CN214111575U - Large-scale composite product molding system - Google Patents
Large-scale composite product molding system Download PDFInfo
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- CN214111575U CN214111575U CN202023231844.7U CN202023231844U CN214111575U CN 214111575 U CN214111575 U CN 214111575U CN 202023231844 U CN202023231844 U CN 202023231844U CN 214111575 U CN214111575 U CN 214111575U
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000000465 moulding Methods 0.000 title claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model discloses a large composite material product molding system, which comprises a mold body, a vacuumizing module, a pressurizing module and a heating module; the die body comprises a forming female die and a top cover, and a cavity is arranged on the forming female die; the vacuumizing module comprises a vacuum pump and a vacuum tube, one end of the vacuum tube is connected with the vacuum pump, and the other end of the vacuum tube is connected with a vacuum bag film, so that the layered composite material is preliminarily molded; the pressurizing module comprises an air source and a pressurizing pipe assembly, one end of the pressurizing pipe assembly is connected with the air source, and the other end of the pressurizing pipe assembly is communicated with the cavity so as to pressurize the preliminarily molded composite material; the heating module comprises a heating cavity and a heating mechanism arranged in the heating cavity, and the forming female die is positioned in the heating cavity to heat the composite material subjected to preliminary forming to complete final forming. The system for heating and pressurizing is effectively integrated, the cost for molding large-scale composite material products is reduced, and the molding quality of the large-scale composite material products is improved.
Description
Technical Field
The utility model relates to a combined material shaping technical field specifically is a large-scale combined material product molding system.
Background
At present, the conventional general forming methods for large composite material products mainly comprise three methods:
the first one is to adopt a hot press, and finish the molding of the large-scale composite material product in a way that the temperature rise and the pressure of the hot press are matched with the molding of a mold;
secondly, an autoclave is adopted, and the molding of the large-scale composite material product is completed by using a mode of pressurizing and heating the autoclave and matching with the molding of a mold;
and thirdly, the curing oven is adopted, and the curing oven is used for completing the molding of the large-scale composite material product in a mode of heating, vacuum pump and vacuum bag film adsorption.
However, for large-scale composite material products, the devices for heating and pressurizing have higher requirements, the required pressurizing, heating and curing equipment is difficult to meet the molding requirements of the large-scale products, and the larger pressurizing, heating and curing equipment needs to be redesigned, but the manufacturing cost of the composite material products is increased suddenly after the larger pressurizing, heating and curing equipment is designed and used, so that the concept of quick and low-cost manufacturing is not met.
SUMMERY OF THE UTILITY MODEL
To the not enough among the above-mentioned prior art, the utility model discloses based on traditional intensification pressure forming method, the adjustment optimizes the mould overall arrangement, effectively integrates systems such as intensification pressurization, borrows the autoclave forming technology for reference simultaneously, provides a large-scale combined material product molding system, is applicable to the quick low-cost shaping of big type combined material product.
In order to achieve the purpose, the utility model provides a large-scale composite material product molding system, which comprises a mold body, a vacuumizing module, a pressurizing module and a heating module;
the mould body comprises a forming female mould and a top cover, wherein a cavity capable of laying a composite material and a vacuum bag film is arranged on the forming female mould, and the top cover is detachably covered on the cavity;
the vacuum pumping module comprises a vacuum pump and a vacuum tube, one end of the vacuum tube is connected with the vacuum pump, and the other end of the vacuum tube is detachably connected with a vacuum bag film, so that the layered composite material is preliminarily molded;
the pressurizing module comprises an air source and a pressurizing pipe assembly, one end of the pressurizing pipe assembly is connected with the air source, and the other end of the pressurizing pipe assembly is communicated with the cavity so as to be used for pressurizing the preliminarily molded composite material;
the heating module comprises a heating cavity and a heating mechanism arranged in the heating cavity, the forming female die is positioned in the heating cavity and used for heating the composite material after primary forming to complete final forming.
In one embodiment, the die body is provided with:
the pressure gauge is used for acquiring the pressure in the cavity after the pressurization treatment;
a safety valve for ensuring the pressure in the cavity to be within an allowable range;
and the air release valve is used for releasing air and reducing pressure after the molding is finished or after the overpressure is generated.
