CN108422684A - Large-sized composite material cover body or the accurate molding die of cone object and manufacturing method - Google Patents
Large-sized composite material cover body or the accurate molding die of cone object and manufacturing method Download PDFInfo
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- CN108422684A CN108422684A CN201810418174.8A CN201810418174A CN108422684A CN 108422684 A CN108422684 A CN 108422684A CN 201810418174 A CN201810418174 A CN 201810418174A CN 108422684 A CN108422684 A CN 108422684A
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- Prior art keywords
- die ontology
- cover body
- demoulding
- composite material
- die
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- 238000000465 moulding Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 235000012773 waffles Nutrition 0.000 claims description 11
- 238000005728 strengthening Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 3
- 210000002435 tendon Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process 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
- 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)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of large-sized composite material cover body or the accurate molding dies of cone object, including die ontology, demould body, supporter, ventilation base, the die ontology, the demoulding body is placed on the ventilation base, the die ontology shape is in cover body type or cone-shaped, the demoulding body encloses the periphery set on the die ontology bottom, the periphery wall of the demoulding body and the die ontology, which supports, to be closed, the top of the demoulding body is at least provided with a horizontal plane, there is the cavity for penetrating through its top and bottom inside the die ontology, the supporter is set in the cavity, the internal perisporium of the supporter and the die ontology, which supports to close, to be fixed.And disclose the manufacturing method that this kind of part is processed using this mold.Advantage of the present invention：L-type flange can be used as the positioning reference plane of following process, to ensure that the reliability of positioning of part following process, ensures cover body or cone object processing quality, can carry out accurate Butt Assembling.
Description
Technical field
The present invention relates to cover body or cone molding die and manufacturing method, more particularly, to large-sized composite material cover body or
The accurate molding die of cone object and manufacturing method.
Background technology
All kinds of composite material cover bodies on aircraft or cone object, bottom surface are usually the hyperbolic not in same level
Structure, since the size of such part is larger, part is influenced especially prominent by solidification thermal expansion so that External Shape is tight
Deviate its theoretical shape again.To solve the above-mentioned problems, generally use contracts than the method for design to tooling, so that part is real
Border shape is as possible close to theoretical shape, still, even if can if carrying out contracting than designing its inside and outside shape to the forming frock of part
It is had differences with theoretical shape.
In processing, the assembly for subsequently carrying out large-sized composite material cover body or cone, the positioning datum of part is usually adopted
With depicting cutting line in tooling, the method being then processed by the sideline printed off on part, the positioning base of this method
Accurate not accurate enough, the position of the connecting hole so as to cause the boundary processed on part bottom surface and at bottom surface is inaccurate,
Part quality is influenced, causing Butt Assembling, there are large errors, therefore are frequently necessary to processing staff's repair repeatedly, increase repair
Amount, wastes a large amount of working hours, reduces production efficiency.
Invention content
Goal of the invention：In view of the above-mentioned problems, the object of the present invention is to provide a kind of large-sized composite material cover body or cones
The accurate molding die of part, and the system of accurate machine-shaping is carried out using the mold to large-sized composite material cover body or cone
Method is made, the part accuracy of manufacture is improved.
Technical solution：A kind of large-sized composite material cover body or the accurate molding die of cone object, including it is die ontology, de-
Die body, supporter, ventilation base, the die ontology, the demoulding body are placed on the ventilation base, outside the die ontology
Shape is in cover body type or cone-shaped, and the demoulding body encloses the periphery set on the die ontology bottom, the demoulding body and the mould
The periphery wall for having ontology supports conjunction, and at least provided with a horizontal plane, the die ontology inside has on the top of the demoulding body
The cavity of its top and bottom is penetrated through, the supporter is set in the cavity, and the supporter is interior with the die ontology
Peripheral wall is supported to close and be fixed.
