CN110341207A - A kind of integrated mould of unmanned main beam box body structure - Google Patents
A kind of integrated mould of unmanned main beam box body structure Download PDFInfo
- Publication number
- CN110341207A CN110341207A CN201910642615.7A CN201910642615A CN110341207A CN 110341207 A CN110341207 A CN 110341207A CN 201910642615 A CN201910642615 A CN 201910642615A CN 110341207 A CN110341207 A CN 110341207A
- Authority
- CN
- China
- Prior art keywords
- box body
- body structure
- main beam
- unmanned
- beam box
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 238000007711 solidification Methods 0.000 claims abstract description 27
- 230000008023 solidification Effects 0.000 claims abstract description 27
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007787 solid Substances 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Moulding By Coating Moulds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The integrated mould of unmanned main beam box body structure disclosed by the invention, comprising: a main body forming frock is provided with several first positioning holes on the main body forming frock；Several prepreg overlay positioning tools, with positioning tool location and installation on an adapter unit, each adapter unit is positioned in corresponding first positioning hole the prepreg overlay of when laying each positioning；A pair is divided into the solidification metal positioning tool at left and right sides of unmanned main beam box body structure, and each solidification is fixedly connected with metal positioning tool with corresponding adapter unit；The solidification carries out solidified and located to the unmanned main beam box body structure left and right sides under external force with metal positioning tool；The one inflatable core model to form the unmanned main beam box body structure inner cavity；When main beam box body structure unmanned using autoclave process one curing molding, several profile-followed equal pressing plates on the unmanned main beam box body structure surface are set.
Description
Technical field
The present invention relates to the manufacturing technology field of unmanned plane load-carrying construction part, specially a kind of unmanned main beam box body structure
Integrated mould.
Background technique
The characteristics such as long boat, light-weight, inexpensive, high maneuverability, high security, highly concealed type are the significant spies of unmanned plane
Point, and the direction of unmanned plane future development of new generation.The above-mentioned characteristic of unmanned plane depends primarily on its structure type and material
Selection, and the composite material based on carbon fiber is undoubtedly optimal selection.Carbon fibre composite has light high-strength, hot
The features such as coefficient of expansion is low, antifatigue is used in unmanned plane load-carrying construction and other component, it can be achieved that effectively subtracting
Weight.The dosage of current unmanned plane composite material advanced in the world is up to 90% or more, in addition occur full composite material nobody
Machine.Composite material has excellent designability but moulded manufacturability more complex, and especially some load-carrying construction parts are relatively difficult to achieve
It is integrally formed.
Summary of the invention
Technical problem to be solved by the present invention lies in for the problems of existing unmanned plane load-carrying construction part molding
And a kind of integrated mould of unmanned main beam box body structure is provided, can realize unmanned main beam box body structure one at
The architecture quality of unmanned main beam is effectively reduced in type, improves the dimensional accuracy of product, has saved production cost.
In order to achieve the object of the present invention, the technical solution adopted in the present invention is as follows:
The integrated mould of unmanned main beam box body structure, comprising:
One main body forming frock is provided with several first positioning holes on the main body forming frock；
Several prepreg overlay positioning tools, the prepreg overlay of when laying each positioning is positioned with positioning tool pacifies
On an adapter unit, each adapter unit is positioned in corresponding first positioning hole；
A pair is divided into the solidification metal positioning tool at left and right sides of unmanned main beam box body structure, each solidification gold
Belong to positioning tool to be fixedly connected with corresponding adapter unit；The solidification is with metal positioning tool under external force to the nothing
Solidified and located is carried out at left and right sides of man-machine girder box body structure；
The one inflatable core model to form the unmanned main beam box body structure inner cavity；
When main beam box body structure unmanned using autoclave process one curing molding, it is arranged in the unmanned main beam box
Several profile-followed equal pressing plates of body body structure surface.
In being preferably implemented at of the invention one, loose piece is provided on the main body forming frock；The retinue is pressed
Plate includes the equal pressing plate of one piece of first retinue, the equal pressing plate of one piece of second retinue and one piece of equal pressing plate of third retinue, first retinue
Equal pressing plate is limited in the loose piece towards in the main body forming frock side by the described second equal pressing plate of accompanying, and described the
The two equal pressing plates of retinue are placed on unmanned main beam box body structure both wings；One piece of third accompanies equal pressing plate setting in the loose piece and institute
It states between main body forming frock and sets up separately in the outside of a pair of of solidification metal positioning tool, under external force, one piece of third
Equal pressing plate of accompanying is moved to corresponding solidification metal positioning tool direction, is pressed to corresponding solidification metal positioning tool.
In a preferred embodiment of the invention, the size of several prepreg overlay positioning tools is according to laying size
Variation change therewith.
In a preferred embodiment of the invention, in each prepreg overlay with being provided with an at least spiral shell on positioning tool
Pit replaces prepreg overlay positioning tool by pin removal.
In a preferred embodiment of the invention, the threaded hole of demoulding is also equipped on the adapter unit.
In a preferred embodiment of the invention, in the solidification with metal positioning tool towards the unmanned main beam
The box body structure side is provided with draw taper.
