CN219926945U - Continuous fiber reinforced composite material prepreg tow preparation device - Google Patents
Continuous fiber reinforced composite material prepreg tow preparation device Download PDFInfo
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- CN219926945U CN219926945U CN202320985735.9U CN202320985735U CN219926945U CN 219926945 U CN219926945 U CN 219926945U CN 202320985735 U CN202320985735 U CN 202320985735U CN 219926945 U CN219926945 U CN 219926945U
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- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000003733 fiber-reinforced composite Substances 0.000 title claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 109
- 239000011347 resin Substances 0.000 claims abstract description 109
- 239000000843 powder Substances 0.000 claims abstract description 72
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 239000007921 spray Substances 0.000 claims abstract description 43
- 238000011084 recovery Methods 0.000 claims abstract description 32
- 230000008595 infiltration Effects 0.000 claims abstract description 25
- 238000001764 infiltration Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims description 42
- 230000005855 radiation Effects 0.000 claims description 33
- 238000007598 dipping method Methods 0.000 claims description 25
- 238000002791 soaking Methods 0.000 claims description 19
- 239000002657 fibrous material Substances 0.000 claims description 14
- 238000005470 impregnation Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004643 cyanate ester Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920003192 poly(bis maleimide) Polymers 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229920006305 unsaturated polyester Polymers 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 229940098458 powder spray Drugs 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010146 3D printing Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Reinforced Plastic Materials (AREA)
Abstract
The utility model discloses a continuous fiber reinforced composite material prepreg tow preparation device which comprises a fiber roll device, an electrostatic spray gun infiltration device, a vacuum powder recovery device and a prepreg collection device which are arranged on a device shell, wherein the traditional molten pool infiltration is improved to be the electrostatic spray gun infiltration, so that the continuous fiber reinforced composite material prepreg tow preparation is realized, the preparation of different continuous fibers and different resin prepreg tows can be completed, the integration degree is high, the prepreg tow quality is good, the fiber content of the prepreg tows can be regulated and controlled, the efficient high-quality preparation of the continuous fiber reinforced composite material prepreg tows is realized, the problem that thermosetting resin is solidified in a molten pool in advance is solved, and the recycling of resin powder is realized.
Description
Technical Field
The utility model relates to the technical field of 3D printing and forming, in particular to a continuous fiber reinforced composite material prepreg tow preparation device.
Background
The composite material has the advantages of high specific strength, high specific modulus, good stability and the like, and is widely applied to the fields of aerospace, automobile manufacturing, ship manufacturing and the like which need strength and pursue light weight. The composite material 3D printing technology is a composite material manufacturing technology with high efficiency, high quality and high customization degree, and can realize the rapid design and manufacture of the composite material. The 3D printing continuous fiber reinforced composite material generally adopts methods such as soaking and printing or melting to form prepreg tows, and in the methods, the prepreg tows are directly melted and printed, so that the advantages of uniform fiber resin distribution, low porosity and the like are widely applied. Thus, the prepreg tow preparation apparatus is an important component in the manufacture of continuous fiber reinforced composites.
The existing prepreg tow preparation device (application number CN202121523843.1, the name is a continuous fiber reinforced composite material 3D printing silk preparation device) adopts the prepreg tow infiltration principle that continuous fibers are infiltrated by molten resin heated by an infiltration tank, and the prepreg tow preparation is completed by motor driving rolling after infiltration; it has the following disadvantages: (1) The space of the infiltration tank is large, a large amount of resin is needed to infiltrate, a large amount of resin is accumulated in the high Wen Jinrun tank, thermosetting resin is easy to thermally cure, and the requirement of thermosetting resin presoaking with lower curing temperature cannot be met; (2) Molten resin is arranged in the infiltration tank, so that the infiltration tank is difficult to clean and other resins are difficult to replace; (3) The ratio of the fiber to the resin in the prepreg tows cannot be controlled; (4) The device preimpregnation groove fiber is soaked through the multiunit infiltration spindle, and the friction of fiber and every infiltration spindle can be increased to a large number infiltration spindle, causes fibrous scratch easily.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a continuous fiber reinforced composite material prepreg tow preparation device which can solve the problem of thermosetting resin curing in advance in the prepreg process, can adjust the fiber content of the prepreg tows, recover the residual resin and replace the resin, and can prevent the fiber from being scratched.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a continuous fiber reinforced composite material prepreg tow preparation device comprises a fiber roll device, an electrostatic spray gun infiltration device, a vacuum powder recovery device and a prepreg collection device, wherein the fiber roll device, the electrostatic spray gun infiltration device, the vacuum powder recovery device and the prepreg collection device are arranged on a device shell;