According to the large-sized composite material cover body of required processing or the structure size of cone object, the size of die ontology into
Contracting gone than design, when carrying out forming parts manufacture using this molding die, it is contemplated that required in component assembly airtight close
Envelope, ensures that the assembly section shape of accessory inner surface meets theoretical shape, and the top for demoulding body is equipped with horizontal plane, in mold
On ontology when paving prepreg, prepreg is extended on the horizontal plane on demoulding body, the plane of formation can be in following process
It is middle to be used as reference plane, make following process convenient for positioning, to can guarantee the boundary dimensions and connecting hole of part that added work goes out
The accuracy of position；Since die ontology size is larger, supporter is set inside it, can guarantee the stable structure of die ontology
Property, it is not deformed because of the variation of external environment；The cavity of die ontology is connected to ventilation base formation, can guarantee mold sheet
Internal portion forms convection current with extraneous air, is conducive to the heat dissipation in heat curing process, ensures the quality of processing part.
Further, the die ontology includes the part noumenon mould for being integrally formed connection, part surplus mould, the part
Ontology mould is located above the part surplus mould, and the line of demarcation of the two is the hyperbolic structure with difference in height, the demoulding body and
The outer wall of the part surplus mould, which supports, to be closed.Part surplus mould is used to process the surplus region of part, demoulds the horizontal plane on body
The upper plane formed by paving prepreg is integrally formed structure with the surplus region of part.
Further, the demoulding body includes top panel, support plate, cover board, bottom plate, and the top panel surrounds the part
Conjunction is simultaneously supported in surplus mould periphery with the part surplus mould, and the top panel is that the inclined direction along the line of demarcation is in decline step by step
Folded plate, the bottom plate connect in the part surplus mould bottom with the ventilation base, the low side A of the top panel with it is described
Bottom plate connects, and the support plate is equipped with polylith, successively around the part surplus mould peripheral support in the top panel and the bottom
Between plate, the cover board is covered on the outside of the support plate, and the support plate is made to be encapsulated in the internal portion of demoulding.
According to the concrete shape position in line of demarcation, the shape of top panel and the height of entire demoulding body are set, can be contracted
The area in the surplus region of small part, to achieve the effect that save prepreg；The setting of cover board can be manufactured in subsequent parts
In the process, ensure being smoothed out for bag vacuum process.
Further, the top panel includes supporting the first tablet closed, the second tablet, the with the part surplus mould respectively
One inclined plate, the second inclined plate, first tablet, second flatbed horizontal are placed, and first tablet is close to the line of demarcation
High-end B, it is vertical with first planar board space respectively there are two second tablet is set, and in the part surplus mould
Opposite sides is connect by first inclined plate with first tablet respectively, is connected between second tablet and the bottom plate
Second inclined plate.
Further, the ventilation base includes platen, hollowed-out board, strengthening rib strip, the die ontology, the demoulding body
It is placed on the platen, the platen is equipped with the through-hole penetrated through with the cavity, and the hollowed-out board is sequentially connected there are four setting
Rectangular frame is constituted, the platen connect with the top of the rectangular frame, and the strengthening rib strip is equipped with a plurality of, in the rectangle
Lower frame is connected between two opposite hollowed-out boards.The cavity of die ontology is penetrated through with platen, meanwhile, ventilation base
Surrounding be hollowed-out board, can fully ensure that the performance of ventilation and heat dispersion of this molding die, in addition, strengthening rib strip can ensure divulge information bottom
The intensity and stability of seat guarantee to stablize support die ontology placed thereon and demoulding body.
Further, the supporter includes multiple waffle slabs, the waffle slab along the die ontology axial direction successively
Setting, the edges of boards of the waffle slab and the internal perisporium of the die ontology are fixed.Waffle slab can not only play support mode sheet
The effect of internal wall, while the ventilation and heat performance of cavity will not be had an impact.
Further, this molding die further includes top flap, ventilation duct, and the top flap is horizontally arranged and is installed on
The top of the die ontology, the ventilation duct be arranged in from above the top flap top flap to the cavity
Conducting.In paving prepreg, top flap can be used as benchmark, and when preventing artificial paving prepreg, prepreg is taped against mold
This is external, increases the workload of following process.
