CN106926479A - A kind of many beam box section co-curing forming frocks of composite - Google Patents
A kind of many beam box section co-curing forming frocks of composite Download PDFInfo
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- CN106926479A CN106926479A CN201710296953.0A CN201710296953A CN106926479A CN 106926479 A CN106926479 A CN 106926479A CN 201710296953 A CN201710296953 A CN 201710296953A CN 106926479 A CN106926479 A CN 106926479A
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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
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to composite autoclave forming process technical field, and in particular to a kind of many beam box section co-curing forming frocks of composite, including beam mould component and covering die component；Beam mould component includes at least three beam moulds being set up in parallel；Two adjacent beam moulds, it is rigidity to have one in adjacent side includes the template for clamping beam blank, and the template of clamping beam blank, and another is flexibility；Beam mould also includes what is be engaged with covering die component, the flexible template for clamping covering blank.The forming frock realizes a co-curing shaping, and can ensure Forming Quality.The beneficial effects of the invention are as follows：Upper wall plate forming die can be made to be accurately positioned with lower wall plate forming die, it is ensured that the height of the depth of parallelism and the box section of upper and lower wallboard forming mould.Beam slab part being accurately positioned in assembling and solidification process is ensure that, so as to ensure the thickness and axis degree of part.Process is simple, cycle is short, low cost has reached weight loss effect.
Description
Technical field
The invention belongs to composite autoclave forming process technical field, in particular it relates to a kind of many beams of composite
Box section co-curing forming frock.
Background technology
Autoclave (Hot Air Autoelave write a Chinese character in simplified form Atitoelave) be it is a kind of for polymer matrix composite into
The process equipment of type process characteristic, the method for moulding process is carried out autoclave molding method using this equipment.Autoclave molding
Method is the main method for manufacturing continuous lod same with thermosetting compound material product, is now widely used for advanced composite material knot
The shaping of structure, honeycomb sandwich construction and metal or adhesive bonding of composites structure.When material is molded, provided simultaneously using in autoclave
Uniform temperature and well-distributed pressure and solidify, complex-shaped so it is high with internal soundness to can obtain surface, huge compound of area
Material.
Autoclave molding method is one of widely used process both at home and abroad at present, be mainly used in large scale, profile compared with
The manufacture of complicated Aeronautics and Astronautics FRP components, such as Skin Parts, beam, frame, various wallboard parts, floor and radome fairing.Autoclave into
The general principle of type method is：Prepreg is laid on mould by laying requirement, and is put into autoclave after being sealed in vacuum bag
In, heated by autoclave equipment, pressurizeed, material solidification reaction is completed, prepreg blank is turned into required shape and is met 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 overall
The advantages such as shaping, therefore be widely used in aviation field, especially in terms of civil aircraft.Composites Molding Techniques are very
Many, prepreg-autoclave technique, in occupation of critical positions, there is co-curing with its excellent product quality, cementing altogether, secondary cementing
Etc. mode.
The composite torsion-box structural member at home and abroad employed in army's civil aircraft project generally uses following several sides at present
Formula is manufactured：
1st, by assembly connection into box section after composite material skin and beam part are separately fabricated；
2nd, RTM techniques；
3rd, rubber pneumatic bag moulding process.
In three of the above process, the 1st kind of method is using splicing frock, the covering and beam part positioning error of box section
Greatly, it is impossible to ensure the depth of parallelism of depth of beam and upper and lower covering, and the manufacturing cycle is long, cost is big.2nd kind of method and the 3rd kind of side
Method is overall co-curing shaping, although shortens the cycle, reduces cost, but cannot ensure the Forming Quality of part.2nd kind
Method is very high to Resin Flow requirement, may be only available for specific resin system, and the product resin gel content being molded compared with
It is high and unstable, it is impossible to for the load box section structure of aircraft.3rd kind of method uses rubber pneumatic bag expandable pressurized, due to air bag
In die cavity, cause the temperature homogeneity of whole product and mould poor, and there is ageing of rubber, swell increment dyscalculia etc. to ask
Topic, easily causes pressurization inequality, and so as to cause the problems such as position skew, flexural deformation, overall box section quality cannot be ensured.
