladder 13 is respectively abutted with the placement frame 14 and the heat insulation chamber 12, the steps of the observation ladder 13 are increased from the placement frame 14 to the heat insulation chamber 12, the observation window is used for enabling an operator to stand and put a resin plate into the hot melting mechanism 3 through the placement window 121, and meanwhile the hot melting condition of the hot melting plate is observed.
Referring to fig. 1 and 2, the observation ladder 13 and the placement frame 14 are penetrated, and the observation ladder 13 is provided with a passage opening toward the side wall of the heat insulation chamber 12, and the position of the passage opening corresponds to the position of the feed opening 122. The side wall of the placing frame 14 facing the first substrate roller 2 is provided with a passing groove, and the passing groove corresponds to the passing groove of the observation ladder 13. A driven roller 15 is mounted on the base 1 between the placing frame 14 and the first substrate roller 2, the driven roller 15 is mounted in the passing grooves of the observing ladder 13 and the placing frame 14, after the release paper is transferred out from the lower part of the first substrate roller 2, the release paper is conveyed into the heat insulation chamber 12 through the lower part of each driven roller 15, and the driven roller 15, the feeding roller 124 and the discharging roller 125 are matched together for spreading the release paper.
Referring to fig. 1, 2, and 4, the heat-fusing mechanism 3 includes a heat-fusing frame 31 and an introduction frame 32, the heat-fusing frame 31 and the introduction frame 32 are both installed in the heat-insulating chamber 12, the heat-fusing frame 31 is located above the introduction frame 32 and is disposed obliquely downward toward the introduction frame 32, and the heat-fusing frame 31 is used to fuse a resin sheet and transfer the heat-fusing resin to the introduction frame 32. The introduction frame 32 is provided obliquely downward toward the film forming mechanism 4, and the introduction frame 32 is abutted against the film forming mechanism 4, and the introduction frame 32 is for receiving the hot melt resin from the hot melt frame 31, accumulating the hot melt resin, and transferring it to the hot melt mechanism 3.
Referring to fig. 2, 4 and 5, the inside of the frame body of the hot melt frame 31 is grooved, both sides of the hot melt frame 31 along its length are fixed with guard plates 311, the resin plate is accumulated in the slot of the frame body of the hot melt frame 31 and is clamped and protected by the guard plate 311. The first heating plate 314 is buried in the bottom of the frame body of the hot melt frame 31, the first heating plate 314 is arranged along the length trend of the hot melt frame 31, the first heating plate 314 is electrically connected with the central control box 11, and the central control box 11 can control the heating temperature and the heating time length of the first heating plate 314, so that the resin plate placed in the hot melt frame 31 is hot melted. The frame body of the hot melt frame 31 is provided with a first collecting protrusion 313 towards the partial opening of the observation window, the frame body of the hot melt frame 31 is provided with a first collecting protrusion 313 which is positioned at the front end of the opening of the frame body of the hot melt frame 31, and the first collecting protrusion 313 is arranged along the width trend of the hot melt frame 31 and is fixed on the inner groove wall of the hot melt frame 31.
After the resin after the heat fusion is accumulated in the grooves of the frame body of the heat fusion frame 31 through the first collecting protrusion 313, the resin flows into the introducing frame 32 through the opening of the heat fusion frame 31 after passing through the first collecting protrusion 313.
