CN116001322A - RTM forming tool and forming method for guide vane composite material part - Google Patents
RTM forming tool and forming method for guide vane composite material part Download PDFInfo
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- CN116001322A CN116001322A CN202211679119.7A CN202211679119A CN116001322A CN 116001322 A CN116001322 A CN 116001322A CN 202211679119 A CN202211679119 A CN 202211679119A CN 116001322 A CN116001322 A CN 116001322A
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- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 12
- 239000003292 glue Substances 0.000 claims abstract description 44
- 239000006260 foam Substances 0.000 claims abstract description 41
- 238000000465 moulding Methods 0.000 claims abstract description 30
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 20
- 239000011152 fibreglass Substances 0.000 claims abstract description 19
- 238000005187 foaming Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an RTM forming tool for a guide vane composite material part, which comprises an outer skin preform forming die, a left end rib preform forming die, a right end rib preform forming die, a wire filling area preform forming die, a foam sandwich layer gluing forming die and an RTM main body forming die; the skin prefabricated body forming die is used for paving and forming the equal-thickness area of the skin, the left end rib prefabricated body forming die and the right end rib prefabricated body forming die are respectively used for paving and forming the equal-thickness area of the left end rib and the right end rib, the wire filling area prefabricated body forming die is used for forming the unequal-thickness closed area of the skin and the end rib, the foam sandwich layer gluing forming die is used for solidifying and forming the foam sandwich, the end rib and the glass fiber reinforced plastic mosaic block by adopting foaming glue, and the RTM main body forming die is used for integrally solidifying and forming the formed skin, the left end rib, the right end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block. The invention solves the problem that the composite material is difficult to mold, and ensures the assembly precision and the integral molding precision.
Description
Technical Field
The invention discloses an RTM forming tool and a forming method of a guide vane composite material part, and particularly is suitable for forming of a flap guide vane composite material part.
Background
With the wider application of composite materials on aircrafts and the wider and wider process of forming composite material parts, the manufacturing technology is also mature, the complex structural members of the original metal materials are also made of composite materials, especially flap guide vanes, and after being changed into composite material parts, the guide vanes 100 are made of composite material foam sandwich structures with variable curvature, slivers and carbon fiber, as shown in fig. 1, the guide vanes 100 are composed of a skin 101, a foam sandwich 104, an end rib 103 and a glass reinforced plastic mosaic 105, the skin 101 and the end rib 103 are all closed parts, the foam sandwich 104 and the glass reinforced plastic mosaic 105 are embedded in the skin 101, the conventional paving, curing and cementing procedures of the conventional composite material parts can not be used for forming the parts, and the conventional advanced RTM forming technology is required to be applied for forming the parts, so that a tool based on the RTM forming technology is required to be designed for forming the composite material guide vanes.
Disclosure of Invention
The invention aims to provide an RTM forming tool and a forming method for a guide vane composite material part, and the die is particularly suitable for forming a flap guide vane composite material part and can be used for forming a closing part embedded with a foam sandwich and a glass fiber reinforced plastic mosaic block.
The invention provides an RTM forming tool for a guide vane composite material part, which comprises a skin preform forming die, a left end rib preform forming die, a right end rib preform forming die, a wire filling area preform forming die, a foam sandwich layer gluing forming die and an RTM main body forming die; wherein: the skin prefabricated body forming die is used for paving and forming the equal-thickness area of the skin, the left end rib prefabricated body forming die and the right end rib prefabricated body forming die are respectively used for paving and forming the equal-thickness area of the left end rib and the right end rib, the wire filling area prefabricated body forming die is used for forming the unequal-thickness closed area of the skin and the end rib, the foam sandwich layer gluing forming die is used for solidifying and forming the foam sandwich, the end rib and the glass fiber reinforced plastic mosaic block by adopting foaming glue, and the RTM main body forming die is used for integrally solidifying and forming the formed skin, the left end rib, the right end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block.
