JP3209022U - Carbon fiber product molding equipment - Google Patents

Abstract

The present invention provides a carbon fiber product molding apparatus that has a simple structure and removes most of residual gas from a carbon fiber product in a molding process. A carbon fiber product forming apparatus 100 is provided with a hollow chamber 11 provided with a bleed port 51, a medium inlet 52, a medium outlet 54, and an air inlet 53 formed in the upper wall through the inner and outer wall surfaces, and provided in the hollow chamber 11. A pressure plate 2, a mold 3 provided on the pressure plate 2, each provided with two external openings connected to the medium conduit 6, and provided in a hole of the mold 3. And an airbag having an outer surface adhered with a carbon fiber composite material. At the same time as the high-temperature and high-pressure medium enters and is discharged from the airbag, the vacuum pump 7 bleeds the hollow chamber 11 to the vacuum via the bleed port 51. [Selection] Figure 1

Description

  The present invention relates to a carbon fiber product molding apparatus, and more particularly to a carbon fiber product molding apparatus having no residual gas.

  Carbon fiber products are products made of carbon fiber composite materials. Carbon fiber composite materials are a composite of carbon fiber and resin, metal, ceramic, etc. Carbon fiber products are aerospace, military, electronic, etc. Widely applied in many fields. Carbon fiber product molding methods generally include a pressing method, a hand lay-up method, a vacuum bag hot pressing method, a winding molding method, and a pultrusion molding method. In the press method, a carbon fiber composite material pre-impregnated with resin is set in a mold, and after pressurizing, excess gel is overflowed, and then cured at a high temperature and the product is obtained after removing the mold. . In the hand lay-up method, the carbon fiber sheet impregnated with the gel is laminated in a V shape, and a resin is applied together with the lamination, and then molded by hot pressing again. In the vacuum bag hot pressing method, a carbon fiber composite material is laminated on a mold, covered with a heat-resistant thin film, pressure is applied to the lamination of the carbon fiber composite material using the expansion force of a flexible airbag, and it is cured in an autoclave. In the winding molding method, a carbon fiber filament is wound around a carbon fiber shaft. In the pultrusion method, first, carbon fibers are completely infiltrated, resin and air are removed by drawing, and then, the resin is cured and molded in a furnace.

  In each of the above-described production methods, a gas is generated in the carbon fiber composite material during the molding process, and an air trap occurs in the carbon fiber product due to these residual gases. In the appearance of the product, bubbles are generated and the structural strength does not satisfy the requirements. Accordingly, it is required to improve the conventional carbon fiber product molding apparatus to remove the residual gas and to improve the processing quality of the carbon fiber product.

  In order to solve the above-mentioned problems, the object of the present invention is to use carbon that is simple in structure and capable of effectively removing 99% or more of residual gas in the carbon fiber product in the molding process of the carbon fiber product using a non-traditional internal heating method. A textile product forming apparatus is provided.

  In one embodiment, a carbon fiber product molding apparatus includes a housing, at least two pressure plates, at least one mold, an airbag, and two medium conduits. The casing is provided with one hollow chamber and a wall surface that seals the hollow chamber. On the wall surface, an extraction port, a medium inlet, an air inlet, and a medium outlet are provided, and the extraction port is connected to a vacuum pump. Air outside the enclosure is introduced when the inlet is opened. The medium inlet and the medium outlet are connected to the outlet and the inlet of the medium source, respectively. The pressure plate is disposed in the hollow chamber. The mold is disposed on one pressure plate and between two pressure plates, and has a male mold and a female mold. A hole is formed between the male mold and the female mold, and the hole forms a first outer opening and a second outer opening. The airbag is disposed in the hole, the first bag opening is disposed in the vicinity of the first outer opening, and the second bag opening is disposed in the vicinity of the second outer opening. The first medium conduit and the second medium conduit are disposed in a hollow chamber, the first medium conduit has one end connected to the first external opening, the other end connected to the medium inlet, and the second medium conduit has one end connected to the second outlet. The other end is connected to the outside opening and the medium outlet.

