CN220534991U - Pre-curing forming tool for foam reinforcing rib of rotor blade - Google Patents
Pre-curing forming tool for foam reinforcing rib of rotor blade Download PDFInfo
- Publication number
- CN220534991U CN220534991U CN202322306426.7U CN202322306426U CN220534991U CN 220534991 U CN220534991 U CN 220534991U CN 202322306426 U CN202322306426 U CN 202322306426U CN 220534991 U CN220534991 U CN 220534991U
- Authority
- CN
- China
- Prior art keywords
- frame
- rotor blade
- stop block
- reinforcing rib
- holding surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000006260 foam Substances 0.000 title claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 title abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 238000007711 solidification Methods 0.000 claims abstract description 4
- 230000008023 solidification Effects 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract description 3
- 230000037303 wrinkles Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000013518 molded foam Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920007790 polymethacrylimide foam Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011157 advanced composite material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The utility model relates to a pre-curing and forming tool for a foam reinforcing rib of a rotor blade, which comprises a frame, pulleys, a stop block assembly and a positioning pin; the frame is rectangular shape supporting platform, the dog subassembly is in the last holding surface of frame encloses into the solidification die cavity, the dog subassembly forms rectangular shape die cavity, just the dog subassembly is opened there is the connecting hole, the holding surface of frame is opened there is the mounting hole, through the locating pin can with the dog subassembly is fixed the holding surface of frame. The surface of the reinforcing rib is smooth and glossy after the pre-curing and forming, and the defects of glue accumulation, wrinkles and the like are avoided; the integral rigidity of the pre-cured and molded foam and the reinforcing rib assembly is improved, and the problem that the outline dimension stability of the autoclave molding C-shaped Liang Jiangshe is poor is solved.
Description
Technical Field
The utility model relates to the technical field of composite material foam reinforcing rib pre-curing and forming, and particularly provides a rotor blade foam reinforcing rib pre-curing and forming tool.
Background
Autoclave molding technology is a main method for manufacturing continuous fiber reinforced thermosetting composite material parts, and is widely applied to molding of advanced composite material structures, honeycomb sandwich structures and metal or composite material glued structures. At present, the technology is firstly applied to manufacturing autonomous airfoil composite material paddles, the rotor project paddle forming tool adopts a structure of a frame type INVAL steel lower die body and a composite material upper die body, and an autoclave forming mode has the advantages of lower tool cost, shorter development period and the like. However, compared with the blade compression molding technology with higher maturity in the prior art, the scheme has the technical problems of unstable molding quality, large deviation of the external dimension of the blade and the like. Therefore, the fixture tool for pre-curing and forming the foam reinforcing rib of the rotor blade is designed, foam and the reinforcing rib can be preformed, the rigidity of the inner structure of the blade is improved, and deformation caused by uneven force transmission in the curing process of the composite material upper die body is reduced.
Disclosure of Invention
The purpose of the utility model is that: the defects of surface wrinkles, dislocation and the like of the reinforcing ribs are overcome, the rigidity of the internal structure of the blade is improved, the problem of poor stability of the external shape and the dimension of the molded C-shaped Liang Jiangshe of the autoclave is solved, and the product percent of pass is improved.
The technical scheme of the utility model is as follows:
providing a rotor blade foam reinforcing rib pre-curing forming tool, which comprises a frame 1, a pulley 2, a stop block assembly 4 and a positioning pin;
the frame is rectangular shape supporting platform, the dog subassembly is in the last holding surface of frame encloses into the solidification die cavity, the dog subassembly forms rectangular shape die cavity, just the dog subassembly is opened there is the connecting hole, the holding surface of frame is opened there is the mounting hole, through the locating pin can with the dog subassembly is fixed the holding surface of frame.
Further, the positioning pin comprises a ball pin 5 and a pin 6.
Further, the block assembly comprises a left block and a right block, and a die cavity is arranged between the left block and the right block.
Further, the frame is provided with a plurality of lightening holes.
Further, pulleys are arranged on two sides of the frame. Facilitating movement of the frame.
Further, the frame is provided with a threaded hole, and the threaded hole is used for installing curing equipment.