Further, the skin prefabrication body forming die comprises a bottom plate, skin prefabrication body forming die bodies and limiting blocks, the limiting blocks are respectively arranged at two ends of the bottom plate, the skin prefabrication body forming die bodies are arranged on the bottom plate and located between the two limiting blocks, and hanging rings are respectively arranged at two sides of the front end face of the bottom plate.
Further, the wire filling area prefabricated body forming die comprises an end rib wire filling area prefabricated body forming die and a skin wire filling area prefabricated body forming die, the end rib wire filling area prefabricated body forming die and the skin wire filling area prefabricated body forming die are respectively composed of a bottom plate and a wire filling die body, hanging rings are arranged on the bottom plate, and the wire filling die body is formed by overlapping three templates with molded surfaces on one side.
Further, the foam sandwich layer gluing forming die consists of two gluing die bodies, wherein the two ends of the inner part of one gluing die body are respectively provided with an end stop, and the two sides of the inner part are respectively provided with a front edge stop.
Further, the RTM main body forming die comprises an RTM forming upper die and an upper die frame arranged on the RTM forming upper die, an upper forming die cavity is arranged at the bottom of the RTM forming upper die, a plurality of glue injection copper nozzles are uniformly distributed on one side of the upper surface of the RTM forming upper die, and a plurality of glue outlet copper nozzles are uniformly distributed on the other side of the upper surface of the RTM forming upper die;
the lower die comprises an RTM lower die and a lower die frame arranged at the bottom of the RTM lower die, a lower molding die cavity matched with the upper molding die cavity is arranged on the RTM lower die, end rib positioning blocks are respectively arranged at two ends of the lower molding die cavity, and a plurality of gumming grooves and foam positioning pressing plates are arranged in the lower molding die cavity;
two sealing grooves are arranged on the periphery of the RTM forming lower die, sealing elements are arranged in the sealing grooves,
positioning structures are respectively arranged around the RTM upper die and the RTM lower die, and precise positioning structures are arranged at opposite angles between the RTM upper die and the RTM lower die.
Further, the positioning structure comprises a guide post and a guide sleeve, wherein the guide post is installed around the RTM forming lower die through a screw, and the guide sleeve is installed in guide sleeve holes around the RTM forming upper die through a stop block and a screw.
Further, the fine positioning structure comprises a taper pin and an inner expander, the taper pin is matched with the taper surface of the inner expander, the taper pin is installed in a pin hole of an RTM forming lower die through a screw, and the inner expander is installed in an installation hole of an RTM forming upper die through the screw.
Furthermore, universal hanging rings are arranged on the RTM forming upper die and the RTM forming lower die, and compression screws and stripping screws are distributed around the RTM forming upper die.
Furthermore, the end rib positioning blocks adopt wedge-shaped inserts, and the end rib positioning blocks adopt a block design.
The invention also provides a guide vane forming method, which adopts the guide vane composite material part RTM forming tool and specifically comprises the following steps:
s1, paving and forming equal-thickness areas of a skin, a left end rib and a right end rib by using a skin preform forming die, a left end rib preform forming die and a right end rib preform forming die respectively;
s2, filling wires into non-uniform thickness areas of the skin, the left end rib and the right end rib by using a preformed body forming die of the wire filling area;
s3, utilizing a foam sandwich layer gluing forming die to fixedly form the left end rib, the right end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block by utilizing foam glue;
s4, placing the skin in a lower molding cavity of the RTM main body molding die, opening the skin, and integrally placing the cured end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block in the skin;
s5, closing the skin, installing an end rib positioning block in the lower die, positioning a product, loading a sealing piece into a sealing groove after positioning, and closing the die;
s6, turning the upper die and the lower die after die assembly by 90 degrees, enabling the glue injection copper nozzle to be arranged on the upper die, enabling the glue outlet copper nozzle to be arranged on the lower die, injecting glue through the glue injection copper nozzle, enabling the redundant glue to flow out of the glue outlet copper nozzle, solidifying and forming, screwing off a compression screw after forming is completed, screwing up a die-lifting screw, demolding the upper die from the lower die, taking out an end rib positioning block, taking out a product, and completing the whole forming process.
