CN207291016U - Control the former frock of thickness of composite material and fiber volume fraction - Google Patents

Control the former frock of thickness of composite material and fiber volume fraction Download PDF

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Publication number
CN207291016U
CN207291016U CN201721259782.6U CN201721259782U CN207291016U CN 207291016 U CN207291016 U CN 207291016U CN 201721259782 U CN201721259782 U CN 201721259782U CN 207291016 U CN207291016 U CN 207291016U
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China
Prior art keywords
molding die
release cloth
eccentrically
type
pressing plate
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Active
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CN201721259782.6U
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Chinese (zh)
Inventor
万里程
陈永乐
卜祥威
韩德滨
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Jiangsu Hengshen Co Ltd
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Jiangsu Hengshen Co Ltd
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Abstract

The utility model provides a kind of former frock for controlling thickness of composite material and fiber volume fraction, the frock includes bottom plate, some metallic supports, molding die, the equal pressing plate in eccentrically arranged type face, silicon rubber, injecting glue pipeline, go out plastic pipe, vacuum bag, flow-guiding screen, fixing pin and shop bolt, metallic support uses inverted L shape or T-shaped stent, one end of metallic support passes through fastening bolt connecting bottom board, the other end of metallic support is equipped with Universal bolt, molding die is arranged on bottom plate, metallic support is set around molding die, release cloth one is equipped with molding die successively, release cloth two, vacuum bag, the equal pressing plate of silicon rubber and eccentrically arranged type face, injecting glue pipeline, go out plastic pipe to be all provided between vacuum bag and release cloth two;The utility model can manufacture the product of different-thickness and the product of required fiber volume fraction, and die apparatus cost only needs a set of, greatly reduces production cost, and has controllability, can carry out production adjusting according to production needs.

