CN110497625A - A kind of molding moulds of industrial equipment of radome - Google Patents
A kind of molding moulds of industrial equipment of radome Download PDFInfo
- Publication number
- CN110497625A CN110497625A CN201910611896.XA CN201910611896A CN110497625A CN 110497625 A CN110497625 A CN 110497625A CN 201910611896 A CN201910611896 A CN 201910611896A CN 110497625 A CN110497625 A CN 110497625A
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- Prior art keywords
- radome
- groove
- molding
- industrial equipment
- moulds
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- Pending
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 61
- 239000007769 metal material Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 description 26
- 239000010410 layer Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 239000011162 core material Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920000784 Nomex Polymers 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 239000004763 nomex Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 panel Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- 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
- B29C70/342—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 isostatic pressure
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of molding moulds of industrial equipment of radome, comprising: molding die (1) and frame (2), the molding die (1) are the forming surface of radome, are located above the frame (2).The solution of the present invention does not need secondary operation during producing radome using the moulds of industrial equipment, shortens radome and forms duration, improve radome at producing efficiency.
Description
Technical field
The present invention relates to the molding mould applications of radome more particularly to carrier-borne aperture lightweight sandwich structure radome at
The moulds of industrial equipment of type.
Background technique
Radar is widely used in the fields such as Aeronautics and Astronautics, and the utilization of radome is also increasingly extensive.Radome protects antenna,
Influence and interference of the environment to radar antenna working condition are prevented, to reduce the power of driving antenna operating, improves its work
Reliability guarantees radar antenna all weather operations.The presence of radome extends the service life of antenna, simplifies antenna
Structure alleviates the weight of structure.
During existing radome is molding, the moulds of industrial equipment of use generally use the form of full opening, are vacuumizing
It is demoulded after curing molding, carries out the secondary operation at edge, then to reach corresponding size.This processing method, radome at
The time of type is long, complex procedures, at production inefficiency.
Summary of the invention
It is existing to solve in order to solve the above-mentioned technical problems, the present invention provides a kind of molding moulds of industrial equipment of radome
In technology in radome forming process, need secondary operation, radome molding time length, complex procedures, at producing inefficiency
Problem.
According to one aspect of the present invention, a kind of molding moulds of industrial equipment of radome are provided, comprising: molding die and frame
Frame, the molding die are the forming surface of radome, are located above the frame, and be fixedly connected with the frame.
Optionally, the molding die includes: groove, locating flange and bolt；The locating flange passes through the bolt
It is connect with the groove.
Optionally, the groove is surrounded by limit groove, and cover of the limit groove for radome is after molding
Location hole limits.
Optionally, the groove is used and is made with a thickness of 2~8mm cold plate.
Optionally, the groove be the cuboid with opening, the circle with opening or with radar hood shape phase
The shape of adaptation, the locating flange on each side of the groove are fixedly connected by least two bolt with the groove.
Optionally, there is position groove at the paving edge of the groove 13.
Optionally, the frame includes the connecting plate of multiple sequential connections, and each connecting plate is equipped with venthole.
Optionally, the connecting plate of the frame with a thickness of 2~5mm.
Optionally, the moulds of industrial equipment are made using thickness less than the metal material of a preset value, alternatively, the tooling mould
Tool is made of composite material, and the composite material is identical as the composite material for preparing radome use.
Optionally, the metal material is the metal material that heating conduction is higher than a preset value.
The beneficial effect of the embodiment of the present invention is:
In above scheme, the molding moulds of industrial equipment of radome include molding die and frame, and the molding die is radar
The forming surface of cover is located above the frame.The molding die includes: groove, locating flange and bolt；The locating flange
It is connect by the bolt with the groove.Here use upper forming surface of the locating flange as radome, cold plate thin-walled it is recessed
Slot is product lower surface, so as to carry out two-sided dead size molding, does not need secondary operation, shortens radome and forms duration,
Process is simple, improve radome at produce efficiency.