Referring to fig. 2, 4 and 6, the introduction frame 32 is opened near the end of the film forming mechanism 4, a liquid collecting tank 321 is provided in the frame body of the introduction frame 32, and the hot-melt resin flowing in from the hot-melt frame 31 enters the introduction frame 32 and is collected in the liquid collecting tank 321. The second heating plate is buried at the bottom of the lead-in frame 32, is arranged along the length trend of the lead-in frame 32, is electrically connected with the central control box 11, and the central control box 11 can control the heating temperature and the heating time of the second heating plate, so that the hot-melt resin is kept in a hot-melt state. The second collecting protrusion 322, the liquid baffle 323 and the rotating motor 324 are further installed on the leading-in frame 32, the second collecting protrusion 322 is close to the opening of the leading-in frame 32, and the second collecting protrusion 322 is arranged along the width trend of the hot melt frame 31 and is fixed on the inner wall of the leading-in frame 32 where the liquid collecting groove 321 is located. The liquid baffle 323 is located between the second collecting protrusion 322 and the discharging opening of the introducing frame 32, and the liquid baffle 323 can abut against the side portion of the second collecting protrusion 322, which is close to the observation window. The rotating motors 324 are respectively installed outside two side walls of the guide frame 32 along the length direction of the guide frame 32, the rotating shafts of the rotating motors 324 are arranged along the length direction of the guide frame 32 and fixedly connected with two end faces of the liquid baffle 323 along the length direction of the guide frame 32 after penetrating through the side walls of the guide frame 32, and the rotating motors 324 are electrically connected with the central control box 11 so as to drive the liquid baffle 323 to rotate in the anticlockwise direction.
The liquid baffle 323 is abutted against the second collecting protrusion 322, the discharging opening of the leading-in frame 32 is closed, when the hot melt resin is gathered to a certain discharging amount in the liquid collecting groove 321, the central control box 11 controls the rotating motor 324 to drive the liquid baffle 323 to rotate, so that a gap is reserved between the liquid baffle 323 and the second collecting protrusion 322, and the hot melt resin can flow out through the gap. The amount of the hot-melt resin flowing through the gap to the film forming mechanism 4 is kept equal to the amount of the hot-melt resin flowing from the hot-melt frame 31 into the liquid collecting tank 321, so that the hot-melt resin flows onto the film forming mechanism 4 at a stable flow rate.
Referring to fig. 2 and 4, the film forming mechanism 4 includes a hot-melt roller 41, a paint roller 42, and a film forming roller 43, and the roller shafts of the hot-melt roller 41, the paint roller 42, and the film forming roller 43 are all disposed along the width direction of the base 1. The heat-melting roller 41 is located below the introduction frame 32, and the upper portion of the heat-melting roller 41 abuts against the output opening of the introduction frame 32. The coating roller 42 is positioned below the hot-melt roller 41, the film forming roller 43 is positioned below the coating roller 42, and the center of the cross section of the coating roller 42 is always positioned on the vertical line of the connecting line of the center of the cross section of the hot-melt roller 41 and the center of the cross section of the film forming roller 43. The roller shafts of the hot-melt roller 41 and the film-forming roller 43 are all positioned in the heat-insulating chamber 12 and are all driven to rotate by a motor, the motors of the hot-melt roller 41 and the film-forming roller 43 are all fixed on the inner wall of the heat-insulating chamber 12, the hot-melt roller 41 rotates in the clockwise direction, and the film-forming roller 43 rotates in the anticlockwise direction. The release paper is fed into the heat insulation chamber 12 by the feed roller 124, and then conveyed from the upper portion of the film forming roller 43 to the upper portion of the discharge roller 125. The side walls of the heat insulation chamber 12 along the two sides of the length direction of the base 1 are symmetrically provided with first guide grooves 126, and the first guide grooves 126 are arranged along the length direction of a perpendicular line connecting the center of the cross section of the hot melt roller 41 and the center of the cross section of the film forming roller 43. The motors of the applicator roll 42 are in one-to-one correspondence with the first guide slots 126 and are all located outside the insulated chamber 12. The two ends of the roller shaft of the paint roller 42 respectively penetrate through the first close guide groove 126 and are fixedly connected with the close motor rotating shaft, and the paint roller 42 rotates in the anticlockwise direction. The heat insulating chamber 12 is provided with first lifters 16, the first lifters 16 are in one-to-one correspondence with the first guide grooves 126, and the first lifters 16 are fixed at positions near the end portions of the corresponding first guide grooves 126 of the first base material roller 2. The lifter of the first lifter 16 is all set up along the length trend of the first guide slot 126, and all set up towards the wind-up roll 8, and the lifter tip of the first lifter 16 is respectively with corresponding coating roller 42 motor fixed connection, and the first lifter 16 is all connected with well accuse case 11 electricity for adjust the clearance of coating roller 42 with hot melt roller 41 and film forming roller 43.
When the first lifter 16 drives the paint roller 42 to move, the amount of change in the gap between the hot-melt roller 41 and the paint roller 42 is always identical to the amount of change in the gap between the paint roller 42 and the film-forming roller 43, so that the thickness of the primary resin film formed by the hot-melt roller 41 and the paint roller 42 can be kept identical to the thickness of the coated resin film on the release paper by the paint roller 42 and the film-forming roller 43.
Referring to fig. 1 and 7, the cooling mechanism 5 is located between the heat insulation chamber 12 and the wind-up roller 8, and is disposed close to the heat insulation chamber 12. The cooling mechanism 5 includes a cooling rack 51, a cooling plate 52 and a cooling bellows 53, the cooling rack 51 is mounted on the base 1, the cooling plate 52 is a metal plate, in this embodiment, the cooling plate 52 may be a copper plate, the cooling plate 52 is disposed along the length direction of the base 1, and disposed obliquely downward along the heat insulation chamber 12 toward the wind-up roll 8, and two ends of the cooling plate 52 are respectively fixedly mounted on the cooling rack 51. The cooling bellows 53 is located in the cooling rack 51, the cooling bellows 53 is fixedly mounted on the base 1, the air outlet face of the cooling bellows 53 is parallel to the cooling plate 52, and the air outlet direction of the cooling bellows 53 always faces the side wall of the lower portion of the cooling plate 52. The cooling air box 53 is electrically connected with the central control box 11, and the central control box 11 can control the air output, the air output temperature and the air output duration of the cooling air box 53.
The cooling rack 51 is provided with the anti-folding roller 511, the anti-folding roller 511 is respectively positioned at two ends of the cooling plate 52, the anti-folding roller 511 is rotationally connected with the cooling rack 51, and the extension surfaces of the upper surface and the lower surface of the cooling plate 52 are the tangential surfaces of the cross section circles of the anti-folding roller 511, so that the extrusion of release paper by the edges at the end parts of the cooling plate 52 can be reduced. The release paper output from the discharge hole 123 is cooled by being laid on the cooling plate 52 after passing through the anti-folding roller 511 at the initial end of the transmission, and then is transmitted after passing through the anti-folding roller 511 at the tail end of the transmission.
Referring to fig. 1 and 7, the calibration mechanism 6 includes a calibration frame 61, a calibration guide rail 62, a stepping motor 63, and a laser range finder 64, the calibration frame 61 is a portal frame, the calibration frame 61 is mounted on the base 1, the cooling rack 51 is penetrated by the inside of the calibration frame 61, the calibration guide rail 62 is laid on the side wall below the upper frame of the calibration frame 61, the stepping motor 63 is mounted on the calibration guide rail 62, the laser range finder 64 is mounted on the stepping motor 63, and can reciprocate on the calibration guide rail 62 with the stepping motor 63, and the range finder of the laser range finder 64 is always set toward the cooling plate 52. The central control box 11 is electrically connected with the stepping motor 63 and the laser range finder 64 respectively, so as to control the travelling speed and the duration of the stepping motor 63 and analyze the range finding parameters of the laser range finder 64.
When the release paper with the resin film passes through the cooling plate 52 and is cooled, the laser distance meter 64 can judge whether the film thickness of the resin film is in accordance with the parameter standard by measuring the distance length variation between the resin film and the laser distance meter 64 in the reciprocating process.