  Among these, a plurality of carbon fiber composite material layers are attached to the outer surface of the airbag, and the high-pressure medium of the medium source is sequentially applied to the airbag through the medium inlet, the first medium conduit, the first outer opening, and the first bag opening. Introduced and sequentially returned to the medium source via the second bag opening, the second outer opening, the second medium conduit, and the medium outlet, so that the airbag has a different temperature range, and the high-temperature and high-pressure medium in the airbag. The introduction and discharge from the airbag have different durations within different temperature ranges. The gas in the hollow chamber is extracted by a bleed port and a vacuum pump and has different vacuum degrees within different temperature ranges of the airbag.

  In another embodiment, the number of airbags in the carbon fiber product molding apparatus is two or more.

  In one embodiment, the carbon fiber product molding apparatus further includes a safety valve on the wall surface of the housing to prevent the pressure in the hollow chamber from becoming excessive.

In one embodiment, the pressure of the high pressure medium is ² to 15 kgf / cm ² .

  In one embodiment, the medium source is a heat medium source and the temperature of the hot high pressure medium is between 65 degrees Celsius and 180 degrees Celsius.

  In one embodiment, the internal pressure of the hollow chamber is at least 1 standard atmosphere or less.

  In one embodiment, the medium source is a refrigerant source and the temperature of the high pressure medium is between 5 degrees Celsius and 10 degrees Celsius.

  In one embodiment, the carbon fiber product molding apparatus further includes a control unit, which is connected to a vacuum pump and a medium source to introduce and discharge a high-temperature high-pressure medium to and from the airbag, and a high-temperature high-pressure. Control the duration of introduction and evacuation of the medium into the airbag and the pressure and temperature in the hollow chamber.

  In one embodiment, the control unit is a programmable logic controller system (PLC).

  In one embodiment, the mold material is one of metal, gypsum, cement, wood, glass fiber, ceramic sand, and medium density filament plate.

  The carbon fiber product molding apparatus according to the present invention uses the interaction between the fluctuation of the degree of vacuum in the hollow chamber and the temperature of the high-pressure medium at a high temperature in the air bag and the cyclic fluctuation of the pressure in the air bag in different temperature ranges. Before the temperature reaches the glass transition degree Tg of the carbon fiber composite material, the residual gas is completely discharged from the carbon fiber composite material layer. In addition, since heating is performed from the inside to the outside, the internal lamination of the carbon fiber composite laminate is cured prior to the external lamination, and the heated gas is released from the external lamination. Thereby, the strength of the produced carbon fiber product is excellent, there are no bubbles, the quality is stable, and the applicable range is widened. Compared with the conventional technology, the carbon fiber product molding apparatus according to the present invention has a residual gas generated in the carbon fiber composite material when the carbon fiber prepreg is heated in the prior art until the resin undergoes a polymerization reaction. (1) Air trap phenomenon is difficult to occur, (2) Heating is uniform, (3) Size stability (4) Heat-saving energy (5) Heating time is short (6) Forming complicated products Since the residual gas removal rate reaches 99%, the air trap phenomenon caused by the residual gas of the carbon fiber product can be prevented to enhance the appearance of the product, and the structural strength can be increased by at least 5%. . In addition, since the mold does not need to be heated, the purpose of quick mold forming and quick proofing is achieved with non-heat conducting material such as gypsum, cement, wood, glass fiber, ceramic sand or medium density filament plate. To do.

FIG. 1 is a three-dimensional view showing an internal / external structure of a carbon fiber product molding apparatus according to an embodiment of the present invention. FIG. 2 is a three-dimensional perspective view showing a connection relationship among the medium inlet, the medium outlet, the medium conduit, the heat medium source, and the control unit of the carbon fiber product molding apparatus according to the embodiment of the present invention. FIG. 3 is a three-dimensional perspective view of a portion showing a connection relationship among a medium inlet, a medium outlet, a medium conduit, a refrigerant source, and a control unit of the carbon fiber product molding apparatus according to the embodiment of the present invention. FIG. 4 is a three-dimensional view showing the positional relationship among the mold, the airbag, and the carbon fiber composite material layer of the carbon fiber product molding apparatus in the embodiment of the present invention. FIG. 5 is a cross-sectional view showing a positional relationship among a mold, an airbag, a medium inlet, and a medium outlet of the carbon fiber product molding apparatus according to the embodiment of the present invention. It is a top view which shows the positional relationship between the hole of the carbon fiber product shaping | molding apparatus in another Example of this invention, a 1st airbag, a 2nd airbag, and a 3rd airbag.

  Since the present invention relates to a carbon fiber product molding apparatus, and the related manufacturing principle of so-called carbon fiber products is obvious to those skilled in the art, a complete description will not be given in the following description. Further, the drawings referred to in the following text are intended to show the meanings relating to the features of the present invention, and it is clearly shown in advance that it is not necessary to draw completely based on actual dimensions.

  1 to 5, in the embodiment, the carbon fiber product molding apparatus 100 includes a housing 1, at least two pressure plates 2, at least one mold 3, at least one airbag 4 (FIG. 4), and A plurality of medium conduits 6 including a first medium conduit 61 (FIG. 2) and a second medium conduit 62 (FIG. 2) are provided. The casing 1 is provided with one hollow chamber 11 and a wall surface 12 that seals the hollow chamber 11, and the wall surface 12 here is a general term for all wall surfaces that cover the entire hollow chamber 11, and bleed air is extracted on the wall surface 12. An outlet 51, a medium inlet 52, an openable / closable atmosphere inlet 53 and a medium outlet 54 are provided, and the extraction port 51 is connected to the vacuum pump 7. When the atmosphere inlet 53 is opened, the air outside the casing 1 is opened. Is introduced. The medium inlet 52 and the medium outlet 54 are connected to the outlet 81 and the inlet 82 (FIG. 2) of the heat medium source 8, or the outlet 91 and the inlet 92 (FIG. 3) of the refrigerant source 9, respectively. A pressure plate 2 movable up and down is provided in the hollow chamber 11, and there is a fixed interval between each pressure plate 2. The mold 3 is provided on the pressure plate 2 and between the two pressure plates 2, has a male die 31 and a female die 32, and forms a hole 33 between the male die 31 and the female die 32. The hole 33 forms a first outer opening 34 and a second outer opening 35 located on both sides. The airbag 4 is provided in the hole 33, the first bag opening 41 is installed in the vicinity of the first outer opening 34, and the second bag opening 42 is installed in the vicinity of the second outer opening 35. The high-temperature high-pressure medium 13a (FIG. 2) or the low-temperature high-pressure medium 13b (FIG. 3) from the refrigerant source 9 sequentially enters the airbag 4 via the first outer opening 34 and the first bag opening 41, and in turn The air is discharged from the airbag 4 through the second bag opening 42 and the second outer opening 35. The first medium conduit 61 and the second medium conduit 62 are installed in the hollow chamber 11. The first medium conduit 61 has one end connected to the first outer opening 34 and the other end connected to the medium inlet 52. The two-medium conduit 62 has one end connected to the second outer opening 35 and the other end connected to the medium outlet 54. Here, the heat medium source 8 is, for example, one container, which stores a high-pressure medium having high temperature energy, high-pressure steam, high-pressure heat medium oil, etc., and the refrigerant source 9 is one container, which is a low-temperature energy. A high pressure medium having high pressure, for example, high pressure cold air. The number of the pressure plates 2 is not particularly limited as long as the mold 3 can be supported, sandwiched, and closely adhered.

  4 and 5, the outer surface of the airbag 4 is attached or covered with a plurality of carbon fiber composite material layers 30, and the interior of the airbag 4 is a core material of polystyrene (foamed polystyrene, EPS). 5 and becomes a fixed support frame when forming the airbag 4, and is melted at a high temperature. The high-temperature and high-pressure medium 13a from the outlet 81 of the heat medium source 8 is sequentially introduced into the airbag 4 via the medium inlet 52, the first medium conduit 61, the first outer opening 34, and the first bag opening 41, and in turn. By returning to the heat medium source 8 through the inlet 82 of the heat medium source 8 via the second bag opening 42, the second outer opening 35, the second medium conduit 62 and the medium outlet 54, the temperature inside the airbag 4 And have different temperature ranges of, for example, 65 to 70 degrees Celsius and 100 to 150 degrees Celsius. The introduction and discharge of the high-temperature and high-pressure medium 13a in the airbag 4 has different durations in different temperature ranges of the airbag 4, for example, 10 to 20 minutes at 65 to 70 degrees Celsius, and 100 degrees Celsius. ~ 2 minutes at 150 ° C. The gas in the hollow chamber 11 is extracted by the bleed port 51 and the vacuum pump 7 and has different pressures in different temperature ranges of the airbag 4. For example, when the temperature is 65 ° C. to 70 ° C., the pressure is 1 Standard atmospheric pressure or lower, preferably 0.6 standard atmospheric pressure or lower, and at 100 ° C. to 150 ° C., the pressure is 0.1 standard atmospheric pressure or lower. The high-temperature high-pressure medium 13a here is high-pressure high-temperature gas, high-pressure steam, or high-pressure heat transfer oil.

On the other hand, when the airbag 4 is inflated, it has the same shape as the outer shape of the produced carbon fiber product, and each carbon fiber composite material layer 30 is attached to the surface of the airbag 4 using an epoxy resin impregnated in advance. When the attachment of all the carbon fiber composite material layers 30 is completed, the airbag 4 is provided in the hole 33, and the pressure from the heat medium source 8 is ² to 15 kgf / cm ² , but a different high temperature, for example, 65 ° C. The air bag is inflated by injecting a high-temperature and high-pressure medium 13 a of ˜180 ° C., and all the carbon fiber composite material layers 30 are brought into close contact with the wall surface of the hole 33. When the carbon fiber prepreg is heated until the temperature of the airbag 4 causes the polymerization reaction of the resin, the carbon fibers in the carbon fiber composite material layer 30 are fused with the epoxy resin, and when the temperature of the airbag 4 is cooled, the carbon fiber prepreg is cured. The material of the airbag 4 here is, for example, silica gel, nylon, or polyvinyl chloride (PVC), and can withstand temperatures up to 180 degrees Celsius or higher.

  In addition, the number of medium conduits 6 corresponds to the number of external openings of the hole 33, and the number of external openings of the hole 33 corresponds to the number of openings of the airbag 4. There is not only one airbag 4 in the hole 33, but each airbag 4 has two openings that can be injected and discharged, and the temperature of the high-temperature high-pressure medium 13a or the low-temperature high-pressure medium 13b injected into each airbag. May be different.

  Still referring to FIG. 1, in one embodiment, the carbon fiber product molding apparatus 100 further includes a drive unit 10 that is provided in the hollow chamber 11 and that is connected to the pressure plate 2 to drive the elevation of the pressure plate 2, The mold 3 located between the two pressure plates 2 is sandwiched between the male mold 31 and the female mold 32. The drive unit 10 is a device or equipment that provides arbitrary power, and is, for example, a hydraulic syringe. The casing 1 is the main body of the entire carbon fiber product molding apparatus 100 and does not have an effect of completely sealing the hollow chamber 11 by constituting all the upper, lower, left and right wall surfaces 12. Don't be. In one embodiment, the wall surface 12 is composed of five fixed walls and one movable door 121, the hollow chamber 11 is opened, and the mold 3 is disposed inside the hollow chamber 11. However, if there is an effect of sealing the hollow chamber 11, other arrangement methods of the wall surface 12 are within the application range of the carbon fiber product molding apparatus of the present invention.

Further, referring to FIG. 1, in one embodiment, the bleed port 51 and the medium inlet 52 are located on the right side of the upper wall of the casing 1, and the atmospheric inlet 53 and the medium outlet 54 are located on the left side of the upper wall of the casing 1. To do. In other embodiments, it may be chosen to place another housing in communication with the housing 1, and the bleed port 51, medium inlet 52, atmospheric inlet 53 and medium outlet 54 are all on another housing. You may prepare. Alternatively, two other casings communicating with the casing 1 may be arranged, and the extraction port 51, the medium inlet 52, the atmospheric inlet 53, and the medium outlet 54 may be arranged on two different casings, respectively. In addition, the first medium conduit 61 and the second medium conduit 62 are conduits that conduct a heat medium or a refrigerant having different degrees of cold heat, for example, metal conduits. On the other hand, since the high-temperature and high-pressure gas is injected into the airbag 4 inside the carbon fiber product molding apparatus 100, a mechanical safety valve 15 is added to the upper wall of the casing 1 for safety reasons, and the airbag 4 When the pressure in the hollow chamber 11 is excessively leaked and the pressure in the hollow chamber 11 becomes excessive, the safety valve may be automatically opened to release the pressure. For example, the safety valve 15 may be set to automatically open when the pressure in the hollow chamber 11 is 20 kgf / cm ² or more.

  In one embodiment, the mold 3 is any one of an airbag mold, a press mold, a resin transfer molding (RTM) mold, and a vacuum injection processing (VIP) mold. . The material of the mold 3 is a heat-conducting material such as metal or a non-heat-conducting material that is easy to process and harden, such as gypsum, cement, wood, glass fiber, ceramic sand and medium-density fiberboard (MDF). May be. The method of making the mold 3 with a non-heat-conducting material that is easy to process and harden is applied when producing a carbon fiber product sample, and can quickly produce the mold 3 and quickly obtain a sample of the carbon fiber product. This saves time and material costs. It should be noted that the mold 3 does not have to be heated.

  1, 2, and 3, in one embodiment, the carbon fiber product molding apparatus 100 further includes a control unit 500 that is connected to the vacuum pump 7, the heat medium source 8, and the refrigerant source 9, and includes an airbag. 4, the temperature and pressure of the high-temperature and high-pressure medium 13 a or the low-temperature and high-pressure medium 13 b that enter the air 4, the duration of introduction and discharge of the high-temperature and high-pressure medium 13 a into the airbag 4, ) And control the temperature. The control unit 500 is, for example, a programmable logic controller (PLC).

In one embodiment, a method for molding a carbon fiber product using the carbon fiber product molding apparatus 100 of the present invention includes the following steps. (1) The movable door 121 is opened, and the mold 3 is placed on the pressure plate 2. (2) One end of the first medium conduit 61 is connected to the first outer opening 34 and / or the first bag opening 41, the other end of the first medium conduit 61 is connected to the medium inlet 52, and the second medium conduit 62 One end is connected to the second outer opening 35 and / or the second bag opening 42, and the other end of the second medium conduit 62 is connected to the medium outlet 54. (3) The pressure plate 2 above and below the mold 3 is driven to move toward the mold 3 to tighten the mold 3. (4) Close the movable door 121. (5) The high temperature and high pressure medium 13 a of the heat medium source 8 is caused to enter the airbag 4 via the medium inlet 52. The temperature of the high-temperature and high-pressure medium 13a may be 65 ° C to 180 ° C. (6) The vacuum pump 7 is opened and the hollow chamber 11 is evacuated. (7) The control unit 500 is activated, the temperature and pressure of the high-temperature and high-pressure medium 13a entering the airbag 4, the introduction of the high-temperature and high-pressure medium 13a entering the airbag 4 into the airbag 4, and the discharge from the airbag 4. And the pressure (or vacuum level) and temperature of the hollow chamber 11 to control the air bag 4 to have different temperature ranges (or different time ranges) and within different temperature ranges (or time ranges). The control unit 500 simultaneously closes the atmospheric inlet 53 depending on the situation. In one embodiment, first, a high temperature / high pressure medium 13a having a temperature of 65 to 70 ° C. and a pressure of ² to 15 kgf / cm ² , preferably 13 to 15 kgf / cm ² is introduced into the airbag 4. At the same time as 13a is controlled so that the process of introducing and discharging the airbag 4 continues for at least 10 to 20 minutes, the internal pressure of the hollow chamber 11 is at least 1 standard atmospheric pressure, preferably 0.6 standard atmospheric pressure. The atmospheric air inlet 53 is closed by controlling to lower to the following. Next, the high-temperature and high-pressure medium 13 a having a temperature of 100 to 150 ° C. and a pressure of ² to 15 kgf / cm ² is introduced into the airbag 4, and the high-temperature and high-pressure medium 13 a is introduced into the airbag 4 and discharged from the airbag 4. The process is controlled to last at least 2 minutes, and at the same time, the internal pressure of the hollow chamber 11 is controlled to decrease to at least 0.1 standard atmospheric pressure or less. Thereafter, 5~20kgf / cm ² pressure of the high-temperature high-pressure medium 13a in the airbag 4, preferably maintained at 13~15kgf / cm ^2, the process was affixed to the outer surface of the airbag 4, or covers This is continued for 40 to 60 minutes until the plurality of carbon fiber composite material layers are gradually cured and the core material 5 in the airbag 4 is dissolved at a high temperature. (8) The medium inlet 52 does not inject the original high-temperature high-pressure medium 13a from the heat medium source 8, but instead injects the low-temperature high-pressure medium 13b of 5 to 10 ° C. from the refrigerant source 9 for a certain period of time, The plurality of carbon fiber composite material layers 30 attached or coated on the outer surface of the airbag 4 are cooled. The pressure of the low-temperature and high-pressure medium 13b is also maintained at 5 to 20 kgf / cm ² for 15 to 25 minutes to hold the airbag 4 in an inflated state. (9) The injection of the low-temperature and high-pressure medium 13 b is stopped, the atmospheric inlet 53 is opened, and the air enters the hollow chamber 11 from the atmospheric inlet 53. (10) Open the movable door 121, remove the first medium conduit 61 and the second medium conduit 62, and take out the mold 3. (11) Open the mold 3 and take out the carbon fiber product.