Detailed description of the invention
Fig. 1 shows the stereoscopic schematic diagrams of the molding moulds of industrial equipment of the radome of the embodiment of the present invention；
Fig. 2 indicates the top view of the molding moulds of industrial equipment of radome of the embodiment of the present invention；
Fig. 3 indicates the cross-sectional view in the direction radome shown in Fig. 2 molding moulds of industrial equipment A-A；
Fig. 4 indicates the enlarged diagram of part B in Fig. 3.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
As shown in Figures 1 to 4, the embodiment provides a kind of molding moulds of industrial equipment of radome, comprising: molding
Mold 1 and frame 2, the molding die 1 are the forming surface of radome, are located at 2 top of frame, and solid with the frame 2
Fixed connection.Here, the cover of radome is the interlayer knot being made of fiber prepreg material covering, adhesive layer and cellular type core co-curing
Structure, covering are that the paving of glass fibre prepreg forms, and adhesive layer uses epoxy resin glue film, and sandwich of layers is Nomex honeycomb.
In an alternative embodiment of the invention, the molding die 1 includes: groove 13, locating flange 11 and bolt 12；Institute
Locating flange 11 is stated to connect by the bolt 12 with the groove 13.Here using locating flange 11 as on radome at
The groove 13 in type face, cold plate thin-walled is product lower surface, so as to carry out two-sided dead size molding.
Optionally, the groove 13 is surrounded by limit groove, after the limit groove is for the cover molding of radome
Location hole limit.Here, limit groove is located at the edge of groove 13.
In an alternative embodiment of the invention, the groove 13 can be used to be made with a thickness of 2~8mm cold plate.In this way, positioning
Flange 11 is product upper surface, and the groove 13 of cold plate thin-walled is product lower surface, realizes that two-sided tooling guarantees.
The groove 13 can be the cuboid with opening, the circle with opening or the shape phase with radome
The shape of adaptation, the locating flange 11 on each side of the groove 13 are solid by least two bolt 12 and the groove 13
Fixed connection, if groove 13 is circle, above-mentioned flange 11 be also it is round, required bolt 12 is at least 6, and passes through spiral shell
Bolt 12 is fixedly connected with the groove 13.
Optionally, there is position groove at the paving edge of the groove 13.
Optionally, the frame 2 includes the linkage section plate of multiple sequential connections, and each connecting plate is equipped with venthole 21.This
In the shape of frame 2 can be determined according to the shape of groove 13, for example, the groove 13 is cuboid, frame 2
For cuboid, it is adapted with groove 13；Groove 13 is circle, and frame 2 is also circle, and frame 2 includes on vertical and horizontal
Multiple connecting plates, each connecting plate are equipped with venthole 21, convenient for ventilation.Optionally, the connecting plate of the frame 2 with a thickness of 2
~5mm.
The above embodiment of the present invention, the molding moulds of industrial equipment of radome include 2 two parts of molding die 1 and frame,
Middle molding die 1 includes roofing (i.e. groove 13) and locating flange 11 with limit groove, and frame 2 is with venthole 21
Aeration structure.Molding mode is using the seamless glue film docking of core material, panel core material, glue film co-curing.By limit groove and determine
Position flange can be realized two-sided tooling and guarantee, the boundary dead size molding of radome, without further processing.
In addition, metal material of the molding moulds of industrial equipment of the radome of the embodiment of the present invention using thickness less than a preset value
Material is made.Optionally, the metal material is aluminium, but is not limited to aluminium, is also possible to other heating conductions higher than a preset value
Metal material, conduct heat it is rapider, reduce energy consumption.Entire tooling, docking purlin are flake aluminum, and heat transfer is more rapid, uniform, drop
Low energy consumption.In addition, since current radar antenna is looked for as fibre-reinforced composite material, and composite material is in the molding that is heating and curing
During with metallic aluminium have biggish expansion coefficient difference, will lead to and the problems such as stress point or difficult demoulding occur.Therefore
The moulds of industrial equipment of the radome can also be used composite material and be prepared, thus reduce molds and products be heating and curing it is swollen
Swollen difference of coefficients guarantees product quality.