the fiber material roll device comprises a fiber material roll, and the fiber material roll is connected to the outer side of the top of the device shell through a fiber material roll bracket;
the electrostatic spray gun infiltration device comprises an impregnation closed cavity, and the impregnation closed cavity is connected to a device shell through an impregnation closed cavity bracket; the top of the dipping airtight cavity is connected with a dipping airtight cavity top cover, and the dipping airtight cavity top cover and the dipping airtight cavity form an airtight environment; continuous fiber inlets and outlets are arranged at the upper end and the lower end of the dipping closed cavity, and the upper part and the bottom of the dipping closed cavity are respectively connected with an electrostatic spray gun and a resin powder recovery pipe; the lower side of the bottom of the dipping closed cavity is connected with a heat radiation heating pipe which is connected with the dipping closed cavity bracket through a heat radiation heating pipe bracket;
the vacuum powder recovery device comprises a vacuum recovery device arranged in the middle of the device shell, and the vacuum recovery device is connected with a resin powder recovery pipe;
the prepreg collecting device comprises a prepreg silk bundle material roll which is connected to the outer side of the lower portion of the device shell through a prepreg silk bundle material roll bracket, a prepreg silk bundle material roll winding wheel is connected to the end head of a rotating shaft of the prepreg silk bundle material roll, the prepreg silk bundle material roll winding wheel is connected with a motor through a motor belt wheel, and the motor is connected to the inner bottom of the device shell.
The heat radiation heating pipe is made of aluminum alloy, corresponding materials are selected according to the requirement, a heating rod and a thermocouple are arranged in the heat radiation heating pipe, the temperature of the heat radiation heating pipe is controlled through a temperature control module in a presoaking controller, and the presoaking controller is arranged at the upper part of the inner side of the device shell.
The device comprises a pre-soaking controller, an electrostatic spray gun, a vacuum recovery device, a control panel, a motor, a heat radiation heating pipe, a voltage, a current and a powder discharge amount of the electrostatic spray gun, and the vacuum degree of the vacuum recovery device and the rotating speed of the motor, wherein the pre-soaking controller, the electrostatic spray gun and the vacuum recovery device are connected with the control panel, the control panel is connected to the side surface of the device shell, and the temperature of the heat radiation heating pipe is controlled through the control panel.
The static spray gun can adjust voltage, current and air pressure, the adjustment of the voltage and the current affects the adsorption efficiency between resin powder and continuous fibers, the adjustment of the air pressure affects the powder output of the static spray gun, and the adjustment of parameters of the static spray gun affects the amount of the resin powder adhered on the fibers, so that the fiber content of the prepreg tows is controlled, and the continuous fiber reinforced composite prepreg tows with different fiber contents are customized.
The electrostatic spray gun is connected with a resin powder barrel, the resin powder barrel is fixed in the device shell, and the resin powder is sprayed out through connecting compressed gas; the bottom of the resin powder barrel is provided with a pressure sensor, and the residual quantity of the resin powder is reflected by pressure change.
The temperature of the heat radiation heating pipe is selected according to the selected resin, and the temperature is set to be higher than the softening point of the resin, so that when the continuous fibers adsorbed with the resin powder particles pass through, the resin powder particles are softened and bonded on the continuous fibers, and the preparation of the prepreg tows is completed.
The resin in the resin powder barrel is epoxy resin, unsaturated polyester, cyanate ester, bismaleimide resin, phenolic resin, polypropylene, polylactic acid, polyether ether ketone, polydimethylsiloxane, silicone rubber and other resins or the mixture of some of the resins.
The number of the soaking closed cavities and the matched devices thereof is increased or decreased according to the required composite material property, one set of soaking closed cavities and the matched devices thereof are used for presoaking one resin, or more than two types of resin are soaked, or one or more sets of soaking closed cavities and the matched devices thereof are added below the soaking closed cavities, and after one layer of resin is soaked, the resin enters the next soaking closed cavity, so that a continuous fiber reinforced presoaked tow with one resin wrapping the other resin is formed.
For the resin requiring inert environment, inert gases such as nitrogen, argon and the like are introduced into the dipping airtight cavity.
The power of the heat radiation heating pipe is 20-1000W, and the amplitude current of 0-100A is provided, so that the heating temperature of 50-500 ℃ is realized.
The control of the prepreg effect of the prepreg tows is realized by controlling the heating temperature and the powder spraying amount of the thermal radiation heating pipe, the heating temperature of the prepreg tows is controlled by adjusting the power of the thermal radiation heating pipe, and the powder outlet amount sprayed out by the resin powder spray gun is adjusted by the electrostatic spray gun electrostatic spray nozzle size and the electrostatic voltage, so that the control of the prepreg effect of different resin matrixes and different resin contents is realized.