Description

Control the former frock of thickness of composite material and fiber volume fraction
Technical field
It the utility model is related to a kind of former frock for controlling thickness of composite material and fiber volume fraction.
Background technology
Composite material is widely used in aerospace and industrial applications as a kind of new high performance material, In composite material process planning, liquid molding is used as wherein one important moulding process, the optimization of technique and the mechanics for improving product It is particularly important that performance, in traditional liquid molding process, it is partially thick that VARI technological forming products frequently can lead to product thickness, fine It is too low to tie up volume content, so as to be that the mechanical property of product substantially reduces, although and RTM techniques can control product thickness and fiber Volume fraction, but its equipment cost is high, and product thickness is single, and more cover dies are especially needed in the product of same type face different-thickness Tool, causes cost excessive.
Utility model content
The purpose of this utility model is to provide a kind of former work for controlling thickness of composite material and fiber volume fraction Dress and forming method, solve equipment cost height existing in the prior art, and product thickness is single, especially different thick in same type face The problem of needing multiple sets of molds in the product of degree, cause cost excessive.
The technical solution of the utility model is:
A kind of former frock for controlling thickness of composite material and fiber volume fraction, including bottom plate, some metal branch Frame, molding die, the equal pressing plate in eccentrically arranged type face, silicon rubber, injecting glue pipeline, go out plastic pipe, vacuum bag, flow-guiding screen, fixing pin and Shop bolt, metallic support use inverted L shape or T-shaped stent, and one end of metallic support passes through fastening bolt connecting bottom board, metal branch The other end of frame is equipped with Universal bolt, and molding die is arranged on bottom plate, and metallic support is set around molding die, on molding die Release cloth one, release cloth two, vacuum bag, the equal pressing plate of silicon rubber and eccentrically arranged type face are equipped with successively, and Universal bolt is arranged on eccentrically arranged type face The top of equal pressing plate, injecting glue pipeline, go out plastic pipe and be all provided between vacuum bag and release cloth two, and injecting glue pipeline, goes out plastic pipe The inside both sides of vacuum bag are respectively arranged on, flow-guiding screen is equipped between injecting glue pipeline and release cloth two, fixing pin sequentially passes through vacuum Molding die is penetrated after bag, release cloth two, release cloth one, shop bolt sequentially passes through the equal pressing plate in eccentrically arranged type face, silicon rubber, vacuum Molding die is penetrated after bag, release cloth two, release cloth one.
Further, preform is equipped between release cloth one, release cloth two.
Further, flow-guiding screen is made of nylon material.
Further, release cloth one is using band glue release cloth.
A kind of former frock of control thickness of composite material and fiber volume fraction using described in any of the above-described Forming method, comprise the following steps:
A, molding die is made, which is formpiston, and scraper tool is used on the equal pressing plate in eccentrically arranged type face, will be matched Good unvulcanized silicon rubber is uniformly applied on the inside of type face, is placed in curing oven, is carried out according to silicon rubber curing cycle silicon rubber Solidifying and setting, is prepared into the silicone rubber pad of corresponding thickness;Or cured silicon rubber is used, it is glued into required inner mold Face;
B, the preform needed for preparing, specifically, carbon fibre fabric is cut according to blanking figure using cutter, On molding die upper berth, adhesive tape has the fabric of setting agent, and lays isolation film, release cloth, vacuum bag successively on the fabric, uses Sealing joint strip seals vacuum bag;Sack-finished- precast body will be made and be put into curing oven progress thermal finalization, thermal finalization should ensure that vacuum Degree is 130 ± 5 DEG C, setting time 30min in more than 920mbar, setting temperature, and undetermined type, which finishes, is cooled to less than 60 DEG C Afterwards, preform is obtained after carrying out deburring;
C, composite product VARI technological formings, specifically, laying release cloth one successively on molding die, having trimmed Into preform, release cloth two and flow-guiding screen, and place and injecting glue pipeline and go out plastic pipe, bag making;It is whole to detect bag making rear mold The air-tightness of body, it is desirable to more than overall vacuum 920mbar, and 5min pressure drops are no more than 20mbar;Four metallic supports are led to Cross fastening bolt to be fixed on bottom plate, and four Universal bolts are separately mounted on metallic support;Installed on molding die The fixing pin of required thickness, installs the equal pressing plate in eccentrically arranged type face, and rotation Universal bolt makes it carry out the equal pressing plate in eccentrically arranged type face Reinforcing;Open injecting glue pipeline and carry out injecting glue, injecting glue terminates to continue to rotate Universal bolt fastening at the same time, cures;
D, demoulded between composite material, product is obtained after the demoulding.
Further, in step c, the installation equal pressing plate in eccentrically arranged type face by fixing pin specifically, be first positioned over molding die Pin hole in;The equal pressing plate in eccentrically arranged type face is placed again, and is positioned in the equal pressing plate in eccentrically arranged type face and molding die placement positioning pin Both positions.
The beneficial effects of the utility model are:This kind controls the former work of thickness of composite material and fiber volume fraction Dress and forming method, optimize in VARI moulding process, by equipment frock, can manufacture the product of different-thickness and required Fiber volume fraction product, die apparatus cost only needs a set of, greatly reduces production cost, and with adjustable Property, production adjusting can be carried out according to production needs.
Brief description of the drawings
Fig. 1 is the knot of the former frock of the utility model embodiment control thickness of composite material and fiber volume fraction Structure schematic diagram;
Fig. 2 is the structure diagram of equal eccentrically arranged type face pressure plate and molding die in embodiment;
Wherein:1- molding dies, 2- metallic supports, 3- Universal bolts, 4- vacuum bags, 5- injecting glue pipelines, 6- flow-guiding screens, 7- The equal pressing plate in eccentrically arranged type face, 8- silicon rubber, 9- go out plastic pipe, 10- release cloths 1,11- release cloths 2,12- bottom plates, 13- shop bolts, 14- fixing pins, 15- preforms, 16- fastening bolts.
Embodiment
Describe the preferred embodiment of the utility model in detail below in conjunction with the accompanying drawings.
Embodiment
