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CN107150420A - A kind of composite many beam box section co-curing shaping beam mould assembly forming frock and manufacture crafts - Google Patents

A kind of composite many beam box section co-curing shaping beam mould assembly forming frock and manufacture crafts Download PDF

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Publication number
CN107150420A
CN107150420A CN201710297681.6A CN201710297681A CN107150420A CN 107150420 A CN107150420 A CN 107150420A CN 201710297681 A CN201710297681 A CN 201710297681A CN 107150420 A CN107150420 A CN 107150420A
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China
Prior art keywords
template
frock
outside
mould
firm
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Granted
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CN201710297681.6A
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Chinese (zh)
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CN107150420B (en
Inventor
张永亮
李书军
陈剑
杨自燕
石小平
雍坤
赵鹏飞
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Chengdu Union Aviation Technology Co Ltd
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Chengdu Union Aviation Technology Co Ltd
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Priority to CN201710297681.6A priority Critical patent/CN107150420B/en
Publication of CN107150420A publication Critical patent/CN107150420A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842Manufacturing moulds, e.g. shaping the mould surface by machining

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulding By Coating Moulds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention belongs to composite autoclave forming process technical field, specifically related to a kind of many beam box section co-curing shaping beam mould assembly forming frocks of composite, including outside soft mould frock and inner side soft mould frock, the outside soft mould frock is a U-type groove body;The inner side soft mould frock is a cylinder combined by two U-type groove bodies.Beam mould component made by the forming frock and manufacture craft can realize a co-curing shaping, and can ensure Forming Quality.The present invention is relative to the beneficial effect of prior art:Made beam mould component realizes the co-curing shaping of many beam box sections of composite, 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.Present invention process is simple to operate, and repeatability is strong, shortens the manufacturing cycle, reduces manufacturing cost, has reached weight loss effect.