Best, the base area of the top flap is more than the topside area of the die ontology.
It is above-mentioned a kind of to process this kind of part using large-sized composite material cover body or the accurate molding die of cone object
Manufacturing method includes the following steps：
Step 1：The coating release agent on the demoulding body, then since at the top of the die ontology, in the mold
Paving prepreg on body outer wall face, and the prepreg paving is extended into each of described demoulding body top level and is put down
On face, bottom, which is made, has the pre-manufactured parts of L-type flange；
Step 2：By the pre-manufactured parts together with the molding die one reinstate vacuum bag be packaged, and be put into baking oven into
Row solidification, the pre-manufactured parts are cured, and obtain blank part；
Step 3：At least one location hole is drilled on each of the blank part L-type flange using drill jig, so
Liftout bolt is installed on the demoulding body afterwards, so that the demoulding body is moved up by tightening the liftout bolt, makes the hair
Base part is moved up by the L-type flange, and the blank part is demoulded from the die ontology；
Step 4：Using the L-type flange as reference plane, and using the location hole as the locating clip of part tooling fixture
It holds, brill milling, polishing manufacturing procedure is carried out to the blank part；
Step 5：The blank part of completion of processing is cut, by part balance and the L-type flange
Excision, obtains large-sized composite material cover body or cone object.
Advantageous effect：Compared with prior art, it is an advantage of the invention that：By carrying out contracting than design to die ontology, and
Special structure design is carried out to demoulding body, makes the blank feature bottom that processing obtains that there is L-type flange, L-type flange can be used as
The positioning reference plane of following process, meanwhile, by the way that location hole is arranged on L-type flange, part is can be used as in following process and is existed
Positioning clamping on clamp for machining is avoided and is processed on part bottom surface to ensure that the reliability of positioning of part following process
The occurrence of position on the boundary and the connecting hole at bottom surface that go out is inaccurate ensures that cover body or cone object process matter
Amount can carry out accurate Butt Assembling, save the production time, improve production efficiency；The setting of L-type flange is more convenient for part
Demoulding, meanwhile, the special height design of demoulding body can reduce the area in part surplus region, save material, cost-effective.
Description of the drawings
Fig. 1 is the three-dimensional view of this molding die；
Fig. 2 is that Fig. 1 removes the three-dimensional view after cover board；
Fig. 3 is the sectional view of die ontology；
Fig. 4 is the vertical view of waffle slab；
Fig. 5 is the cooperation schematic diagram using drill jig each component when boring location hole on L-type flange；
Fig. 6 is the cooperation schematic diagram of each component when being demoulded using liftout bolt；
Fig. 7 is the vertical view of drill jig.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.
A kind of large-sized composite material cover body or the accurate molding die of cone object, as shown in figures 1-4, including mold sheet
Body 1, demoulding body 2, supporter 3, ventilation base 4, top flap 6, ventilation duct 7.
Die ontology 1, demoulding body 2 are placed on ventilation base 4, and 1 shape of die ontology is in cover body type or cone-shaped, mold sheet
Body 1 includes the part noumenon mould 11 for being integrally formed connection, part surplus mould 12, and part noumenon mould 11 is located on part surplus mould 12
The line of demarcation 13 of side, the two is the hyperbolic structure with difference in height, and demoulding body 2 encloses the periphery set on 1 bottom of die ontology, demoulds
Body 2 includes top panel 21, support plate 22, cover board 23, bottom plate 24, and bottom plate 24 connects in 12 bottom of part surplus mould and ventilation base 4
It connects, top panel 21 supports conjunction around 12 periphery of part surplus mould and with part surplus mould 12, and top panel 21 is inclining along line of demarcation 13
Tilted direction is in the folded plate declined step by step, and top panel 21 is oblique including the first tablet 211, the second tablet 212, the first inclined plate 213, second
Plate 214, the first tablet 211, the second tablet 212 are horizontal positioned, and the first tablet 211 is close to the high-end B in line of demarcation 13, the second tablet
212 it is parallel set there are two, respectively with 211 spatial vertical of the first tablet, and pass through respectively in the opposite sides of part surplus mould 12
First inclined plate 213 is connect with the first tablet 211, and the second inclined plate 214, i.e. top panel are connected between the second tablet 212 and bottom plate 24
21 low side A is connect with bottom plate 24, and support plate 22 is equipped with polylith, support plate 22 circumferentially disposed around 12 peripheries of part surplus mould
It supports between the first tablet 211 and bottom plate 24 or is supported between the second tablet 212 and bottom plate 24, the cover board 23 is covered in branch
22 outside of fagging, makes support plate 22 be encapsulated in inside demoulding body 2, and the setting of cover board 23 can be protected in subsequent parts manufacturing process
Card bag vacuum process is smoothed out.
