CN207808547U - A kind of combination pressurizing mould and the pressing shaping device comprising this mold - Google Patents
A kind of combination pressurizing mould and the pressing shaping device comprising this mold Download PDFInfo
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- CN207808547U CN207808547U CN201820084701.1U CN201820084701U CN207808547U CN 207808547 U CN207808547 U CN 207808547U CN 201820084701 U CN201820084701 U CN 201820084701U CN 207808547 U CN207808547 U CN 207808547U
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- silicon rubber
- combination
- rubber core
- pressurizing mould
- bag
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of combination pressurizing mould, including silicon rubber core model and vacuum air bag bag;Silicon rubber core model includes skeleton and tune type hole;Vacuum air bag bag is communicated through tune type hole setting outside the inner cavity of vacuum air bag bag and vacuum air bag bag.The utility model combines vacuum bag together with silicon rubber core model, gives full play to the effect of vacuum bag and silicon rubber core model.A kind of pressing shaping device, including autoclave and pressurizing mould component is also disclosed in the utility model;Pressurizing mould component includes bottom plate mold, die for cover plate and the combination pressurizing mould;Bottom plate mold, die for cover plate and combination pressurizing mould form the molding cavity to match with molded article structure.Using the pressing shaping device of the utility model, the method for using combined type pressurization, solidifying pressure is more stable, has reached technological requirement almost without fluctuation and pressure, forming technology window is wider, requires silicon rubber core mold structure relatively low.
Description
Technical field
The utility model is related to be press-formed technical field, particularly, be related to a kind of combination pressurizing mould and comprising
The pressing shaping device of this mold.
Background technology
During composite material hat shape reinforcement component is hot-forming, outside pressure transmission and outer is generally carried out by rigid die
Contouring figuration, and it is internal since distinctive ladder cavity exists, need the interior core model progress structural support that sets to carry out assistant formation, from
And meet the pressure needed for molding component quality and be right up to production engineering specifications, i.e. pressure is reachable.It is presently used for hat shape reinforcement
The core model of component inside cavity support mainly has metal core die, vacuum bag air bag, three kinds of silicon rubber core model, and Details as Follows:
1, metal core die, such mode is very difficult due to demoulding, and is not used in practical manufacturing process.
2, vacuum bag air bag, such mode, which presses tank, introduces product shape for hat part internal cavities, and pressure transmission is uniform, stablizes, but same
When there are disadvantages:A, it is poor to be used for d type effect when complex component (such as shape for hat reinforcement component) for vacuum bag air bag;B, vacuum bag gas
Capsule is put into product and needs to be pleated, and unavoidably there are wrinkle inside molded article, cause surface quality precision insufficient;C, product is solid
Non-uniform protrusion easily causes it to generate leakage after change, and there are high rejection rate and safety problems.
3, silicon rubber core model, such mode have it is good by thermal characteristics, specifically:A, silicon rubber core model is increased with temperature
It is heated to generate expansion, play the role of support and pressure transmission to cap member internal cavities, it is ensured that it obtains excellent type face precision;b、
When solidification terminates to unload tooling, silicon rubber core model, which is cooled, is also easy to produce volume contraction, and demoulding is relatively easy to.But such mode exists
Defect be:Swell increment is difficult to, and existing method is all swollen come the heat for effectively adjusting silicon rubber core model by prefabricated tune shape hole
Bulk, only (Xs=0.099) pressure distribution uniform in the tune type hole being rationally arranged, distributed pole is uneven below other conditions
It is even, and the more demanding of type hole size is exchanged in thermal expansion of silicone rubber pressurization, core model most preferably adjusts type hole structure size to be difficult to determine, work
Skill window is relatively narrow, greatly limits its application.
Therefore, design one kind can realize that solidifying pressure stable and uniform is conveyed, operating process is succinct efficient and simultaneously can
The pressing shaping device for effectively evading dimension shape effect difference and the low disadvantage of dimensional accuracy is of great significance.
