CN109465987A - Molding die for satellite retroreflector composite material center fixed ring - Google Patents
Molding die for satellite retroreflector composite material center fixed ring Download PDFInfo
- Publication number
- CN109465987A CN109465987A CN201811506675.8A CN201811506675A CN109465987A CN 109465987 A CN109465987 A CN 109465987A CN 201811506675 A CN201811506675 A CN 201811506675A CN 109465987 A CN109465987 A CN 109465987A
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- China
- Prior art keywords
- mold core
- piece
- fixed ring
- outside
- composite material
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/305—Mounting of moulds or mould support plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
Abstract
The present invention is used for the molding die of satellite retroreflector composite material center fixed ring, comprising: die sleeve component is equipped with a material-putting space in the die sleeve component;Positioning component, the positioning component are arranged in the material-putting space;Cam unit, the cam unit are arranged in the material-putting space, and the cam unit is arranged around the positioning component;Wherein the positioning component includes: mold core, and the bottom of the material-putting space is arranged in the mold core;First piece unit, the first piece unit are set in the outside of the mold core;Second piece unit, the second piece unit are set in the outside of the mold core, and the second piece unit is arranged above the first piece unit;Pressing plate, the pressing plate are set in the outside of the mold core.Opposite with the prior art, the present invention has the advantage that 1, improves center fixed ring feasibility.2, the integrally formed of layered flange complexity reinforcing rib is realized.3, reach effective weight loss effect.
Description
Technical field
The present invention relates to one kind to be suitable for satellite retroreflector composite material center fixed ring molding die.
Background technique
As antenna class satellite structure part is due to using wave band to increase, antenna member structure becomes increasingly complex, and is based on antenna
The rigidity of component and required precision are all very high, and component need to increase a plurality of reinforcing rib to improve whole intensity, while in order to meet
Light-weight requirement, the carbon fiber construction substitution metal component low using density, intensity is high, rigidity is big have become main trend.
The design of composite material shaping mould positioning method is directed to these to guaranteeing that component quality plays decisive role in the past
Flange has the component of reinforcing rib, and the method for realizing positioning is lacked in mold design, and the position for molding reinforcing rib is all inaccurate,
It does over again, causes the intensity of reinforcing rib that requirement is not achieved.Center referring now to layered flange with reinforcing rib is solid
Determine ring element, by being expanded in centralized positioning, soft mode and the molding mode of external mold inclined wedge pressurization, reinforcing rib position between every layer of flange
The method molding positioned by piece.For the ease of mold molding in place, reinforcing rib side using punching block, side be soft mode,
It realizes integrally formed.Reinforcing rib integral strength is increased using integral forming method, reduces passive weight, meets making for design
With requiring.
Summary of the invention
For the defects in the prior art, it is an object of that present invention to provide one kind, and existing satellite sensor crossbeam to be overcome to form
The molding of technology plus be glued assembling technology procedure is complicated, labyrinth RTM injecting glue cannot achieve deficiency and defect for defending
The molding die of star reflector composite material center fixed ring.
In order to solve the above technical problems, the present invention is used for the molding die of satellite retroreflector composite material center fixed ring,
Include: die sleeve component, a material-putting space is equipped in the die sleeve component;Positioning component, the positioning component are arranged described
In material-putting space;Cam unit, the cam unit are arranged in the material-putting space, and the cam unit surrounds the positioning
Component setting;Wherein the positioning component includes: mold core, and the bottom of the material-putting space is arranged in the mold core;First piece
Unit, the first piece unit are set in the outside of the mold core;Second piece unit, the second piece unit are set in
The outside of the mold core, the second piece unit are arranged above the first piece unit;Pressing plate, the pressing plate are set in
The outside of the mold core.
Preferably, the first piece unit includes that multiple circumferential rings along the mold core are located on the outside of the mold core
One piece.
Preferably, the first piece unit include multiple circumferential rings along the mold core be located at it is soft on the outside of the mold core
Mould.
Preferably, the soft mode and first piece interval are arranged.
Preferably, the second piece unit includes that multiple circumferential rings along the mold core are located on the outside of the mold core
Two pieces.
Preferably, it being equipped with deep gouge close to the side of the mold core in second piece, multiple deep gouges form counterbore,
The pressing plate is set in the counterbore.
Preferably, the cam unit includes:
The outside of the positioning component is arranged in oblique piece, the oblique piece, and the oblique piece states positioning group with described
The shape of the contact surface of part and the shape in the outside of the positioning component match;
Inclined wedge, the inclined wedge are arranged between the oblique piece and the inner wall of the material-putting space.