  Referring to FIG. 6, in another embodiment, the first airbag 4a, the second airbag 4b, and the third airbag 4c are embedded in the hole 33a located in the female mold 32a, and each of the bags is the above. The two openings (not shown) that can be introduced and discharged as described above, each opening having an external opening (not shown) corresponding to the hole 33a, the first airbag 4a, the second airbag 4b, When the temperatures of the high-temperature and high-pressure medium 13a entering the third airbag 4c are different from each other, an optimum molding temperature condition is given to different parts of the carbon fiber product.

  The carbon fiber product forming apparatus required by the present invention is an internal heating method, that is, the air bag is directly heated instead of the mold, and the vacuum degree in the hollow chamber is changed and the high temperature and pressure in the air bag are increased. Due to the interaction of the medium temperature and pressure fluctuation, the residual gas is completely discharged from the carbon fiber composite layer before the temperature of the different temperature range of the airbag reaches the glass transition temperature Tg of the carbon fiber composite. In addition, since heating is performed from the inside to the outside, the internal lamination of the carbon fiber composite laminate is cured prior to the external lamination, and the heated gas is released from the external lamination. The carbon fiber product thus produced has excellent strength, no bubbles, stable quality, and a wide range of applications. Compared with the external heating method (ie, mold heating) adopted by existing technology, according to the carbon fiber product molding apparatus according to the present invention, the carbon fiber prepreg in the conventional technique is polymerized in the mold. Since the residual gas generated in the carbon fiber composite material is removed when heated until it is heated, (1) Air traps are less likely to occur, (2) Heating is uniform, (3) Size is stable, (4) Saving Heat energy (5) Shortening the heating time (6) The product has the advantage that it can produce products with complex shapes, and the carbon fiber product produced has a bubble-free rate of up to 99% or more, or completely bubble-free become. In addition, since the mold does not need to be heated, it is possible to use a non-heat-conducting material such as gypsum, cement, wood, glass fiber, ceramic sand, or medium density filament plate. Proofing can be achieved.

  The above are only preferred embodiments of the present invention, and do not limit the scope of rights claimed in the present invention. The above description is clear and feasible for those skilled in the art. Accordingly, any equivalent modification or addition achieved without departing from the spirit of the present invention is included in the scope of the claims claimed in the present invention.

