CN106926479B - A kind of more beam box section co-curing forming frocks of composite material - Google Patents
A kind of more beam box section co-curing forming frocks of composite material Download PDFInfo
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- CN106926479B CN106926479B CN201710296953.0A CN201710296953A CN106926479B CN 106926479 B CN106926479 B CN 106926479B CN 201710296953 A CN201710296953 A CN 201710296953A CN 106926479 B CN106926479 B CN 106926479B
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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
- 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
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention belongs to composite material autoclave forming process technical fields, and in particular to a kind of more beam box section co-curing forming frocks of composite material, including beam mould component and covering die component；Beam mould component includes at least three beam moulds being set side by side；Two adjacent beam moulds include the template for clamping beam blank in adjacent side, and have one in the template of clamping beam blank for rigidity, another is flexibility；Beam mould further includes matching with covering die component, for clamping the flexible template of covering blank.The forming frock realizes a co-curing molding, and can ensure Forming Quality.The beneficial effects of the present invention are: upper wall plate forming die and lower wall plate forming die can be made to be accurately positioned, guarantee the depth of parallelism of upper and lower wallboard forming mould and the height of box section.It can guarantee accurate positioning of the beam slab part in assembling and solidification process, to guarantee the thickness and axis degree of part.Simple process, the period is short, at low cost, has reached weight loss effect.
Description
Technical field
The invention belongs to composite material autoclave forming process technical fields, and in particular, to a kind of more beams of composite material
Box section co-curing forming frock.
Background technique
Autoclave (Hot Air Autoelave or writing a Chinese character in simplified form Atitoelave) be it is a kind of for polymer matrix composite at
The process equipment of type process characteristic carries out the method for moulding process autoclave molding method using this equipment.Autoclave molding
Method is to manufacture the main method of continuous fiber reinforcement same with thermosetting compound material product, is now widely used for advanced composite material knot
The molding of structure, honeycomb sandwich construction and metal or adhesive bonding of composites structure.When material forms, provided simultaneously using in autoclave
Uniform temperature and well-distributed pressure and solidify, so can be obtained, surface and internal soundness are high, and complex-shaped, area is huge compound
Material.
Autoclave molding method is one of the process that is widely used both at home and abroad at present, be mainly used for large scale, shape compared with
The manufacture of complicated Aeronautics and Astronautics FRP component, such as Skin Parts, beam, frame, various siding parts, floor and radome fairing.Autoclave at
The basic principle of type method is: by prepreg by laying requirement laying on mold, and being put into autoclave after being sealed in vacuum bag
In, by the heating of autoclave equipment, pressurization, material solidification reaction is completed, prepreg blank is made to become required shape and meet matter
Measure the process of desired component.
Carbon fiber enhancement resin base composite material has specific strength and specific modulus is high and designability is strong and is easy to whole
The advantages such as molding, therefore be widely used in aviation field, especially in terms of civil aircraft.Composites Molding Techniques are very
More, prepreg-autoclave process, in occupation of critical positions, there is co-curing with its excellent product quality, cementing altogether, secondary cementing
Etc. modes.
At home and abroad composite torsion-box structural member employed in army's civil aircraft project generallys use following several sides at present
Formula manufacture:
1, by assembly connection at box section after composite material skin and beam part are separately fabricated；
2, RTM technique；
3, rubber pneumatic bag moulding process.
In three of the above process, the 1st kind of method is using splicing tooling, the covering and beam part positioning error of box section
Greatly, it cannot be guaranteed that the depth of parallelism of depth of beam and upper and lower covering, and the manufacturing cycle is long, and cost is big.2nd kind of method and the 3rd kind of side
Method is whole co-curing molding, although shortening the period, reduces costs, not can guarantee the Forming Quality of part.2nd kind
Method requires Resin Flow very high, may be only available for specific resin system, and molding product resin gel content compared with
It is high and unstable, it is impossible to be used in the load box section structure of aircraft.3rd kind of method uses rubber pneumatic bag expandable pressurized, due to air bag
It is intracavitary in type, cause the temperature uniformity of entire product and mold poor, and there are ageing of rubber, swell increment dyscalculias etc. to ask
Topic be easy to cause pressurization uneven, and the problems such as so as to cause positional shift, bending deformation, whole box section quality cannot be ensured.