Utility model content
The first of the utility model, which is designed to provide one kind, can realize the reception and registration of solidifying pressure stable and uniform, operating process
Combination pressurizing mould that is succinct efficient and can effectively evading dimension shape effect difference and the low disadvantage of dimensional accuracy simultaneously, specifically
Technical solution is as follows:
A kind of combination pressurizing mould, including silicon rubber core model and vacuum air bag bag;
The silicon rubber core model includes skeleton and is arranged on the skeleton and matches with the shape of the skeleton
Adjust type hole;
The vacuum air bag bag is arranged through the tune type hole, and outside the inner cavity of the vacuum air bag bag and vacuum air bag bag
Portion communicates.
Preferred in above technical scheme, the skeleton is hollow trapezium structure;The thickness on each side of skeleton is equal;
The hole accounting of the silicon rubber core model is 0.3-0.6.
It is preferred in above technical scheme, the hole accounting of the silicon rubber core model be 0.34,0.4,0.48,0.53 and
0.6。
Preferred in above technical scheme, the silicon rubber core model and the vacuum air bag bag are arranged independently of each other.
Using the combination pressurizing mould of the utility model, effect is:The utility model is by vacuum bag together with silicon rubber
Glue core model combines, and gives full play to the effect of vacuum bag and silicon rubber core model, specifically:The main function of vacuum bag is
External hot pressing pressure tank is introduced inside product, is wanted to which the curing molding for product provides stable and uniform, meets technique
The solidifying pressure asked;The effect of trapezoidal hole silicon rubber core model is:A, silicon rubber core model flexible is heated produces in the curing process
Raw small expansion can (such as trigonum be turned to product especially privileged sites under the inner pot pressure effect that vacuum bag provides
Angular region) pressure compensation is provided, promote each site pressure uniformity of product;B, leakage problem is improved, due to vacuum bag and system
There is silicon rubber core model flexible between part precast body, core model can largely protect vacuum bag not damaged, so very
The leakage problem of empty bag pressurization makes moderate progress.The hole accounting of silicon rubber core model (on same cross section, adjusts the section of type hole
Product accounts for the ratio of core model total sectional area, referred to as hole accounting) 0.3-0.6 is used, it can ensure that solidifying pressure is more stable, to silicon
Rubber mandrel structural requirement is relatively low.
A kind of pressing shaping device is also disclosed in the utility model, and specific technical solution is:
A kind of pressing shaping device, including autoclave and pressurizing mould component;
The autoclave includes being used for the molding extrusion forming chamber of product;
The pressurizing mould component includes bottom plate mold, die for cover plate and combination extrusion forming mould as described above
Tool, the inner cavity for combining vacuum air bag bag in pressurizing mould are connected with the extrusion forming chamber;
The bottom plate mold is arranged on the plate inner wall of the extrusion forming chamber, the combination pressurizing mould setting
On the bottom plate mold, the die for cover plate is arranged on the combination pressurizing mould, and the bottom plate mold, cover board
Mold and combination pressurizing mould form the molding cavity to match with molded article structure.
Preferred in above technical scheme, the bottom plate mold is slab construction;The die for cover plate be and the pressurization
The platy structure that silicon rubber core model shape matches in molding die component.
Preferred in above technical scheme, the material of the bottom plate mold is aluminium alloy, and the die for cover plate is carbon fiber
Composite material.
Using the pressing shaping device of the utility model, effect is:
1, the method that the pressing shaping device of the utility model uses combined type pressurization, compared with existing method, effect
It is:A, the regulation and control problem to single silicon rubber core model expandable pressurized thermal expansion amount is fundamentally avoided.Add relative to thermally expanding
Pressure, technical solution of the present invention need not have core model size excessively harsh requirement, from mold design, experimental designs, reality
Testing workload, experimental implementation etc. realizes the simplification of problem;B, it is poor, fragile to solve single vacuum bag dimension shape effect
The birth defect of damage;C, the dimensional accuracy of molded article, surface accuracy are satisfied by design requirement.
