CN218803402U - Forming die applied to S-shaped variable cross-section structure air inlet channel - Google Patents
Forming die applied to S-shaped variable cross-section structure air inlet channel Download PDFInfo
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- CN218803402U CN218803402U CN202222726808.0U CN202222726808U CN218803402U CN 218803402 U CN218803402 U CN 218803402U CN 202222726808 U CN202222726808 U CN 202222726808U CN 218803402 U CN218803402 U CN 218803402U
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- 238000013461 design Methods 0.000 abstract description 5
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- 239000002131 composite material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides a be applied to forming die of S type variable cross section structure intake duct, includes the base, the central point of base puts and is provided with a base recess, is vertical fixed being provided with a mandrel in this base recess, and the mould body department of mandrel is provided with movable block mould subassembly, and each movable block of this movable block mould subassembly assembles to base recess department and mandrel according to the order on, and the upper segment position and a lip mouth mould of movable block mould subassembly are connected, and the top of mandrel and movable block mould subassembly is provided with the fixed plate. The utility model discloses a make profile precision in the intake duct high, fail safe nature high, maneuverability is strong, carry out the block design to each loose piece of mould to carry out abundant draft analysis, can simulate mould equipment and drawing of patterns process when actual production, the risk is low. The utility model discloses an all parts are the metal material, and are durable, can use repeatedly, can be used to the production of batch product.
Description
Technical Field
The utility model relates to a mould field of manufacturing especially relates to a be applied to S type intake duct forming die of aviation manufacturing technology.
Background
At present, carbon fiber composite materials are widely applied to the field of aerospace due to the characteristics of light weight and high strength, and particularly applied to the field of airplanes/unmanned aerial vehicles, so that the carbon fiber composite materials have more excellent performance.
And aircraft/unmanned aerial vehicle' S S type variable cross section structure intake duct can improve the efficiency of admitting air by a wide margin, reduces the radar reflection wave of intake duct to improve the stealth performance of organism, consequently more and more scientific research personnel select for use S type variable cross section structure combined material intake duct at the organism.
The S-shaped variable cross-section structure air inlet channel in the prior art usually adopts a resin matrix carbon fiber composite autoclave molding process, and in order to meet the pneumatic requirement, an inner profile must ensure that air flow can circulate unimpededly, so a male mold molding scheme is adopted, the male mold for molding the S-shaped variable cross-section structure air inlet channel is mainly divided into a metal combined mold, a soluble mold or a destructible mold, and the metal combined mold can be frequently selected for use when the mass product is produced because the soluble mold and the destructible mold are complex in manufacturing process and high in cost and cannot be repeatedly used. However, the feedback of field workers in actual production shows that the S-shaped air inlet channel is of a variable cross-section structure, and the air inlet channel has a closed angle structure, so that the demolding speed of the metal combined mold is low, and errors possibly occur in accuracy, and how to design the metal combined mold is effective, quick and accurate to ensure smooth demolding always puzzles the production of the S-shaped variable cross-section structure air inlet channel.
SUMMERY OF THE UTILITY MODEL
In order to solve metal composite mold drawing of patterns speed under the prior art slower, the problem of error probably appears in the accuracy, the utility model provides a be applied to the forming die of S type combined material variable cross section structure intake duct, it is high, the maneuverability is strong to have the drawing of patterns precision, drawing of patterns is fast, and can use repeatedly.
The utility model discloses a be applied to forming die of S type variable cross section structure intake duct, its concrete structure as follows:
the utility model provides a be applied to forming die of S type variable cross section structure intake duct, includes the base, its characterized in that:
the base is of a plane plate-shaped structure, the lower part of the base is provided with a pad foot, the central position of the base is provided with a base groove, a core mould is vertically and fixedly arranged in the base groove, the lower end of the core mould is connected with the base groove in a positioning pin and fixing bolt connecting mode, and the lower section of the core mould is of a hollow structure;
the movable block die assembly is arranged at the die body of the core die, each movable block of the movable block die assembly is assembled to the base groove and the core die in sequence, and the upper end of the movable block die assembly is flush with the upper end of the core die;
the movable block mould assembly is connected, positioned and fixed with a lip mould at the upper section of the movable block mould assembly by using a connection mode of a positioning pin and a fixing bolt;
the top of mandrel and movable block mould subassembly be provided with the fixed plate, this fixed plate is flat structure, is provided with fixed connection hole on the face of fixed plate, this fixed connection hole matches with the top of mandrel and the connecting hole at the top of movable block mould subassembly, promptly, this fixed plate is connected the mandrel with the movable block mould subassembly through locating pin and fixing bolt's connected mode and is fixed.
Above-mentioned all spare parts are the metal material, use digit control machine tool processing to form, fix a position and fix through locating pin and bolt between each part, it is great to consider the intake duct size, if all select for use the steel material can increase the transportation, difficulty during transportation and dismouting, therefore the steel material is chooseed for use as the major structure of whole mould to base and mandrel, keep the stability of mould, and fixed plate and stripper plate are less because of the size, also select for use the steel material, the aluminium material is then chooseed for use to lip mould and each movable block of constituteing movable block mould subassembly, reduce the whole weight of mould.
According to the utility model discloses a be applied to forming die of S type variable cross section structure intake duct, its characterized in that, the movable block mould subassembly include movable block, no. two movable blocks, no. three movable blocks, no. four movable blocks, no. five movable blocks, no. six movable blocks, no. seven movable blocks, no. eight movable blocks, no. nine movable blocks and No. ten movable blocks, wherein, movable block, no. nine movable blocks and No. ten movable blocks set up in the cavity position department of the hypomere of mandrel according to order through the locating pin in the base recess of base; the second movable block, the third movable block, the fourth movable block, the fifth movable block and the sixth movable block are respectively arranged at the middle section of the core die through movable block positioning pins; and the seven movable block and the eight movable block are arranged at the positions on two sides of the back of the upper section of the core mold, and the whole movable block mold assembly is connected with the base and the core mold through the preset shape positioning.
According to the utility model discloses a be applied to forming die of S type variable cross section structure intake duct, a serial communication port, the processing of each movable block of movable block mould subassembly be provided with recess and connecting hole, and be provided with the connecting hole equally in the corresponding position of base recess and mandrel, use fixing bolt to carry out each other fixed with each movable block and base recess and mandrel.
According to the utility model discloses a be applied to forming die of S type variable cross section structure intake duct, a serial communication port, the base be provided with rings in the corner position of face above that, the fork truck groove has been seted up to the pad foot department that the base lower part set up.
The design aim at here, because bottom plate + movable block mould subassembly whole quality is heavier, so for making things convenient for the transportation and the dismouting of mould, be provided with rings on the base, pad foot department fork truck groove. In addition, each movable block of the core mould, the lip mould and the movable block mould assembly can also be provided with a hanging ring according to the requirement.
According to the utility model discloses a be applied to forming die of S type variable cross section structure intake duct, a serial communication port, the base face department be provided with the stripper plate above that, this stripper plate is flat structure, fixes on the base through fixing bolt, the stripper plate is provided with two locating pins, this locating pin matches with the locating pin hole that is located nine number of movable blocks and ten number of movable blocks of movable block mould subassembly lower part position, the stripper plate carries out supplementary drawing of patterns with these two movable blocks when the drawing of patterns.
Besides the demoulding plate provided with the positioning pin, the demoulding plate is of a flat plate structure and provided with a connecting hole and a top thread hole, and the demoulding plate is matched with the connecting hole of the movable block, so that the movable block can move in the vertical direction and is used for assisting in demoulding the movable block vertically upwards. In addition, a U-shaped configuration of the stripper plate may be used if translational assisted stripping is desired.
The utility model discloses a be applied to forming die of S type variable cross section structure intake duct, it relates to the main points as follows:
because S type combined material intake duct is for closing angle and variable cross section structure, the loose piece of metal composite die need be taken out respectively from the both sides of intake duct and just can realize the smooth drawing of patterns, considers the convenience and the security of operation simultaneously, and the mould adopts the form of erectting to place, and the lip is up, and with engine connection end down, the equipment and the dismantlement of mould all operate according to vertical direction. Because S type combined material intake duct closed angle structure is more, all need set up the loose piece in every closed angle position, simultaneously in order to guarantee that the loose piece can take out smoothly, the loose piece need carry out the translation in the intake duct inside, until vertical direction does not have the interference. Therefore, the mold is designed in a blocking mode that the movable block is arranged in the closed angle area, the movable block without the closed angle structure is arranged in the middle, the movable block without the closed angle structure in the middle is taken out firstly during demolding, then the movable block in the closed angle area is translated to the interference-free area, and then the movable block is taken out in the vertical direction. After the block design is finished, the die is fully subjected to die drawing analysis by utilizing the translation and collision functions in CATIA software, and the movable blocks can be smoothly demoulded according to the corresponding sequence.
Use the utility model discloses a be applied to forming die of S type variable cross section structure intake duct has obtained following beneficial effect:
(1) The utility model discloses a be applied to forming die of S type variable cross section structure intake duct and make the interior profile precision of intake duct high: all parts of the die are processed by a digital machine tool, and after the assembly is finished, the molded surface of the die is subjected to omnibearing scanning detection by using a laser scanner, so that the product precision and design requirements are met;
(2) The utility model discloses a be applied to forming die of S type variable cross section structure intake duct' S fail safe nature height: all parts of the die are connected in a mechanical mode, so that the safety is good, and the reliability is high.
The forming die applied to the S-shaped variable cross-section structural air inlet channel has strong operability, namely, each movable block of the die is designed in a partitioning mode according to the detailed structure of the S-shaped air inlet channel, the die is fully pulled out for analysis, the die assembling and demolding processes can be simulated during actual production, the risk is low, and the operability is strong;
(4) The utility model discloses a be applied to forming die of S type variable cross section structure intake duct can use repeatedly: all parts of the die are made of metal materials, are firm and durable, can be repeatedly used, and can be used for production of batch products.
Drawings
Fig. 1 is a front view of a specific structure of a forming mold applied to an S-shaped variable cross-section structure air inlet duct of the present invention;
fig. 2 is a left side view of a specific structure of the forming mold applied to the S-shaped variable cross-section structure air inlet duct of the present invention;
fig. 3 is a right side view of a concrete structure of a forming mold applied to an S-shaped variable cross-section structure air inlet duct of the present invention;
fig. 4 is a specific structure diagram of a base and a core mold of a forming mold for an S-shaped variable cross-section air inlet duct according to the present invention;
fig. 5 is a schematic drawing (1) of a demolding of a forming mold applied to an S-shaped variable cross-section structure air inlet duct of the present invention;
fig. 6 is a schematic drawing (2) of a demolding of a forming mold for an S-shaped variable cross-section air inlet duct according to the present invention;
in the figure: 1-base, 1 a-foot pad, 1 b-base groove, 1 c-lifting ring, 2-core mold, 2 a-fixed connecting hole, 3-lip mold, 4-fixed plate, 5-demoulding plate, 5 a-positioning pin, A-movable block mold component, A1-movable block, A2-movable block, A3-movable block, A4-movable block, A5-movable block, A6-movable block, A7-movable block, A8-movable block, A9-movable block, and A10-movable block.
Detailed Description
The following describes the technical means, creation features, achievement purposes and effects of the forming mold applied to the S-shaped variable cross-section structure inlet duct of the present invention with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 6, a forming mold applied to an S-shaped variable cross-section structure air inlet duct includes a base 1, which is a planar plate-shaped structure, and has a foot pad 1a at the lower part thereof, a base groove 1b at the central position of the base, a core mold 2 vertically fixed in the base groove, and the lower end of the core mold is connected with the base groove by a connection manner of a positioning pin and a fixing bolt, and the lower section of the core mold is a hollow structure;
a movable block mold assembly A is arranged at the mold body of the core mold 2, each movable block of the movable block mold assembly is assembled to the base groove and the core mold in sequence, and the upper end of the movable block mold assembly is flush with the upper end of the core mold;
the movable block mould component A is connected, positioned and fixed with a lip mould 3 at the upper section position thereof by using a connection mode of a positioning pin and a fixing bolt;
the top of the core mould 2 and the movable block mould component A is provided with a fixed plate 4 which is of a flat plate structure, the surface of the fixed plate is provided with a fixed connecting hole 2a, the fixed connecting hole is matched with the top of the core mould and the connecting hole at the top of the movable block mould component A, namely, the core mould and the movable block mould component are connected and fixed by the fixed plate through a connecting mode of a positioning pin and a fixing bolt.
The movable block mold assembly A comprises a first movable block A1, a second movable block A2, a third movable block A3, a fourth movable block A4, a fifth movable block A5, a sixth movable block A6, a seventh movable block A7, an eighth movable block A8, a ninth movable block A9 and a tenth movable block A10, wherein the first movable block, the ninth movable block and the tenth movable block are sequentially arranged at the hollow position of the lower section of the core mold 2 through positioning pins in a base groove 1b of the base 1; the second movable block, the third movable block, the fourth movable block, the fifth movable block and the sixth movable block are respectively arranged at the middle section of the core die through movable block positioning pins; and the seven movable block and the eight movable block are arranged at the positions on two sides of the back of the upper section of the core mold, and the whole movable block mold assembly is connected with the base and the core mold through the preset shape positioning.