In a preferred embodiment of the invention, the outer diameter actual size of the inflatable core model is than the unmanned owner
The small 1mm of size of beam box body structure inner cavity.
In a preferred embodiment of the invention, the equal pressing plate of first retinue is the equal pressing plate of silicon rubber system, described the
The two equal pressing plates of retinue are the equal pressing plate of glass-fibre, and the third accompanies equal pressing plate as L shape metal angle section.
Due to using technical solution as above, unmanned main beam box body structure is of the invention using integrated curing molding
Main body forming frock is placed in vacuum bag together with solidification metal positioning tool, inflatable core model, profile-followed pressing plate, autoclave
Interior extrusion forming.
Solidification of the invention metal positioning tool can be used for the positioning of unmanned main beam box body structure side wall, can be with
Play the role of equal pressing plate.Adapter unit of the present invention can be stabilized in autoclave hot pressing, do not influenced solidification and positioned with metal
The position precision of tooling.Inflatable core model designs its knot based on girder box body structure size, inflatable coefficient and forming temperature
Configuration formula and size.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the integrated mould of unmanned main beam box body structure of the invention.
Fig. 2 is the adapter unit and prepreg overlay in the integrated mould of unmanned main beam box body structure of the invention
With positioning tool scheme of installation.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simple introduction.
Unmanned main beam box body structure of the invention is formed using carbon fiber twill prepreg is paved, is set using box body structure
Meter.Wherein:
Referring to Fig. 1 and Fig. 2, the integrated mould of unmanned main beam box body structure includes: main body forming frock 700,12
Group laying 100, two groups of solidification metal positioning tools 200 of positioning tool, an inflatable core model 300, are pressed at 200a with the shape
Plate 400,500,600, moulding process use autoclave process one curing molding.
First positioning hole 710 at three are provided on the main body forming frock 700.
When laying the prepreg overlay of each positioning with 100 location and installation of positioning tool on an adapter unit 800, often
One adapter unit 800 is positioned in corresponding first positioning hole 710.Solidification is divided into nobody with metal positioning tool 200,200a
900 left and right sides of main beam box body structure, each solidification metal positioning tool 200,200a are solid with corresponding adapter unit 800
Fixed connection, this ensure that the unification of same component positioning datum on different technological equipments.
Loose piece 720 is provided on main body forming frock 700.
Laying positioning tool 100 shares 12 groups, and every group of laying is with 100 size of positioning tool according to prepreg overlay thickness
Increase and gradually become smaller, every one layer of paving replaces a laying tooling, and design has the screw thread of 2 M8 on laying positioning tool 100
Laying positioning tool 100 is replaced by pin removal in hole 110.
Unmanned 900 side of main beam box body structure is provided with 2 ° in solidification metal positioning tool 200,200a
Draw taper.The spiral shell for having M6 is being designed with the adapter unit 800 that connection is welded and fixed in metal positioning tool 200,200a with solidification
Pit 810, for demoulding.
Inflatable inner cavity of the core model 300 to form unmanned main beam box body structure 900, may expand the outer diameter of core model 300
Actual size inside contracts 1mm than the inner cavity of unmanned main beam box body structure 900, is obtained using high expansion amount rubber system, and hardness is harder,
It will not influence the surface size precision and thickness deviation of box side wall.
Profile-followed pressing plate 400 uses the equal pressing plate of silicon rubber system, is limited on loose piece 730 by profile-followed pressing plate 500.With
Equal 400 main function of pressing plate of shape is to play the pressurization of segmental arc corner, prevents edge pressure transmission not in place, hole occurs.
Equal pressing plate 500 of accompanying is the equal pressing plate of glass-fibre, and the is placed on unmanned 900 both wings of main beam box body structure, to guarantee
The dimensional accuracy on man-machine 900 surface of girder box body structure.
Profile-followed pressing plate 600 is L shape metal angle section, is arranged between loose piece 720 and main body forming frock 700 and sets up separately
A pair solidifies the outside with metal positioning tool 200,200a.
Profile-followed pressing plate 600 is as a live end and solidification metal positioning tool 200,200a, inflatable 300 phase of core model
Interaction.
Solidification metal positioning tool 200,200a, inflatable core model 300, profile-followed pressing plate 400,500,600 are placed in
On paved good girder, surface laying auxiliary material and bag making, in being press-formed in autoclave.
Claims (8)
1. the integrated mould of unmanned main beam box body structure, comprising:
One main body forming frock is provided with several first positioning holes on the main body forming frock；
Several prepreg overlay positioning tools, when laying the prepreg overlay of each positioning existed with positioning tool location and installation
On one adapter unit, each adapter unit is positioned in corresponding first positioning hole；
A pair is divided into the solidification metal positioning tool at left and right sides of unmanned main beam box body structure, and each solidification is fixed with metal
Position tooling is fixedly connected with corresponding adapter unit；The solidification is with metal positioning tool under external force to the unmanned plane
Solidified and located is carried out at left and right sides of girder box body structure；
The one inflatable core model to form the unmanned main beam box body structure inner cavity；
When main beam box body structure unmanned using autoclave process one curing molding, it is arranged in the unmanned main beam box body knot
Several profile-followed equal pressing plates on structure surface.