The content of the invention
It is an object of the invention to：For the problem of the Forming Quality difference of prior art, there is provided a kind of many beams of composite
Box section co-curing forming frock；The forming frock realizes many beam box sections on the basis of existing multiple solidification reassembles technique
Co-curing shaping, and Forming Quality can be ensured.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of many beam box section co-curing forming frocks of composite, including beam mould component and covering die component；
The beam mould component includes at least three beam moulds being set up in parallel；Two adjacent beam moulds, adjacent one
Side has one for rigidly, another is in including the template for clamping beam blank, and the template of the clamping beam blank
It is flexible；The beam mould also includes what is be engaged with covering die component, the flexible template for clamping covering blank.
Beam mould of the invention is to use the soft mode being made in the way of flexible template is combined by rigid template, beam blank
To be side be rigid template for both sides, opposite side is flexible template.Traditional handicraft is lacked using the engineering method of flexible rubber template
Point is shaping position deviation, shaping distortion, and this kind of to set the setting that flexible template is compared to traditional both sides, advantage is
Rigid template plays the effect of dimension shape positioning, and flexible template plays autoclave extrusion forming effect, and both are combined can reach
To unexpected effect.Finally by beam mould component and covering die assembling components, the side for making covering blank is covering mould
The rigid template of tool, opposite side is the flexible template of beam mould, finally enters the later processing operation of autoclave molding, you can
To the excellent many beam boxes section part of Forming Quality.
It is preferred that, the covering die component includes lower wall plate forming die and upper wall plate forming die, and both pass through
Support member is connected；The beam mould component is arranged between lower wall plate forming die and upper wall plate forming die, with covering die component
It is collectively forming the space for placing blank.
Support member makes the distance between upper wall plate forming die and upper wall plate forming die fixed, and inside sets beam mould component,
The locus of formation is fixed, and will not occur to cause the problem of Forming Quality because of the displacement of mould.
Further, the beam mould component includes one with soft mode, at least one inner side soft mode and on the outside of firm template
It is individual without soft mode on the outside of firm template；Soft mode and U-type groove body is on the outside of the firm template of band without soft mode on the outside of firm template；It is described
Inner side soft mode is a cylinder.Inner side beam mould is tubular, and the U-type groove body that both sides are set up in parallel, the shaping for foring beam blank is empty
Between.
Further, soft mode and inner side soft mode connect flexible template system by a firm template both sides on the outside of the firm template of the band
Into, and the two ends of the firm template are provided with fixed ear.The fixed ear at rigid template two ends is played beam mould component positioning
Fixed effect.
Further, locating dowel is provided with the lower wall plate forming die, the locating dowel is arranged in pairs at least two groups；
The fixed ear of soft mode is installed on lower wall plate forming die in outermost one group of locating dowel on the outside of the firm template of band,
And on the outside of the firm template of band soft mode notch direction towards the outside of lower wall plate forming die；
The fixed ear of the inner side soft mode is respectively arranged in remaining each group locating dowel, and the inner side soft mode flexible type
Plate is adjacent with the firm template of soft mode on the outside of the firm template of band or the firm template of previous inner side soft mode respectively.
By pre-aligned accurate locating dowel on covering die, by the both sides of the beam blank clamped by beam mould, there is one
Side is rigid template, and opposite side is flexible template.
It is preferred that, the lower wall plate forming die includes lower covering template, and the back side of the lower covering template is set
There are orthogonal lower horizontal structure plate and lower vertical structure plate；Ventilation and heat window is provided with the lower horizontal structure plate and lower vertical structure plate；
Lower hanger is additionally provided with 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, and the back side of the upper covering template is set
There are orthogonal horizontal structure plate and upper vertical structure plate；Ventilation and heat window is provided with the upper horizontal structure plate and upper vertical structure plate；
Hanger is additionally provided with 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 a part of supporting and shaping, prevents covering template from deforming upon, and causes part quality deviation.Due to hot pressing
The uniformity of Temperature Distribution is an important indicator in moulding process in tank, therefore, ventilation and heat window serves average temperature
The effect of degree.By the aviation part small product size for generally being produced is larger, thus hanger coordinate hanging device, beneficial to carry and
Assembling.The effect of backing plate is convenient placement, it is to avoid external force contact squeeze collides die ontology, causes deformation.