A kind of former frock for controlling thickness of composite material and fiber volume fraction, such as Fig. 1, if including bottom plate 12, Dry metallic support 2, molding die 1, the equal pressing plate 7 in eccentrically arranged type face, silicon rubber 8, injecting glue pipeline 5, go out plastic pipe 9, vacuum bag 4, lead Drift net 6, fixing pin 14 and shop bolt 13, metallic support 2 use inverted L shape or T-shaped stent, and one end of metallic support 2 passes through 16 connecting bottom board 12 of fastening bolt, the other end of metallic support 2 are equipped with Universal bolt 3, and molding die 1 is arranged on bottom plate 12, gold Belong to stent 2 to set around molding die 1, be equipped with release cloth 1, release cloth 2 11, vacuum bag 4, silicon on molding die 1 successively The equal pressing plate 7 of rubber 8 and eccentrically arranged type face, Universal bolt 3 are arranged on the top of the equal pressing plate 7 in eccentrically arranged type face, and injecting glue pipeline 5, go out plastic pipe 9 It is arranged between vacuum bag 4 and release cloth 2 11, and injecting glue pipeline 5, goes out the inside both sides that plastic pipe 9 is respectively arranged on vacuum bag 4, Flow-guiding screen 6 is equipped between injecting glue pipeline 5 and release cloth 2 11, such as Fig. 2, fixing pin 14 sequentially passes through vacuum bag 4, release cloth two 11st, molding die 1 is penetrated after release cloth 1, shop bolt 13 sequentially passes through the equal pressing plate 7 in eccentrically arranged type face, silicon rubber 8, vacuum bag 4th, molding die 1 is penetrated after release cloth 2 11, release cloth 1.
This kind controls the former frock of thickness of composite material and fiber volume fraction, by equipment frock, can manufacture The product of the product of different-thickness and required fiber volume fraction, die apparatus cost only need a set of, greatly reduce life Cost is produced, and there is controllability, production adjusting can be carried out according to production needs.
It is first to make that this kind, which controls the connection erection sequence of the former frock of thickness of composite material and fiber volume fraction, It is standby to complete preform 15, preform 15 is positioned between the release cloth 1 on molding die 1 and release cloth 2 11;Spreading Put auxiliary material such as vacuum bag 4, flow-guiding screen 6, silicon rubber 8;Then, lay and connecting pipe, including injecting glue pipeline 5, go out sebific duct Road 9;The consistent silicon rubber 8 of equal with eccentrically arranged type face pressing plate 7 is prepared, together with pressing plate 7 equal with eccentrically arranged type face is viscous;Equipment frock is installed Metallic support 2, Universal bolt 3, shop bolt 13, the equal pressing plate 7 of fixing pin 14 and eccentrically arranged type face.
In embodiment, 15 upper and lower surface of preform can increase multilayer release cloth and with glue release cloth, for being manufactured It is middle to absorb resin more than needed and control product apparent mass.Flow-guiding screen 6 selects the PA materials of softness, size and shape and product Apparent shape is close to unanimously.Flow-guiding screen 6 is cut into two parts, and a part is used to serve as permeable medium, and a part serves as filling and is situated between Matter.
In embodiment, the equal pressing plate 7 in eccentrically arranged type face is manufactured by the biasing of product outer mold surface.The equal pressing plate 7 in eccentrically arranged type face from Product height is controlled by fixing pin 14.There are one layer of silicon rubber 8, product actual (real) thickness for the equal pressing plate 7 in eccentrically arranged type face and product By triple interaction.Equal 7 external force of pressing plate in eccentrically arranged type face is applied by Universal bolt 3.
Embodiment is by first cutting carbon fibre fabric using cutter, and fabric needed for lay, is made on molding die 1 Preform 15, lays auxiliary material and carries out bag making, finally install equipment frock on molding die 1, place required consolidate 14 and the equal pressing plate 7 in eccentrically arranged type face, silicon rubber 8 are followed closely in rationed marketing, and finally rotation Universal bolt 3 reaches the equal pressing plate 7 in eccentrically arranged type face required Actual height, carries out injecting glue curing process.
A kind of former frock of control thickness of composite material and fiber volume fraction using described in any of the above-described Forming method, comprise the following steps:
A, molding die 1 is made, which is formpiston, and scraper tool is used on the equal pressing plate 7 in eccentrically arranged type face, will Proportioned unvulcanized silicon rubber 8 is uniformly applied on the inside of type face, is placed in curing oven, according to 8 curing cycle silicon rubber of silicon rubber Glue 8 carries out solidifying and setting, is prepared into the silicone rubber pad of corresponding thickness;Or cured silicon rubber 8 is used, it is glued into Required inner mold face;
B, the preform 15 needed for preparing, specifically, being cut out using cutter to carbon fibre fabric according to blanking figure Cut, have the fabric of setting agent in 1 upper berth adhesive tape of molding die, and lay isolation film, release cloth, vacuum bag 4 successively on the fabric, Vacuum bag 4 is sealed using sealing joint strip;Sack-finished- precast body will be made and be put into curing oven progress thermal finalization, thermal finalization should ensure that For vacuum in more than 920mbar, setting temperature is 130 ± 5 DEG C, setting time 30min, undetermined type finish be cooled to 60 DEG C with After lower, preform 15 is obtained after carrying out deburring;
C, composite product VARI technological formings, specifically, laying release cloth 1 successively on molding die 1, repairing The preform 15, release cloth 2 11 and flow-guiding screen 6 of completion are cut, and places injecting glue pipeline 5 and goes out plastic pipe 9, bag making;Detection system The air-tightness of bag rear mold entirety, it is desirable to more than overall vacuum 920mbar, and 5min pressure drops are no more than 20mbar;By four Metallic support 2 is fixed on bottom plate 12 by fastening bolt 16, and four Universal bolts 3 are separately mounted on metallic support 2; The fixing pin 14 of thickness required for being installed on molding die 1, places the equal pressing plate 7 in eccentrically arranged type face, and rotation Universal bolt 3 makes it The equal pressing plate in eccentrically arranged type face 7 is reinforced;Open injecting glue pipeline 5 and carry out injecting glue, injecting glue terminates to continue to rotate Universal bolt 3 at the same time Fastening, cures;
Embodiment place the equal pressing plate 7 in eccentrically arranged type face order be successively:Fixing pin 14 is first positioned over molding die 1 In pin hole;The equal pressing plate 7 in eccentrically arranged type face is placed again, and it is fixed in the equal pressing plate 7 in eccentrically arranged type face and 1 placement positioning pin 13 of molding die Both positions of position.
D, demoulded between composite material, product is obtained after the demoulding.Specially:
D1, rotation Universal bolt 3, it is corresponding to remove the equipment frocks such as Universal bolt 3, metallic support 2, equal pressing plate 7;
D2, remove auxiliary material;
E, inspection, packaging, storage.
This kind controls the former frock and forming method of thickness of composite material and fiber volume fraction, is molded in VARI Optimized in technique, can accurately control required actual (real) thickness, can be manufactured into by adjusting regular length pin and silicon rubber 8 The composite material of required thickness and required fiber volume fraction, and equipment frock assembly and disassembly is more convenient.
In addition to the implementation, the utility model patent product can also have other embodiment.It is all to use equivalent substitution Or the technical solution that equivalent transformation is formed, in the protection domain for all falling within this patent requirement.