Preferably, the cam unit is multiple groups.
Preferably, the die sleeve component includes cover board, bottom plate and exterior sheathing;Wherein
The cover board, the bottom plate and the exterior sheathing form the material-putting space;
The mold core is arranged on the bottom plate.
Preferably, it is also arranged with backing plate in the outside of the mold core, the backing plate is located at the bottom plate and described first and spells
Between module unit;Wherein the cam unit is arranged on the backing plate.
Opposite with the prior art, the present invention has the advantage that
1, center fixed ring feasibility is improved
Using the direct elevated cure of press, the laggard baking oven of production vacuum bag or autoclave elevated cure are not needed, it can be with one
Secondary molding layered flange has the part of a plurality of reinforcing rib.
2, the integrally formed of layered flange complexity reinforcing rib is realized
Carbon fiber is layered on piece and soft mode respectively, then combines punching block and soft mode, whole heating pressurization
Solidification.There can be a plurality of reinforcement rib component in one-step molded multilayer flange, improve the intensity of component, reduce what component was reprocessed
Cost.
3, reach effective weight loss effect
The second bonding for avoiding reinforcing rib realizes composite element reinforcing rib and ontology one with layered flange
Secondary entirety co-curing molding, is effectively reduced passive glue consumption, has reached effective weight loss effect, to the demanding production of weight
Product have certain reference value.
Detailed description of the invention
Fig. 1 is the molding die explosive view that the present invention is used for satellite retroreflector composite material center fixed ring;
Fig. 2 is the forming die structure schematic diagram that the present invention is used for satellite retroreflector composite material center fixed ring;
Fig. 3 is the face the A-A cross-sectional view of Fig. 2.
In figure:
1- cover board 2- bottom plate 3- exterior sheathing
The oblique piece 5- inclined wedge 6- backing plate of 4-
7- mold core 8- the first piece the second piece of 9-
10- pressing plate 11- soft mode
Specific embodiment
Elaborate below to the embodiment of the present invention: the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given.It should be pointed out that those skilled in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
The object of the present invention is to provide one kind to be suitable for satellite retroreflector composite material center fixed ring molding die, mold
Design method using punching block be used as positioning datum, expansion soft mode 11 conduct interior swollen pressurization;It is inserted into and is fixed with intermediate mold core 7
Plate is as main positioning datum, with whole soft mode 11 at lower middle flange intermediate step, reinforcing rib position between lower flange and spacer flanger
It sets and is fixed between upper middle flange on piece by piece, and the clear design method with side punching block side soft mode 11, upper method
Lan Yuzhong flange reinforcing rib is assembled with punching block and is positioned;Break through the fixed ring forming in the center with reinforcing rib in complicated layered flange
The Position Design technology of mold realizes complicated layered flange reinforcing rib integrally forming mould.
As shown in FIG. 1 to 3, the present invention is used for the molding die of satellite retroreflector composite material center fixed ring, comprising:
Die sleeve component is equipped with a material-putting space in die sleeve component;Positioning component, positioning component are arranged in material-putting space;5 groups of inclined wedge
Part, 5 component of inclined wedge are arranged in material-putting space, and 5 component of inclined wedge is arranged around positioning component;Wherein positioning component includes: mold core
7, the bottom of material-putting space is arranged in mold core 7;First piece unit 8, the first piece unit 8 are set in the outside of mold core 7;Second
Piece Unit 9, the second piece Unit 9 are set in the outside of mold core 7, and the second piece Unit 9 is arranged on the first piece unit 8
Side;Pressing plate 10, pressing plate 10 are set in the outside of mold core 7.
First piece unit 8 includes the first piece 8 that multiple circumferential rings along mold core 7 are located at 7 outside of mold core.
First piece unit 8 includes the soft mode 11 that multiple circumferential rings along mold core 7 are located at 7 outside of mold core.
Soft mode 11 and the first piece 8 interval are arranged.
Second piece Unit 9 includes the second piece 9 that multiple circumferential rings along mold core 7 are located at 7 outside of mold core.
It is equipped with deep gouge close to the side of mold core 7 in the second piece 9, multiple deep gouges form counterbore, and pressing plate 10 is set in counterbore
It is interior.
5 component of inclined wedge includes:
The outside of positioning component, the shape with the contact surface for stating positioning component of oblique piece 4 is arranged in oblique piece 4, oblique piece 4
The shape in the outside of shape and positioning component matches;
Inclined wedge 5, inclined wedge 5 are arranged between oblique piece 4 and the inner wall of material-putting space.