2, the effect of trapezoidal hole silicon rubber core model can integrate figuration and pressure compensation in the utility model;With outside
Tank pressure is introduced into cavity inside and (will combine the inner cavity of vacuum air bag bag in pressurizing mould with described to add by connected vacuum bag
Cavity is pressed into be connected), source pressure is mainly tank pressure, makes product internal curing pressure uniformly and stablizes, very close to test
The pressure process route of setting can fundamentally ensure the Forming Quality of product;Vacuum bag is contacted with soft silica gel, overcomes system
The problems such as hard protrusion in part damages it caused leakage after part solidification, scrappage is high.
3, the application of the pressing shaping device of the utility model, solidifying pressure is more stable, almost without fluctuating and pressing
Power has reached technological requirement, and forming technology window is wider, requires silicon rubber core mold structure relatively low.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is structural schematic diagram when combining pressurizing mould application in embodiment 1;
Fig. 2 is the structural schematic diagram of silicon rubber core model in Fig. 1;
Fig. 3 is forming process assembling schematic diagram in embodiment 1;
Fig. 4 be silicon rubber core model in embodiment 1 hole accounting be 0.34 when five site pressure real-time change curve graphs;
Fig. 5 be silicon rubber core model in embodiment 1 hole accounting be 0.4 when five site pressure real-time change curve graphs;
Fig. 6 be silicon rubber core model in embodiment 1 hole accounting be 0.48 when five site pressure real-time change curve graphs;
Fig. 7 be silicon rubber core model in embodiment 1 hole accounting be 0.53 when five site pressure real-time change curve graphs;
Fig. 8 be silicon rubber core model in embodiment 1 hole accounting be 0.6 when five site pressure real-time change curve graphs;
Wherein:
1, silicon rubber core model, 1.1, skeleton, 1.2, adjust type hole, 2, vacuum air bag bag, 3, bottom plate mold, 4, die for cover plate,
5, molded article, 6, gear glue component.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1:
A kind of pressing shaping device refers to Fig. 1 (arrow direction is pressure direction in Fig. 1), including autoclave and pressurization
Molding die component, the autoclave include being used for the molding extrusion forming chamber of product;The pressurizing mould component includes
Bottom plate mold 3, die for cover plate 4 and combination pressurizing mould;
The combination pressurizing mould includes the silicon rubber core model 1 (referring to Fig. 2) being arranged independently of each other and vacuum air bag
Bag 2;The silicon rubber core model 1 include skeleton 1.1 and be arranged on the skeleton 1.1 and with the shape phase of the skeleton 1.1
Matched tune type hole 1.2;The vacuum air bag bag 2 is arranged through the tune type hole 1.2, and the inner cavity of the vacuum air bag bag 2
It is communicated with outside vacuum air bag bag 2.The skeleton 1.1 is hollow trapezium structure.
The inner cavity of vacuum air bag bag 2 is connected with the extrusion forming chamber in the combination pressurizing mould;The bottom
Board mold 3 is arranged on the plate inner wall of the extrusion forming chamber, and the combination pressurizing mould is arranged in the bottom plate mould
Tool 3 on, the die for cover plate 4 be arranged on the combination pressurizing mould, and the bottom plate mold 3, die for cover plate 4 and
Combination pressurizing mould forms the molding cavity to match with 5 structure of molded article, and when extrusion forming can also be according to reality
The design of situation additional gear position glue component 6, to meet extrusion forming.
The bottom plate mold 3 is slab construction;The die for cover plate 4 be and silicon rubber in the pressurizing mould component
The platy structure that 1 shape of core model matches.The material of the bottom plate mold 3 is aluminium alloy, and the material of the die for cover plate 4 is
Which kind of carbon fibre composite carbon fibre composite (specifically uses can be carried out accordingly selecting according to the molded article of processing).
