CN219486340U - Composite material molded surface forming die for airplane - Google Patents
Composite material molded surface forming die for airplane Download PDFInfo
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- CN219486340U CN219486340U CN202320517875.3U CN202320517875U CN219486340U CN 219486340 U CN219486340 U CN 219486340U CN 202320517875 U CN202320517875 U CN 202320517875U CN 219486340 U CN219486340 U CN 219486340U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a composite material molded surface forming die for an aircraft, which comprises a base plate and a bottom die. The beneficial effects are that: according to the utility model, the air cylinder, the top groove, the blocking and the second vacuum pump are adopted, when the composite material for the airplane is subjected to hot press molding, the composite material can be placed into the molding cavity, the hydraulic rod is stretched, in the hot press process, the air cylinder keeps the stretching state, the bottom surface of the blocking and the bottom surface of the top mold are positioned in the same curved surface, after the hot press is finished, the air cylinder is shortened, the blocking is pulled to move upwards, then the second vacuum pump is started, air between the air pipe, the shunt pipe, the air pipe channel and the top groove and the molded composite material is pumped, so that a negative pressure state is formed in a space between the lower part of the blocking and the molded composite material, the molded composite material is sucked, then the hydraulic rod is shortened, the top mold and the molded composite material can be pulled to move upwards, the molded composite material is taken out of the molding cavity, the trouble of manual taking is omitted, the demolding and the discharging are facilitated, and the convenience in use is improved.
Description
Technical Field
The utility model relates to the technical field of composite profile molding for an aircraft, in particular to a composite material profile molding die for an aircraft.
Background
In the production process of aircraft parts, composite materials are often used, including composite material door panels, composite material fuselages, composite material wings and the like, traditional composite materials are molded in a hot-pressing or stamping mode, and a main-stream composite material molding die is a hot-pressing die.
After searching, it is found that the publication number is CN210257394U, the name is an aircraft composite door body forming die, the application provides that the majority of existing forming die is simple in structure, the mode of demolding is single through manual or ejecting, demolding is difficult, composite products are easy to damage, the service life of the die can be influenced, further production cost is increased, the problem of poor practicality is solved, the die is a stamping die, buffer is performed through a spring buffering mode, but the impact on the reduction of stamping efficiency can be caused after buffer due to the fact that larger stamping force is needed in the stamping process, forming is not facilitated, meanwhile, the application sets up a threaded rod and a top block to match, demolding is performed on the bottom of the die body when demolding is performed, the upper end of the top block is set to be concave and provided with a silica gel layer, the die is protected, the service life of the die is prolonged, through setting a vent pipe on a sealing valve, the sealing state and the vent state can be switched at will, cost is saved, the problem of poor practicality is solved, the fact that the threaded rod and the top block are matched to jack up the whole door body forming groove through careful reading, the inside composite products still need to be further formed after the composite door body is still located in the composite door body forming groove, and the composite door body can be still further formed.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a composite material profile molding die for an airplane, which has the advantage of being convenient for demolding and blanking, thereby solving the problems in the background art.
(II) technical scheme
In order to realize the advantages of convenient demolding and blanking, the utility model adopts the following specific technical scheme:
the utility model provides a combined material profile forming die for aircraft, includes bed plate and die block, bed plate top surface fixed mounting has the die block, and the bed plate top surface is located die block top fixed mounting has the support to the vertical fixed mounting of support top surface has the hydraulic stem, the piston rod bottom surface fixed mounting of hydraulic stem has the ejector die, and the ejector die is located the die block directly over to the ejector die bottom surface has seted up the roof groove, the inside interference fit of roof groove has the sprue, and roof groove one side is located the inside gas-supply passageway of having seted up of ejector die, and gas-supply passageway one end and roof groove link up the connection, the top die top surface is located the vertical fixedly connected with cylinder directly over the roof groove, and the piston rod of cylinder runs through roof groove and sprue top surface fixed connection, ejector die one end top surface fixed mounting has the second vacuum pump, and the second vacuum pump suction end link up and be connected with the gas-supply pipe to the gas-supply pipe link up through shunt tubes, sprue bottom surface shape and ejector die bottom surface shape phase-match, the die cavity has been seted up to inside, and the die block inside is located into the die cavity below and wears to be equipped with the heating pipe.