Description

A kind of many beam box section co-curings shapings of composite with beam mould assembly forming frocks and Manufacture craft
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 shaping beam mould assembly forming frock, and the technique for making beam mould component using the 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, offer simultaneously in autoclave is utilized Uniform temperature and well-distributed pressure and solidify, complex-shaped so it is high to can obtain surface and internal soundness, 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 be 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 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, after composite material skin and beam part are separately fabricated by assembly connection into box section;
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 depth of beam and the up and down depth of parallelism of 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 can not ensure the Forming Quality of part.2nd kind Method requires very high to Resin Flow, 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 be used in 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, 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 prior art Forming Quality it is poor the problem of there is provided a kind of many beams of composite Box section co-curing shaping beam mould assembly forming frock and manufacture craft;The forming frock and manufacture craft are existing multiple Solidification is reassembled on the basis of technique, and made beam mould component can realize many co-curing shapings of beam box section, and energy Enough ensure Forming Quality.
To achieve these goals, the technical solution adopted by the present invention is:
A kind of many beam box section co-curing shaping beam mould assembly forming frocks of composite, including outside soft mould work Dress and inner side soft mould frock, the outside soft mould frock are a U-type groove body;The inner side soft mould frock is one The cylinder combined by two U-type groove bodies.
Due to the combination that beam mould component is rigid template and flexible template, and flexible template is then needed by forming frock Could be molded, and with rigid template adhesive bond;It then becomes necessary to complete the system of beam mould component by above-mentioned forming frock Make.
Preferably, the outside soft mould frock be provided at both ends with outside soft mode limited block.For by just Property plate is limited in correct position, precise manipulation.
Preferably, the inner side soft mould frock includes inner side soft mould frock upper die body and inner side soft mode Forming frock lower mold body, the inner side soft mould frock upper die body and inner side soft mould frock lower mold body are U-type groove body, Both are combined into a cylinder by being arranged on the locating piece of side.Split type setting facilitates the behaviour of prepreg in the flexible template of laying Make.
Further, the two ends difference of the inner side soft mould frock upper die body and inner side soft mould frock lower mold body It is provided with inner side soft mode limited block.For rigid plate to be limited in into correct position, precise manipulation.
Further, the top of the inner side soft mould frock upper die body is provided with inner side soft mode lifting plate and inner side is soft Mould rotating shaft.Lifting plate is used to lift, and rotating shaft is used to overturn.
Further, the two ends of the inner side soft mould frock upper die body are additionally provided with firm template and fix ear.Fixed ear For fixing firm template.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of the outside beam form with rigid template:
A1.1, one firm template of making, the firm template are identical with the profile of its preforming beam;
A1.2, an outside soft mould frock is taken, its bottom land is identical with the profile of the firm template;
A1.3, the bottom land that the firm template is placed on to the outside soft mould frock, and the outside soft mode into Laying rubber presss from both sides the flexible template of prepreg on the cell wall of type frock, and the both sides of the flexible template and the firm template connect respectively Connect;
A1.4, firm template and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtain with firm type Soft mode on the outside of plate.
In the curing process, due to being heated, rubber surface slightly softens, on the side that can be bonded to firm template, Jin Erda To integrally formed purpose.In addition, prepreg also solidifies, a rigid template and flexible template phase are together form with firm template With reference to soft mode.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of inner side beam form:
A2.1, one firm template of making, the firm template are identical with the profile of its preforming beam;
A2.2, take an inner side soft mould frock, the profile phase of the bottom land of one of U-type groove body and the firm template Together;
A2.3, by the firm template be placed on its profile identical bottom land, and in the inner side soft mould frock Laying rubber presss from both sides the flexible template of prepreg on remaining inner tube wall, and the both sides of the flexible template and the firm template connect respectively Connect;
A2.4, firm template and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtain on the inside of it is soft Mould.
In the curing process, due to being heated, rubber surface slightly softens, on the side that can be bonded to firm template, Jin Erda To integrally formed purpose.In addition, prepreg also solidifies, a rigid template and flexible template phase are together form with firm template With reference to soft mode.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of the outside beam form without rigid template:
A3.1, an outside soft mould frock is taken, its bottom land is identical with the profile of its preforming beam;
A3.2, the flexible template of laying rubber folder prepreg on the bottom land and cell wall of the outside soft mould frock;
A3.3, rubber is pressed from both sides into the flexible template of prepreg solidified, be stripped processing again, obtained without soft on the outside of firm template Mould.
Prepreg after hardening, forms the buffing of all flexible material.
In summary, by adopting the above-described technical solution, the present invention is relative to the beneficial effect of prior art:
1st, the beam mould component made by the present invention realizes the co-curing shaping of many beam box sections of composite, can Ensure beam slab part being accurately positioned in assembling and solidification process, so as to ensure the thickness and axis degree of part.
2nd, 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 firm template of soft mould 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 soft mode sectional drawing on the inside of the soft mould frock making of inner side.
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.
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 to explain the present invention, not For limiting the present invention.
Embodiment 1
A kind of many beam box section co-curing shaping beam mould assembly forming frocks of composite, including outside soft mould work 400 and inner side soft mould frock 500 are filled, as shown in Fig. 2 the outside soft mould frock 400 is a U-type groove body;Such as Fig. 5 Shown, the inner side soft mould frock 500 is a cylinder combined by two U-type groove bodies.
As shown in Fig. 2 the outside soft mould frock 400 is provided at both ends 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 be 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, which are additionally provided with firm template, fixes ear 523.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of the outside beam form with rigid template:
A1.1, one firm template 110 of making, the firm template 110 are identical with the profile of its preforming beam;