Summary of the invention
It is an object of the invention to: for the problem of the Forming Quality difference of the prior art, provide a kind of more beams of composite material
Box section co-curing forming frock；The forming frock realizes more beam box sections on the basis of existing multiple solidification reassembles technique
Co-curing molding, and can ensure Forming Quality.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of more beam box section co-curing forming frocks of composite material, including beam mould component and covering die component；
The beam mould component includes at least three beam moulds being set side by side；Two adjacent beam moulds, adjacent one
Side includes the template for clamping beam blank, and has one in the template of the clamping beam blank for rigidity, another is
It is flexible；The beam mould further includes matching with covering die component, for clamping the flexible template of covering blank.
Beam mould of the invention be use in such a way that rigid template is combined with flexible template made of soft mode, beam blank
Two sides be side be rigid template, the other side is flexible template.Traditional handicraft uses the engineering method of flexible rubber template, lacks
Point is shaping position deviation, molding distortion, it is such be arranged compared to traditional two sides be flexible template setting, advantage is
Rigid template plays the role of tieing up the effect of shape positioning, and flexible template plays autoclave extrusion forming, and the two, which combines, to be reached
To unexpected effect.Finally beam mould component and covering die component are assembled, make the side covering mould of covering blank
The rigid template of tool, the other side are the flexible template of beam mould, finally enter the later processing operation of autoclave molding, can obtain
The more beam box section parts excellent to Forming Quality.
It is preferred that the covering die component includes lower wall plate forming die and upper wall plate forming die, the two passes through
Supporting element connection；The beam mould component is arranged between lower wall plate forming die and upper wall plate forming die, with covering die component
The space for placing blank is collectively formed.
Supporting element keeps the distance between upper wall plate forming die and upper wall plate forming die fixed, inside setting beam mould component,
The spatial position of formation is fixed, and the problem of leading to Forming Quality because of the displacement of mold will not occur.
Further, the beam mould component includes one with soft mode, at least one inside soft mode and one on the outside of rigid template
It is a without soft mode on the outside of rigid template；Soft mode and be U-type groove body without soft mode on the outside of rigid template on the outside of the rigid template of band；It is described
Inside soft mode is a cylinder.Inside beam mould is tubular, and the U-type groove body that two sides are set side by side forms the molding sky of beam blank
Between.
Further, soft mode and inside soft mode by a rigid template two sides connect flexible template system on the outside of the rigid template of the band
At, and the both ends of the rigid template are provided with fixed ear.The fixed ear of rigid type board ends, which plays, positions beam mould component
Fixed effect.
Further, it is provided with positioning column on the lower wall plate forming die, the positioning column is arranged in pairs at least two groups；
The fixed ear of soft mode is installed on lower wall plate forming die on outermost one group of positioning column on the outside of the rigid template of band,
And on the outside of the rigid template of band soft mode notch direction towards the outside of lower wall plate forming die；
The fixed ear of the inside soft mode is respectively arranged on remaining each group positioning column, and the flexible type of the inside soft mode
Plate is adjacent with the rigid template of the rigid template with soft mode on the outside of rigid template or previous inside soft mode respectively.
By accurate positioning column is pre-positioned on covering die, by the two sides of beam blank clamped by beam mould, there is one
Side is rigid template, and the other side is flexible template.
It is preferred that the lower wall plate forming die includes lower covering template, the back side setting of the lower covering template
There are orthogonal lower horizontal structure plate and lower vertical structure plate；Ventilation and heat window is provided on the lower horizontal structure plate and lower vertical structure plate；
Lower lifting lug is additionally provided on the lower horizontal structure plate；The bottom of the lower horizontal structure plate and lower vertical structure plate is additionally provided with lower wall plate forming die
Backing plate.
It is preferred that the upper wall plate forming die includes upper covering template, the back side setting of the upper covering template
There are orthogonal horizontal structure plate and upper vertical structure plate；Ventilation and heat window is provided on the upper horizontal structure plate and upper vertical structure plate；
Lifting lug is additionally provided on the upper horizontal structure plate；The bottom of the upper horizontal structure plate and upper vertical structure plate is additionally provided with upper wall plate forming die
Backing plate.
Structure plate plays the role of supporting and shaping, and preventing covering template, deformation occurs, causes part quality deviation.Due to hot pressing
The uniformity of Temperature Distribution is an important indicator in moulding process in tank, and therefore, ventilation and heat window plays average temperature
The effect of degree.Since usual aviation part small product size produced is larger, so lifting lug cooperates hanging device, be conducive to carry and
Assembling.The effect of backing plate is to facilitate placement, avoids external force contact squeeze from colliding die ontology, causes deformation.
Further, mutually symmetrical with upper wall plate forming die shaft there are two being also set up on the upper vertical structure plate.Shaft side
Just the turning operation in lifting.
Using said modules, beam blank and covering blank one co-curing can be formed.In addition, the present invention is existing
Autoclave molding technology on the basis of improvement, rigid template is arranged in the side of beam blank, plays the role of tieing up shape support；
Flexible template is arranged in the other side, and vacuum bag is arranged on the outside of flexible template, to enter in autoclave, can pass through flexible template picture
Beam blank applies pressure；By the above-mentioned flexible setting for combining rigidity, the Forming Quality of part can be ensured.
It should be pointed out that the rigid template made in soft mode and inside soft mode on the outside of the above-mentioned rigid template of band should not be construed
The same rigid template, that is, should not be construed the parameters such as shape, the size of the rigid template must be completely the same, specific root
According to rigid template the parameter of molding beam determine.Specifically, vertical look up, the contact line of beam and covering may include song
Line, it is also possible to all straight lines；And it is horizontal look up, different depths of beam may be inconsistent.Shape of the invention can not only expire
The part of the approximate rectangular formula of foot, can also be arranged to other shapes, to meet the needs of production different shape part.
In conclusion by adopting the above-described technical solution, the beneficial effect of the present invention compared with the existing technology is:
1, the present invention realize the more beam box sections of composite material a co-curing molding, and can make upper wall plate forming die with
Lower wall plate forming die is accurately positioned, and guarantees the depth of parallelism of upper and lower wallboard forming mould and the height of box section.
2, the present invention can guarantee accurate positioning of the beam slab part in assembling and solidification process, to guarantee the thickness of part
Degree and axis degree.
3, present invention process is easy to operate, and repeatability is strong, shortens the manufacturing cycle, reduces manufacturing cost, reaches
Weight loss effect.
Detailed description of the invention
Fig. 1 is rigid template schematic diagram.
Fig. 2 is outside soft mould tooling schematic diagram.
Fig. 3 is soft mode cross-section diagram on the outside of the rigid template of soft mould frock making band of outside.
Fig. 4 is with soft mode schematic diagram on the outside of rigid template.
Fig. 5 is inside soft mould tooling schematic diagram one.
Fig. 6 is inside soft mould tooling schematic diagram two.
Fig. 7 is soft mode cross-section diagram on the inside of the soft mould frock making of inside.
Fig. 8 is inside soft mode schematic diagram.
Fig. 9 is outside soft mould frock making without soft mode cross-section diagram on the outside of rigid template.
Figure 10 is without soft mode schematic diagram on the outside of rigid template.
Figure 11 is rib laying mould schematic diagram.
Figure 12 is beam mould component locating support schematic diagram.
Figure 13 is the assembling schematic diagram one of beam mould component and rib.
Figure 14 is the assembling schematic diagram two of beam mould component and rib.
Figure 15 is the assembling schematic diagram three of beam mould component and rib.
Figure 16 is lower wall plate forming die schematic diagram.
Figure 17 is upper wall plate forming die schematic diagram.
Figure 18 is the assembling schematic diagram of beam mould component and rib and lower wall plate forming die.
Figure 19 is that beam mould component locating support removes schematic diagram.
Figure 20 is supporting element schematic diagram.
Figure 21 is beam and covering co-curing forming frock schematic diagram.
Figure 22 is beam and covering co-curing forming frock side view.
Figure 23 is the portion A enlarged drawing.
Filling region a in attached drawing 23 indicates that rib blank, b indicate covering blank.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of more beam box section co-curing forming frocks of composite material, including beam mould component and covering die component；
As shown in figure 21, the beam mould component includes at least three beam moulds being set side by side；Two adjacent beam forms
Tool, includes the template for clamping beam blank in adjacent side, and it is rigid for having one in the template of the clamping beam blank
Property, another is flexibility；The beam mould further includes matching with covering die component, for clamping the flexibility of covering blank
Template.
As shown in figure 22, the covering die component includes lower wall plate forming die 210 and upper wall plate forming die 230, the two
It is connected by supporting element 220；The beam mould component is arranged between lower wall plate forming die 210 and upper wall plate forming die 230, with
The space for placing blank is collectively formed in covering die component.
As shown in figure 15, the beam mould component includes one with soft mode 120, at least one inside soft mode on the outside of rigid template
130 and one without soft mode 140 on the outside of rigid template；Soft mode 120 and without soft mode 140 on the outside of rigid template on the outside of the rigid template of band
It is U-type groove body；The inside soft mode 130 is a cylinder.
As shown in Fig. 4,8, soft mode 120 and inside soft mode 130 are connected by rigid 110 two sides of template on the outside of the rigid template of band
It connects flexible template to be made, and the both ends of the rigid template 110 are provided with fixed ear 111.
As shown in Figure 18,19, positioning column 150 is provided on the lower wall plate forming die 210, the positioning column 150 is in pairs
At least two groups are set；
The fixed ear 111 of soft mode 120 is installed on lower wall plate forming die 210 outermost one group on the outside of the rigid template of band
On positioning column 150, and on the outside of the rigid template of the band soft mode 120 notch direction towards the outside of lower wall plate forming die 210；
The fixed ear 111 of the inside soft mode 130 is respectively arranged on remaining each group positioning column 150, and the inside is soft
The flexible template of the mould 130 rigid type with the rigid template 110 with soft mode 120 on the outside of rigid template or previous inside soft mode 130 respectively
Plate 110 is adjacent.
As shown in figure 16, the lower wall plate forming die 210 includes lower covering template 214, the back of the lower covering template 214
Face is provided with orthogonal lower horizontal structure plate 213 and lower vertical structure plate 212；It is all provided on the lower horizontal structure plate 213 and lower vertical structure plate 212
It is equipped with ventilation and heat window；Lower lifting lug 211 is additionally provided on the lower horizontal structure plate 213；The lower horizontal structure plate 213 and lower vertical structure plate
212 bottom is additionally provided with lower wall plate forming die backing plate 216.
As shown in figure 17, the upper wall plate forming die 230 includes upper covering template 235, the back of the upper covering template 235
Face is provided with orthogonal horizontal structure plate 234 and upper vertical structure plate 233；It is all provided on the upper horizontal structure plate 234 and upper vertical structure plate 233
It is equipped with ventilation and heat window；Lifting lug 232 is additionally provided on the upper horizontal structure plate 234；The upper horizontal structure plate 234 and upper vertical structure plate
233 bottom is additionally provided with upper wall plate forming die backing plate 235.It is mutually symmetrical with there are two being also set up on the upper vertical structure plate 233
Upper wall plate forming die shaft 231.
Each forming frock and auxiliary mould described in detail below:
The more beam box section co-curing molding beam mould components of composite material, including at least three beam moulds being set side by side；
Two adjacent beam moulds include the template for clamping beam blank in adjacent side, and the type of the clamping beam blank
There is one in plate for rigidity, another is flexibility.
Specifically, as shown in figure 4, the beam mould component includes with soft mode 120 on the outside of rigid template, outside the rigid template of band
Side soft mode 120 is a U-type groove body.
As shown in figure 8, the beam mould component includes inside soft mode 130, the inside soft mode 130 is a cylinder.
As shown in figure 8, being provided with unfilled corner structure on the cylinder of the inside soft mode 130.
Soft mode 120 connects flexible template system by rigid 100 two sides of template with inside soft mode 130 on the outside of the rigid template of band
At.Specifically, as shown in figure 3, the flexible template of soft mode 120 is by with rubber on the outside of soft mode on the outside of rigid template on the outside of the rigid template of the band
Glue 121 and with soft mode inner rubber 122 on the outside of rigid template, centre is carried soft mode prepreg 123 on the outside of rigid template secretly and is formed；Such as Fig. 7
Shown, the flexible template of the inside soft mode 130 is intermediate by inside soft mode outer rubber 131 and inside soft mode inner rubber 132
Folder inside soft mode prepreg 133 forms.
As shown in Fig. 3,7, the two sides of the rigid template 110 are inclined-plane, and the inclined-plane is towards the inside of rigid template 110
Face.
As shown in Figure 1, the both ends of the rigid template 110 are provided with fixed ear 111；The medial surface of the rigid template 110
It is additionally provided with reinforcing rib 112.
The beam mould component includes without soft mode 140 on the outside of rigid template, and described without soft mode 140 on the outside of rigid template is one
U-type groove body.
It is described to be made without soft mode 140 on the outside of rigid template of flexible template, as shown in figure 9, described without rigid template outside
The flexible template of soft mode 140 is by without soft mode outer rubber 142 on the outside of rigid template and without soft mode inner rubber on the outside of rigid template
141, centre folder is formed without soft mode prepreg 143 on the outside of rigid template.
Above-mentioned prepreg uses Fabric prereg laying layer 2-3.
The composite material more molding of beam box section co-curing beam mould assembly forming toolings, including outside soft mould tooling
400 and inside soft mould tooling 500, as shown in Fig. 2, the outside soft mould tooling 400 is a U-type groove body；Such as Fig. 5 institute
Show, the inside soft mould tooling 500 is a cylinder being composed of two U-type groove bodies.
As shown in Fig. 2, the both ends of the outside soft mould tooling 400 are provided with outside soft mode limited block 410.
As shown in fig. 6, the inside soft mould tooling 500 includes inside soft mould tooling upper die body 520 and inside
Soft mould tooling lower mold body 530, the inside soft mould tooling upper die body 520 and inside soft mould tooling lower mold body
530 be U-type groove body, and the two is combined into a cylinder by the way that the locating piece 540 of side is arranged in.
As shown in figure 5, the inside soft mould tooling upper die body 520 and inside soft mould tooling lower mold body 530
Both ends are respectively arranged with inside soft mode limited block 510.
As shown in figure 5, the top of the inside soft mould tooling upper die body 520 is provided with inside soft mode lifting plate 521
With inside soft mode shaft 522.
As shown in figure 5, the both ends of the inside soft mould tooling upper die body 520 are additionally provided with rigid template fixed ear 523.
The more beam box section co-curing molding beam mould component locating supports of composite material, as shown in figure 12, including two groups of phases
To the locating support 300 of setting, it is respectively arranged at least two groups position on the locating support 300 and is relatively fixed plate 330.
As shown in figure 12, it is provided with positioning plate on the locating support 300, is provided with dowel hole on the positioning plate.
The locating support 300 is made of the crossbeam 310 and vertical beam 320 being fixed to each other, and the fixed plate 330 is arranged in the vertical beam
On 320.The crossbeam 310 and the vertical beam 320 are orthogonal.The vertical beam 320 is provided at least two.The locating support
300 height is less than the height of beam mould component.
The more beam box section co-curing moulding process of composite material are introduced below, so that those skilled in the art can be real
Apply the present invention.A kind of more beam box section co-curing moulding process of composite material, include the following steps:
A, the making step of beam mould component；
B, the making step of beam blank；
C, the assembling steps of beam mould component and beam blank；
D, the making step of covering die component and covering blank；
E, the assembling steps of beam mould component and beam blank and covering die component and covering blank.