The process method comprises the following steps:
1. paving prepreg carbon cloth on PMI foam according to the requirement, integrally pumping a vacuum bag, vacuumizing (less than or equal to-0.8 Mpa) and curing for more than 2 hours;
2. opening a vacuum bag, and cutting the prepreg carbon cloth paved on the PMI foam according to the drawing size;
3. detaching a detachable one-side stop block assembly 4, wrapping PMI foam with a layer of isolating film, attaching the inner molded surface of the tool, and fixing the stop block assembly by using a ball pin 5 and a pin 6;
4. and (5) spreading putty strips along the edges of the stop blocks, and integrally punching a vacuum bag. Pushing the tooling into a curing furnace, vacuumizing, heating to 85+/-5 ℃ at a speed of less than or equal to 3 ℃/min, preserving heat and pressure for 1-1.5 h, cooling to room temperature immediately, and releasing pressure and discharging from the furnace;
5. opening the vacuum bag, detaching the detachable one-side stop block assembly 4, taking out the solidified foam and the reinforcing rib assembly, and cleaning the glue tumor on the surface of the reinforcing rib by using a craft knife.
The utility model has the advantages that: 1. the surface of the reinforcing rib after pre-curing molding is smooth and glossy, and the defects of glue accumulation, wrinkles and the like are avoided; 2. the integral rigidity of the pre-cured and molded foam and the reinforcing rib assembly is improved, and the problem that the outline dimension stability of the autoclave molding C-shaped Liang Jiangshe is poor is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a stiffening rib pre-curing and forming tool;
FIG. 2 is a partial top view of a stiffener preforming tooling;
FIG. 3 is a detailed schematic diagram of a stiffener preforming tooling;
wherein: frame 1, pulley 2, screw hole 3, dog subassembly 4, bulb round pin 5, pin 6.
Detailed Description
The disclosed examples will be described more fully with reference to the accompanying drawings, in which some, but not all of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Providing a rotor blade foam reinforcing rib pre-curing forming tool, which comprises a frame 1, a pulley 2, a stop block assembly 4 and a positioning pin;
the frame is rectangular shape supporting platform, the dog subassembly is in the last holding surface of frame encloses into the solidification die cavity, the dog subassembly forms rectangular shape die cavity, just the dog subassembly is opened there is the connecting hole, the holding surface of frame is opened there is the mounting hole, through the locating pin can with the dog subassembly is fixed the holding surface of frame.
The locating pin comprises a ball stud 5 and a pin 6.
The stop block assembly comprises a left stop block and a right stop block, and a die cavity is arranged between the left stop block and the right stop block.
The frame is provided with a plurality of lightening holes.
Pulleys are arranged on two sides of the frame. Facilitating movement of the frame.
The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.
Claims (6)
1. Rotor blade foam stiffening rib pre-curing shaping frock, its characterized in that: comprises a frame, pulleys, a stop block assembly and a positioning pin;
the frame is rectangular shape supporting platform, the dog subassembly is in the last holding surface of frame encloses into the solidification die cavity, the dog subassembly forms rectangular shape die cavity, just the dog subassembly is opened there is the connecting hole, the holding surface of frame is opened there is the mounting hole, through the locating pin can with the dog subassembly is fixed the holding surface of frame.
2. The rotor blade foam rib pre-cure molding tooling of claim 1, wherein: the locating pin comprises a ball pin and a pin.
3. The rotor blade foam rib pre-cure molding tooling of claim 1, wherein: the stop block assembly comprises a left stop block and a right stop block, and a die cavity is arranged between the left stop block and the right stop block.
4. The rotor blade foam rib pre-cure molding tooling of claim 1, wherein: the frame is provided with a plurality of lightening holes.
5. The rotor blade foam rib pre-cure molding tooling of claim 1, wherein: pulleys are arranged on two sides of the frame.
6. The rotor blade foam rib pre-cure molding tooling of claim 1, wherein: the frame is provided with a threaded hole which is used for installing curing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306426.7U CN220534991U (en) | 2023-08-28 | 2023-08-28 | Pre-curing forming tool for foam reinforcing rib of rotor blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306426.7U CN220534991U (en) | 2023-08-28 | 2023-08-28 | Pre-curing forming tool for foam reinforcing rib of rotor blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220534991U true CN220534991U (en) | 2024-02-27 |
Family
ID=89973307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322306426.7U Active CN220534991U (en) | 2023-08-28 | 2023-08-28 | Pre-curing forming tool for foam reinforcing rib of rotor blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220534991U (en) |
-
2023
- 2023-08-28 CN CN202322306426.7U patent/CN220534991U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |