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CN108327320A - A kind of spar mold - Google Patents

A kind of spar mold Download PDF

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Publication number
CN108327320A
CN108327320A CN201810187099.9A CN201810187099A CN108327320A CN 108327320 A CN108327320 A CN 108327320A CN 201810187099 A CN201810187099 A CN 201810187099A CN 108327320 A CN108327320 A CN 108327320A
Authority
CN
China
Prior art keywords
filling block
boss
framework
spar
molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810187099.9A
Other languages
Chinese (zh)
Other versions
CN108327320B (en
Inventor
谢汶轩
高举斌
肖志鹏
孙见卓
王栋
刘传军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Original Assignee
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd, Beijing Aeronautic Science and Technology Research Institute of COMAC filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201810187099.9A priority Critical patent/CN108327320B/en
Publication of CN108327320A publication Critical patent/CN108327320A/en
Application granted granted Critical
Publication of CN108327320B publication Critical patent/CN108327320B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • 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
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping 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
    • B29C70/34Shaping 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
    • B29C70/342Shaping 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
    • 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
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/40Shaping or impregnating by compression not applied
    • B29C70/42Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/443Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
    • 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
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/541Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of spar molds, are used for the hot diaphragm forming technique of composite material spar, including:It is molded boss (1);Framework (2), dismountable setting is around molding boss (1);Filling block (3) is arranged in the space that molding boss (1) is formed with framework (2), and shape and the shape in the space match, to fill the space;The upper surface of framework (2), the upper surface of filling block (3) and molding boss (1) is in same plane.The spar mold of the present invention solve in hot diaphragm forming technique prepreg tablet position and moving process in there are position error is big and deformation induced by gravity the problems such as, reduce the uncertain influence that the movement of prepreg tablet is brought, ensure that prepreg tablet is positioning and the positioning accuracy and stability in moving process, and this mould structure is scientific and reasonable, the combination dismounting mode of entire mold is rationally easy-to-use, the convenience that mold uses is increased, safe operation is convenient.

Description

A kind of spar mold
Technical field
The present invention relates to mechanical device and technical field of transportation more particularly to a kind of spar molds.
Background technology
Hot diaphragm forming technique:Refer to and be coated with preforming prepreg pressing plate using automated tape-laying or manual paving technique, As shown in Figure 1, between prepreg tablet 5 is held on superplasticity diaphragm 6, vacuumizes, heat up inside diaphragm, vacuumize behaviour Make, so that sliding deformation patch mould, final prepreg between prepreg is fitted to die surface, complete preform process, prepare in advance at Type body.
Preform:One by have been subjected to the prepreg board group of preform process at structure.Preform has Geometry similar with final part.For complicated part, it can be assembled by different secondary preforms, also may be used To be made of with one without passing through preforming laminate secondary preform.Once passing through thermoforming, it just becomes laminate At preform.
As shown in Figure 1, existing spar mold design needs otherwise designed prepreg tablet paving work due to its structure type The bed of material, after the completion of waiting for prepreg pressing plate paving, need to be transferred on spar molding die by dress, have following point production in the process It is raw:
1, orientation problem:Composite material spar structure is mostly to lose layer design, therefore lose the accordance of layer position and tooling It is extremely important, use process means, the errors such as laser projection positioning larger at this stage.
2, deformation induced by gravity:Prepreg tablet own wt is larger, will produce in translation motion due to conducting oneself with dignity positioning Deformation will influence high temperature preform quality.
Invention content
The object of the present invention is to provide a kind of spar mold, prepreg tablet in hot diaphragm forming technique can be solved and positioned There are position errors greatly and the problems such as deformation induced by gravity in moving process, reduces the uncertainty that the movement of prepreg tablet is brought It influences, it is ensured that prepreg tablet is positioning and the positioning accuracy and stability in moving process.
To solve the above problems, the present invention provides a kind of spar mold, it to be used for the hot diaphragm forming of composite material spar Technique, including:It is molded boss;Framework is removably arranged around the molding boss;Filling block, setting it is described at In the space that type boss is formed with the framework, shape and the shape in the space match, to fill the space;It is described The upper surface of framework, the upper surface of filling block and the molding boss is in same plane.
Further, this spar mold further includes:Shape is arranged between the molding boss and the filling block in packing At gap in, for filling the gap.
Further, the upper surface of the packing and the upper surface of the molding boss are in same plane.