The thickness on 1.1 each side of the skeleton is equal;The hole accounting of the silicon rubber core model 1 is 0.3-0.6, when the silicon rubber
When the hole accounting of glue core model 1 is 0.34,0.4,0.48,0.53 and 0.6, (crown, crouches at side at silicon rubber core model five positions
Side, bottom plate and trigonum) pressure real-time change curve graph refers to Fig. 4-Fig. 8, it can be seen that from Fig. 4-Fig. 8:Each hole accounting condition
Under the resin pressure that monitors it is more stable, reached technological requirement, forming technology window almost without fluctuation and pressure
It is wider, silicon rubber core mold structure is required relatively low.
Using the technical solution of the present embodiment, specifically:
First prepare autoclave and pressurizing mould component;Again by pressurizing mould component placement in the autoclave
It is press-formed intracavitary.
The specific placement process of pressurizing mould component refers to Fig. 3, specifically:
The preparation of the first step, mold and material, mold include bottom plate mold 3, die for cover plate 4 and silicon rubber core model 1;Preimpregnation
The Lay up design of material divides hat shape rib and skinpiston two parts (referring to the prior art);
Second step, first by the rib figuration of shape for hat product, specifically:It is enterprising that hat shape web sections are placed in silicon rubber core model
Row fitting figuration;Vacuum bag is rolled into tubular again, specifically:Tubular vacuum bag is penetrated into silicon rubber internal holes;
Third step, component encapsulation and vacuumize and cure.
Tubular vacuum bag passes through inside core model when bag making, is combined with external vacuum bag, empty with the external world inside core model to make
Gas phase is logical, in the curing process, product internal pressure, that is, tank pressure.
Using the technical solution of the present embodiment, the method that pressing shaping device uses combined type pressurization, with existing method
Compare, effect is:A, the regulation and control problem to single silicon rubber core model expandable pressurized thermal expansion amount is fundamentally avoided.Relative to
Pressurization is thermally expanded, technical solution of the present invention there need not be core model size excessively harsh requirement, from mold design, experimental program
Design, experimental work amount, experimental implementation etc. realize the simplification of problem;B, single vacuum bag dimension shape effect is solved
The birth defect of difference, cracky;C, the dimensional accuracy of molded article, surface accuracy are satisfied by design requirement.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of combination pressurizing mould, it is characterised in that:Including silicon rubber core model (1) and vacuum air bag bag (2);
The silicon rubber core model (1) include skeleton (1.1) and be arranged on the skeleton (1.1) and with the skeleton (1.1)
The tune type hole (1.2) that matches of shape;
The vacuum air bag bag (2) is arranged through the tune type hole (1.2), and the inner cavity of the vacuum air bag bag (2) and vacuum
It is communicated outside gasbag (2).
2. combination pressurizing mould according to claim 1, it is characterised in that:The skeleton (1.1) is hollow ladder
Shape structure;The thickness on each side of the skeleton (1.1) is equal;The hole accounting of the silicon rubber core model (1) is 0.3-0.6.
3. combination pressurizing mould according to claim 2, it is characterised in that:The hole of the silicon rubber core model (1) accounts for
Than being 0.34,0.4,0.48,0.53 and 0.6.
4. combination pressurizing mould according to claim 1, it is characterised in that:The silicon rubber core model (1) and described
Vacuum air bag bag (2) is arranged independently of each other.
5. a kind of pressing shaping device, it is characterised in that:Including autoclave and pressurizing mould component;
The autoclave includes being used for the molding extrusion forming chamber of product;
The pressurizing mould component includes bottom plate mold (3), die for cover plate (4) and such as claim 1-4 any one
The combination pressurizing mould, it is described combination pressurizing mould in vacuum air bag bag (2) inner cavity with it is described pressurization at
Cavity is connected;
The bottom plate mold (3) is arranged on the plate inner wall of the extrusion forming chamber, the combination pressurizing mould setting
On the bottom plate mold (3), the die for cover plate (4) is arranged on the combination pressurizing mould, and the bottom plate mould
Tool (3), die for cover plate (4) and combination pressurizing mould form the molding cavity to match with molded article structure.