In one embodiment, the pressure gauge is connected to the die body through a pressure gauge valve and used for plugging a pipeline of the pressure gauge when the pressure gauge is identified and maintained;
the safety valve is connected to the die body through a safety on-off valve so as to be used for plugging a pipeline of the safety valve when the pressure gauge is maintained or replaced.
In one embodiment, the pressurizing pipe assembly comprises a stop valve, a pressure reducing valve, a connecting hose and an air inlet valve;
the stop valve is connected to the output end of the air source, the pressure reducing valve is connected to the stop valve, the air inlet valve is arranged on the die body and communicated with the cavity, and the pressure reducing valve is connected with the air inlet valve through a connecting hose.
In one embodiment, a resin tube is arranged at one end of the vacuum tube, which is connected with the vacuum bag film through the resin tube.
In one embodiment, the female forming die and the top cover are fixedly connected through an O-shaped ring and a bolt.
The utility model provides a pair of large-scale combined material product molding system, it is based on traditional intensification pressurization forming method, and the adjustment optimizes the mould overall arrangement, effectively integrates systems such as intensification pressurization, borrows the autoclave forming technology for reference simultaneously, directly utilizes heating module and pressurization module to heat, pressurization processing to the product, has reduced large-scale combined material product fashioned cost, and the effectual shaping quality that improves large-scale combined material product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large composite product molding system according to an embodiment of the present invention.
Reference numerals: the device comprises a female forming die 101, a top cover 102, a cavity 103, a pressure gauge 104, a safety valve 105, an air release valve 106, a pressure gauge valve 107, a safety on-off valve 108, a vacuum pump 201, a vacuum tube 202, a resin tube 203, an air source 301, a stop valve 302, a pressure reducing valve 303, a connecting hose 304, an air inlet valve 305, a shell 401, a heating tube 402, a blower 403 and a compartment 404.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Fig. 1 shows a molding system for a large composite product disclosed in this embodiment, which specifically includes a mold body, a vacuum-pumping module, a pressurizing module, and a heating module. The die comprises a die body and a die cover, wherein the die body comprises a forming female die 101 and a top cover 102, a cavity 103 capable of laying a composite material and a vacuum bag film is arranged on the forming female die 101, the top cover 102 detachably covers the cavity 103, and specifically, the forming female die 101 and the top cover 102 are fixedly connected through an O-shaped ring and bolts; the vacuumizing module comprises a vacuum pump 201 and a vacuum pipe 202, one end of the vacuum pipe 202 is connected with the vacuum pump 201, and the other end of the vacuum pipe 202 is detachably connected with a vacuum bag film, so that the layered composite material is preliminarily molded; the pressurizing module comprises an air source 301 and a pressurizing pipe assembly, one end of the pressurizing pipe assembly is connected with the air source 301, and the other end of the pressurizing pipe assembly is communicated with the cavity 103 so as to be used for pressurizing the preliminarily molded composite material; the heating module comprises a heating cavity and a heating mechanism arranged in the heating cavity, and the forming female die 101 is located in the heating cavity and used for carrying out heating treatment on the preliminarily formed composite material to finish the final forming of a large composite material product. The molding system is based on the traditional heating and pressurizing molding method, the layout of the mold is adjusted and optimized, the heating and pressurizing systems are effectively integrated, the autoclave molding technology is used for reference, the heating module and the pressurizing module are directly used for heating and pressurizing the product, the molding cost of the large composite material product is reduced, and the molding quality of the large composite material product is effectively improved.
Specifically, the die body is provided with a pressure gauge 104 communicated with the cavity 103, a safety valve 105 and a vent valve 106. The pressure gauge 104 is used for monitoring the pressure in the cavity 103 in the pressurizing process and acquiring the starting time of the heating module; the safety valve 105 is used for ensuring that the pressure in the cavity 103 is within an allowable range, the safety valve 105 can be automatically opened to reduce the pressure of the cavity 103 when the pressure in the cavity 103 exceeds a maximum limit value, and the safety valve 105 can be automatically closed when the pressure in the cavity 103 is lower than the maximum limit value; the air release valve 106 is used for releasing air and reducing pressure after molding is finished or overpressure is carried out. Specifically, the pressure gauge 104 is connected to the die body through a pressure gauge valve 107, so as to be used for plugging the pipeline of the pressure gauge 104 when the pressure gauge 104 is identified and maintained; the safety valve 105 is connected to the die body through a safety on-off valve 108 for plugging the piping of the safety valve 105 when the safety valve 105 is repaired or replaced. In this embodiment, the pressure gauge 104, the safety valve 105 and the air release valve 106 are all disposed on the top cover 102.