Grooves and connecting holes are formed in the movable blocks of the movable block mold assembly A, the corresponding positions of the base groove 1b and the core mold 2 are also provided with the connecting holes, and the movable blocks, the base groove and the core mold are fixed by fixing bolts.
The base 1 is provided with rings 1c at four corners of the upper plate surface thereof, and a forklift groove is formed in a pad 1a arranged at the lower part of the base.
The base 1 is provided with a stripper plate 5 on the upper plate surface, the stripper plate is of a flat plate structure and is fixed on the base through a fixing bolt, the stripper plate is provided with two positioning pins 5a, the positioning pins are matched with positioning pin holes of a nine-number movable block A9 and a ten-number movable block A10 which are positioned at the lower part of a movable block mold assembly A, and the stripper plate is used for assisting in demolding the two movable blocks during demolding.
It should be noted that in this embodiment, in addition to the above-described stripper plate provided with the positioning pin, there is also a stripper plate of a flat plate structure provided with a connecting hole and a jackscrew hole, which is matched with the connecting hole of the movable block, and can realize the movement of the movable block in the vertical direction for auxiliary stripping of the movable block vertically upward. In addition, a U-shaped configuration of the stripper plate can be used if translational assisted stripping is desired.
Examples
The utility model discloses a be applied to forming die of S type variable cross section structure intake duct is that concrete implementation is as follows:
1) Firstly, a base 1 and a core mould 2 are connected and fixed by using a positioning pin and a fixing bolt, and the base 1 and the core mould are used as a main body structure of a mould;
2) Then assembling the movable blocks of the movable block mold assembly A one by one according to the assembling sequence of a No. ten movable block A10, a No. nine movable block A9, an No. eight movable block A8, a No. seven movable block A7, a No. one movable block A1, a No. two movable block A2, a No. three movable block A3, a No. four movable block A4, a No. five movable block A5 and a No. six movable block A6;
3) The step 2) is specifically as follows: the first movable block, the ninth movable block and the tenth movable block are sequentially arranged at the hollow position of the lower section of the core die through positioning pins in a base groove of the base; the second movable block, the third movable block, the fourth movable block, the fifth movable block and the sixth movable block are respectively arranged at the middle section of the core die through movable block positioning pins; the seventh movable block and the eighth movable block are arranged at the two sides of the back of the upper section of the core mold;
4) Fixing each movable block in the step 2) with the base groove and the core mold through a connecting hole of each movable block in a fixing bolt mode, immediately connecting each movable block after positioning and installation, and confirming that the movable blocks and the core mold form preset shape positioning;
5) After all the movable blocks are completely installed, the movable block mold assembly and the top of the core mold are connected and fixed by using a fixed plate 4;
6) Cleaning the assembled mould, and brushing a release agent to form and lay the S-shaped variable cross-section structure composite material air inlet channel;
7) After the S-shaped air inlet main body structure is paved, the lip is paved, and after the main body structure is completely paved, the lip mold and the main body mold are positioned and fixed by using positioning pins and bolts. Then, performing operations such as vacuum bag pasting and autoclave curing on the air inlet channel according to the requirements of the process files, and discharging and drawing a mold after the air inlet channel is cured;
8) The drawing steps are as follows:
firstly, a lip die and a fixed plate at the top of the die are dismantled, fixing bolts connected with all movable blocks are dismantled, then all the movable blocks are dismantled from a base and a core die by using a stripper plate, the dismantling sequence is from a first movable block to an eighth movable block, then a ninth movable block and a tenth movable block are connected and fixed by using the fixed plate again, an S-shaped air inlet channel, the fixed plate, the ninth movable block and the tenth movable block are vertically drawn out from the base and the core die together by using a truss vehicle, and the ninth movable block and the tenth movable block are drawn out from the lower part of the air inlet channel by using the truss vehicle and the stripper plate, so that smooth demoulding of the S-shaped air inlet channel is finally realized, and the S-shaped variable cross-section structure composite material air inlet channel with smooth and flat inner profile is obtained.
The utility model discloses a be applied to forming die of S type variable cross section structure intake duct makes profile precision height, fail safe nature height, maneuverability is strong and can use repeatedly in the intake duct.