Further, one end of the top surface of the base plate is located at one side of the bottom die and is fixedly provided with a first vacuum pump, the suction end of the first vacuum pump is in through connection with an exhaust pipe, an exhaust channel is formed in the bottom die, and two ends of the exhaust channel are respectively in through connection with the forming cavity and the exhaust pipe.
Further, a second electromagnetic valve is arranged at one end of the air pipe close to the second vacuum pump, and two groups of air pipes and the first vacuum pump are symmetrically arranged along the vertical central line of the top die.
Further, the surface of the exhaust pipe is provided with a first electromagnetic valve.
Further, the depth of the top groove is two times larger than the height of the block, and a plurality of groups of top grooves and blocks are arranged.
Further, the support top surface corresponds cylinder, gas-supply pipe and second vacuum pump top and runs through the groove of stepping down, and step down the groove and be logical groove.
Further, the hydraulic rods are arranged in a plurality, and the hydraulic rods work synchronously.
(III) beneficial effects
Compared with the prior art, the utility model provides the composite material profile molding die for the aircraft, which has the following beneficial effects:
(1) The utility model adopts the air cylinder, the top groove, the blocking and the second vacuum pump, when the composite material for the airplane is hot-pressed and molded, the composite material can be placed into the molding cavity, the hydraulic rod stretches to push the top mold and the bottom mold to be assembled, then the heating pipe is started to heat, the hydraulic rod continuously provides pressure, in the hot pressing process, the air cylinder keeps the stretching state, the bottom surface of the blocking and the bottom surface of the top mold are positioned in the same curved surface, after the hot pressing is finished, the air cylinder is shortened, the blocking is pulled to move upwards, then the second vacuum pump is started, air between the air delivery pipe, the shunt pipe, the air delivery channel and the top groove and the molded composite material is extracted, so that the space between the lower part of the blocking and the molded composite material forms a negative pressure state, the molded composite material is sucked, then the hydraulic rod is shortened, the top mold and the molded composite material can be pulled to move upwards, the molded composite material is taken out of the molding cavity, the trouble of manual taking out is saved, the demolding and the discharging is convenient, and the convenience of use is improved.
(2) The utility model adopts the first vacuum pump and the exhaust pipe, the first vacuum pump is started in the process of closing the top die and the bottom die, and the air in the exhaust channel and the forming cavity is pumped through the exhaust pipe, so that the air is prevented from intervening in the hot pressing process, the generation of bubbles is reduced, the hot pressing forming efficiency is improved, and the use is very convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a molding die for molding a composite material surface for an aircraft;
FIG. 2 is an enlarged view of node A of a molding die of a composite material molded surface for an aircraft;
FIG. 3 is a side view of a composite profile molding die for an aircraft in accordance with the present utility model;
fig. 4 is a schematic view showing the external structure of the top mold according to the present utility model.
In the figure:
1. a base plate; 2. a bottom die; 3. a molding cavity; 4. heating pipes; 5. an air extraction channel; 6. a first vacuum pump; 7. an exhaust pipe; 8. a first electromagnetic valve; 9. a second vacuum pump; 10. a relief groove; 11. a hydraulic rod; 12. a bracket; 13. a gas pipe; 14. a top mold; 15. a shunt; 16. a gas transmission channel; 17. a top groove; 18. blocking; 19. a cylinder; 20. and a second electromagnetic valve.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a composite profile molding die for an aircraft is provided.