2. the integrated mould of unmanned main beam box body structure as described in claim 1, which is characterized in that in the main body
Loose piece is provided on forming frock；The equal pressing plate of retinue includes the equal pressing plate of one piece of first retinue, one piece of second equal pressing plate of retinue
With one piece of equal pressing plate of third retinue, the equal pressing plate of first retinue is limited in the loose piece face by the equal pressing plate of second retinue
To in the main body forming frock side, the equal pressing plate of second retinue is placed on unmanned main beam box body structure both wings；One
Block third is accompanied equal pressing plate setting between the loose piece and the main body forming frock and set up separately determines in a pair of of solidification metal
The outside of position tooling, under external force, one piece of equal pressing plate of third retinue are transported to corresponding solidification metal positioning tool direction
It is dynamic, it presses to corresponding solidification metal positioning tool.
3. the integrated mould of unmanned main beam box body structure as claimed in claim 1 or 2, which is characterized in that if intervening
The size of leaching material laying positioning tool changes therewith according to the variation of laying size.
4. the integrated mould of unmanned main beam box body structure as claimed in claim 1 or 2, which is characterized in that each
Prepreg overlay replaces prepreg overlay positioning tool with an at least threaded hole is provided on positioning tool, by pin removal.
5. the integrated mould of unmanned main beam box body structure as claimed in claim 1 or 2, which is characterized in that described
The threaded hole of demoulding is also equipped on adapter unit.
6. the integrated mould of unmanned main beam box body structure as claimed in claim 1 or 2, which is characterized in that described
Solidification is provided with draw taper towards the unmanned main beam box body structure side with metal positioning tool.
7. the integrated mould of unmanned main beam box body structure as claimed in claim 1 or 2, which is characterized in that it is described can
The outer diameter actual size of thermal expansion mould is 1mm smaller than the size of the unmanned main beam box body structure inner cavity.
8. the integrated mould of unmanned main beam box body structure as claimed in claim 2, which is characterized in that described first with
The equal pressing plate of row is the equal pressing plate of silicon rubber system, and the equal pressing plate of second retinue is the equal pressing plate of glass-fibre, the equal pressing plate of the third retinue
For L shape metal angle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642615.7A CN110341207B (en) | 2019-07-16 | 2019-07-16 | Integrated into one piece mould of unmanned aerial vehicle girder box body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642615.7A CN110341207B (en) | 2019-07-16 | 2019-07-16 | Integrated into one piece mould of unmanned aerial vehicle girder box body structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110341207A true CN110341207A (en) | 2019-10-18 |
| CN110341207B CN110341207B (en) | 2024-07-26 |
Family
ID=68174879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910642615.7A Active CN110341207B (en) | 2019-07-16 | 2019-07-16 | Integrated into one piece mould of unmanned aerial vehicle girder box body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110341207B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843234A (en) * | 2019-11-08 | 2020-02-28 | 西安爱生技术集团公司 | Forming process method of unmanned aerial vehicle carbon fiber composite main beam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020039912A (en) * | 2000-11-22 | 2002-05-30 | 윤덕용 | Outside mold for manufacturing the composite guide beam |
| JP2011011473A (en) * | 2009-07-02 | 2011-01-20 | Honda Motor Co Ltd | Method for molding wing structure |
| CN103029307A (en) * | 2012-12-12 | 2013-04-10 | 江西洪都航空工业集团有限责任公司 | Manufacture method of box-shaped structural main beam made from composite material |
| US20150008623A1 (en) * | 2012-02-17 | 2015-01-08 | Saab Ab | Method and mould system for net moulding of a co-cured, integrated structure |
| CN210501521U (en) * | 2019-07-16 | 2020-05-12 | 宁波沥高复合材料有限公司 | Integrated into one piece mould of unmanned aerial vehicle girder box body structure |
-
2019
- 2019-07-16 CN CN201910642615.7A patent/CN110341207B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020039912A (en) * | 2000-11-22 | 2002-05-30 | 윤덕용 | Outside mold for manufacturing the composite guide beam |
| JP2011011473A (en) * | 2009-07-02 | 2011-01-20 | Honda Motor Co Ltd | Method for molding wing structure |
| US20150008623A1 (en) * | 2012-02-17 | 2015-01-08 | Saab Ab | Method and mould system for net moulding of a co-cured, integrated structure |
| CN103029307A (en) * | 2012-12-12 | 2013-04-10 | 江西洪都航空工业集团有限责任公司 | Manufacture method of box-shaped structural main beam made from composite material |
| CN210501521U (en) * | 2019-07-16 | 2020-05-12 | 宁波沥高复合材料有限公司 | Integrated into one piece mould of unmanned aerial vehicle girder box body structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843234A (en) * | 2019-11-08 | 2020-02-28 | 西安爱生技术集团公司 | Forming process method of unmanned aerial vehicle carbon fiber composite main beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110341207B (en) | 2024-07-26 |
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