There is 1 inside of die ontology the cavity 5 for penetrating through its top and bottom, supporter 3 to be set in cavity 5, supporter 3
Including multiple waffle slabs 31, waffle slab 31 is set gradually along the axial direction of die ontology 1, the edges of boards of waffle slab 31 and the mold sheet
The internal perisporium of body 1 is fixed, and supporter 3 can guarantee the structural stability of die ontology, and change is not generated because of the variation of external environment
Shape；Ventilation base 4 includes platen 41, hollowed-out board 42, strengthening rib strip 43, and die ontology 1, demoulding body 2 are placed on platen 41, platen
41 are equipped with the through-hole that is penetrated through with cavity 5, there are four hollowed-out board 42 is set, are sequentially connected composition rectangular frame, platen 41 and rectangle
The top of frame connects, and strengthening rib strip 43 is equipped with a plurality of, is connected in rectangular frame lower part between two opposite hollowed-out boards 42,
Strengthening rib strip 43 can ensure the intensity and stability of ventilation base 4, guarantee stable support and be positioned on ventilation base 4
Die ontology 1 and demoulding body 2..Top flap 6 is horizontal positioned and is installed on the top of die ontology 1, the bottom surface of top flap 6
Area is more than the topside area of die ontology 1, and ventilation duct 7 is arranged in top flap 6 from above top flap 6 and is led to cavity 5
It is logical.
From the upper orifice of ventilation duct 7 to the bottom of ventilation base 4, communicating structure is formed inside entire molding die, is made
When carrying out part processing and manufacturing with this molding die, it can ensure that there is good result of ventilating heat dissipation.
The manufacturing method of large-sized composite material cover body or cone object, including following step are processed using this molding die
Suddenly：
Step 1：The coating release agent on demoulding body, then since at the top of die ontology, in die ontology outside wall surface
Paving prepreg, and prepreg paving is extended on the first tablet, the second tablet, bottom plate demoulded on body, bottom tool is made
There are the pre-manufactured parts of L-type flange 8；
Step 2：Pre-manufactured parts are reinstated vacuum bag together with molding die one to be packaged, and is put into baking oven and is cured, in advance
Part processed is cured, and obtains blank part 9；
Step 3：At least one location hole 81 is drilled on each L-type flange 8 of blank part 9 using drill jig 100, such as
Shown in Fig. 5；The top flap above die ontology is dismantled, then liftout bolt 200 is installed on demoulding body, as shown in fig. 6,
So that demoulding body is moved up by tightening liftout bolt 200, blank part 9 is made to be moved up by L-type flange 8, blank part 9 is from mold sheet
It is demoulded on body；
Step 4：8 sides are turned over using L-type as reference plane, and using location hole 81 as the positioning clamping of part tooling fixture, it is right
Blank part 9 carries out brill milling, polishing manufacturing procedure；
Step 5：The blank part 9 of completion of processing is cut, the part surplus portion that will be molded as by part surplus
Divide 91 and the excision of L-type flange 8, obtains large-sized composite material cover body or cone object.