Referring to fig. 1 and 3, the film coating mechanism 7 is located between the cooling mechanism 5 and the wind-up roll 8, and includes a mounting frame 71, a second lifter 72, a second base material roll 73, a film coating roll 74, and a registration roll 75. The mounting frames 71 are respectively fixed to both sides of the base 1 along the length direction thereof, and correspond to each other. The roll shafts of the second substrate roll 73, the film covering roll 74 and the positioning roll 75 are arranged along the width trend of the base 1, the second substrate roll 73 is erected between the mounting frames 71 and is used for conveying PE film materials through motor driving rotation, the PE film material roll can be detached and replaced on the roll shaft of the second substrate roll 73, and the second substrate roll 73 rotates clockwise. The middle part of each mounting frame 71 is provided with a second guide groove 711 along the vertical direction, and the positions of the guide grooves are corresponding to each other. The positioning roller 75 is installed in the mounting frame 71 and located below the second guide groove 711, and the roller shaft end of the positioning roller 75 is rotatably connected with the side wall of the mounting frame 71 which is close to the positioning roller. The laminating rollers 74 are located between the second substrate roller 73 and the positioning roller 75, and motors of the laminating rollers 74 are in one-to-one correspondence with the second guide grooves 711 and are located outside the mounting frame 71. The two ends of the roller shaft of the laminating roller 74 respectively penetrate through the second guide groove 711 and are fixedly connected with the motor rotating shaft. The second lifters 72 are in one-to-one correspondence with the second guide grooves 711, and the second lifters 72 are fixed at the end positions of the second guide grooves 711 adjacent to the second base material roller 73, respectively. The lifting rods of the second lifter 72 are all arranged along the length trend of the second guide groove 711 and are all arranged towards the base 1, and the end parts of the lifting rods of the second lifter 72 are respectively and fixedly connected with the corresponding motors of the laminating rollers 74. The film coating roller 74 rotates clockwise, and the PE film fed out from the second base material roller 73 is fed from the lower portion of the film coating roller 74 to the take-up roller 8. When the release paper sent out by the cooling mechanism 5 passes between the film coating roller 74 and the positioning roller 75, the PE film is pressed by the film coating roller 74 to be coated on the vertical film of the release paper, and after the resin film coiled material to be used is formed, the resin film coiled material is sent to the winding roller 8 to be collected. The second lifters 72 are electrically connected to the central control box 11, and are used for adjusting the gap between the laminating roller 74 and the positioning roller 75.
Referring to fig. 1, a dam 9 is installed at both ends of the roll shafts of the first substrate roll 2, the second substrate roll 73 and the wind-up roll 8 for preventing the web from being displaced along the length of the roll shaft.
The implementation principle of the preparation equipment of the carbon fiber prepreg resin film provided by the embodiment of the application is as follows: when the resin film is prepared, after an operator places a resin plate on the hot-melt mechanism 3, the operator inputs parameters of the required resin film on a central console of the central control box 11, at the moment, the central control box 11 drives the first lifter 16 and the second lifter 72 to move simultaneously until the required press roll gap is regulated, the first substrate roller 2 starts to convey release paper, the second substrate roller 73 starts to convey PE film, and the winding roller 8 starts to wind the release paper; at this time, the release paper sent out by the first substrate roller 2 is coated by the film forming mechanism 4 through the heat insulation chamber 12, then the release paper is cooled through the cooling mechanism 5, meanwhile, the film forming thickness of the resin film is checked by the calibrating mechanism 6, then the release paper enters the film coating mechanism 7 to be attached with the PE film, and finally the release paper is wound by the winding roller 8.
Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An apparatus for preparing a carbon fiber prepreg resin film, characterized in that: comprising
The insulation device comprises a base station (1), wherein an insulation chamber (12) is arranged in the middle of the base station (1), and a placing window (121) for placing a resin plate, a feeding port (122) for inputting release paper and a discharging port (123) for outputting release paper are respectively formed in the insulation chamber (12);
the first substrate roller (2) is arranged at the head end of the base (1) and is used for conveying release paper;
the winding roller (8) is arranged at the tail end of the base station (1) and is used for winding release paper;
wherein, the release paper is always in a tensioning state;
a heat-melting mechanism (3) installed in the heat-insulating chamber (12) for heat-melting the resin plate;
a film forming mechanism (4) installed in the heat insulation chamber (12) and comprising a hot melt roller (41), a coating roller (42) and a film forming roller (43), wherein the hot melt roller (41) is abutted against the hot melt mechanism (3) and is used for conveying hot melt resin to the coating roller (42);
the coating roller (42) is positioned below the hot melt roller (41) and is used for being matched with the hot melt roller (41) to form a film for the first time on the hot melt resin and conveying the film to the film forming roller (43);
the film forming roller (43) is positioned below the coating roller (42) and is used for conveying release paper, and meanwhile, resin films are coated on the release paper by matching with the coating roller (42);
the heat insulation chamber (12) is provided with a first guide groove (126), a first lifter (16) is arranged outside the heat insulation chamber (12), and a lifting rod of the first lifter (16) is fixedly connected with a motor of the paint roller (42) and used for adjusting the gap between the paint roller (42) and the hot melting roller (41) and the film forming roller (43);
a cooling mechanism (5) which is installed on the base (1) and is positioned between the heat insulation chamber (12) and the winding roller (8) for cooling the resin film on the release paper;
the film coating mechanism (7) is arranged on the base (1) and comprises a mounting frame (71), a second lifter (72), a second substrate roller (73), a film coating roller (74) and a positioning roller (75); the mounting frame (71) is arranged between the cooling mechanism (5) and the winding roller (8);
the second substrate roller (73) is arranged on the mounting frame (71) and is used for conveying PE films;
the laminating roller (74) and the positioning roller (75) are both arranged in the mounting frame (71), the laminating roller (74) is arranged right above the positioning roller (75), the cooled release paper is conveyed from the positioning roller (75) to the winding roller (8), and the laminating roller (74) is used for laminating PE film on the resin film of the release paper in cooperation with the positioning roller (75);
a second guide groove (711) is formed in the mounting frame (71), a second lifter (72) is arranged outside the mounting frame (71), and a lifting rod of the second lifter (72) is fixedly connected with a motor of the laminating roller (74) and is used for driving the laminating roller (74) to displace so as to adjust the gap between the laminating roller (74) and the positioning roller (75);
the base station (1) is further provided with a central control box (11), the central control box (11) is located on one side of the heat insulation chamber (12), the central control box (11) is provided with a central control platform, the central control box (11) is respectively electrically connected with the first lifter (16) and the second lifter (72), and the first lifter (16) and the second lifter (72) can be controlled to work simultaneously by taking input parameters as standards.
2. The production apparatus of a carbon fiber prepreg resin film according to claim 1, wherein: the first guide groove (126) is arranged along the length trend of a perpendicular line of the midpoint of the connecting line of the center of the cross section of the hot melt roll (41) and the film forming roll (43), the lifting rod of the first lifter (16) and the first guide groove (126) are arranged in the same direction, and the center of the cross section of the coating roll (42) is always positioned on the perpendicular line of the midpoint of the connecting line of the center of the cross section of the hot melt roll (41) and the film forming roll (43);
wherein, when the first lifter (16) drives the paint roller (42) to move, the gap variation between the hot melt roller (41) and the paint roller (42) is consistent with the gap variation between the paint roller (42) and the film forming roller (43).
3. The production apparatus of a carbon fiber prepreg resin film according to claim 2, characterized in that: the central control box (11) is respectively electrically connected with the first substrate roller (2), the hot melting mechanism (3), the film forming mechanism (4), the cooling mechanism (5), the film covering mechanism (7) and the winding roller (8) and is used for cooperatively controlling the preparation equipment of the carbon fiber prepreg resin film to work.