Further, the packing is integrated molding or subsection setup, the length of total length and the molding boss Match.
Further, the framework includes four baffles being detachably connected.
Further, the length of the framework and the length of the molding boss match.
Further, the upper surface of the filling block and its what is contacted with the framework be provided with fluting on one side.
Further, the quantity of the fluting of the upper surface of the filling block is four, and each two is located at institute for one group State the both ends of filling block;And/or
The quantity of the fluting for the one side that the filling block is contacted with the framework is four, and each two is one group and is located at The both ends of the filling block.
Further, the filling block is integrated molding or subsection setup, the length phase of length and the molding boss Matching.
Further, the filling block is divided to two sections of settings, which is one group, is located at the one of the molding boss In the space of side.
Further, the cross sectional shape of the molding boss is trapezoidal, C-shaped or arc-shaped.
Further, the cross sectional shape of the filling block is trapezoidal or rectangle.
Further, the packing matches with the shape in the gap.
The above-mentioned technical proposal of the present invention it is innovative propose a kind of spar mold, for composite material spar heat every Film forming process efficiently solves above-mentioned technical problem, has following beneficial technique effect:
1. a kind of spar mold provided by the invention, be used for the hot diaphragm forming technique of composite material spar, by framework, Paving platform is collectively formed in filling block and molding boss, solves prepreg tablet in hot diaphragm forming technique and is positioning and moving There is the problems such as big position error and deformation induced by gravity in the process, reduce the uncertain influence that the movement of prepreg tablet is brought, Ensure that prepreg tablet is positioning and the positioning accuracy and stability in moving process.
2. by the way that the fluting dished handle of shape is arranged on the surface of filling block, can easily be utilized when assembling use Filling block is put into framework by the handle of spill, the handle of spill can be utilized easily to take filling block from each side when dismounting Go out, increases the convenience that the spar mold uses, improve work efficiency.
3. since molding boss is according to the spar quasi spline of manufacture, the both ends in upper surface width direction are typically designed with Chamfering or fillet, the chamfering or the size of fillet can change because technique repairs a die during manufacturing spar, by being molded The gap setting packing formed between boss and filling block, it is only necessary to according to assembling needs, redesign packing.This is filled out Item design is filled, can effectively ensure the gap filling for being molded boss and filling block, to realize to the further accurate of prepreg tablet Stable positioning is fixed, and to further increase craft precision and quality, while reducing the cost that repairs a die.
4. spar mold provided by the invention, reasonable for structure, the combination dismounting mode of entire mold is rationally easy-to-use, can be fast Speed effectively forms smooth paving face and carries out paving work, improves work quality, and can be after completing process quickly and effectively Dismounting is formed and is recycled, Environmental Safety facility.
Description of the drawings
Fig. 1 is the structure and flow principle schematic of hot diaphragm forming technique in the prior art;
Fig. 2 is spar mold exploded perspective view provided by the invention;
Fig. 3 is spar mold assembling stereogram provided by the invention;
Fig. 4 is the structural upright schematic diagram of filling block provided by the invention;
Fig. 5 is the structural upright schematic diagram of packing provided by the invention.
Reference numeral:
1, it is molded boss, 2, framework, 21,22,23 and 24, baffle, 3, filling block, 31, fluting, 4, packing, 5, preimpregnation Expect tablet, 6, superplasticity diaphragm.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured The concept of invention.
Embodiment one
Fig. 2 is spar mold exploded perspective view provided by the invention.
Fig. 3 is spar mold assembling stereogram provided by the invention.
As shown in Figure 2 and Figure 3, a kind of spar mold is present embodiments provided, the hot diaphragm forming of composite material spar is used for Technique, including:It is molded boss 1, framework 2 and filling block 3.
It is molded boss 1, for carrying out the hot diaphragm forming of spar in hot membrane apparatus, becomes required shape.
Optionally, the cross sectional shape of molding boss 1 is trapezoidal, C-shaped or arc-shaped.
Framework 2 is removably arranged around molding boss 1, is used to form with sizing and by the mold of force effect Frame.
Optionally, the cross section of framework 2 be rectangle, but invention is not limited thereto system, the cross section of framework 2 can also For other shapes.
Optionally, framework 2 includes four baffles 21,22,23 and 24 being detachably connected.
Optionally, four baffles 21,22,23 and 24 are end to end.