The invention has the beneficial effects that:
1) The invention uses the skin prefabrication body forming die to form the equal thickness area of the skin, uses the left end rib prefabrication body forming die and the right end rib prefabrication body forming die to form the equal thickness area of the left end rib and the right end rib respectively, then uses the wire filling area prefabrication body forming die to form the unequal thickness closed area of the skin and the end rib, then uses the foam sandwich layer gluing forming die to solidify and form the foam sandwich, the end rib and the glass reinforced plastic mosaic block by adopting the foaming glue, finally uses the RTM main body forming die to integrally solidify and form, thereby solving the problem that the composite material is difficult to form, and ensuring the assembly precision and the integral forming precision among accessory parts.
2) Limiting blocks are arranged at two ends of the mold body of the skin preform forming mold, so that the skin preform forming mold body can be prevented from collapsing, potential safety hazards are eliminated, the skin preform forming mold body and the limiting blocks are designed in a blocking manner, the manufacturing is convenient, and materials are saved;
3) The prefabricated body forming mould in the wire filling area is designed in a split mode, so that the manufacturing is convenient;
4) Two sealing grooves are arranged on the RTM main body forming die 6, so that the tightness of the inside of the die cavity is ensured;
5) The end rib positioning blocks adopt wedge-shaped inserts, and the positioning blocks are arranged into blocks so as to ensure the air tightness of the die cavity;
6) The RTM main body forming die adopts guide posts, guide sleeves and check blocks to form a positioning structure, the lengths of the guide posts which are diagonally arranged by the four guide posts are respectively equal in length, the lengths of two adjacent guide posts are respectively unequal in length, the die matching is convenient, the guide posts and the guide sleeves are used for coarse positioning, the gap is relatively large, the guide posts at two high points are diagonally positioned firstly, then the other two guide posts are positioned again, and finally the precise positioning is carried out by a precise positioner, so that the precise positioning of an upper die and a lower die is ensured, the positioning requirement on the upper die and the lower die in the RTM forming is particularly high, and the other guide posts are sealing requirements; the guide sleeve is in clearance with the upper die, so that the primary guiding effect of the upper die and the lower die is realized, the use is convenient, the guide sleeve protects the upper die, and the guide post is prevented from damaging the upper die; the stop block presses the guide sleeve to prevent the guide sleeve from falling off;
7) The upper die and the lower die of the RTM main body forming die are respectively provided with a set of fine positioning structures at opposite angles, so that the die assembly precision is ensured;
8) The contact parts of the glue injection copper nozzle and the glue outlet copper nozzle with the upper die are provided with O-shaped rubber rings, so that the air tightness of the die is ensured;
9) A large number of compression screws are arranged around the upper die and the lower die of the RTM main body forming die, so that the effect of compressing the sealing rubber strip is achieved, and the air tightness of the die cavity is ensured;
10 A plurality of stripping screws are arranged on an upper die of the RTM main body forming die, so that the upper die and the lower die are convenient to be stripped.