4. A production apparatus of a carbon fiber prepreg resin film according to claim 3, characterized in that: an observation ladder (13) and a placing frame (14) are further arranged on the base station (1), the observation ladder (13) is located between the heat insulation chamber (12) and the first substrate roller (2) and is used for enabling an operator to stand and put a resin plate into the hot melting mechanism (3) through the placing window (121) and observe the hot melting condition of the hot melting plate, and the placing frame (14) is located between the observation ladder (13) and the first substrate roller (2) and is used for enabling the operator to temporarily place the resin plate or tools;
wherein, all offer on observing ladder (13) with rack (14) and pass the groove, be used for making from paper pass through observing ladder (13) with rack (14) by pan feeding mouth (122) get into in the heat-insulating chamber (12).
5. The production apparatus of a carbon fiber prepreg resin film according to claim 4, wherein: the novel automatic paper spreading machine is characterized in that a plurality of driven rollers (15) are further arranged on the base station (1), the driven rollers (15) are respectively arranged between the placing frame (14) and the first substrate roller (2), the observing ladder (13) and the passing groove of the placing frame (14), a feeding roller (124) and a discharging roller (125) are arranged on the heat insulation chamber (12), the feeding roller (124) is arranged in the feeding port (122), the discharging roller (125) is arranged in the discharging port (123), and the driven rollers (15), the feeding roller (124) and the discharging roller (125) are matched and used for spreading release paper.
6. The production apparatus of a carbon fiber prepreg resin film according to claim 5, wherein: the cooling mechanism (5) comprises a cooling bench (51), a cooling plate (52) and a cooling air box (53), wherein the cooling bench (51) is additionally arranged on the base (1), the cooling plate (52) is arranged on the cooling bench (51), the cooling plate (52) is a metal plate, the discharging hole (123) points to the film covering mechanism (7) and is arranged obliquely downwards, the cooling bench (51) is provided with an anti-folding roller (511), the anti-folding rollers (511) are respectively arranged at two ends of the cooling plate (52), extension surfaces of the upper surface and the lower surface of the cooling plate (52) are tangent planes of the cross section circle of the anti-folding roller (511), the cooling air box (53) is arranged in the cooling bench (51), and the air outlet direction always faces the cooling plate (52);
the release paper output by the discharge hole (123) is paved on the cooling plate (52) for cooling after passing through the anti-folding roller (511) at the initial end of transmission, and is continuously processed and transmitted by the film covering mechanism (7) after passing through the anti-folding roller (511) at the tail end of transmission.
7. The production apparatus of a carbon fiber prepreg resin film according to claim 6, wherein: the utility model discloses a laser range finder, including base station (1), base station (1) is last still to be provided with calibration mechanism (6), calibration mechanism (6) are including calibration frame (61), calibration guide rail (62), step motor (63) and laser range finder (64), calibration frame (61) are installed on base station (1), and stride cooling rack (51) set up, calibration guide rail (62) are laid on the upper portion frame below lateral wall of calibration frame (61), step motor (63) are installed on calibration guide rail (62), laser range finder (64) are installed on step motor (63), and can follow step motor (63) are in reciprocating motion on calibration guide rail (62), the range finder of laser range finder (64) is always towards cooling plate (52) set up, just step motor (63) with laser range finder (64) respectively with well accuse case (11) electricity is even.
8. The production apparatus of a carbon fiber prepreg resin film according to claim 1, wherein: the utility model provides a hot melt mechanism (3) is including hot melt frame (31) and leading-in frame (32), hot melt frame (31) with leading-in frame (32) are all installed in heat-insulating chamber (12), leading-in frame (32) are used for to export hot melt resin on hot melt roller (41), hot melt frame (31) are located leading-in frame (32) top, and towards leading-in frame (32) slope down setting, install backplate (311) on hot melt frame (31) support body, the inside fluting of hot melt frame (31) support body for place the resin board, first hot plate (314) have been buried in hot melt frame (31) support body for hot melt resin board, hot melt frame (31) support body orientation the partial opening of viewing window, install first collection arch (313) on the hot melt frame (31) support body, first collection arch (313) are located the opening part of hot melt frame (31) support body.