Claims (4)

  1. A kind of 1. former frock for controlling thickness of composite material and fiber volume fraction, it is characterised in that:If including bottom plate, Dry metallic support, molding die, the equal pressing plate in eccentrically arranged type face, silicon rubber, injecting glue pipeline, go out plastic pipe, be vacuum bag, flow-guiding screen, solid Rationed marketing nail and shop bolt, metallic support use inverted L shape or T-shaped stent, and one end of metallic support connects bottom by fastening bolt Plate, the other end of metallic support are equipped with Universal bolt, and molding die is arranged on bottom plate, and metallic support is set around molding die, Release cloth one, release cloth two, vacuum bag, the equal pressing plate of silicon rubber and eccentrically arranged type face are equipped with molding die successively, Universal bolt is set In the top of the equal pressing plate in eccentrically arranged type face, injecting glue pipeline, go out plastic pipe and be all provided between vacuum bag and release cloth two, and injected rubber hose Road, go out the inside both sides that plastic pipe is respectively arranged on vacuum bag, and flow-guiding screen is equipped between injecting glue pipeline and release cloth two, and fixing pin is solid Due on molding die, shop bolt penetrates molding die after sequentially passing through the equal pressing plate in eccentrically arranged type face, silicon rubber.
  2. 2. the former frock of control thickness of composite material and fiber volume fraction, its feature exist as claimed in claim 1 In:Preform is equipped between release cloth one, release cloth two.
  3. 3. the former frock of control thickness of composite material and fiber volume fraction, its feature exist as claimed in claim 1 In:Flow-guiding screen is made of nylon material.
  4. 4. the former frock of control thickness of composite material and fiber volume fraction, its feature exist as claimed in claim 1 In:Release cloth one is using band glue release cloth.
CN201721259782.6U 2017-09-28 2017-09-28 Control the former frock of thickness of composite material and fiber volume fraction Active CN207291016U (en)

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Application Number Priority Date Filing Date Title
CN201721259782.6U CN207291016U (en) 2017-09-28 2017-09-28 Control the former frock of thickness of composite material and fiber volume fraction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107627629A (en) * 2017-09-28 2018-01-26 江苏恒神股份有限公司 Control the former frock and forming method of thickness of composite material and fiber volume fraction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107627629A (en) * 2017-09-28 2018-01-26 江苏恒神股份有限公司 Control the former frock and forming method of thickness of composite material and fiber volume fraction
CN107627629B (en) * 2017-09-28 2020-05-01 江苏恒神股份有限公司 Molding equipment tool and molding method for controlling thickness and fiber volume fraction of composite material

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