More specifically, the pressurization pipe assembly includes a stop valve 302, a pressure reducing valve 303, a connection hose 304 and an air inlet valve 305, wherein the stop valve 302 is connected to an output end of the air source 301, the pressure reducing valve 303 is connected to the stop valve 302, the air inlet valve 305 is provided on the mold body and communicates with the cavity 103, and the pressure reducing valve 303 and the air inlet valve 305 are connected through the connection hose 304. In the embodiment, a 40L 15MPa standard nitrogen cylinder is adopted as the gas cylinder, a standard pressure reducing valve 303 is adopted as the pressure reducing valve 303, the gas inlet pressure is 15MPa, and the outlet pressure is 0.1-1.6MPa and is adjustable.
Preferably, a resin pipe 203 is arranged at one end of the vacuum pipe 202, which is connected with the vacuum bag film, and the vacuum pipe 202 is connected with the vacuum bag film through the resin pipe 203, wherein the resin pipe is a threaded pipe, so as to prevent the resin material from entering the vacuum pump 201 through the vacuum pipe 202 when the vacuum-pumping module is used for vacuum-pumping the impregnated composite material.
In the present embodiment, the heating module adopts an air convection heating mode, and specifically, the heating module comprises a housing 401, a heating pipe 402, a controller and a temperature sensor, the housing 401 is an open-top heating cavity groove-shaped structure, the forming cavity die 101 is prevented from being in the housing 401, and a spacing cavity 404 is formed between the outer wall of the forming cavity die 101 and the inner wall of the housing 401. The heating tube 402 is disposed at the bottom of the inner wall of the housing 401 and within the compartment 404. A temperature sensor is disposed on the outer wall of the molding cavity die 101 for detecting the heating temperature. The controller is disposed outside the housing 401 and electrically connected to the heating pipe 402 for controlling the heating power of the heating pipe 402. Wherein, the heating pipe 402, the controller and the temperature sensor constitute the above-mentioned heating mechanism together, preferably, the heating mechanism includes the air-blower 403, the quantity of air-blower 403 is a plurality of and be annular interval and establish in compartment 404, and each air-blower 403 all with the fixed linking to each other of shell 401's inner wall detachable, take out the hot-air to upper portion from the bottom in heating chamber through air-blower 403, increase the air convection efficiency, and then make the more even being heated of shaping bed die 101, can let large-scale combined material product reach good shaping quality. Certainly, the utility model provides a heating module is not just limited to air convection heating mode yet, and when required heating temperature was relatively lower, also can adopt hydrothermal mode, lets in hot water at casing 401 inner loop promptly, soaks the bottom of shaping bed die 101 in hot water, and then realizes the heat treatment to shaping bed die 101.