Drawings
FIG. 1 is a schematic view of a prior art deflector;
FIG. 2 is an isometric view of a skin preform molding die;
FIG. 3 is a schematic view of a right-end rib preform molding die;
FIG. 4 is a schematic view of a left end rib preform molding die;
FIG. 5 is a schematic view of an end rib filler wire area preform forming die;
FIG. 6 is a schematic view of a preform molding die for a skin filler region;
FIG. 7 is a schematic view of a glue mold;
FIG. 8 is a schematic diagram of an RTM forming die;
FIG. 9 is a top view of an RTM forming die;
FIG. 10 isbase:Sub>A cross-sectional view of the positioning structure shown in FIG. 9 along line A-A;
FIG. 11 is a cross-sectional view of the fine positioning structure shown in FIG. 9 along line B-B;
FIG. 12 is a cross-sectional view of the glue copper nozzle of FIG. 9 taken along line C-C;
FIG. 13 is a cross-sectional view of an RTM molding die;
FIG. 14 is a schematic diagram of a lower RTM molding die;
FIG. 15 is a top view of a lower RTM molding die;
in the figure: the manufacturing method comprises the steps of a skin preform forming die 1, a left end rib preform forming die 2, a right end rib preform forming die 3, a wire filling area preform forming die 4, a cementing die 5, an RTM main body forming die 6, a bottom plate 11, a skin preform forming die 12, a limiting block 13, a hanging ring 14, an end rib wire filling area preform forming die 41, a skin wire filling area preform forming die 42, a head stop 51, a front edge stop 52, an RTM forming upper die 61, an upper die frame 62, an RTM forming lower die 63, a lower die frame 64, a guide vane 100, a skin 101, a left end rib 102, a right end rib 103, a foam sandwich 104, a glass fiber reinforced plastic mosaic 105, wire filling die 411 and 421, an upper forming die cavity 610, a glue injection copper nozzle 611 and a glue outlet copper nozzle 612; compression screw 613, ejector screw 614, universal suspension ring 615, guide sleeve 616, stop 617, screw 618, internal expander 619, lower molding cavity 630, guide post 631, screw 632, taper pin 633, screw 634, O-shaped rubber ring 6121, end rib positioning blocks 6301-6304, glue flow groove 6305, seal groove 6306.
Detailed Description
The present invention will be further described by way of the following examples, however, the scope of the present invention is not limited to the following examples.
Examples: 1-8, an RTM forming tool for a composite material part of a guide vane mainly comprises: skin preform moulded die 1, left end rib preform moulded die 2, right end rib preform moulded die 3, wire filling area preform moulded die 4, foam sandwich layer glue moulded die, RTM main part moulded die 6, wherein: the skin preform forming die 1 is used for paving and forming the equal thickness area of the skin 101, the left end rib preform forming die 2 and the right end rib preform forming die 3 are respectively used for paving and forming the equal thickness area of the left end rib 102 and the right end rib 103, the wire filling area preform forming die 4 is used for forming the unequal thickness closed area of the skin 101 and the end rib, the foam sandwich layer gluing forming die is used for solidifying and forming the foam sandwich 104, the end rib and the glass fiber reinforced plastic mosaic block 105 by adopting foaming glue, and the RTM main body forming die 6 is used for integrally solidifying and forming the formed skin 101, the left end rib 102, the right end rib 103, the foam sandwich 104 and the glass fiber reinforced plastic mosaic block 105.
As shown in fig. 2, the skin preform forming die 1 comprises a bottom plate 11, skin preform forming die bodies 12 and limiting blocks 13, wherein the limiting blocks 13 are respectively arranged at two ends of the bottom plate 11, the skin preform forming die bodies 12 are arranged on the bottom plate 11 and located between the two limiting blocks 13, hanging rings 14 are respectively arranged at two sides of the front end surface of the bottom plate 11, limiting blocks are arranged at two ends of the skin preform forming die bodies, so that the skin preform forming die bodies can be prevented from collapsing, potential safety hazards are eliminated, the skin preform forming die bodies and the limiting blocks are designed in a blocking manner, the manufacturing is convenient, and materials are saved.
As shown in fig. 5 and 6, the wire filling area preform molding die 4 includes an end rib wire filling area preform molding die 41 and a skin wire filling area preform molding die 42, the end rib wire filling area preform molding die 41 and the skin wire filling area preform molding die 42 are respectively composed of a bottom plate and wire filling die bodies 411 and 421, the bottom plate is provided with hanging rings, the wire filling die bodies 411 and 421 are composed of three templates with molded surfaces on a single side in a front-back overlapping manner, and the wire filling area preform molding die is designed in a split mode and is convenient to manufacture.