Auxiliary mould and process used by each step of A, B, C, D, E described in detail below:
A, the making step of the beam mould component includes:
The making step of A1, outside beam form with rigid template:
A1.1, as shown in Figure 1, production one rigid template 110, the rigid template 110 is identical as the profile of its preforming beam,
Its opposite both ends is respectively arranged with fixed ear 111；Shape, size and the hole location parameter of rigid template 110 are special by beam part physics
Property determine；
A1.2, as shown in Fig. 2, production one outside soft mould tooling 400, the outside soft mould tooling 400 be a U
Type groove body, slot bottom are identical as the profile of the rigid template 110；
A1.3, as shown in figure 3, the rigid template 110 to be placed on to the slot bottom of the outside soft mould tooling 400, and
Laying rubber presss from both sides prepreg flexibility template, and the flexible template and institute on the cell wall of the outside soft mould tooling 400
The two sides for stating rigid template 110 are separately connected；
A1.4, as shown in figure 4, being solidified together with rigid template 110 and rubber folder prepreg flexibility template, demoulding place again
Reason, obtains with soft mode 120 on the outside of rigid template；Type face precision and quality with soft mode 120 on the outside of rigid template and part checking and accepting technology
Condition is identical；This soft mode is formed for lateral face；
The making step of A2, inside beam form:
A2.1, as shown in Figure 1, production one rigid template 110, the rigid template 110 is identical as the profile of its preforming beam,
The opposite both ends of the rigid template 110 are respectively arranged with fixed ear 111；Shape, size and the hole location parameter of rigid template 110 are by beam
Part physical characteristic determines；
A2.2, as shown in Figure 5,6, one inside soft mould tooling 500 of production, the inside soft mould tooling 500 are
One cylinder being composed of two U-type groove bodies, the slot bottom of one of U-type groove body are identical as the profile of the rigid template 110；
A2.3, as shown in fig. 7, the rigid template 110 is placed on slot bottom identical with its profile, and it is soft in the inside
Laying rubber presss from both sides prepreg flexibility template, and the flexible template and the rigid type on remaining inner tube wall of mold forming tooling 500
The two sides of plate 110 are separately connected；
A2.4, as shown in figure 8, being solidified together with rigid template 110 and rubber folder prepreg flexibility template, demoulding place again
Reason obtains inside soft mode 130；The type face precision and quality of inside soft mode 130 is identical as part inspection specifications, as needed
Make respective numbers；This soft mode is formed for osculant face；
A3, without rigid template outside beam form making step:
A3.1, as shown in Fig. 2, production one outside soft mould tooling 400, the outside soft mould tooling 400 be a U
Type groove body, slot bottom are identical as the profile of its preforming beam；
A3.2, as shown in figure 9, on the slot bottom and cell wall of the outside soft mould tooling 400 laying rubber folder preimpregnation
Expect flexible template；
A3.3, as shown in Figure 10, rubber folder prepreg flexibility template is solidified, demoulds processing again, obtained without rigid
Soft mode 140 on the outside of template；This soft mode is formed for outermost type face.
Wherein, step A1, A2, A3 can be parallel, have no sequencing limitation, and working efficiency can be improved in parallel work-flow.Pay attention to
The soft mode made is protected with isolated material.
B, the making step of the beam blank includes:
B1, as shown in figure 11, production rib laying mould 700, the rib laying mould 700 include one identical with beam profile
Outer surface；
B2, it removes, obtains in the outer surface of rib laying mould 700 and the side laying prepreg of outer surface, then by prepreg
To the rib of a U-type groove shape；
B3, repeat aforesaid operations, make at least four ribs.
C, the assembling steps of the beam mould component and beam blank include:
C1, as shown in figure 12, make a beam mould component locating support, the beam mould component locating support include two groups
The locating support 300 being oppositely arranged is respectively arranged at least two groups position on the locating support 300 and is relatively fixed plate 330；
C2, as shown in figure 13, the fixed ear 111 with soft mode 120 on the outside of rigid template is installed on the locating support 300
In outermost one group of fixed plate 330, and on the outside of the rigid template of the band soft mode 120 notch towards the outside of locating support 300；
C3, as shown in figure 14, the outside placement rib of soft mode 120 on the outside of with rigid template, and the notch court of the rib
The side of soft mode 120 on the outside of with rigid template；Oppositely positioned another rib again；
C4, as shown in figure 14, the fixed ear 111 of inside soft mode 130 is installed in next group of fixed plate 330, and described
The flexible template side of inside soft mode 130 is adjacent with soft mode 120 on the outside of rigid template；
C5, as shown in figure 15, places rib on inside soft mode 130, and the notch of the rib is towards inside soft mode 130
Side；Oppositely positioned another rib again；
C6, placed on rib it is described without soft mode 140 on the outside of rigid template and described without soft mode 140 on the outside of rigid template
Notch towards the outside of locating support 300.
D, the making step of the covering die component and covering blank includes:
D1, as shown in figure 16, production lower wall plate forming die 210, and in the lower covering template 214 of lower wall plate forming die 210
On mat formation covering blank；
D2, as shown in figure 17, production upper wall plate forming die 230, and in the upper covering template 235 of upper wall plate forming die 230
On mat formation covering blank.
E, the beam mould component and beam blank and the assembling steps of covering die component and covering blank include:
E1, as shown in figure 18, installation positioning column 150, the positioning on the lower wall plate forming die 210 for covering blank of mating formation
The top of column 150 is provided with the mounting hole for fixing the fixed ear 111, and positioning column 150 is arranged in pairs at least two groups；
E2, as shown in figure 19, the fixed ear 111 of soft mode 120 and inside soft mode 130 on the outside of the rigid template of the band is pacified respectively
Loaded on positioning column 150, then unload locating support 300；
E3, as shown in figure 20, the installation supporting element 220 on the lower wall plate forming die 210；
E4, as shown in figure 21, the upper wall plate forming die 230 for covering blank of mating formation is installed on the another of the supporting element 220
One end.
Finally, the outermost that beam mould component will be arranged in without soft mode 140 on the outside of rigid template, that is, with rigid template outside
The opposite side of side soft mode 120；Encapsulate and check vacuum system again, vacuum degree must reach -0.88Bar hereinafter, vacuum in 5 minutes
Leakage must not exceed 0.17Bar.Enter autoclave immediately and carry out curing process, after the solidification is complete disassembling fixture, it can be from work
It loads onto and removes part, realize demoulding.
As shown in figure 22, beam mould component collectively forms blank with lower wall plate forming die 210 and upper wall plate forming die 230 and fills out
Fill region, the position of as final beam blank and covering blank.It as shown in figure 23, is the portion A enlarged diagram in Figure 22, a is to cut
Face is in the rib of C font, and mutually privately combination is in an I-shaped beam blank to two rib openings, and beam blank and covering blank b connect
It connects, realizes whole co-curing molding.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of more beam box section co-curing forming frocks of composite material, it is characterised in that: including beam mould component and covering die
Component；The beam mould component includes at least three beam moulds being set side by side；Two adjacent beam moulds, it is equal in adjacent side
Include the template for clamping beam blank, and have one in the template of the clamping beam blank for rigidity, another is soft
Property；The beam mould further includes matching with covering die component, for clamping the flexible template of covering blank；The beam form
Have component include one with soft mode (120) on the outside of rigid template, at least one inside soft mode (130) and one without rigid template outside
Soft mode (140)；Soft mode (120) and be U type groove body without soft mode (140) on the outside of rigid template on the outside of the rigid template of band；Institute
Stating inside soft mode (130) is a cylinder.
2. the more beam box section co-curing forming frocks of composite material according to claim 1, it is characterised in that: the covering
Die assembly includes lower wall plate forming die (210) and upper wall plate forming die (230), and the two is connected by supporting element (220)；It is described
Beam mould component is arranged between lower wall plate forming die (210) and upper wall plate forming die (230), with the common shape of covering die component
At the space for placing blank.