The molding mode for the molding moulds of industrial equipment of radome that the embodiment of the present invention provides is the seamless glue film docking of core material,
Can indefinite extension core material, panel, core material, the glue film co-curing of use can greatly reduce molding procedure, shorten radome
Form duration, substantially reduce the production cost of radome, improve radome at produce efficiency.
Usual radome needs to carry out secondary operation after shaping, and since the size of carrier-borne heavy caliber radome is larger,
There is a problem of that processing difficulties and processing cost are high, therefore in order to save manufacturing procedure, using the molding mode meaning of dead size
It is great.It in addition is to obtain the symmetry of good electric property and sandwich, radome in the design process of radome
Odd-level sandwich is mostly used, it is most common to have symmetrical A sandwich, symmetrical C sandwich.Below with reference to specific radar
The structure of cover illustrates the application method of the molding moulds of industrial equipment of above-mentioned radome, embodiment 1: a kind of carrier-borne aperture lightweight A folder
Cored structure radome dead size forming method, comprising:
Step 1 provides radome molding required glass fibre prepreg, Nomex honeycomb, epoxy jelly membrane and tooling mould
Tool；
Step 2, according to demand paving covering, skin thickness are about 0.5-0.9mm；
Step 3, one layer of epoxy resin glue film of paving on first layer covering, it is ensured that epoxy resin glue film and first layer covering
It is close sturdy；
Step 4 will in the honeycomb paving to glue film of pre-setting, be more than the product of cellular raw materials size, bee for size
Nest stitching portion is bonded using glue film, it is ensured that is closely connected between honeycomb；
Step 5 will spread another layer of glue film on honeycomb, guarantee that glue film can be fitted closely with honeycomb；
Step 6, by second layer covering paving to glue film, covering with a thickness of 0.5-0.9mm；
Step 7, the product for checking the good A sandwich of paving, it is ensured that the edge of product is without redundance, according to being prefabricated into
Groove on pattern tool 1 is modified, and locating flange 11 is fixed on molding die 1, and height is adjusted in compacting, checks side
The filling effect of edge；
Step 8 is laid with isolation film, airfelt, vacuum bag film, vacuumizes compacting, carries out autoclave molding.According to raw material
Curing process carries out co-curing, is cooled to 50 DEG C of one bottom knockout to mold temperature after the completion of solidification, completes a co-curing process；
Step 9, according to the limit groove on groove 13, to carrying out punching tooling at the groove of finished product.
The radome that the embodiment of the present invention is produced by above-mentioned moulds of industrial equipment has light-weight, the convenience shaped
The characteristics of, and can satisfy the performance requirement of product.Using the technique of co-curing, production process is greatly reduced, is reduced
Production time.
A kind of embodiment 2: carrier-borne aperture lightweight C sandwich structure radome dead size forming method, comprising:
Step 1 provides the required glass fibre prepreg of radome molding, Nomex honeycomb, epoxy jelly membrane, moulds of industrial equipment；
Step 2, according to demand paving covering, skin thickness are about 0.5-0.9mm；
Step 3, one layer of epoxy resin glue film of paving on first layer covering, it is ensured that epoxy resin glue film and first layer covering
It is close sturdy；
Step 4 will in the first layer honeycomb paving to glue film of pre-setting, be more than the production of cellular raw materials size for size
Product, honeycomb stitching portion are bonded using glue film, it is ensured that are closely linked between honeycomb；
Step 5 will spread another layer of glue film on first layer honeycomb, guarantee that glue film can be fitted closely with honeycomb；
Step 6, by second layer covering paving to glue film, covering with a thickness of 0.5-0.9mm；
Step 7, one layer of epoxy resin glue film of paving on second layer covering, it is ensured that epoxy resin glue film and first layer covering
It is close sturdy；
Step 8 will in the second layer honeycomb paving to glue film of pre-setting, be more than the production of cellular raw materials size for size
Product, honeycomb stitching portion are bonded using glue film, it is ensured that are closely linked between honeycomb；
Step 9 will spread another layer of glue film on second layer honeycomb, guarantee that glue film can be fitted closely with honeycomb；
Step 10, by third layer covering paving to glue film, covering with a thickness of 0.5-0.9mm；
Step 11, the product for checking the good C sandwich structure of paving, it is ensured that the edge of product is without redundance, according to prefabricated
Groove on mold is modified, and locating flange 11 is fixed on molding die 1, and compacting adjusts height, checks edge
Filling effect；
Step 12 is laid with isolation film, airfelt, vacuum bag film, vacuumizes compacting, carries out autoclave molding.According to raw material
Curing process carry out co-curing, be cooled to 50 DEG C of one bottom knockout to mold temperature after the completion of solidification, complete a co-curing mistake
Journey；
Step 13, according to the limit groove on groove 13, to carrying out punching tooling at the groove of finished product.