As shown in fig. 7, the foam sandwich layer gluing forming die consists of two gluing die bodies, wherein the two ends of the inner part of one gluing die body are respectively provided with end stop blocks, and the two sides of the inner part are respectively provided with front edge stop blocks.
As shown in fig. 8-15, the RTM main body forming die 6 includes an RTM forming upper die 61 and an upper die frame 62 disposed on the RTM forming upper die 61, an upper forming die cavity 610 is disposed at the bottom of the RTM forming upper die 61, a plurality of glue injection copper nozzles 611 are uniformly distributed on one side of the upper surface of the RTM forming upper die 61 near the trailing edge wire filling area, and a plurality of glue discharge copper nozzles 612 are uniformly distributed on one side of the upper surface of the RTM forming upper die 61 far from the trailing edge wire filling area; the contact part of the glue injection copper nozzle 611 and the glue outlet copper nozzle 612 with the RTM upper molding die 61 is provided with an O-shaped rubber ring 6121, so that the air tightness of the die can be ensured; the lower mould includes RTM shaping lower mould 63 and sets up the lower mould frame 64 in RTM shaping lower mould 63 bottom, be equipped with the lower shaping die cavity 630 that matches with last shaping die cavity 610 on the RTM shaping lower mould 63, the both ends of lower shaping die cavity 630 are equipped with the end rib locating piece respectively, be equipped with a plurality of gumming grooves 6305 and foam location clamp plate in the lower shaping die cavity 630, gumming groove 6305 is used for injecting glue and play glue, gumming groove 6305's groove depth is 2.5 mm, gumming groove 6305's groove width is 16.5mm, the periphery of RTM shaping lower mould 63 is equipped with twice seal groove 6306, is equipped with the sealing member in the seal groove 6306, be equipped with location structure around between RTM shaping upper mould 61 and the RTM shaping lower mould 63 respectively, diagonal angle between RTM shaping upper mould 61 and the RTM shaping lower mould 63 is equipped with the accurate location structure, can guarantee the compound die precision through setting up location structure and accurate location structure.
Further, the positioning structure comprises guide posts 631 and guide sleeves 616, the guide posts 631 are arranged around the RTM forming lower die 63 through screws 632, the guide sleeves 616 are arranged in guide sleeve holes around the RTM forming upper die 61 through a stop block 617 and screws 618, the guide posts 631 diagonally arranged in the four guide posts 631 are equal in length, and two adjacent guide posts are unequal in length respectively, so that the die matching is facilitated; the guide sleeve 616 is in clearance with the upper die, so that the preliminary guiding effect of the upper die and the lower die is realized, the use is convenient, the guide sleeve 616 protects the upper die, and the guide post 631 is prevented from damaging the upper die; the stopper 617 presses the guide sleeve 616 to prevent the guide sleeve 616 from falling off.
Further, the fine positioning structure comprises a taper pin 633 and an inner expander 619, the taper pin 633 is in conical surface fit with the inner expander 619, the taper pin 633 is installed in a pin hole of the lower RTM forming die 63 through a screw 634, and the inner expander 619 is installed in an installation hole of the upper RTM forming die 61 through the screw 634.
Further, the upper RTM forming die 61 and the lower RTM forming die 63 are provided with universal hanging rings 615, and compression screws 613 and lifting screws 614 are distributed around the upper RTM forming die 61.
Furthermore, the end rib positioning blocks adopt wedge-shaped inserts, and the end rib positioning blocks adopt a block design.