9. The production apparatus of a carbon fiber prepreg resin film according to claim 8, wherein: leading-in frame (32) slope downward orientation hot melt roller (41) set up, leading-in frame (32) with hot melt roller (41) butt, just leading-in frame (32) are close to the tip opening of hot melt roller (41), set up collecting tank (321) in leading-in frame (32) frame for cumulate by hot melt resin that hot melt frame (31) flowed in, the second hot plate has been buried in leading-in frame (32) for make hot melt resin keep the hot melt state, still install on leading-in frame (32) second collection arch (322), fender liquid board (323) and rotating electrical machine (324), the second is collected protruding (322) and is close to leading-in frame (32) opening setting, fender liquid board (323) rotate and set up in leading-in frame (32), rotating electrical machine (324) install outside leading-in frame (32) for the drive keep off liquid board (323) and rotate.
10. The production apparatus of a carbon fiber prepreg resin film according to claim 1, wherein: the first substrate roller (2), the second substrate roller (73) and the two ends of the roller shaft of the winding roller (8) are respectively provided with a baffle plate (9) for preventing coiled materials from moving along the length direction of the roller shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384864.3A CN117103740B (en) | 2023-10-25 | 2023-10-25 | Preparation equipment of carbon fiber prepreg resin film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311384864.3A CN117103740B (en) | 2023-10-25 | 2023-10-25 | Preparation equipment of carbon fiber prepreg resin film |
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| CN117103740A true CN117103740A (en) | 2023-11-24 |
| CN117103740B CN117103740B (en) | 2024-01-09 |
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| KR20120078454A (en) * | 2010-12-31 | 2012-07-10 | 주식회사 효성 | Manufacturing method of prepreg |
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| CN105599322A (en) * | 2016-03-11 | 2016-05-25 | 四川省新万兴碳纤维复合材料有限公司 | Coating device of carbon fiber prepreg |
| CN110538760A (en) * | 2019-08-30 | 2019-12-06 | 德州联合拓普复合材料科技有限公司 | Carbon fiber prepreg production equipment and production process |
| CN215551079U (en) * | 2021-08-12 | 2022-01-18 | 厦门鑫美和设备制造有限公司 | Prepreg production equipment |
| CN216578741U (en) * | 2021-12-16 | 2022-05-24 | 厦门复晟复合材料有限公司 | Dry prepreg production equipment |
| CN217777857U (en) * | 2022-02-16 | 2022-11-11 | 江阴市宏华机械装备有限公司 | Integrated multifunctional multilayer coating composite film coating machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120078454A (en) * | 2010-12-31 | 2012-07-10 | 주식회사 효성 | Manufacturing method of prepreg |
| CN203236716U (en) * | 2013-04-27 | 2013-10-16 | 张家港市贝尔机械有限公司 | Embedding device of glass-fiber gridding cloth in pressing-embedding type glass-fiber-reinforced building template |
| CN105599322A (en) * | 2016-03-11 | 2016-05-25 | 四川省新万兴碳纤维复合材料有限公司 | Coating device of carbon fiber prepreg |
| CN110538760A (en) * | 2019-08-30 | 2019-12-06 | 德州联合拓普复合材料科技有限公司 | Carbon fiber prepreg production equipment and production process |
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| CN117103740B (en) | 2024-01-09 |
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Denomination of invention: A preparation equipment for carbon fiber prepreg resin film Granted publication date: 20240109 Pledgee: Qilu Bank Co.,Ltd. Dezhou Development Zone sub branch Pledgor: Dezhou United Top Composite Technology Co.,Ltd. Registration number: Y2024980003512 |