As shown in fig. 7, drill jig 100 is equipped with location hole 1001, threaded hole 1002, drill bushing 1003, location hole 1001 is at least
If there are two, location hole 1001, threaded hole 1002 are oppositely arranged with drill bushing 1003 respectively, and location hole is being drilled using drill jig 100
When 81, drill jig 100 is placed in the corresponding position on ventilation base first, at this point, drill bushing 1003 is located above L-type flange, fixed
It is inserted into positioning pin in the hole 1001 of position and positions drill jig 100, bolt is then screwed into threaded hole 1002, drill jig 100 is fixed, finally
Location hole is drilled by the position of drill bushing 1003.
L-type flange is circumferentially disposed around the bottom of blank part, and at least one location hole is all had on each L-type flange,
It boring in the manufacturing procedures such as milling, polishing, L-type flange can be used as reference plane, meanwhile, location hole can be used as part on clamp for machining
Positioning clamping keeps the positioning of part more convenient reliable, thus it is guaranteed that subsequent processing quality, avoids on part bottom surface
The occurrence of position on the boundary and the connecting hole at bottom surface that process is inaccurate.
Claims (9)
1. a kind of large-sized composite material cover body or the accurate molding die of cone object, it is characterised in that：Including die ontology
(1), demoulding body (2), supporter (3), ventilation base (4), the die ontology (1), the demoulding body (2) are placed in the ventilation
On pedestal (4), die ontology (1) shape is in cover body type or cone-shaped, and the demoulding body (2) is enclosed set on the die ontology
(1) periphery wall of the periphery of bottom, the demoulding body (2) and the die ontology (1), which supports, to be closed, the top of the demoulding body (2)
There is the cavity (5) for penetrating through its top and bottom, the branch at least provided with a horizontal plane, inside the die ontology (1)
Support body (3) is set in the cavity (5), and the internal perisporium of the supporter (3) and the die ontology (1), which supports to close, to be fixed.
2. large-sized composite material cover body according to claim 1 or the accurate molding die of cone object, it is characterised in that：
The die ontology (1) includes the part noumenon mould (11) for being integrally formed connection, part surplus mould (12), the part noumenon mould
(11) it is located above the part surplus mould (12), the line of demarcation (13) of the two is the hyperbolic structure with difference in height, described de-
Die body (2) and the outer wall of the part surplus mould (12) are supported and are closed.
3. large-sized composite material cover body according to claim 2 or the accurate molding die of cone object, it is characterised in that：
The demoulding body (2) includes top panel (21), support plate (22), cover board (23), bottom plate (24), and the top panel (21) surrounds institute
It states part surplus mould (12) periphery and is supported with the part surplus mould (12) and closed, the top panel (21) is along the line of demarcation
(13) inclined direction is in the folded plate declined step by step, and the bottom plate (24) is in the part surplus mould (12) bottom and the ventilation
Pedestal (4) connects, and the low side A of the top panel (21) is connect with the bottom plate (24), and the support plate (22) is equipped with polylith, according to
It is secondary around part surplus mould (12) peripheral support between the top panel (21) and the bottom plate (24), the cover board (23)
It is covered on the outside of the support plate (22), so that the support plate (22) is encapsulated in the demoulding body (2) internal.
4. large-sized composite material cover body according to claim 3 or the accurate molding die of cone object, it is characterised in that：
The top panel (21) include respectively with the part surplus mould (12) support close the first tablet (211), the second tablet (212),
First inclined plate (213), the second inclined plate (214), first tablet (211), second tablet (212) are horizontal positioned, described
First tablet (211) close to the line of demarcation (13) high-end B, there are two second tablet (212) sets, respectively with described the
One tablet (211) spatial vertical, and pass through first inclined plate (213) respectively in the opposite sides of the part surplus mould (12)
It is connect with first tablet (211), second inclined plate is connected between second tablet (212) and the bottom plate (24)
(214)。
5. large-sized composite material cover body according to claim 1 or the accurate molding die of cone object, it is characterised in that：
The ventilation base (4) includes platen (41), hollowed-out board (42), strengthening rib strip (43), the die ontology (1), the demoulding
Body (2) is placed on the platen (41), and the platen (41) is equipped with the through-hole penetrated through with the cavity (5), the hollowed-out board
(42) there are four setting, it is sequentially connected composition rectangular frame, the platen (41) connect with the top of the rectangular frame, described to add
Strengthening tendons item (43) be equipped with it is a plurality of, between the rectangular frame lower part is connected to the hollowed-out board (42) of opposite two.