A1.2, an outside soft mould frock 400 is taken, its bottom land is identical with the profile of the firm template 110;
A1.3, the bottom land that the firm template 110 is placed on to the outside soft mould frock 400, and in the outside The flexible template of laying rubber folder prepreg on the cell wall of soft mould frock 400, and the flexible template and the firm template 110 Both sides connect respectively;
A1.4, firm template 110 and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtain band Soft mode 120 on the outside of firm template.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of inner side beam form:
A2.1, one firm template 110 of making, the firm template 110 are identical with the profile of its preforming beam;
A2.2, the wheel for taking an inner side soft mould frock 500, the bottom land of one of U-type groove body and the firm template 110 It is wide identical;
A2.3, by the firm template 110 be placed on its profile identical bottom land, and in the inner side soft mould frock The flexible template of laying rubber folder prepreg on 500 remaining inner tube wall, and the both sides of the flexible template and the firm template 110 Connect respectively;
A2.4, firm template 110 and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtain interior Side soft mode 130.
Utilize the beam mould component of the above-mentioned many beam box section co-curing shaping beam mould assembly forming frocks of composite Manufacture craft, includes the making step of the outside beam form without rigid template:
A3.1, an outside soft mould frock 400 is taken, its bottom land is identical with the profile of its preforming beam;
A3.2, the flexible template of laying rubber folder prepreg on the bottom land and cell wall of the outside soft mould frock 400;
A3.3, rubber is pressed from both sides into the flexible template of prepreg solidified, be stripped processing again, obtained without soft mode on the outside of firm template 140。
Each forming frock and auxiliary mould are introduced below:
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, and the type of the clamping beam blank are included in adjacent side 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 firm both sides of 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 rubber on the outside of soft mode on the outside of with firm template 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 Folder inner side soft mode prepreg 133 is constituted.
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 is included without soft mode 140 on the outside of firm template, and described is one without soft mode 140 on the outside of firm template U-type groove body.
It is described to be made up without soft mode 140 on the outside of firm template of flexible template, as shown in figure 9, described without on the outside of firm template The flexible template of soft mode 140 soft mode outer rubber 142 and without soft mode inner rubber on the outside of firm template on the outside of without 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 component locating supports of composite, as shown in figure 12, including two groups of phases To the locating support 300 of 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, it is provided with the locating support 300 on location-plate, the location-plate and is provided with dowel hole. The locating support 300 is made up of the crossbeam 310 and vertical beam 320 interfixed, and the fixed plate 330 is arranged on the vertical beam On 320.The crossbeam 310 and the vertical beam 320 are orthogonal.The vertical beam 320 is provided with least two.The locating support 300 height is less than the height of beam mould component.
Composite many beam boxes section co-curing moulding process is 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:
A, beam mould component making step;
B, beam blank making step;
C, beam mould component and beam blank number of assembling steps;
D, covering die component and covering blank making step;
E, beam mould component and beam blank and covering die component and covering blank number of assembling steps.
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:
A1, the outside beam form with rigid template making step:
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;Profile, size and the hole position parameter of firm template 110 are special by beam part physics Property determine;
A1.2, as shown in Fig. 2 make an outside soft mould frock 400, the outside soft mould frock 400 be 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 to the bottom land of the outside soft mould frock 400, and The flexible template of laying rubber folder prepreg 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 are connected respectively;
A1.4, as shown in figure 4, by firm template 110 and rubber press from both sides the flexible template of prepreg together with solidified, be stripped place again Reason, is obtained 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;
A2, inner side beam form making step:
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;Profile, size and the hole position parameter of firm template 110 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 The flexible template of laying rubber folder prepreg on remaining inner tube wall of mold forming frock 500, and the flexible template and the firm type The both sides of plate 110 are connected respectively;
A2.4, as shown in figure 8, by firm template 110 and rubber press from both sides the flexible template of prepreg together with solidified, be stripped place again 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 make an outside soft mould frock 400, the outside soft mould frock 400 be 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, presss from both sides the flexible template of prepreg by rubber and is solidified, is stripped processing again, 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, has no sequencing limitation, and parallel work-flow can improve operating efficiency.Note The soft mode 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.
C, the beam mould component and beam blank number of assembling steps include:
C1, as shown in figure 12, one beam mould component locating support of making, the beam mould component locating support is including two groups At least two groups positions are respectively arranged with the locating support 300 being oppositely arranged, the locating support 300 to be relatively fixed plate 330;
C2, as shown in figure 13, the fixation ear 111 with soft mode 120 on the outside of firm template 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, the outside placement rib of soft mode 120 on the outside of with firm template, and the notch court of the rib The side of soft mode 120 on the outside of with firm template;Oppositely positioned another rib again;
C4, as shown in figure 14, the fixation 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.
D, the covering die component and covering blank making step include:
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.
E, the beam mould component and beam blank and covering die component and covering blank number of assembling steps include:
E1, as shown in figure 18, installation locating dowel 150, the positioning on the lower wall plate forming die 210 for 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 fixation 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 for 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;Encapsulate again and check vacuum system, vacuum must be reached below -0.88Bar, 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, you can from work Load onto and remove part, realize the 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 filled out Fill region, the position of 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 to two rib openings, and beam blank connects with covering blank b Connect, realize overall co-curing shaping.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (9)