However, those skilled in the art should recognize that the above-described embodiments are illustrative only and not limiting to the present application, and that changes and modifications to the above-described embodiments are intended to fall within the scope of the claims of the present application, provided they fall within the true spirit and scope of the present application.
Claims (5)
1. The utility model provides a be applied to forming die of S type variable cross section structure intake duct, includes base (1), its characterized in that:
the base (1) is of a plane plate-shaped structure, the lower part of the base is provided with a pad foot (1 a), the central position of the base is provided with a base groove (1 b), a core mould (2) is fixedly arranged in the base groove in a vertical shape, the lower end of the core mould is connected with the base groove in a connection mode of a positioning pin and a fixing bolt, and the lower section of the core mould is of a hollow structure;
a movable block mold assembly (A) is arranged at the mold body of the core mold (2), each movable block of the movable block mold assembly is sequentially assembled to the base groove and the core mold, and the upper end of the movable block mold assembly is flush with the upper end of the core mold;
the movable block mold component (A) is connected, positioned and fixed with a lip mold (3) at the upper section position thereof by using a connection mode of a positioning pin and a fixing bolt;
the top of mandrel (2) and movable block mould subassembly (A) be provided with fixed plate (4), this fixed plate is flat structure, is provided with fixed connection hole (2 a) on the face of fixed plate, the connecting hole matching of the top of this fixed connection hole and mandrel and the top of movable block mould subassembly (A), promptly, this fixed plate of connected mode through locating pin and fixing bolt is connected the mandrel with movable block mould subassembly fixedly.
2. The forming die for the air inlet duct with the S-shaped variable cross-section structure of claim 1, wherein the movable block die assembly (A) comprises a first movable block (A1), a second movable block (A2), a third movable block (A3), a fourth movable block (A4), a fifth movable block (A5), a sixth movable block (A6), a seventh movable block (A7), an eighth movable block (A8), a ninth movable block (A9) and a tenth movable block (A10), wherein the first movable block, the ninth movable block and the tenth movable block are sequentially arranged at a hollow position of the lower section of the core die (2) through positioning pins in a base groove (1 b) of the base (1); the second movable block, the third movable block, the fourth movable block, the fifth movable block and the sixth movable block are respectively arranged at the middle section of the core die through movable block positioning pins; the seven movable block and the eight movable block are arranged at the two sides of the back of the upper section of the core mold, and the whole movable block mold assembly is connected with the base and the core mold through the preset shape positioning.
3. The forming mold for an S-shaped variable cross-section structure air intake duct according to claim 1, wherein the movable blocks of the movable block mold assembly (a) are provided with grooves and connecting holes, the corresponding positions of the base groove (1 b) and the core mold (2) are also provided with connecting holes, and the movable blocks, the base groove and the core mold are fixed to each other by fixing bolts.
4. The forming mold for the S-shaped variable cross-section structure air inlet duct according to claim 1, wherein the base (1) is provided with hanging rings (1 c) at four corners of the upper plate surface thereof, and a forklift groove is formed at a foot pad (1 a) arranged at the lower part of the base.
5. The forming mold for an S-shaped variable cross-section air inlet duct according to claim 1, wherein the base (1) is provided at its upper plate surface with a stripper plate (5) having a flat plate structure and fixed to the base by fixing bolts, the stripper plate is provided with two positioning pins (5 a) matching with the positioning pin holes of the nine-numbered movable block (A9) and the ten-numbered movable block (a 10) at the lower position of the movable block mold assembly (a), and the stripper plate performs auxiliary mold release of the two movable blocks during mold release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222726808.0U CN218803402U (en) | 2022-10-17 | 2022-10-17 | Forming die applied to S-shaped variable cross-section structure air inlet channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222726808.0U CN218803402U (en) | 2022-10-17 | 2022-10-17 | Forming die applied to S-shaped variable cross-section structure air inlet channel |
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| Publication Number | Publication Date |
|---|---|
| CN218803402U true CN218803402U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222726808.0U Active CN218803402U (en) | 2022-10-17 | 2022-10-17 | Forming die applied to S-shaped variable cross-section structure air inlet channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119953000A (en) * | 2025-01-26 | 2025-05-09 | 广联航空工业股份有限公司 | Unmanned target missile aircraft composite material fuselage and air inlet forming mold and method |
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2022
- 2022-10-17 CN CN202222726808.0U patent/CN218803402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119953000A (en) * | 2025-01-26 | 2025-05-09 | 广联航空工业股份有限公司 | Unmanned target missile aircraft composite material fuselage and air inlet forming mold and method |
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