3. the more beam box section co-curing forming frocks of the composite material according to claim 2, it is characterised in that: the band is rigid
Soft mode (120) connects flexible template by rigid template (110) two sides with inside soft mode (130) and is made on the outside of template, and described
The both ends of rigid template (110) are provided with fixed ear (111).
4. the more beam box section co-curing forming frocks of the composite material according to claim 3, it is characterised in that: the lower wall
It is provided on plate forming die (210) positioning column (150), the positioning column (150) is arranged in pairs at least two groups；The rigid template of band
The fixed ear (111) of outside soft mode (120) is installed on lower wall plate forming die (210) on outermost one group of positioning column (150),
And on the outside of the rigid template of band soft mode (120) notch direction towards lower wall plate forming die (210) outside；The inside soft mode
(130) fixed ear (111) is respectively arranged on remaining each group positioning column (150), and the flexible type of the inside soft mode (130)
The plate rigid template (110) with the rigid template (110) with soft mode (120) on the outside of rigid template or previous inside soft mode (130) respectively
It is adjacent.
5. the more beam box section co-curing forming frocks of the composite material according to claim 2, it is characterised in that: the lower wall
Plate forming die (210) includes lower covering template (214), the back side of the lower covering template (214) be provided with it is orthogonal under
Horizontal structure plate (213) and lower vertical structure plate (212)；Ventilation and heat is provided on the lower horizontal structure plate (213) and lower vertical structure plate (212)
Window；Lower lifting lug (211) are additionally provided on the lower horizontal structure plate (213)；The lower horizontal structure plate (213) and lower vertical structure plate (212)
Bottom be additionally provided with lower wall plate forming die backing plate (216).
6. the more beam box section co-curing forming frocks of the composite material according to claim 2, it is characterised in that: the upper wall
Plate forming die (230) includes upper covering template (235), and the back side of the upper covering template (235) is provided on orthogonal
Horizontal structure plate (234) and upper vertical structure plate (233)；Ventilation and heat is provided on the upper horizontal structure plate (234) and upper vertical structure plate (233)
Window；Lifting lug (232) are additionally provided on the upper horizontal structure plate (234)；The upper horizontal structure plate (234) and upper vertical structure plate (233)
Bottom be additionally provided with upper wall plate forming die backing plate (235).
7. the more beam box section co-curing forming frocks of the composite material according to claim 6, it is characterised in that: described vertical
Mutually symmetrical with upper wall plate forming die shaft (231) there are two being also set up on structure plate (233).
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| CN201710296953.0A CN106926479B (en) | 2017-04-28 | 2017-04-28 | A kind of more beam box section co-curing forming frocks of composite material |
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| CN108688195B (en) * | 2018-06-13 | 2024-04-09 | 绍兴宝旌复合材料有限公司 | Trapezoidal skeleton structure of carbon fiber composite material and forming method thereof |
| CN109435271B (en) * | 2018-09-20 | 2020-11-24 | 上海复合材料科技有限公司 | Forming method suitable for main bearing frame body of satellite laser radar frame |
| CN112092410B (en) * | 2020-07-31 | 2022-07-29 | 北京卫星制造厂有限公司 | Co-curing molding method for high-stability integrated support bearing high-precision camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963009A (en) * | 2012-12-11 | 2013-03-13 | 成都飞机工业（集团）有限责任公司 | Composite material multi-cavity structure piece manufacturing method |
| CN205929161U (en) * | 2016-08-02 | 2017-02-08 | 成都飞机工业（集团）有限责任公司 | Realize accurate fixed a position for soft mode of making of combined material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103264513B (en) * | 2013-05-30 | 2015-10-21 | 中国商用飞机有限责任公司 | The overall co-curing moulding technique of composite many beams box section |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963009A (en) * | 2012-12-11 | 2013-03-13 | 成都飞机工业（集团）有限责任公司 | Composite material multi-cavity structure piece manufacturing method |
| CN205929161U (en) * | 2016-08-02 | 2017-02-08 | 成都飞机工业（集团）有限责任公司 | Realize accurate fixed a position for soft mode of making of combined material |
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