1. a kind of many beam box section co-curing shaping beam mould assembly forming frocks of composite, it is characterised in that:Including outside Soft mould frock (400) and inner side soft mould frock (500), the outside soft mould frock (400) are a U-type groove Body;The inner side soft mould frock (500) is a cylinder combined by two U-type groove bodies.
2. many beam box section co-curing shaping beam mould assembly forming frocks of composite according to claim 1, it is special Levy and be:The outside soft mould frock (400) be provided at both ends with outside soft mode limited block (410).
3. many beam box section co-curing shaping beam mould assembly forming frocks of composite according to claim 1, it is special Levy and be: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) It is U-type groove body, both are combined into a cylinder by being arranged on the locating piece (540) of side.
4. many beam box section co-curing shaping beam mould assembly forming frocks of composite according to claim 3, it is special Levy and be:The two ends difference of the inner side soft mould frock upper die body (520) and inner side soft mould frock lower mold body (530) It is provided with inner side soft mode limited block (510).
5. many beam box section co-curing shaping beam mould assembly forming frocks of composite according to claim 4, it is special Levy and be:The top of the inner side soft mould frock upper die body (520) is provided with inner side soft mode lifting plate (521) and inner side is soft Mould rotating shaft (522).
6. many beam box section co-curing shaping beam mould assembly forming frocks of composite according to claim 5, it is special Levy and be:The two ends of the inner side soft mould frock upper die body (520) are additionally provided with firm template and fix ear (523).
7. utilize the beam form of many beam box section co-curing shaping beam mould assembly forming frocks of composite described in claim 2 Has establishment of component technique, it is characterised in that include the making step of the outside beam form with rigid template:
A1.1, one firm template (110) of making, the firm template (110) are identical with the profile of its preforming beam;
A1.2, an outside soft mould frock (400) is taken, its bottom land is identical with the profile of the firm template (110);
A1.3, the bottom land that the firm template (110) is placed on to the outside soft mould frock (400), and in the outside The flexible template of laying rubber folder prepreg on the cell wall of soft mould frock (400), and the flexible template and the firm template (110) both sides are connected respectively;
A1.4, firm template (110) and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtained band firm Soft mode (120) on the outside of template.
8. utilize the beam form of many beam box section co-curing shaping beam mould assembly forming frocks of composite described in claim 6 Has establishment of component technique, it is characterised in that include the making step of inner side beam form:
A2.1, one firm template (110) of making, the firm template (110) are identical with the profile of its preforming beam;
A2.2, the wheel for taking an inner side soft mould frock (500), the bottom land of one of U-type groove body and the firm template (110) It is wide identical;
A2.3, by the firm template (110) be placed on its profile identical bottom land, and in the inner side soft mould frock (500) the flexible template of laying rubber folder prepreg on remaining inner tube wall, and the flexible template and the firm template (110) Both sides are connected respectively;
A2.4, firm template (110) and rubber pressed from both sides into the flexible template of prepreg together with solidified, be stripped processing again, obtain on the inside of Soft mode (130).
9. utilize the beam form of many beam box section co-curing shaping beam mould assembly forming frocks of composite described in claim 2 Has establishment of component technique, it is characterised in that include the making step of the outside beam form without rigid template:
A3.1, an outside soft mould frock (400) is taken, its bottom land is identical with the profile of its preforming beam;
A3.2, the flexible template of laying rubber folder prepreg on the bottom land and cell wall of the outside soft mould frock (400);
A3.3, rubber is pressed from both sides into the flexible template of prepreg solidified, be stripped processing again, obtained without soft mode on the outside of firm template (140)。
CN201710297681.6A 2017-04-28 2017-04-28 A kind of the composite material more molding of beam box section co-curing beam mould assembly forming tooling and manufacture crafts Active CN107150420B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115071175A (en) * 2022-06-22 2022-09-20 沈阳飞机工业(集团)有限公司 Forming tool for multiple high-size composite material partition frames outside large-scale cylinder section

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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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* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071175A (en) * 2022-06-22 2022-09-20 沈阳飞机工业(集团)有限公司 Forming tool for multiple high-size composite material partition frames outside large-scale cylinder section
CN115071175B (en) * 2022-06-22 2024-01-23 沈阳飞机工业(集团)有限公司 Forming tool for multiple high-size composite material bulkhead outside large cylinder section

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