The utility model will now be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a composite material profile molding die for an aircraft according to an embodiment of the utility model includes a base plate 1 and a bottom die 2, the bottom die 2 is fixedly installed on the top surface of the base plate 1, the support 12 is fixedly installed above the bottom die 2, the hydraulic rod 11 is vertically and fixedly installed on the top surface of the support 12, the top die 14 is fixedly installed on the bottom surface of a piston rod of the hydraulic rod 11, the top die 14 is located right above the bottom die 2 and is a common hot-pressing device, no excessive description is made here, the bottom surface of the top die 14 is provided with a top groove 17, a blocking block 18 is in interference fit inside the top groove 17, one side of the top groove 17 is located inside the top die 14 and is provided with a gas transmission channel 16, one end of the gas transmission channel 16 is in through connection with the top groove 17, the gas transmission channel 16 is in an L-shaped structure, the top surface of the top die 14 is vertically and fixedly connected with a cylinder 19 right above the top groove 17, a piston rod of the cylinder 19 penetrates through the top groove 17 and is fixedly connected with the top surface of the blocking block 18, a second vacuum pump 9 is fixedly installed on the top surface of one end of the top die 14, the air suction end of the second vacuum pump 9 is in through connection with an air delivery pipe 13, the air delivery pipe 13 is in through connection with an air delivery channel 16 through a shunt pipe 15, the bottom surface shape of the blocking block 18 is matched with the bottom surface shape of the top die 14, hot-pressing gaps are reduced, a forming cavity 3 is formed in the bottom die 2, a heating pipe 4 is penetrated below the forming cavity 3 in the bottom die 2, the composite material can be placed into the forming cavity 3 when the composite material for an airplane is hot-pressed, the hydraulic rod 11 stretches to push the top die 14 to be matched with the bottom die 2, then the heating pipe 4 is started to heat, the hydraulic rod 11 continuously provides pressure in the hot-pressing process, the cylinder 19 keeps the extension state, the bottom surface of the blocking 18 and the bottom surface of the top die 14 are positioned in the same curved surface, after the hot pressing is finished, the cylinder 19 is shortened, the blocking 18 is pulled to move upwards, then the second vacuum pump 9 is started, air between the air delivery pipe 13, the shunt pipe 15, the air delivery channel 16 and the top groove 17 and the molded composite material is extracted, so that a space between the lower part of the blocking 18 and the molded composite material forms a negative pressure state, the molded composite material is sucked, and after that, the hydraulic rod 11 is shortened, the top die 14 and the molded composite material can be pulled to move upwards, the molded composite material is taken out of the molding cavity 3, the trouble of manual taking out is omitted, the demolding and the blanking are facilitated, and the convenience of use is improved.
In one embodiment, the first vacuum pump 6 is fixedly installed on one side of the top surface of the base plate 1, and the suction end of the first vacuum pump 6 is in through connection with the suction pipe 7, the suction channel 5 is arranged in the bottom die 2, two ends of the suction channel 5 are respectively in through connection with the forming cavity 3 and the suction pipe 7, in the process of closing the top die 14 and the bottom die, the first vacuum pump 6 is started, air in the suction channel 5 and the forming cavity 3 is pumped through the suction pipe 7, the air is prevented from intervening in the hot pressing process, the generation of bubbles is reduced, the hot pressing forming efficiency is improved, and the use is very convenient.
In one embodiment, a second electromagnetic valve 20 is installed at one end of the air pipe 13 close to the second vacuum pump 9, the second vacuum pump 9 is opened when in operation, and two groups of air pipes 13 and the first vacuum pump 6 are symmetrically arranged along the vertical central line of the top die 14, so that the stability of vacuum suction fixation is improved.
In one embodiment, the suction pipe 7 is surface mounted with a first solenoid valve 8, and the first vacuum pump 6 is opened when in operation.
In one embodiment, the depth of the top groove 17 is larger than twice the height of the blocking piece 18, and the top groove 17 and the blocking piece 18 are provided with a plurality of groups, one end of the air suction channel 5 is in through connection with the lower part of the top groove 17, so that the air suction channel 5 and the top groove 17 form a through structure when the air cylinder 19 is contracted.
In one embodiment, the top surface of the bracket 12 corresponds to the upper parts of the cylinder 19, the air pipe 13 and the second vacuum pump 9, and a yielding groove 10 is formed in a penetrating manner, and the yielding groove 10 is a through groove, so that the cylinder 19, the air pipe 13 and the second vacuum pump 9 can conveniently move up and down.
In one embodiment, the hydraulic rods 11 are provided in plurality, and the hydraulic rods 11 work synchronously to improve the stability of the movement of the top die 14.