The working process of the large-scale composite material product forming system specifically comprises the following steps:
step 1, laying a pre-dipped composite material in a cavity 103 of a forming female die 101 according to a conventional laying mode, and laying a vacuum bag film after laying is finished;
step 2, connecting the vacuum tube 202 with the vacuum bag film, starting the vacuum pump 201, pumping the pre-dipped composite material to vacuum, closing the vacuum pump 201, and removing the vacuum tube 202 on the vacuum bag film to finish the primary molding of the product;
step 3, covering the top cover 102 on the cavity 103 of the forming female die 101, arranging an O-shaped ring on the connecting surface of the top cover 102 and the forming female die 101 for sealing, and fixing the periphery by using screws;
step 4, opening the stop valve 302, the pressure gauge valve 107, the safety on-off valve 108 and the safety valve 105, and after closing the air outlet valve, rotating a hand wheel on the pressure reducing valve 303 to gradually open the pressure reducing valve 303;
step 5, opening the air inlet valve 305 and starting the heating mechanism after the outlet pressure of the reducing valve 303 reaches a preset value so as to perform inflation pressurization and heating treatment on the cavity 103;
step 6, finishing the final molding of the product after a preset time;
step 7, closing the heating mechanism, the air inlet valve 305 and the stop valve 302, loosening a hand wheel of the reducing valve 303 to deflate, and then detaching a connecting hose 304 between the reducing valve 303 and the air inlet valve 305;
and 8, opening an air outlet valve, removing the top cover 102 after the air in the die body is discharged, and demolding after the forming female die 101 is cooled to obtain a high-quality large-scale composite material product.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (6)
1. A large-scale composite material product molding system is characterized by comprising a mold body, a vacuumizing module, a pressurizing module and a heating module;
the mould body comprises a forming female mould and a top cover, wherein a cavity capable of laying a composite material and a vacuum bag film is arranged on the forming female mould, and the top cover is detachably covered on the cavity;
the vacuum pumping module comprises a vacuum pump and a vacuum tube, one end of the vacuum tube is connected with the vacuum pump, and the other end of the vacuum tube is detachably connected with a vacuum bag film, so that the layered composite material is preliminarily molded;
the pressurizing module comprises an air source and a pressurizing pipe assembly, one end of the pressurizing pipe assembly is connected with the air source, and the other end of the pressurizing pipe assembly is communicated with the cavity so as to be used for pressurizing the preliminarily molded composite material;
the heating module comprises a heating cavity and a heating mechanism arranged in the heating cavity, the forming female die is positioned in the heating cavity and used for heating the composite material after primary forming to complete final forming.
2. The large composite product molding system according to claim 1, wherein the mold body is provided with:
the pressure gauge is used for acquiring the pressure in the cavity after the pressurization treatment;
a safety valve for ensuring the pressure in the cavity to be within an allowable range;
and the air release valve is used for releasing air and reducing pressure after the molding is finished or after the overpressure is generated.
3. The large composite material product molding system according to claim 2, wherein the pressure gauge is connected to the mold body through a pressure gauge valve for plugging a pipeline of the pressure gauge during pressure gauge identification and maintenance;
the safety valve is connected to the die body through a safety on-off valve so as to be used for plugging a pipeline of the safety valve when the pressure gauge is maintained or replaced.
4. The large composite product molding system according to claim 1, 2 or 3, wherein the pressurized pipe assembly comprises a shut-off valve, a pressure reducing valve, a connecting hose and an air intake valve;
the stop valve is connected to the output end of the air source, the pressure reducing valve is connected to the stop valve, the air inlet valve is arranged on the die body and communicated with the cavity, and the pressure reducing valve is connected with the air inlet valve through a connecting hose.
5. The large composite product molding system according to claim 1, 2 or 3, wherein a resin tube is provided on one end of the vacuum tube connected to the vacuum bag film through the resin tube.
6. The large composite product molding system according to claim 1, 2 or 3, wherein the female molding die and the top cover are fixedly connected through an O-shaped ring and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231844.7U CN214111575U (en) | 2020-12-28 | 2020-12-28 | Large-scale composite product molding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231844.7U CN214111575U (en) | 2020-12-28 | 2020-12-28 | Large-scale composite product molding system |
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| Publication Number | Publication Date |
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| CN214111575U true CN214111575U (en) | 2021-09-03 |
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| CN202023231844.7U Active CN214111575U (en) | 2020-12-28 | 2020-12-28 | Large-scale composite product molding system |
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| CN (1) | CN214111575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693135A (en) * | 2020-12-28 | 2021-04-23 | 宁波曙翔新材料股份有限公司 | Large composite material product forming system and forming process |
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- 2020-12-28 CN CN202023231844.7U patent/CN214111575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693135A (en) * | 2020-12-28 | 2021-04-23 | 宁波曙翔新材料股份有限公司 | Large composite material product forming system and forming process |
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Assignee: Zhejiang Huamao Aerospace Technology Co.,Ltd. Assignor: NINGBO SHUXIANG NEW MATERIAL Co.,Ltd. Contract record no.: X2023330000869 Denomination of utility model: A Large Composite Material Product Forming System Granted publication date: 20210903 License type: Exclusive License Record date: 20231122 |