5 component of inclined wedge is multiple groups.
Die sleeve component includes cover board 1, bottom plate 2 and exterior sheathing 3;Wherein
Cover board 1, bottom plate 2 and exterior sheathing 3 form material-putting space;
Mold core 7 is arranged on a base plate 2.
It is also arranged with backing plate 6 in the outside of mold core 7, backing plate 6 is located between bottom plate 2 and the first piece unit 8;Wherein inclined wedge
5 components are arranged on backing plate 6.
In particular it relates to which a kind of be suitable for satellite retroreflector composite material center fixed ring molding die, use
The pressurization of expansion outer 5 formula of inclined wedge combines molding mode in punching block positioning, by punching block mold core 7 be inserted into fixed plate and bottom plate 2 into
The whole positioning of row, it is ensured that the center precision of entire component.
Center fixed ring die inside uses punching block mold core 7 to be inserted into fixed plate as master positioning, is connected by screw and bottom plate 2
One is connect, guarantees the center of mold.
Lower flange and middle flange step be using 11 expanding method of whole soft mode in the fixed ring mold of center, convenient for molding with
Demoulding, soft mode 11 with a thickness of 15.8mm.
The status requirement of center fixed ring mold lower flange and 16 reinforcing ribs of middle flange requires very high, every reinforcement
The side of muscle has to be located in punching block on the piece of upper middle flange, the other side with the design principle of soft mode 11, soft mode 11
With a thickness of 17.8mm.
The fixed bad mold upper flange in center and 4 reinforcing rib positions of middle flange and the size requirement of short transverse are very high,
Pass through four pieces of piece combinations and the step maximum height limit direction size on piece.
It is combined using outer piece with inclined wedge 5 on the outside of the fixed ring mold of center, die sleeve and bottom plate 2 are consolidated with the connection type of screw
It is scheduled on together.
1) mold materials select
Mold one-piece parts use 45# steel, if production product quantity it is more need to repeatedly use mold can be excellent
First it is considered as the higher mould steel of P20 equal strength.
2) mold design
In die design process, it is first determined most interior and outside is punching block, then lower flange and middle flange reinforcing ribs side
It is soft mode 11 for punching block, the other side, uses soft mode 11 at step, reinforcing rib is the design that punching block combines between upper flange and middle flange
Thinking, from it is interior outward, the bottom of from up successively carry out mold design.Determine that mold center is that punching block core 7 is inserted into positioning in fixed plate,
For the opposite integral position precision for guaranteeing every layer of reinforcing rib, the side of reinforcing rib at least uses punching block to position, finally by all spellings
Block is assembled integrally by design requirement.
It is uniformly distributed that piece surrounding is paid the utmost attention to when designing mold, 11 position of soft mode is uniformly distributed symmetrical.
Mold core 7 is screwed and connect with bottom plate 2, die sleeve and bottom plate 2.
3) mold is processed
Mold processing and measurement are carried out by three-dimensional modeling figure and two-dimentional general assembly drawing technical requirements.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of molding die for satellite retroreflector composite material center fixed ring characterized by comprising
Die sleeve component is equipped with a material-putting space in the die sleeve component;
Positioning component, the positioning component are arranged in the material-putting space;
Cam unit, the cam unit are arranged in the material-putting space, and the cam unit is set around the positioning component
It sets;Wherein
The positioning component includes:
The bottom of the material-putting space is arranged in mold core, the mold core;
First piece unit, the first piece unit are set in the outside of the mold core;
Second piece unit, the second piece unit are set in the outside of the mold core, and the second piece unit setting exists
Above the first piece unit;
Pressing plate, the pressing plate are set in the outside of the mold core.
2. the molding die according to claim 1 for satellite retroreflector composite material center fixed ring, feature exist
In the first piece unit includes the first piece that multiple circumferential rings along the mold core are located on the outside of the mold core.
3. the molding die according to claim 2 for satellite retroreflector composite material center fixed ring, feature exist
In the first piece unit includes the soft mode that multiple circumferential rings along the mold core are located on the outside of the mold core.
4. the molding die according to claim 3 for satellite retroreflector composite material center fixed ring, feature exist
In the soft mode and first piece interval are arranged.
5. the molding die according to claim 1 for satellite retroreflector composite material center fixed ring, feature exist
In the second piece unit includes the second piece that multiple circumferential rings along the mold core are located on the outside of the mold core.
