CN104401013A - Framework type tooling for molding composite material product autoclave - Google Patents
Framework type tooling for molding composite material product autoclave Download PDFInfo
- Publication number
- CN104401013A CN104401013A CN201410568882.1A CN201410568882A CN104401013A CN 104401013 A CN104401013 A CN 104401013A CN 201410568882 A CN201410568882 A CN 201410568882A CN 104401013 A CN104401013 A CN 104401013A
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- China
- Prior art keywords
- profile
- waling
- cross reinforcing
- temperature monitoring
- composite material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention discloses a framework type tooling for molding a composite material product autoclave; longitudinal reinforcement ribs and transverse reinforcement ribs are in cross connection, and are welded with a molded surface to form an integrated framework structure; the bottom of the longitudinal reinforcement ribs and the bottom of the transverse reinforcement ribs are fixedly welded with a bottom flat plate; four corner edges of the molded surface are each provided with a processing and testing datum hole of a process device, and both sides of the framework are each fixed with a hanging device; a suction nozzle is located in a central axis of both ends of the molded surface, and a suction pipe is connected with the suction nozzle and forms a pressurized gas pumping system with a suction connector; the bottom surface area of the molded surface is provided with a plurality of temperature sensors, and the temperature sensors are connected with temperature monitoring connectors by wires to form a temperature monitoring system. The surface smoothness of the tooling molded surface is good, air tightness and manufacturability are good, the service life is long, the deformation is small, temperature rising and dropping are uniform when the tooling is used in the autoclave, the tooling has good thermal conductivity and thermal stability and meets the process technology requirements of the composite material product autoclave molding, and the quality of the molded composite material product is stable and reliable.
Description
Technical field
The invention belongs to equipment Technology field in aviation, specifically, relate to a kind of frame-type technological equipment structure for composite product autoclave molding.
Background technology
The good characteristics such as the electromagnetic penetration performance that the designability of composite is strong, lightweight, specific strength is high, corrosion-resistant and unique, make it be widely used in Aerospace Products structure member, and the motion structure parts such as automobile, train, naval vessel.Special moulding process equipment must be used to ensure that Material cladding process and product forming process complete simultaneously because composite product is shaping, any processing is not remake after product is shaping, its internal structure, mechanical property just can reach product design requirement, and surface quality, appearance and size can meet assembly coordination requirement.Therefore, the quality of moulding process equipment plays decisive role to the profile of composite product and internal soundness.
Composite product in aeronautical product, owing to having higher performance requirement, all adopts autoclave technique to be cured shaping usually.Composite product requires below shaping demand fulfillment in autoclave: article surface pressure uniform, and product profile each point temperature is consistent, and intensification lowering temperature uniform.The basic demand of composite product autoclave forming process equipment: technological equipment material should match with composite product thermal coefficient of expansion, good heat conductivity and heat endurance, Rigidity and strength that moulding surface structure air-tightness is good, enough, lightweight etc.The moulding process equipment thermal coefficient of expansion of tradition cast aluminum construction is comparatively large, and processed surface smoothness is poor, and air-tightness is poor; The moulding process equipment of composite structure, cost is higher, and service life is shorter.
In patent CN202343799U, disclose one " composite material beam class wallboard class forming frock ", adopt square steel Welding Structure as the support frame structure of frock, frame structure is made up of equally spaced crossbeam, vertical beam and diagonal brace, and ventilation effect is good.But size and the square steel two ends butted part shape of each crossbeam, vertical beam and diagonal brace part square steel structure differ, process loaded down with trivial details, welding job is complicated, and do not relate to composite material forming necessary take out compressed-air system and the forming temperature detection system for composite material shaping process quality control.
Summary of the invention
In order to avoid the deficiency that prior art exists, the present invention proposes a kind of frame-type frock for composite product autoclave molding.This technological equipment had both had the thermal coefficient of expansion comparatively close with composite product, and good heat conductivity and heat endurance have again enough Rigidity and strengths, and better economy; Meanwhile, this technological equipment also possess meet composite plys needs take out compressed-air system and the temperature monitoring system for characterization processes equipment profile temperature in composite product forming process.