Optionally, be connected by bolt and hole between four baffles 21,22,23 and 24 of framework 2, complete assembling with Dismounting.
Optionally, the length of framework 2 and the length of molding boss 1 match.
Filling block 3 is arranged in the space that molding boss 1 is formed with framework 2, and the shape in shape and space matches. The filling of filling block 3 is placed in framework 2 and can not be moved along 1 length and width direction of molding boss.
Optionally, the cross sectional shape of filling block 3 is trapezoidal or rectangle.
Optionally, the section of filling block 3 is right-angled trapezium.
Filling block 3 is integrated molding or subsection setup, and length and the length of molding boss 1 match.
Optionally, filling block 3 is divided to two sections of settings, which is one group, is located at the sky of the side of molding boss 1 In.But system that invention is not limited thereto, the number of fragments of filling block 3 can be adjusted suitably according to actual needs.
Optionally, the number of fragments of the filling block 3 in the space of 1 both sides of molding boss is identical.But the present invention not as Limitation, the number of fragments for being molded the filling block 3 in the space of 1 both sides of boss also can be different, specifically can be appropriate according to actual needs Adjustment.
Fig. 4 is the structural upright schematic diagram of filling block provided by the invention.
Fig. 4 is please referred to, optionally, the upper surface of filling block 3 and its what is contacted with framework 2 be provided with fluting 31 on one side.
Fluting 31 is used to form the handle of fixable spill, convenient to hold filling block 3 in dismounting, improves filling block 3 Installation or removal simple operation, to increase the convenience that uses.But system that invention is not limited thereto, fluting 31 can also It is arranged in other faces or even there is fluting 31 in each face, 31 set-up mode of slotting can be adjusted suitably according to actual needs.
Optionally, the quantity of the fluting 31 of the upper surface of filling block 3 is four, and each two is one group and is located at filling block 3 both ends.
Optionally, the quantity of the fluting 31 for the one side that filling block 3 is contacted with framework 2 is four, and each two is one group of difference Positioned at the both ends of filling block 3.
Optionally, handle fluting 31 is offered on four surfaces of filling block 3 along its length.The handle in each face is opened The quantity of slot 31 is four, and each two is one group of both ends for being located at filling block 3, and two faces open up the purpose of handle fluting 31 It is easy to disassemble, the simple operation of the installation or removal of raising filling block 3.
Wherein, molding boss 1 uses Invar steel or other Steel materials, and according to the spar quasi spline of manufacture, framework 2, Filling block 3,4 material of packing should ensure that and deformed without apparent when routine use without limitation.
In the present embodiment, the upper surface of framework 2, the upper surface of filling block 3 and molding boss 1 passes through frame in same plane Paving platform is collectively formed in body 2, filling block 3 and molding boss 4, it is ensured that the accuracy of prepreg tablet positioning reduces preimpregnation What material tablet movement was brought uncertain influences, it is ensured that prepreg tablet position and moving process in positioning accuracy and Stability.
Specifically, framework 2 is close to firmly be molded boss 1 from the four sides package of molding boss 1 so that molding boss 1 and framework 2 Between form channel-shaped gap, the gap for filling filling block 3,5 paving of prepreg tablet filling block 3 be molded 1 phase of boss In the plane being mutually composed, after paving prepreg tablet 5, prepreg tablet 5 is positioned by filling block 3 so that preimpregnation Material tablet 5 can be entirely transferred at membrane apparatus, i.e., will not be at this point, prepreg tablet 5 and spar mold move integrally Relative movement is generated between spar mold, it can be ensured that accurate positioning of the prepreg tablet 5 on molding boss 1, due to filling It adequately fills to form metastable firm fixation between block 3 and framework 2, it is ensured that filling block 3 can not be along molding boss 1 Length and width direction is moved, and to ensure that, the spar mold and tablet are transferred to membrane apparatus after 5 paving of prepreg tablet Between transport transfer process in prepreg tablet 5 positioning stablity it is accurate, avoid prepreg tablet 5 because outside is mobile may The possibility for causing displacement equations error improves the fixing-stable effect of prepreg tablet 5.