DESCRIPTION OF SYMBOLS 100 Carbon fiber product shaping | molding apparatus 1 Case 11 Hollow chamber 12 Wall surface 121 Movable door 2 Pressure plate 3 Mold 30 Carbon fiber composite material layer 31 Male mold 32 Female mold 32a Female mold 33 Hole 33a Hole 34 First outside opening 35 Second outside Opening 4 Airbag 4a First airbag 4b Second airbag 4c Third airbag 41 First bag opening 42 Second bag opening 5 Core material 51 Extraction port 52 Medium inlet 53 Atmosphere inlet 54 Medium outlet 6 Medium conduit 61 First Medium conduit 62 Second medium conduit 7 Vacuum pump 8 Heat medium source 81 Outlet 82 Inlet 9 Refrigerant source 91 Outlet 92 Inlet 10 Drive unit 13a High temperature high pressure medium 13b Low temperature high pressure medium 15 Safety valve 500 Control unit

Claims (10)

A carbon fiber product molding apparatus,
A housing having a hollow chamber and a wall for sealing the hollow chamber, the housing having a bleed port, a medium inlet, an openable / closable atmosphere inlet and a medium outlet on the wall, wherein the bleed port is a vacuum pump A housing that introduces air outside the housing when the atmospheric inlet is open, and the medium inlet and the medium outlet are respectively connected to the outlet and the inlet of the medium source;
At least two pressure plates provided in the hollow chamber;
The pressure plate is provided on one of the pressure plates and between the two pressure plates, and has a male mold and a female mold. A hole is formed between the male mold and the female mold. At least one mold forming an opening and a second outer opening;
At least one airbag provided in the hole, the first bag opening being installed in the vicinity of the first outer opening, and the second bag opening being installed in the vicinity of the second outer opening;
A first medium conduit disposed within the hollow chamber, having one end connected to a first external opening and the other end connected to a medium inlet;
A second medium conduit having one end connected to the second outer opening and the other end connected to the medium outlet;
The outer surface of the airbag is affixed or covered with a plurality of carbon fiber composite layers, and the medium source is a high-pressure medium in order of the medium inlet, the first medium conduit, the first outer opening, and the first bag. The air bag is introduced into the airbag through an opening, and further returns to the medium source through the second bag opening, the second outer opening, the second medium conduit, and the medium outlet in order, and thus differs from the airbag. A temperature range, and introduction and discharge of the hot medium of high pressure in the airbag into the airbag have different durations in different temperature ranges, and the gas in the hollow chamber A carbon fiber product molding apparatus characterized by being extracted by the extraction port and the vacuum pump, and having different pressure levels in different temperature ranges of the airbag.   The carbon fiber product molding apparatus according to claim 1, wherein the number of the airbags is two or more.   The carbon fiber product molding apparatus according to claim 1, further comprising a safety valve for preventing the pressure in the hollow chamber from becoming excessive on the wall surface of the housing. Carbon fiber product forming apparatus according to claim 1, wherein the pressure of the high-pressure medium is ^{2kgf / cm 2 ~15kgf / cm 2} .   The carbon fiber product molding apparatus according to claim 4, wherein the medium source is a heat medium source, and the temperature of the high-pressure medium is 65 ° C to 180 ° C.   6. The carbon fiber product molding apparatus according to claim 5, wherein an internal pressure of the hollow chamber is at least 1 standard atmospheric pressure or less.   The carbon fiber product molding apparatus according to claim 4, wherein the medium source is a refrigerant source, and the temperature of the high-pressure medium is 5 to 10 ° C.   The vacuum pump and the medium source are connected, the temperature and pressure of introduction and discharge of the high-temperature high-pressure medium into the airbag, the high-temperature medium is introduced into the airbag and The carbon fiber product molding apparatus according to claim 1, further comprising a control unit that controls a duration for discharging from the airbag and a pressure and temperature in the hollow chamber.   The carbon fiber product molding apparatus according to claim 8, wherein the control unit is a programmable logic controller (PLC).   2. The carbon fiber product molding apparatus according to claim 1, wherein the material of the mold is one of metal, gypsum, cement, wood, glass fiber, ceramic sand, and medium density filament plate.

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