6. large-sized composite material cover body according to claim 1 or the accurate molding die of cone object, it is characterised in that：
The supporter (3) includes multiple waffle slabs (31), and the waffle slab (31) sets successively along the axial direction of the die ontology (1)
It sets, the internal perisporium of the edges of boards and the die ontology (1) of the waffle slab (31) is fixed.
7. large-sized composite material cover body according to claim 1 or the accurate molding die of cone object, it is characterised in that：
Further include top flap (6), ventilation duct (7), the top flap (6) is horizontal positioned and is installed on the die ontology (1)
Top, the ventilation duct (7) are arranged in the top flap (6) from above the top flap (6) and are extremely led with the cavity (5)
It is logical.
8. large-sized composite material cover body according to claim 7 or the accurate molding die of cone object, it is characterised in that：
The base area of the top flap (6) is more than the topside area of the die ontology (1).
9. a kind of want 1~8 any the large-sized composite material cover body or the accurate molding die of cone object to add using right
The manufacturing method of this kind of part of work, it is characterised in that include the following steps：
Step 1：The coating release agent on the demoulding body, then since at the top of the die ontology, in the die ontology
Paving prepreg in outside wall surface, and the prepreg paving is extended into each of the demoulding body top horizontal plane
On, bottom, which is made, has the pre-manufactured parts of L-type flange；
Step 2：The pre-manufactured parts are reinstated vacuum bag together with the molding die one to be packaged, and is put into baking oven and is consolidated
Change, the pre-manufactured parts are cured, and obtain blank part；
Step 3：At least one location hole is drilled on each of the blank part L-type flange using drill jig, then will
Liftout bolt is installed on the demoulding body, so that the demoulding body is moved up by tightening the liftout bolt, is made the blank zero
Part is moved up by the L-type flange, and the blank part is demoulded from the die ontology；
Step 4：Using the L-type flange as reference plane, and using the location hole as the positioning clamping of part tooling fixture,
Brill milling, polishing manufacturing procedure are carried out to the blank part；
Step 5：The blank part of completion of processing is cut, part balance and the L-type flange are cut
It removes, obtains large-sized composite material cover body or cone object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418174.8A CN108422684B (en) | 2018-05-04 | 2018-05-04 | Precise forming die for large-size composite material cover body or cone part and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418174.8A CN108422684B (en) | 2018-05-04 | 2018-05-04 | Precise forming die for large-size composite material cover body or cone part and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108422684A true CN108422684A (en) | 2018-08-21 |
| CN108422684B CN108422684B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810418174.8A Active CN108422684B (en) | 2018-05-04 | 2018-05-04 | Precise forming die for large-size composite material cover body or cone part and manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111186143A (en) * | 2019-12-26 | 2020-05-22 | 航天神舟飞行器有限公司 | Integrated forming tool and forming process for composite material nose cone of unmanned aerial vehicle electric cabin |
| CN113400681A (en) * | 2021-05-19 | 2021-09-17 | 重庆海庆新材料有限公司 | Forming and positioning device for cabin cover embedded part |
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| CN110341206A (en) * | 2019-06-11 | 2019-10-18 | 江西昌河航空工业有限公司 | A kind of mode structure and the forming method of composite material parts |
| CN111186143A (en) * | 2019-12-26 | 2020-05-22 | 航天神舟飞行器有限公司 | Integrated forming tool and forming process for composite material nose cone of unmanned aerial vehicle electric cabin |
| CN113400681A (en) * | 2021-05-19 | 2021-09-17 | 重庆海庆新材料有限公司 | Forming and positioning device for cabin cover embedded part |
| CN113400681B (en) * | 2021-05-19 | 2023-04-07 | 重庆海庆新材料有限公司 | Forming and positioning device for embedded part of engine room cover |
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