Further, two mutually symmetrical with upper wall plate forming die rotating shafts are additionally provided with the upper vertical structure plate.Rotating shaft side
Just lifting when turning operation.
Using said modules, beam blank and covering blank one co-curing can be molded.Additionally, the present invention is existing
Autoclave molding technology on the basis of improvement, the side of beam blank is set into rigid template, play a part of dimension shape support；
Opposite side sets flexible template, and flexible template outside sets vacuum bag, to enter in autoclave, can be by flexible template picture
Beam blank applies pressure；By above-mentioned flexible with reference to rigid setting, the Forming Quality of part can be ensured.
It is pointed out that the firm template made in soft mode and inner side soft mode on the outside of the above-mentioned firm template of band should not be construed
Same firm template, that is, should not be construed the parameters such as shape, the size of the firm template must be completely the same, specific root
The parameter of the beam being molded according to firm template determines.Specifically, indulge and look up, beam potentially includes song with the contact line of covering
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 demand of production different shape part.
In sum, by adopting the above-described technical solution, the present invention is relative to the beneficial effect of prior art：
1st, the present invention realizes the co-curing shaping of composite many beam boxes section, and can make upper wall plate forming die with
Lower wall plate forming die is accurately positioned, it is ensured that the height of the depth of parallelism and the box section of upper and lower wallboard forming mould.
2nd, the present invention ensure that beam slab part being accurately positioned in assembling and solidification process, so as to ensure the thickness of part
Degree and axis degree.
3rd, present invention process is simple to operate, and repeatability is strong, shortens the manufacturing cycle, reduces manufacturing cost, reaches
Weight loss effect.
Brief description of the drawings
Fig. 1 is firm template schematic diagram.
Fig. 2 is outside soft mould frock schematic diagram.
Fig. 3 is soft mode sectional drawing on the outside of the soft mould firm template of frock making band of outside.
Fig. 4 is with soft mode schematic diagram on the outside of firm template.
Fig. 5 is inner side soft mould frock schematic diagram one.
Fig. 6 is inner side soft mould frock schematic diagram two.
Fig. 7 is inner side soft mould frock making inner side soft mode sectional drawing.
Fig. 8 is inner side soft mode schematic diagram.
Fig. 9 is outside soft mould frock making without soft mode sectional drawing on the outside of firm template.
Figure 10 is without soft mode schematic diagram on the outside of firm 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 support member 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 A portions enlarged drawing.
Filling region a in accompanying drawing 23 represents rib blank, and b represents covering blank.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of many beam box section co-curing forming frocks of composite, 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 up in parallel；Two adjacent beam forms
Tool, it is firm to have one in adjacent side includes the template for clamping beam blank, and the template of the clamping beam blank
Property, another is flexibility；The beam mould also includes what is be engaged with covering die component, the flexibility for clamping 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, both
Connected by support member 220；The beam mould component is arranged between lower wall plate forming die 210 and upper wall plate forming die 230, with
Covering die component is collectively forming the space for placing blank.
As shown in figure 15, the beam mould component includes one with soft mode 120, at least one inner side soft mode on the outside of firm template
130 and one without soft mode 140 on the outside of firm template；Soft mode 120 and without soft mode 140 on the outside of firm template on the outside of the firm template of band
It is U-type groove body；The inner side soft mode 130 is a cylinder.
As shown in Fig. 4,8, soft mode 120 and inner side soft mode 130 connect by the both sides of a firm template 110 on the outside of the firm template of band
Flexible template is connect to be made, and the two ends of the firm template 110 are provided with fixed ear 111.
As shown in Figure 18,19, locating dowel 150 is provided with the lower wall plate forming die 210, the locating dowel 150 is paired
Set at least two groups；
The fixed ear 111 of soft mode 120 is installed on outermost one group on lower wall plate forming die 210 on the outside of the firm template of band
In locating dowel 150, and on the outside of the firm 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 inner side soft mode 130 is respectively arranged in remaining each group locating dowel 150, and the inner side is soft
The flexible template of mould 130 respectively with the firm template of band on the outside of soft mode 120 firm template 110 or the firm type of previous inner side soft mode 130
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 body 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 with the lower horizontal structure plate 213 and lower vertical structure plate 212
It is equipped with ventilation and heat window；Lower hanger 211 is additionally provided with 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 body 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 with the upper horizontal structure plate 234 and upper vertical structure plate 233
It is equipped with ventilation and heat window；Hanger 232 is additionally provided with 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.Be additionally provided with the upper vertical structure plate 233 two it is mutually symmetrical with
Upper wall plate forming die rotating shaft 231.
Each forming frock described in detail below and auxiliary mould：
Beam mould component, including at least three beam moulds being set up in parallel are used in many beam box section co-curing shapings of composite；
Two adjacent beam moulds, the template for clamping beam blank is included in adjacent side, and the clamping beam blank type
It is rigidity to have one in plate, and another is flexibility.
Specifically, as shown in figure 4, the beam mould component is included with soft mode 120 on the outside of firm template, outside the firm template of band
Side soft mode 120 is a U-type groove body.
As shown in figure 8, the beam mould component includes inner side soft mode 130, the inner side soft mode 130 is a cylinder.
As shown in figure 8, being provided with unfilled corner structure on the cylinder of the inner side soft mode 130.
Soft mode 120 and inner side soft mode 130 connect flexible template system by the both sides of a firm template 100 on the outside of the firm template of band
Into.Specifically, as shown in figure 3, the flexible template of soft mode 120 is by rubber on the outside of soft mode on the outside of the firm template of band on the outside of the firm template of the band
Glue 121 and with soft mode inner rubber 122 on the outside of firm template, soft mode prepreg 123 is constituted on the outside of the firm template of centre entrainment；Such as Fig. 7
Shown, the flexible template of the inner side soft mode 130 is middle by inner side soft mode outer rubber 131 and inner side soft mode inner rubber 132
Soft mode prepreg 133 is constituted on the inside of folder.
As shown in Fig. 3,7, the both sides of the firm template 110 are inclined-plane, and the inclined-plane is towards the inner side of firm template 110
Face.
As shown in figure 1, the two ends of the firm template 110 are provided with fixed ear 111；The medial surface of the firm template 110
It is additionally provided with reinforcement 112.
The beam mould component includes that without soft mode 140 on the outside of firm template described is one without soft mode 140 on the outside of firm template
U-type groove body.
It is described to be made up of flexible template without soft mode 140 on the outside of firm template, as shown in figure 9, described without firm template outside
The flexible template of soft mode 140 is by without soft mode outer rubber 142 on the outside of firm template and without soft mode inner rubber on the outside of firm template
141, centre folder is constituted without soft mode prepreg 143 on the outside of firm template.
Above-mentioned prepreg uses Fabric prereg laying layer 2-3.
The many beam box section co-curing shaping beam mould assembly forming frocks of composite, including outside soft mould frock
400 and inner side soft mould frock 500, as shown in Fig. 2 the outside soft mould frock 400 is a U-type groove body；Such as Fig. 5 institutes
Show, the inner side soft mould frock 500 is a cylinder combined by two U-type groove bodies.
As shown in Fig. 2 the two ends of the outside soft mould frock 400 are provided with outside soft mode limited block 410.
As shown in fig. 6, the inner side soft mould frock 500 includes inner side soft mould frock upper die body 520 and inner side
Soft mould frock lower mold body 530, the inner side soft mould frock upper die body 520 and inner side soft mould frock lower mold body
530 are U-type groove body, and both are combined into a cylinder by being arranged on the locating piece 540 of side.
As shown in figure 5, the inner side soft mould frock upper die body 520 and inner side soft mould frock lower mold body 530
Two ends are respectively arranged with inner side soft mode limited block 510.
As shown in figure 5, the top of the inner side soft mould frock upper die body 520 is provided with inner side soft mode lifting plate 521
With inner side soft mode rotating shaft 522.
As shown in figure 5, the two ends of the inner side soft mould frock upper die body 520 are additionally provided with firm template fixes ear 523.
The many beam box section co-curing shaping beam mould component locating supports of composite, as shown in figure 12, including two groups of phases
To the locating support 300 for setting, at least two groups positions are respectively arranged with the locating support 300 and are relatively fixed plate 330.
As shown in figure 12, location-plate is provided with the locating support 300, dowel hole is provided with the location-plate.
The locating support 300 is made up of the crossbeam 310 and vertical beam 320 for interfixing, and the fixed plate 330 is arranged on the vertical beam
On 320.The crossbeam 310 is orthogonal with the vertical beam 320.The vertical beam 320 is provided with least two.The locating support
Height of 300 height less than beam mould component.
The many beam box section co-curing moulding process of composite are introduced below, so that those skilled in the art can be real
Apply the present invention.A kind of many beam box section co-curing moulding process of composite, comprise the following steps：
The making step of A, beam mould component；
The making step of B, beam blank；
The number of assembling steps of C, beam mould component and beam blank；
The making step of D, covering die component and covering blank；
The number of assembling steps of E, beam mould component and beam blank and covering die component and covering blank.
Auxiliary mould and process that each step of A, B, C, D, E described in detail below is used：
A, the making step of the beam mould component include：
The making step of A1, the outside beam form with rigid template：
A1.1, as shown in figure 1, make a firm template 110, the firm template 110 is identical with the profile of its preforming beam,
Its relative two ends is respectively arranged with fixed ear 111；Just the profile of template 110, size and hole position parameter are special by beam part physics
Property determine；
A1.2, as shown in Fig. 2 making an outside soft mould frock 400, the outside soft mould frock 400 is a U
Type groove body, its bottom land is identical with the profile of the firm template 110；
A1.3, as shown in figure 3, the firm template 110 to be placed on the bottom land of the outside soft mould frock 400, and
The laying rubber folder prepreg flexibility template on the cell wall of the outside soft mould frock 400, and the flexible template and institute
The both sides for stating firm template 110 connect respectively；
A1.4, as shown in figure 4, will be solidified together with firm template 110 and rubber folder prepreg flexibility template, again at the demoulding
Reason, obtains with soft mode 120 on the outside of firm template；Type face precision and quality with soft mode 120 on the outside of firm template and part checking and accepting technology
Condition is identical；This soft mode is molded for lateral face；
The making step of A2, inner side beam form：
A2.1, as shown in figure 1, make a firm template 110, the firm template 110 is identical with the profile of its preforming beam,
The relative two ends of the firm template 110 are respectively arranged with fixed ear 111；Just the profile of template 110, size and hole position parameter are by beam
Part physical characteristic is determined；
A2.2, as shown in Figure 5,6, makes an inner side soft mould frock 500, and the inner side soft mould frock 500 is
One cylinder combined by two U-type groove bodies, the bottom land of one of U-type groove body is identical with the profile of the firm template 110；
A2.3, as shown in fig. 7, by the firm template 110 be placed on its profile identical bottom land, it is and soft in the inner side
Laying rubber folder prepreg flexibility template on remaining inner tube wall of mold forming frock 500, and the flexible template and the firm type
The both sides of plate 110 connect respectively；
A2.4, as shown in figure 8, will be solidified together with firm template 110 and rubber folder prepreg flexibility template, again at the demoulding
Reason, obtains inner side soft mode 130；The type face precision and quality of inner side soft mode 130 are identical with part inspection specifications, as needed
Make respective numbers；This soft mode is molded for osculant face；
A3, without rigid template outside beam form making step：
A3.1, as shown in Fig. 2 making an outside soft mould frock 400, the outside soft mould frock 400 is a U
Type groove body, its bottom land is identical with the profile of its preforming beam；
A3.2, as shown in figure 9, on the bottom land and cell wall of the outside soft mould frock 400 laying rubber folder preimpregnation
The flexible template of material；
A3.3, as shown in Figure 10, by rubber folder prepreg flexibility template solidified, again the demoulding treatment, obtain without firm
Soft mode 140 on the outside of template；This soft mode is molded for outermost type face.
Wherein, step A1, A2, A3 can be parallel, have no sequencing limitation, and parallel work-flow can improve operating efficiency.Note
The soft mode that will be made is protected with isolated material.
B, the making step of the beam blank include：
B1, as shown in figure 11, making rib laying mould 700, the rib laying mould 700 includes one and beam profile identical
Outer surface；
B2, the side laying prepreg in the outer surface of rib laying mould 700 and outer surface, then prepreg is removed, obtain
To the rib of a U-type groove shape；
B3, repeat aforesaid operations, make at least four ribs.
The number of assembling steps of C, the beam mould component and beam blank includes：
C1, as shown in figure 12, one beam mould component locating support of making, the beam mould component locating support is including two groups
The locating support 300 being oppositely arranged, is respectively arranged with least two groups positions and is relatively fixed plate 330 on the locating support 300；
C2, as shown in figure 13, the fixed ear 111 of soft mode 120 on the outside of the firm template of band is installed on the locating support 300
In outermost one group of fixed plate 330, and on the outside of the firm template of the band soft mode 120 notch towards the outside of locating support 300；
C3, as shown in figure 14, on the outside of the firm template of band soft mode 120 outside place rib, and the rib notch court
To the side of soft mode 120 on the outside of the firm template of band；Oppositely positioned another rib again；
C4, as shown in figure 14, the fixed ear 111 of inner side soft mode 130 is installed in next group of fixed plate 330, and described
The flexible template side of inner side soft mode 130 is adjacent with soft mode 120 on the outside of firm template；
C5, as shown in figure 15, places rib on inner side soft mode 130, and the rib notch towards inner side soft mode 130
Side；Oppositely positioned another rib again；
C6, place on rib described without soft mode 140 on the outside of firm template and described without soft mode 140 on the outside of firm template
Notch towards the outside of locating support 300.
The making step of D, the covering die component and covering blank includes：
D1, as shown in figure 16, making 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, making 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.
The number of assembling steps of E, the beam mould component and beam blank and covering die component and covering blank includes：
E1, as shown in figure 18, installation locating dowel 150, the positioning on the lower wall plate forming die 210 of covering blank of mating formation
The top of post 150 is provided with the mounting hole for fixing the fixed ear 111, and locating dowel 150 is arranged in pairs at least two groups；
E2, as shown in figure 19, the fixed ear 111 of soft mode 120 and inner side soft mode 130 on the outside of the firm template of the band is pacified respectively
Loaded in locating dowel 150, then unload locating support 300；
E3, as shown in figure 20, the installation support member 220 on the lower wall plate forming die 210；
E4, as shown in figure 21, the upper wall plate forming die 230 of covering blank of mating formation is installed on the another of the support member 220
One end.
Finally, will be arranged on the outermost of beam mould component without soft mode 140 on the outside of firm template, that is, with firm template outside
The opposite side of side soft mode 120；Vacuum system is encapsulated and checked again, and vacuum must be reached below -0.88Bar, vacuum in 5 minutes
Leakage must not exceed 0.17Bar.Curing process is carried out into autoclave immediately, after the solidification is complete disassembling fixture, you can from work
Load onto and remove part, realize the demoulding.
As shown in figure 22, beam mould component collectively forms blank and fills out with lower wall plate forming die 210 and upper wall plate forming die 230
Fill the position in region, as final beam blank and covering blank.As shown in figure 23, it is A portions enlarged diagram in Figure 22, a is to cut
Face is in the rib of C fonts, and mutually privately combination is in an I-shaped beam blank, beam blank and covering blank b companies for two rib openings
Connect, realize overall co-curing shaping.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of composite many beam boxes section co-curing forming frocks, 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 up in parallel；Two adjacent beam moulds, it is equal in adjacent side
Include in the template for clamping beam blank, and the template of the clamping beam blank that to have one be rigidity, another is flexibility；
The beam mould also includes what is be engaged with covering die component, the flexible template for clamping covering blank.
2. composite according to claim 1 many beam boxes section co-curing forming frocks, it is characterised in that：The covering mould
Tool component includes lower wall plate forming die (210) and upper wall plate forming die (230), and both are connected by support member (220)；The beam
Die assembly is arranged between lower wall plate forming die (210) and upper wall plate forming die (230), is collectively forming with covering die component
Space for placing blank.
3. composite according to claim 2 many beam boxes section co-curing forming frocks, it is characterised in that：The beam mould
Component include one with soft mode (120), at least one inner side soft mode (130) and one on the outside of firm template without soft on the outside of firm template
Mould (140)；Soft mode (120) and U-type groove body is on the outside of the firm template of band without soft mode (140) on the outside of firm template；In described
Side soft mode (130) is a cylinder.
4. composite according to claim 3 many beam boxes section co-curing forming frocks, it is characterised in that：The firm type of band
Soft mode (120) and inner side soft mode (130) are made by a firm flexible template of template (110) both sides connection on the outside of plate, and described firm
The two ends of template (110) are provided with fixed ear (111).
5. composite according to claim 4 many beam boxes section co-curing forming frocks, it is characterised in that：The lower wall panels
Locating dowel (150) is provided with shaping mould (210), the locating dowel (150) is arranged in pairs at least two groups；
The fixed ear (111) of soft mode (120) is installed on outermost one on lower wall plate forming die (210) on the outside of the firm template of band
In group locating dowel (150), and on the outside of the firm template of the band soft mode (120) notch direction towards lower wall plate forming die (210)
Outside；
The fixed ear (111) of the inner side soft mode (130) is respectively arranged on remaining each group locating dowel (150), and the inner side
The flexible template of soft mode (130) respectively with the firm template of band on the outside of soft mode (120) firm template (110) or previous inner side soft mode
(130) firm template (110) is adjacent.
6. composite according to claim 2 many beam boxes section co-curing forming frocks, it is characterised in that：The lower wall panels
Shaping mould (210) includes lower covering template (214), and the back side of the lower covering template (214) is provided with orthogonal lower horizontal stroke
Structure plate (213) and lower vertical structure plate (212)；Ventilation and heat window is provided with the lower horizontal structure plate (213) and lower vertical structure plate (212)
Mouthful；Lower hanger (211) is additionally provided with 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).
7. composite according to claim 2 many beam boxes section co-curing forming frocks, it is characterised in that：The wainscot
Shaping mould (230) includes upper covering template (235), and the back side of the upper covering template (235) is provided with orthogonal upper horizontal stroke
Structure plate (234) and upper vertical structure plate (233)；Ventilation and heat window is provided with the upper horizontal structure plate (234) and upper vertical structure plate (233)
Mouthful；Hanger (232) is additionally provided with 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).
8. composite according to claim 7 many beam boxes section co-curing forming frocks, it is characterised in that：The upper vertical structure
Two mutually symmetrical with upper wall plate forming dies rotating shaft (231) are additionally provided with plate (233).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688195A (en) * | 2018-06-13 | 2018-10-23 | 精功（绍兴）复合材料有限公司 | Carbon fiber composite material trapezoidal framework structure and forming method thereof |
| CN109435271A (en) * | 2018-09-20 | 2019-03-08 | 上海复合材料科技有限公司 | Forming method suitable for laser satellite radar frame primary load bearing framework |
| CN112092410A (en) * | 2020-07-31 | 2020-12-18 | 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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| 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 |
| CN103264513A (en) * | 2013-05-30 | 2013-08-28 | 中国商用飞机有限责任公司 | Integrated co-curing forming technology method for composite material multi-beam box section |
| 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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| 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 |
| CN103264513A (en) * | 2013-05-30 | 2013-08-28 | 中国商用飞机有限责任公司 | Integrated co-curing forming technology method for composite material multi-beam box section |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688195A (en) * | 2018-06-13 | 2018-10-23 | 精功（绍兴）复合材料有限公司 | Carbon fiber composite material trapezoidal framework structure and forming method thereof |
| 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 |
| CN109435271A (en) * | 2018-09-20 | 2019-03-08 | 上海复合材料科技有限公司 | Forming method suitable for laser satellite radar frame primary load bearing framework |
| 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 |
| CN112092410A (en) * | 2020-07-31 | 2020-12-18 | 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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| CN106926479B (en) | 2019-07-16 |
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