6. pressing shaping device according to claim 5, it is characterised in that:The bottom plate mold (3) is slab construction;Institute
State the platy structure that die for cover plate (4) is with silicon rubber core model (1) shape matches in the pressurizing mould component.
7. pressing shaping device according to claim 6, it is characterised in that:The material of the bottom plate mold (3) is closed for aluminium
The material of gold, the die for cover plate (4) is carbon fibre composite.
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CN201820084701.1U CN207808547U (en) | 2018-01-18 | 2018-01-18 | A kind of combination pressurizing mould and the pressing shaping device comprising this mold |
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CN201820084701.1U CN207808547U (en) | 2018-01-18 | 2018-01-18 | A kind of combination pressurizing mould and the pressing shaping device comprising this mold |
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Cited By (7)
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CN109927310A (en) * | 2018-12-27 | 2019-06-25 | 皓宇智能有限公司 | Foam core composite material process planning |
CN109955507A (en) * | 2019-04-04 | 2019-07-02 | 北京卫星制造厂有限公司 | Dimension shape tooling and dimension shape method for the integrally formed thermal protection struc ture of large scale |
CN110228214A (en) * | 2019-06-28 | 2019-09-13 | 广汽三菱汽车有限公司 | A kind of quick molding method of continuous fiber reinforcement plastic auto parts |
CN110239112A (en) * | 2019-05-20 | 2019-09-17 | 宁波大学 | A kind of processing method of composite material shape for hat Material Stiffened Panel |
CN111152478A (en) * | 2019-12-13 | 2020-05-15 | 中国航空制造技术研究院 | Resin flow control method for integral forming of hat-shaped reinforced wall plate RFI |
CN111844812A (en) * | 2020-08-17 | 2020-10-30 | 沈阳飞机工业(集团)有限公司 | Split type composite material forming tool and using method thereof |
CN111923290A (en) * | 2020-06-22 | 2020-11-13 | 成都飞机工业(集团)有限责任公司 | Demoulding method of cap-shaped soft mould |
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2018
- 2018-01-18 CN CN201820084701.1U patent/CN207808547U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109927310A (en) * | 2018-12-27 | 2019-06-25 | 皓宇智能有限公司 | Foam core composite material process planning |
CN109927310B (en) * | 2018-12-27 | 2022-05-10 | 皓宇智能有限公司 | Forming process of foam inner core composite material |
CN109955507A (en) * | 2019-04-04 | 2019-07-02 | 北京卫星制造厂有限公司 | Dimension shape tooling and dimension shape method for the integrally formed thermal protection struc ture of large scale |
CN109955507B (en) * | 2019-04-04 | 2021-10-01 | 北京卫星制造厂有限公司 | Shape maintaining tool and shape maintaining method for large-size integrally-formed heat-proof structure |
CN110239112A (en) * | 2019-05-20 | 2019-09-17 | 宁波大学 | A kind of processing method of composite material shape for hat Material Stiffened Panel |
CN110228214A (en) * | 2019-06-28 | 2019-09-13 | 广汽三菱汽车有限公司 | A kind of quick molding method of continuous fiber reinforcement plastic auto parts |
CN111152478A (en) * | 2019-12-13 | 2020-05-15 | 中国航空制造技术研究院 | Resin flow control method for integral forming of hat-shaped reinforced wall plate RFI |
CN111152478B (en) * | 2019-12-13 | 2021-09-14 | 中国航空制造技术研究院 | Resin flow control method for integral forming of hat-shaped reinforced wall plate RFI |
CN111923290A (en) * | 2020-06-22 | 2020-11-13 | 成都飞机工业(集团)有限责任公司 | Demoulding method of cap-shaped soft mould |
CN111844812A (en) * | 2020-08-17 | 2020-10-30 | 沈阳飞机工业(集团)有限公司 | Split type composite material forming tool and using method thereof |
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Granted publication date: 20180904 Termination date: 20200118 |