The radome that the embodiment of the present invention is produced by above-mentioned moulds of industrial equipment has light-weight, the convenience shaped
The characteristics of, and can satisfy the performance requirement of product.Using the technique of co-curing, production process is greatly reduced, is reduced
Production time.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of molding moulds of industrial equipment of radome, comprising: molding die (1) and frame (2), the molding die (1) are thunder
Up to the forming surface of cover, it is located above the frame (2), and is fixedly connected with the frame (2).
2. the molding moulds of industrial equipment of radome according to claim 1, which is characterized in that the molding die (1) includes:
Groove (13), locating flange (11) and bolt (12)；The locating flange (11) passes through the bolt (12) and the groove
(13) it connects.
3. the molding moulds of industrial equipment of radome according to claim 2, which is characterized in that the groove (13) is surrounded by
Groove is limited, cover after molding location hole of the limit groove for radome limits.
4. the molding moulds of industrial equipment of radome according to claim 2, which is characterized in that the groove (13) uses thickness
It is made of 2~8mm cold plate.
5. the molding moulds of industrial equipment of radome according to claim 2, which is characterized in that the groove (13) is with opening
Mouthful cuboid, the circle with opening or shape compatible with radar hood shape, on each side of the groove (13)
The locating flange (11) be fixedly connected with the groove (13) by least two bolt.
6. the molding moulds of industrial equipment of radome according to claim 2, which is characterized in that the paving side of the groove (13)
Edge has position groove.
7. the molding moulds of industrial equipment of radome according to claim 1, which is characterized in that the frame (2) includes multiple
The connecting plate of sequential connection, each connecting plate are equipped with venthole.
8. the molding moulds of industrial equipment of radome according to claim 7, which is characterized in that the connecting plate of the frame (2)
With a thickness of 2~5mm.
9. the molding moulds of industrial equipment of radome according to claim 1, which is characterized in that the moulds of industrial equipment use thickness
Metal material less than a preset value is made, alternatively, the moulds of industrial equipment are made of composite material, the composite material and system
The composite material that standby radome uses is identical.
10. the molding moulds of industrial equipment of radome according to claim 9, which is characterized in that the metal material is thermally conductive
Performance is higher than the metal material of a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611896.XA CN110497625A (en) | 2019-07-08 | 2019-07-08 | A kind of molding moulds of industrial equipment of radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611896.XA CN110497625A (en) | 2019-07-08 | 2019-07-08 | A kind of molding moulds of industrial equipment of radome |
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| Publication Number | Publication Date |
|---|---|
| CN110497625A true CN110497625A (en) | 2019-11-26 |
Family
ID=68586189
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910611896.XA Pending CN110497625A (en) | 2019-07-08 | 2019-07-08 | A kind of molding moulds of industrial equipment of radome |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055807A (en) * | 2021-11-12 | 2022-02-18 | 广东汇天航空航天科技有限公司 | Method for forming part made of composite material, formed part and aircraft |
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