6. the molding die according to claim 5 for satellite retroreflector composite material center fixed ring, feature exist
In in second piece close to the side of the mold core equipped with deep gouge, multiple deep gouges form counterbores, and the pressing plate is arranged
In the counterbore.
7. the molding die according to claim 1 for satellite retroreflector composite material center fixed ring, feature exist
In the cam unit includes:
Oblique piece, the oblique piece be arranged in the outside of the positioning component, the oblique piece with the positioning component of stating
The shape of contact surface and the shape in the outside of the positioning component match;
Inclined wedge, the inclined wedge are arranged between the oblique piece and the inner wall of the material-putting space.
8. the molding die according to claim 1 or claim 7 for satellite retroreflector composite material center fixed ring, feature
It is, the cam unit is multiple groups.
9. the molding die according to claim 1 for satellite retroreflector composite material center fixed ring, feature exist
In the die sleeve component includes cover board, bottom plate and exterior sheathing;Wherein
The cover board, the bottom plate and the exterior sheathing form the material-putting space;
The mold core is arranged on the bottom plate.
10. the molding die according to claim 9 for satellite retroreflector composite material center fixed ring, feature exist
In being also arranged with backing plate in the outside of the mold core, the backing plate is between the bottom plate and the first piece unit;Its
In
The cam unit is arranged on the backing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811506675.8A CN109465987B (en) | 2018-12-10 | 2018-12-10 | Forming die for composite material center fixing ring of satellite reflector |
Applications Claiming Priority (1)
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CN201811506675.8A CN109465987B (en) | 2018-12-10 | 2018-12-10 | Forming die for composite material center fixing ring of satellite reflector |
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CN109465987A true CN109465987A (en) | 2019-03-15 |
CN109465987B CN109465987B (en) | 2021-08-24 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109940795A (en) * | 2019-03-21 | 2019-06-28 | 上海三原电缆附件有限公司 | The automatic removable mold device of the internal model of cable intermediate joint rubber parts |
CN110815866A (en) * | 2019-11-15 | 2020-02-21 | 中国科学院长春光学精密机械与物理研究所 | Integrated molding process of composite reflector |
CN111055512A (en) * | 2019-12-30 | 2020-04-24 | 中国航空制造技术研究院 | Composite material component preparation tool and method for co-curing reinforcing sheet |
CN112497577A (en) * | 2020-12-18 | 2021-03-16 | 江苏常友环保科技股份有限公司 | Engine room cover inner and outer flange integrated forming combined die |
CN116985460A (en) * | 2023-09-25 | 2023-11-03 | 上海韵量新能源科技有限公司 | Fuel cell graphite bipolar plate die and fixing method thereof |
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CN104070688A (en) * | 2014-06-09 | 2014-10-01 | 中航复合材料有限责任公司 | Mold for forming aircraft composite material scuttle frame by mold pressing technique |
CN105014990A (en) * | 2014-04-30 | 2015-11-04 | 空中客车西班牙运营有限责任公司 | Method and device for manufacturing a composite part of an aircraft |
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CN105014990A (en) * | 2014-04-30 | 2015-11-04 | 空中客车西班牙运营有限责任公司 | Method and device for manufacturing a composite part of an aircraft |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109940795A (en) * | 2019-03-21 | 2019-06-28 | 上海三原电缆附件有限公司 | The automatic removable mold device of the internal model of cable intermediate joint rubber parts |
CN109940795B (en) * | 2019-03-21 | 2023-12-01 | 上海三原电缆附件有限公司 | Automatic internal mold loading and demolding device for cable intermediate joint rubber piece |
CN110815866A (en) * | 2019-11-15 | 2020-02-21 | 中国科学院长春光学精密机械与物理研究所 | Integrated molding process of composite reflector |
CN111055512A (en) * | 2019-12-30 | 2020-04-24 | 中国航空制造技术研究院 | Composite material component preparation tool and method for co-curing reinforcing sheet |
CN111055512B (en) * | 2019-12-30 | 2021-12-10 | 中国航空制造技术研究院 | Composite material component preparation tool and method for co-curing reinforcing sheet |
CN112497577A (en) * | 2020-12-18 | 2021-03-16 | 江苏常友环保科技股份有限公司 | Engine room cover inner and outer flange integrated forming combined die |
CN116985460A (en) * | 2023-09-25 | 2023-11-03 | 上海韵量新能源科技有限公司 | Fuel cell graphite bipolar plate die and fixing method thereof |
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