The beneficial effects of the utility model are as follows:
because the utility model adopts the mode of spraying resin powder by the electrostatic spray gun for presoaking, the utility model has the advantages of uniform fiber resin distribution, adjustable resin content of presoaked tows and the like;
according to the utility model, as the impregnating scheme of spraying powder by the electrostatic spray gun in the impregnating closed cavity is adopted, the powder is fused and adhered to the continuous carbon fiber after contacting the high-temperature continuous carbon fiber, and the residual powder which is not adhered to the continuous fiber is automatically deposited at the bottom of the impregnating closed cavity, so that the impregnating closed cavity is convenient to clean, and the residual resin powder can be recovered;
according to the utility model, as the electrostatic spray gun is adopted to spray the resin powder on the continuous fibers for infiltration, the resin powder is stored in the resin powder barrel, and the pressure sensor is arranged at the bottom of the resin powder barrel, so that the powder allowance can be checked in real time, the resin can be added at any time along with presoaking, the shutdown is not needed, and the degree of automation is high;
according to the utility model, as the scheme of spraying resin powder particles by the electrostatic spray gun to finish infiltration is adopted, the resin is heated and softened only in the thermal radiation heating pipe, and the heating time is short, so that the thermosetting resin cannot be cured in advance in the presoaking process;
because the continuous fibers in the utility model are always in a vertical state in the infiltration process and are not contacted with any other mechanism, the fibers cannot be scratched, and the quality of the prepreg tow reinforcement is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is a schematic side view of an embodiment of the present utility model.
FIG. 3 is a schematic side cut-away view of an example of the present utility model during infiltration.
Fig. 4 is a schematic back view of an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings.
Referring to fig. 1-4, a continuous fiber reinforced composite material prepreg tow preparation device comprises a fiber roll device, an electrostatic spray gun infiltration device, a vacuum powder recovery device and a prepreg collection device which are arranged on a device shell 1;
the fiber material roll device comprises a fiber material roll 3, wherein the fiber material roll 3 is connected to the outer side of the top of the device shell 1 through a fiber material roll bracket 2, and continuous fibers are arranged on the fiber material roll 3 to be a reinforcement body for preparing prepreg tows;
the electrostatic spray gun infiltration device comprises an impregnation closed cavity 5, wherein the impregnation closed cavity 5 is connected to the device shell 1 through an impregnation closed cavity bracket 13; the top of the dipping airtight cavity 5 is connected with a dipping airtight cavity top cover 4, and the dipping airtight cavity top cover 4 and the dipping airtight cavity 5 form an airtight environment; the upper end and the lower end of the dipping closed cavity 5 are respectively provided with an opening with the diameter of 5mm, which is a continuous fiber inlet and a continuous fiber outlet; the upper part and the bottom of the dipping airtight cavity 5 are respectively connected with an electrostatic spray gun 10 and a resin powder recovery pipe 12, and the joint is sealed by sealant; the lower side of the bottom of the dipping closed cavity 5 is connected with a heat radiation heating pipe 6, and the heat radiation heating pipe 6 is connected with a dipping closed cavity bracket 13 through a heat radiation heating pipe bracket 14;
the vacuum powder recovery device comprises a vacuum recovery device 17 arranged in the middle of the device shell 1, and the vacuum recovery device 17 is connected with a resin powder recovery pipe 12;
the prepreg collecting device comprises a prepreg tow roll 8 which is connected to the outer side of the lower portion of the device shell 1 through a prepreg tow roll bracket 7, a prepreg tow roll belt wheel 9 is connected to the end head of a rotating shaft of the prepreg tow roll 8, the prepreg tow roll belt wheel 9 is connected with a motor 20 through a motor belt wheel 18, the effect that the motor 20 drives the prepreg tow roll 8 to rotate is achieved, and the motor 20 is connected to the inner bottom of the device shell 1.
The heat radiation heating pipe 6 is made of aluminum alloy, corresponding materials are selected according to the requirement, a heating rod and a thermocouple are arranged in the heat radiation heating pipe 6, the temperature of the heat radiation heating pipe 6 is controlled through a temperature control module in the pre-soaking controller 16, and the pre-soaking controller 16 is arranged at the upper part of the inner side of the device shell 1.
The presoaking controller 16, the electrostatic spray gun 10 and the vacuum recovery device 17 are connected with the control panel 11, the control panel 11 is connected to the side surface of the device shell 1, the temperature of the heat radiation heating pipe 6, the voltage, the current and the powder discharge amount of the electrostatic spray gun 10 and the vacuum degree of the vacuum recovery device 17 and the rotating speed of the motor are controlled through the control panel 11.
The working principle of the utility model is as follows: as shown in fig. 3, the lower ends of the continuous fibers 15 are previously adhered to the prepreg tow rolls 8, and the continuous fibers 15 can be moved throughout the apparatus by the power provided by the motor 20; after the continuous fibers 15 enter the impregnation closed cavity 5, spraying charged resin powder particles to the continuous fibers 15 through the electrostatic spray gun 10, wherein the resin powder particles are adsorbed on the continuous fibers 15 due to electrostatic adsorption, so that the impregnation of the continuous fibers 15 is completed; the soaked tows are pulled out of the soaking closed cavity 5 and then enter a heat radiation heating pipe 6, and resin on the continuous fibers 15 is softened and bonded to the continuous fibers 15 through heat radiation, so that the soaking of the continuous fibers 15 and the resin in the whole process is completed; the soaked prepreg tows are collected into a prepreg tow material roll 8 under the driving of a motor 20;
the electrostatic spray gun 10 can adjust voltage, current and air pressure, the adjustment of the voltage and the current affects the adsorption efficiency between the resin powder and the continuous fibers, the adjustment of the air pressure affects the powder output amount of the electrostatic spray gun 10, and the adjustment of parameters of the electrostatic spray gun 10 can affect the amount of the resin powder adhered on the fibers, so that the fiber content of the prepreg tows is controlled, and the continuous fiber reinforced composite prepreg tows with different fiber contents are customized.
The electrostatic spray gun 10 is connected with a resin powder barrel 19, the resin powder barrel 19 is fixed in the device shell 1, and the resin powder is sprayed out through connecting compressed gas; a pressure sensor is provided at the bottom of the resin powder barrel 19, and the remaining amount of the resin powder therein is reflected by a pressure change.
The temperature of the heat radiation heating pipe 6 is selected according to the selected resin, and the temperature is set to be a certain temperature higher than the softening point of the resin, so that when the continuous fiber adsorbed with the resin powder particles passes through, the resin powder particles are softened and bonded on the continuous fiber, and the preparation of the prepreg tows is completed.
The resin in the resin powder barrel 19 is epoxy resin, unsaturated polyester, cyanate ester, bismaleimide resin, phenolic resin, polypropylene, polylactic acid, polyether ether ketone, polydimethylsiloxane, silicone rubber and other resins or a mixture of some of the resins.
The resin powder particles not adsorbed to the continuous fibers can be sucked into the resin powder recovery pipe 12 by the suction force provided by the vacuum recovery device 17, and then collected into the vacuum recovery device 17, thereby completing the recovery of the resin powder particles.
The utility model realizes the preparation of the continuous fiber reinforced composite material prepreg tows, can finish the preparation of the prepreg tows of different continuous fibers and different resins, has high integration degree and good prepreg tows quality, can regulate and control the fiber content of the prepreg tows, and realizes the efficient and high-quality manufacture of the continuous fiber reinforced composite material prepreg tows. The utility model improves the traditional molten pool infiltration into the electrostatic spray gun infiltration, solves the problem of early solidification of thermosetting resin in the molten pool, and realizes the recycling of resin powder.
Claims (10)
1. A continuous fiber reinforced composite material prepreg tow preparation device is characterized in that: the device comprises a fiber material roll device, an electrostatic spray gun infiltration device, a vacuum powder recovery device and a prepreg collection device which are arranged on a device shell;
the fiber material roll device comprises a fiber material roll, and the fiber material roll is connected to the outer side of the top of the device shell through a fiber material roll bracket;
the electrostatic spray gun infiltration device comprises an impregnation closed cavity, and the impregnation closed cavity is connected to a device shell through an impregnation closed cavity bracket; the top of the dipping airtight cavity is connected with a dipping airtight cavity top cover, and the dipping airtight cavity top cover and the dipping airtight cavity form an airtight environment; continuous fiber inlets and outlets are arranged at the upper end and the lower end of the dipping closed cavity, and the upper part and the bottom of the dipping closed cavity are respectively connected with an electrostatic spray gun and a resin powder recovery pipe; the lower side of the bottom of the dipping closed cavity is connected with a heat radiation heating pipe which is connected with the dipping closed cavity bracket through a heat radiation heating pipe bracket;
the vacuum powder recovery device comprises a vacuum recovery device arranged in the middle of the device shell, and the vacuum recovery device is connected with a resin powder recovery pipe;
the prepreg collecting device comprises a prepreg silk bundle material roll which is connected to the outer side of the lower portion of the device shell through a prepreg silk bundle material roll bracket, a prepreg silk bundle material roll winding wheel is connected to the end head of a rotating shaft of the prepreg silk bundle material roll, the prepreg silk bundle material roll winding wheel is connected with a motor through a motor belt wheel, and the motor is connected to the inner bottom of the device shell.
2. The apparatus according to claim 1, wherein: the heat radiation heating pipe is made of aluminum alloy, corresponding materials are selected according to the requirement, a heating rod and a thermocouple are arranged in the heat radiation heating pipe, the temperature of the heat radiation heating pipe is controlled through a temperature control module in a presoaking controller, and the presoaking controller is arranged at the upper part of the inner side of the device shell.
3. The apparatus according to claim 2, wherein: the device comprises a pre-soaking controller, an electrostatic spray gun, a vacuum recovery device, a control panel, a motor, a heat radiation heating pipe, a voltage, a current and a powder discharge amount of the electrostatic spray gun, and the vacuum degree of the vacuum recovery device and the rotating speed of the motor, wherein the pre-soaking controller, the electrostatic spray gun and the vacuum recovery device are connected with the control panel, the control panel is connected to the side surface of the device shell, and the temperature of the heat radiation heating pipe is controlled through the control panel.
4. The apparatus according to claim 1, wherein: the static spray gun can adjust voltage, current and air pressure, the adjustment of the voltage and the current affects the adsorption efficiency between resin powder and continuous fibers, the adjustment of the air pressure affects the powder output of the static spray gun, and the adjustment of parameters of the static spray gun affects the amount of the resin powder adhered on the fibers, so that the fiber content of the prepreg tows is controlled, and the continuous fiber reinforced composite prepreg tows with different fiber contents are customized.
5. The apparatus according to claim 1, wherein: the electrostatic spray gun is connected with a resin powder barrel, the resin powder barrel is fixed in the device shell, and the resin powder is sprayed out through connecting compressed gas; the bottom of the resin powder barrel is provided with a pressure sensor, and the residual quantity of the resin powder is reflected by pressure change.
6. The apparatus according to claim 5, wherein: the resin in the resin powder barrel is one of epoxy resin, unsaturated polyester, cyanate ester, bismaleimide resin, phenolic resin, polypropylene, polylactic acid, polyether ether ketone, polydimethylsiloxane and silicone rubber resin.
7. The apparatus according to claim 1, wherein: the temperature of the heat radiation heating pipe is selected according to the selected resin, and the temperature is set to be higher than the softening point of the resin, so that when the continuous fibers adsorbed with the resin powder particles pass through, the resin powder particles are softened and bonded on the continuous fibers, and the preparation of the prepreg tows is completed.
8. The apparatus according to claim 1, wherein: the number of the soaking closed cavities and the matched devices thereof is increased or decreased according to the required composite material property, one set of soaking closed cavities and the matched devices thereof are used for presoaking one resin, or more than two types of resin are soaked, or one or more sets of soaking closed cavities and the matched devices thereof are added below the soaking closed cavities, and after one layer of resin is soaked, the resin enters the next soaking closed cavity, so that a continuous fiber reinforced presoaked tow with one resin wrapping the other resin is formed.
9. The apparatus according to claim 1, wherein: the power of the heat radiation heating pipe is 20-1000W, and the amplitude current of 0-100A is provided, so that the heating temperature of 50-500 ℃ is realized.
10. The apparatus according to claim 1, wherein: the control of the prepreg effect of the prepreg tows is realized by controlling the heating temperature and the powder spraying amount of the thermal radiation heating pipe, the heating temperature of the prepreg tows is controlled by adjusting the power of the thermal radiation heating pipe, and the powder outlet amount sprayed out by the resin powder spray gun is adjusted by the electrostatic spray gun electrostatic spray nozzle size and the electrostatic voltage, so that the control of the prepreg effect of different resin matrixes and different resin contents is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320985735.9U CN219926945U (en) | 2023-04-27 | 2023-04-27 | Continuous fiber reinforced composite material prepreg tow preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320985735.9U CN219926945U (en) | 2023-04-27 | 2023-04-27 | Continuous fiber reinforced composite material prepreg tow preparation device |
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| Publication Number | Publication Date |
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| CN219926945U true CN219926945U (en) | 2023-10-31 |
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| CN202320985735.9U Active CN219926945U (en) | 2023-04-27 | 2023-04-27 | Continuous fiber reinforced composite material prepreg tow preparation device |
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| Country | Link |
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| CN (1) | CN219926945U (en) |
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- 2023-04-27 CN CN202320985735.9U patent/CN219926945U/en active Active
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