The invention also provides a guide vane forming method, which adopts the guide vane composite material part RTM forming tool and specifically comprises the following steps:
s1, paving and forming equal-thickness areas of a skin 101, a left end rib 102 and a right end rib 103 by using a skin preform forming die 1, a left end rib preform forming die 2 and a right end rib preform forming die 3 respectively;
s2, filling wires into non-uniform thickness areas of the skin 101, the left end rib 102 and the right end rib 103 by using a wire filling area preform forming die 4;
s3, utilizing a foam sandwich layer gluing forming die to carry out foam glue solidification forming on the left end rib 102, the right end rib 103, the foam sandwich 104 and the glass fiber reinforced plastic mosaic block 105;
s4, placing the skin 101 in a lower molding cavity 630 of the RTM main body molding die 6, opening the skin 101, and integrally placing the cured end rib 103, the foam sandwich 104 and the glass fiber reinforced plastic mosaic 105 in the skin 101;
s5, closing the skin 101, then installing end rib positioning blocks in a lower die, positioning a product, loading a sealing piece into a sealing groove 6306 after positioning, and closing the die;
s6, turning the upper die and the lower die after die assembly by 90 degrees, enabling the glue injection copper nozzle 611 to be on, enabling the glue outlet copper nozzle 612 to be on, injecting glue through the glue injection copper nozzle 611, enabling the excessive glue to flow out of the glue outlet copper nozzle 612, curing and forming, screwing off the compression screw 613 after forming is completed, screwing up the die-drawing screw 614, demolding the upper die from the lower die, taking out the end rib positioning block, taking out the product, and completing the whole forming process.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. RTM shaping frock of guide vane combined material part, its characterized in that: the forming tool comprises an outer skin preform forming die, a left end rib preform forming die, a right end rib preform forming die, a wire filling area preform forming die, a foam sandwich layer gluing forming die and an RTM main body forming die; wherein: the skin prefabricated body forming die is used for paving and forming the equal-thickness area of the skin, the left end rib prefabricated body forming die and the right end rib prefabricated body forming die are respectively used for paving and forming the equal-thickness area of the left end rib and the right end rib, the wire filling area prefabricated body forming die is used for forming the unequal-thickness closed area of the skin and the end rib, the foam sandwich layer gluing forming die is used for solidifying and forming the foam sandwich, the end rib and the glass fiber reinforced plastic mosaic block by adopting foaming glue, and the RTM main body forming die is used for integrally solidifying and forming the formed skin, the left end rib, the right end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block.
2. The guide vane composite part RTM forming tool according to claim 1, characterized in that: the skin preform forming die comprises a bottom plate, skin preform forming die bodies and limiting blocks, wherein the limiting blocks are respectively arranged at two ends of the bottom plate, the skin preform forming die bodies are arranged on the bottom plate and located between the two limiting blocks, and hanging rings are respectively arranged at two sides of the front end face of the bottom plate.
3. The guide vane composite part RTM forming tool according to claim 1, characterized in that: the wire filling area prefabricated body forming die comprises an end rib wire filling area prefabricated body forming die and a skin wire filling area prefabricated body forming die, the end rib wire filling area prefabricated body forming die and the skin wire filling area prefabricated body forming die respectively comprise a bottom plate and a wire filling die body, hanging rings are arranged on the bottom plate, and the wire filling die body is formed by overlapping three templates with molded surfaces on one side.
4. The guide vane composite part RTM forming tool according to claim 1, characterized in that: the foam sandwich layer gluing forming die consists of two gluing die bodies, wherein the two ends of the inner part of one gluing die body are respectively provided with an end stop, and the two sides of the inner part are respectively provided with a front edge stop.
5. The guide vane composite part RTM forming tool according to claim 1, characterized in that: the RTM main body forming die comprises an RTM forming upper die and an upper die frame arranged on the RTM forming upper die, an upper forming die cavity is arranged at the bottom of the RTM forming upper die, a plurality of glue injection copper nozzles are uniformly distributed on one side of the upper surface of the RTM forming upper die, and a plurality of glue discharge copper nozzles are uniformly distributed on the other side of the upper surface of the RTM forming upper die;
the lower die comprises an RTM lower die and a lower die frame arranged at the bottom of the RTM lower die, a lower molding die cavity matched with the upper molding die cavity is arranged on the RTM lower die, end rib positioning blocks are respectively arranged at two ends of the lower molding die cavity, and a plurality of gumming grooves and foam positioning pressing plates are arranged in the lower molding die cavity;
two sealing grooves are arranged on the periphery of the RTM forming lower die, sealing elements are arranged in the sealing grooves,
positioning structures are respectively arranged around the RTM upper die and the RTM lower die, and precise positioning structures are arranged at opposite angles between the RTM upper die and the RTM lower die.
6. The guide vane composite part RTM forming tool according to claim 5, characterized in that: the positioning structure comprises a guide post and a guide sleeve, wherein the guide post is arranged around the RTM forming lower die through a screw, and the guide sleeve is arranged in guide sleeve holes around the RTM forming upper die through a stop block and a screw.
7. The guide vane composite part RTM forming tool according to claim 5, characterized in that: the precise positioning structure comprises a taper pin and an inner expander, the taper pin is matched with the taper surface of the inner expander, the taper pin is installed in a pin hole of an RTM forming lower die through a screw, and the inner expander is installed in an installation hole of an RTM forming upper die through the screw.
8. The guide vane composite part RTM forming tool according to claim 5, characterized in that: and the upper RTM forming die and the lower RTM forming die are respectively provided with a universal hanging ring, and compression screws and stripping screws are distributed around the upper RTM forming die.
9. The guide vane composite part RTM forming tool according to claim 5, characterized in that: the end rib positioning blocks adopt wedge-shaped inserts, and the end rib positioning blocks adopt a block design.
10. A method for forming a guide vane, which adopts the guide vane composite material part RTM forming tool as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, paving and forming equal-thickness areas of a skin, a left end rib and a right end rib by using a skin preform forming die, a left end rib preform forming die and a right end rib preform forming die respectively;
s2, filling wires into non-uniform thickness areas of the skin, the left end rib and the right end rib by using a preformed body forming die of the wire filling area;
s3, utilizing a foam sandwich layer gluing forming die to fixedly form the left end rib, the right end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block by utilizing foam glue;
s4, placing the skin in a lower molding cavity of the RTM main body molding die, opening the skin, and integrally placing the cured end rib, the foam sandwich and the glass fiber reinforced plastic mosaic block in the skin;
s5, closing the skin, installing an end rib positioning block in the lower die, positioning a product, loading a sealing piece into a sealing groove after positioning, and closing the die;
s6, turning the upper die and the lower die after die assembly by 90 degrees, enabling the glue injection copper nozzle to be arranged on the upper die, enabling the glue outlet copper nozzle to be arranged on the lower die, injecting glue through the glue injection copper nozzle, enabling the redundant glue to flow out of the glue outlet copper nozzle, solidifying and forming, screwing off a compression screw after forming is completed, screwing up a die-lifting screw, demolding the upper die from the lower die, taking out an end rib positioning block, taking out a product, and completing the whole forming process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211679119.7A CN116001322A (en) | 2022-12-26 | 2022-12-26 | RTM forming tool and forming method for guide vane composite material part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211679119.7A CN116001322A (en) | 2022-12-26 | 2022-12-26 | RTM forming tool and forming method for guide vane composite material part |
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| CN116001322A true CN116001322A (en) | 2023-04-25 |
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| CN202211679119.7A Pending CN116001322A (en) | 2022-12-26 | 2022-12-26 | RTM forming tool and forming method for guide vane composite material part |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118322609A (en) * | 2024-06-17 | 2024-07-12 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Skin mold closing process based on composite material spigot positioning structure |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190484B1 (en) * | 1999-02-19 | 2001-02-20 | Kari Appa | Monolithic composite wing manufacturing process |
| CN106671446A (en) * | 2016-11-23 | 2017-05-17 | 江苏恒神股份有限公司 | VARI (Vacuum Assistant Resin Infused) integral moulding clear dimension composite material ribbed structure manufacturing method |
| CN107627628A (en) * | 2017-09-28 | 2018-01-26 | 江苏恒神股份有限公司 | The more ear multi-cavity structures of composite and its manufacture method of RTM technique global formations |
| CN108284620A (en) * | 2017-11-30 | 2018-07-17 | 江西洪都航空工业集团有限责任公司 | A kind of composite material multi-wall type co-curing integral panel shaping dies |
| CN109094049A (en) * | 2018-09-04 | 2018-12-28 | 沈阳飞机工业（集团）有限公司 | H-type composite material honeycomb rib is manufactured method |
| CN109591329A (en) * | 2018-10-25 | 2019-04-09 | 江苏恒神股份有限公司 | A kind of carbon fiber full-height foam core filled composite material rudder face structure and preparation method thereof |
| CN109774199A (en) * | 2019-01-17 | 2019-05-21 | 江苏恒神股份有限公司 | A kind of forming method of carbon fibre composite rudder type structure |
| CN112549582A (en) * | 2020-11-03 | 2021-03-26 | 江西昌河航空工业有限公司 | Large foam interlayer part forming device and forming method |
| CN213056088U (en) * | 2020-08-14 | 2021-04-27 | 江苏恒神股份有限公司 | Molding tool for square beam-like structural parts made of composite materials |
| CN113772076A (en) * | 2021-08-24 | 2021-12-10 | 成都飞机工业（集团）有限责任公司 | Foam sandwich hat-shaped reinforced wall plate structure and integrated forming method |
| CN114932692A (en) * | 2022-06-13 | 2022-08-23 | 中航复合材料有限责任公司 | Integrated RTM (resin transfer molding) auxiliary tool and process for composite material runner plate with woven structure |
-
2022
- 2022-12-26 CN CN202211679119.7A patent/CN116001322A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190484B1 (en) * | 1999-02-19 | 2001-02-20 | Kari Appa | Monolithic composite wing manufacturing process |
| CN106671446A (en) * | 2016-11-23 | 2017-05-17 | 江苏恒神股份有限公司 | VARI (Vacuum Assistant Resin Infused) integral moulding clear dimension composite material ribbed structure manufacturing method |
| CN107627628A (en) * | 2017-09-28 | 2018-01-26 | 江苏恒神股份有限公司 | The more ear multi-cavity structures of composite and its manufacture method of RTM technique global formations |
| CN108284620A (en) * | 2017-11-30 | 2018-07-17 | 江西洪都航空工业集团有限责任公司 | A kind of composite material multi-wall type co-curing integral panel shaping dies |
| CN109094049A (en) * | 2018-09-04 | 2018-12-28 | 沈阳飞机工业（集团）有限公司 | H-type composite material honeycomb rib is manufactured method |
| CN109591329A (en) * | 2018-10-25 | 2019-04-09 | 江苏恒神股份有限公司 | A kind of carbon fiber full-height foam core filled composite material rudder face structure and preparation method thereof |
| CN109774199A (en) * | 2019-01-17 | 2019-05-21 | 江苏恒神股份有限公司 | A kind of forming method of carbon fibre composite rudder type structure |
| CN213056088U (en) * | 2020-08-14 | 2021-04-27 | 江苏恒神股份有限公司 | Molding tool for square beam-like structural parts made of composite materials |
| CN112549582A (en) * | 2020-11-03 | 2021-03-26 | 江西昌河航空工业有限公司 | Large foam interlayer part forming device and forming method |
| CN113772076A (en) * | 2021-08-24 | 2021-12-10 | 成都飞机工业（集团）有限责任公司 | Foam sandwich hat-shaped reinforced wall plate structure and integrated forming method |
| CN114932692A (en) * | 2022-06-13 | 2022-08-23 | 中航复合材料有限责任公司 | Integrated RTM (resin transfer molding) auxiliary tool and process for composite material runner plate with woven structure |
Non-Patent Citations (1)
| Title |
|---|
| 刘卫平: "民用飞机复合材料结构制造技术", vol. 1, 31 December 2016, 上海交通大学出版社, pages: 72 - 75 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118322609A (en) * | 2024-06-17 | 2024-07-12 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Skin mold closing process based on composite material spigot positioning structure |
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