The application method of the spar mold of the present embodiment is introduced with reference to Fig. 2, Fig. 3:
1, spar mold is assembled, specifically, first framework 2 is placed on around molding boss 1, and assembles fixation;Again will Filling block 3 is placed between molding boss 1 and framework 2 and is formed in channel-shaped gap, to form metastable firm fixation;
2, be coated on the platform for the spar mold that group installs lower diaphragm plate (lower diaphragm plate is suitable for double membrane process, if it is single every Membrane process is then not necessarily to be coated with lower diaphragm plate), then paving prepreg tablet 5, prepreg tablet 5 are relied on molding boss 1 with respect to position The positioning of fixed filling block 3 is set, 5 paving of prepreg tablet is completed;
3, the spar mold and prepreg tablet 5 are transferred at membrane apparatus, framework of dismantling successively 2 and filling block 3, are spread It is covered with diaphragm;
4, molding boss 1 carries out the hot diaphragm forming of spar with prepreg tablet 5 in hot membrane apparatus, is formed preforming Body, then preform with molding boss 1 beat after the operations such as bag and is transferred to autoclave completion spar structure curing molding.
Embodiment two
Fig. 5 is the structural upright schematic diagram of packing provided by the invention.
As shown in Fig. 2, Fig. 3, Fig. 5, the present embodiment and embodiment one the difference is that, according to actual conditions, when It is molded in the case of generating gap due to shape difference between boss 1 and filling block 3, which further includes:Packing 4.
Packing 4 is arranged in the gap formed between molding boss 1 and filling block 3, for filling the gap.
Optionally, the upper surface of packing 4 and the upper surface of molding boss 1 are in same plane.
Optionally, packing 4, the upper surface of filling block 3 and framework 2 and bottom surface are flat in sustained height with molding boss 1 Face.
Optionally, packing 4 is integrated molding or subsection setup, and the length of total length and molding boss 1 matches.
Due to the being not fixed property of the boss slope and required shape of molding boss 1, between filling block 3 and molding boss 1 Can inevitably there be the gap of not completely filled adaptation, at this point, being installed into using the filling of packing 4 to match with the gap shape It goes, can solve the problems, such as gap so that perfect between filling block 3 and molding boss 1 to be adapted to, the work mutually to preserve the stable equilibrium Firmly, to realize to the metastable positioning fixed function of further essence of prepreg tablet, further increase craft precision with Quality.
As shown in Fig. 2, since molding boss 1 is according to the spar quasi spline of manufacture, the both ends in upper surface width direction It is typically designed with chamfering or fillet, the chamfering or the size of fillet can change because technique repairs a die during manufacturing spar, It only needs, according to assembling needs, to redesign the cross sectional shape of packing 4 at this time, can effectively ensure to be molded boss 1 and filling block 3 Gap filling, and reduce the cost that repairs a die.
Optionally, the cross sectional shape of molding boss 1 is with chamfering or the trapezoidal of fillet, C-shaped or arc-shaped so that molding Gap is formed between boss 1 and filling block 3.
Optionally, the cross sectional shape of filling block 3 is the trapezoidal or rectangle with chamfering or fillet.Specifically, filling block 3 Chamfering or fillet are located at the position opposite with the chamfering of molding boss 1 or fillet.
Optionally, the shape of packing 4 and the shape in gap match.Gap herein refers to molding boss 1 and filling The gap formed between block 3.
The application method of the spar mold of the present embodiment is introduced with reference to Fig. 2, Fig. 3 and Fig. 5:
1, spar mold is assembled, specifically, first framework 2 is placed on around molding boss 1, and assembles fixation;Again will Filling block 3 is placed between molding boss 1 and framework 2 and is formed in channel-shaped gap, and packing 4 is finally placed on molding boss 1 In the gap formed between filling block 3, to form metastable firm fixation;
2, be coated on the platform for the spar mold that group installs lower diaphragm plate (lower diaphragm plate is suitable for double membrane process, if it is single every Membrane process is then not necessarily to be coated with lower diaphragm plate), then paving prepreg tablet 5, prepreg tablet 5 are relied on molding boss 1 with respect to position It sets fixed filling block 3 and packing 4 positions, complete 5 paving of prepreg tablet;
3, the spar mold and prepreg tablet 5 are transferred at membrane apparatus, framework of dismantling successively 2, filling block 3 and are filled out Item 4 is filled, upper diaphragm is coated with;
4, molding boss 1 carries out the hot diaphragm forming of spar with prepreg tablet 5 in hot membrane apparatus, is formed preforming Body, then preform with molding boss 1 beat after the operations such as bag and is transferred to autoclave completion spar structure curing molding.
Structure, composition and the connection relation of other parts in the present embodiment are identical as embodiment one, and details are not described herein.
The present invention is directed to protect a kind of spar mold, be used for composite material spar hot diaphragm forming technique, by framework, Paving platform is collectively formed in filling block and molding boss, solves prepreg tablet in hot diaphragm forming technique and is positioning and moving There is the problems such as big position error and deformation induced by gravity in the process, reduce the uncertain influence that the movement of prepreg tablet is brought, Ensure that prepreg tablet is positioning and the positioning accuracy and stability in moving process.By being arranged on the surface of filling block Filling block, can be easily put into framework using the handle of spill when assembling use, is torn open by the fluting dished handle of shape The handle of spill can be utilized easily to take out filling block from each side when unloading, increase the convenience that the spar mold uses, It improves work efficiency.Since molding boss is according to the spar quasi spline of manufacture, the both ends in upper surface width direction are usual It is designed with fillet, the fillet size can change because technique repairs a die during manufacturing spar, by being molded boss and filling out Fill the gap setting packing formed between block, it is only necessary to according to assembling needs, redesign packing.The packing is set Meter can effectively ensure the gap filling for being molded boss and filling block, metastable to the further essence of prepreg tablet to realize Positioning is fixed, and to further increase craft precision and quality, while reducing the cost that repairs a die.Meanwhile spar mold of the invention Also have reasonable for structure, the combination of entire mold dismounting mode is rationally easy-to-use, can quickly and effectively form smooth paving face Paving work is carried out, improves work quality, and can quickly and effectively be dismantled after completing process, is formed and is recycled, environmental protection peace The advantages that complete convenient.
It should be understood that the above-mentioned specific implementation mode of the present invention is used only for exemplary illustration or explains the present invention's Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing Change example.

Claims (10)

1. a kind of spar mold is used for the hot diaphragm forming technique of composite material spar, which is characterized in that including:
It is molded boss (1);
Framework (2), it is dismountable to be arranged around the molding boss (1);
Filling block (3) is arranged in the space that the molding boss (1) is formed with the framework (2), shape and the space Shape match, to fill the space;
The upper surface of the framework (2), the upper surface of filling block (3) and the molding boss (1) is in same plane.
2. spar mold according to claim 1, which is characterized in that further include:
Packing (4) is arranged in the gap formed between the molding boss (1) and the filling block (3), for filling this Gap.
3. spar mold according to claim 2, which is characterized in that
The upper surface of the packing (4) is with the upper surface for being molded boss (1) in same plane.
4. spar mold according to claim 2, which is characterized in that
The packing (4) is integrated molding or subsection setup, and total length and the length of the molding boss (1) match.
5. according to the spar mold described in any one of claim 1-4, which is characterized in that
The framework (2) includes four baffles (21,22,23 and 24) being detachably connected.
6. according to the spar mold described in any one of claim 1-4, which is characterized in that
The length of the framework (2) and the length of the molding boss (1) match.
7. according to the spar mold described in any one of claim 1-4, which is characterized in that
The upper surface of the filling block (3) and its what is contacted with the framework (2) be provided with fluting (31) on one side.
8. spar mold according to claim 7, which is characterized in that
The quantity of the fluting (31) of the upper surface of the filling block (3) is four, and each two is one group and is located at the filling The both ends of block (3);And/or
The quantity of the fluting (31) for the one side that the filling block (3) contacts with the framework (2) is four, and each two is a component Not Wei Yu the filling block (3) both ends.
9. according to the spar mold described in any one of claim 1-4, which is characterized in that
The filling block (3) is integrated molding or subsection setup, and length and the length of the molding boss (1) match.
10. spar mold according to claim 9, which is characterized in that
The filling block (3) is divided to two sections of settings, which is one group, is located at the side of the molding boss (1) In space.
CN201810187099.9A 2018-03-07 2018-03-07 Spar mould Active CN108327320B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810187099.9A CN108327320B (en) 2018-03-07 2018-03-07 Spar mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810187099.9A CN108327320B (en) 2018-03-07 2018-03-07 Spar mould

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Publication Number Publication Date
CN108327320A true CN108327320A (en) 2018-07-27
CN108327320B CN108327320B (en) 2020-05-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113561455A (en) * 2020-04-29 2021-10-29 中国商用飞机有限责任公司 Method for positioning plane material sheet in hat-shaped stringer thermal diaphragm process

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