Working principle:
when the composite material for the aircraft is subjected to hot press molding, the composite material can be placed into the molding cavity 3, the hydraulic rod 11 stretches to push the top mold 14 to be clamped with the bottom mold 2, then the heating pipe 4 starts to heat, the hydraulic rod 11 continuously provides pressure, in the hot press process, the air cylinder 19 keeps the stretching state, the bottom surface of the block 18 and the bottom surface of the top mold 14 are positioned in the same curved surface, after the hot press is finished, the air cylinder 19 shortens, the block 18 is pulled to move upwards, then the second vacuum pump 9 starts to pump air between the air delivery pipe 13, the shunt pipe 15, the air delivery channel 16 and the top groove 17 and the molded composite material, a negative pressure state is formed in the space between the lower part of the block 18 and the molded composite material, the molded composite material is sucked, and then the hydraulic rod 11 shortens, the top mold 14 and the molded composite material can be pulled to move upwards, the molded composite material is taken out into the cavity 3, the trouble of manual taking out is omitted, the demolding is facilitated, the convenience of use is improved, meanwhile, in the process of clamping the top mold 14 and the bottom mold is started in the process, the first vacuum pump 6 is started, the air suction channel 7 is inserted into the cavity 5, the air suction efficiency is reduced, and the air suction efficiency is prevented from being produced in the hot press molding process, and the air is not convenient to be used for molding.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a combined material profile forming die for aircraft, its characterized in that includes bed plate (1) and die block (2), bed plate (1) top surface fixed mounting has die block (2), and bed plate (1) top surface is located die block (2) top fixed mounting has support (12), and support (12) top surface vertical fixed mounting has hydraulic stem (11), piston rod bottom surface fixed mounting of hydraulic stem (11) has ejector die (14), and ejector die (14) are located die block (2) directly over, and ejector die (14) bottom surface has seted up overhead groove (17), inside interference fit of overhead groove (17) has putty (18), and ejector die (17) one side is located ejector die (14) inside and has seted up gas transmission passageway (16), and gas transmission passageway (16) one end and overhead groove (17) link up the connection, ejector die (14) top surface is located overhead groove (17) top vertical fixed connection have cylinder (19), and the piston rod of cylinder (19) runs through overhead groove (17) and piece (18) top surface fixed connection, overhead groove (14) inside interference fit has putty (18) to have plug (18) in the inside, and second vacuum pump (13) are connected with vacuum delivery pipe (13) and vacuum delivery pipe (13) link up, the bottom surface shape of the blocking block (18) is matched with the bottom surface shape of the top die (14), a forming cavity (3) is formed in the bottom die (2), and a heating pipe (4) is arranged below the forming cavity (3) in a penetrating mode in the bottom die (2).
2. The molding die for the composite material for the aircraft according to claim 1, wherein one end of the top surface of the base plate (1) is fixedly provided with a first vacuum pump (6) on one side of the bottom die (2), the suction end of the first vacuum pump (6) is in through connection with an exhaust pipe (7), an exhaust channel (5) is formed in the bottom die (2), and two ends of the exhaust channel (5) are respectively in through connection with the molding cavity (3) and the exhaust pipe (7).
3. The molding die of the composite material for the aircraft according to claim 1, wherein a second electromagnetic valve (20) is installed at one end of the air pipe (13) close to the second vacuum pump (9), and two groups of air pipes (13) and the first vacuum pump (6) are symmetrically arranged along the vertical center line of the top die (14).
4. A composite profile molding die for aircraft according to claim 2, characterized in that the air extraction pipe (7) is surface-mounted with a first solenoid valve (8).
5. The composite profile molding die for the aircraft according to claim 1, wherein the depth of the top groove (17) is larger than twice the height of the blocking block (18), and a plurality of groups of the top groove (17) and the blocking block (18) are arranged.
6. The molding die of the composite material for the aircraft according to claim 1, wherein a relief groove (10) is formed in the top surface of the bracket (12) corresponding to the cylinder (19), the air pipe (13) and the upper part of the second vacuum pump (9), and the relief groove (10) is a through groove.
7. The composite molding die for the aircraft according to claim 1, wherein a plurality of hydraulic rods (11) are provided, and the hydraulic rods (11) work synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320517875.3U CN219486340U (en) | 2023-03-16 | 2023-03-16 | Composite material molded surface forming die for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320517875.3U CN219486340U (en) | 2023-03-16 | 2023-03-16 | Composite material molded surface forming die for airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219486340U true CN219486340U (en) | 2023-08-08 |
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ID=87477667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320517875.3U Active CN219486340U (en) | 2023-03-16 | 2023-03-16 | Composite material molded surface forming die for airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219486340U (en) |
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2023
- 2023-03-16 CN CN202320517875.3U patent/CN219486340U/en active Active
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