The technical solution adopted for the present invention to solve the technical problems is: comprise profile, waling, cross reinforcing, base platform, erecting by overhang, datum hole, air exhaust nozzle, exhaust tube, exhaust tube joint, temperature sensor, wire, temperature monitoring joint, waling and cross reinforcing interconnection, profile and waling, cross reinforcing welding forms frame structure, waling and cross reinforcing are fixedly welded in base platform, four erectings by overhang are uniform is fixed on framework both sides, datum hole is positioned at edge, corner in profile, air exhaust nozzle is positioned at the two ends of profile, and on same axis, exhaust tube is connected with air exhaust nozzle, and formed with the exhaust tube joint being positioned at frame sides and take out compressed-air system, profile base surface area is provided with multiple temperature sensor, temperature sensor and temperature monitoring joint are connected to form temperature monitoring system by wire.
Described waling and described cross reinforcing are many, and waling and cross reinforcing are distributed with the serial lightening core organizing regular shape according to locus more.
Beneficial effect
The frame-type technological equipment for composite product autoclave molding that the present invention proposes, its waling and cross reinforcing interconnection, and form general frame structure with profile by welding, weld with base platform bottom waling and cross reinforcing; Solve heat conductivity and the heat endurance of cast aluminum construction, square steel Welding Structure and composite structure technological equipment.Profile is arranged the processing detection reference hole of technological equipment, be welded with erecting by overhang according to technological equipment position of centre of gravity in frame structure both sides; Technological equipment have be made up of air exhaust nozzle, exhaust tube and exhaust tube joint take out compressed-air system, and the temperature monitoring system be made up of temperature sensor, wire and temperature monitoring joint.
The present invention is used for the frame-type frock of composite product autoclave molding, and profile surface fineness is good, and air-tightness is good, long service life, deformation is little, good manufacturability, intensification lowering temperature uniform when using in autoclave, has good heat conductivity and heat endurance, and ventilation effect is good.Frame-type frock meets the process specifications of composite product autoclave molding, and shaping composite product steady quality is reliable.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, a kind of frame-type frock for composite product autoclave molding of the present invention is described in further detail.
Fig. 1 is the frame-type tool structure schematic diagram of the present invention for composite product autoclave molding.
Fig. 2 is the partial enlarged drawing of frame-type frock of the present invention.
Fig. 3 is waling and the cross reinforcing structural representation of frame-type frock of the present invention.
In figure:
1 profile 2. datum hole 3. waling 4. cross reinforcing 5. base platform 6. erecting by overhang 7. air exhaust nozzle 8. exhaust tube 9. exhaust tube joint 10. temperature sensor 11. wire 12. temperature monitoring joint
Detailed description of the invention
The present embodiment is a kind of frame-type frock for composite product autoclave molding.
Consult Fig. 1, Fig. 2, Fig. 3, the present embodiment is used for the frame-type technological equipment of composite product autoclave molding, is made up of profile 1, waling 3, cross reinforcing 4, base platform 5, erecting by overhang 6, datum hole 2, air exhaust nozzle 7, exhaust tube 8, exhaust tube joint 9, temperature sensor 10, wire 11, temperature monitoring joint 12.Waling 3 and cross reinforcing 4 interconnection, profile 1 is welded with waling 3, cross reinforcing 4 and is formed frame structure; Waling 3 and cross reinforcing 4 are fixedly welded in base platform 5, four erectings by overhang 6 are uniform is fixed on framework both sides, datum hole 2 is arranged on the edge, corner in profile 1, air exhaust nozzle 7 is fixed on the two ends of profile 1, and on same axis, exhaust tube 8 is fixedly connected with air exhaust nozzle 7, and exhaust tube 8 other end is connected to form with the exhaust tube joint 9 being positioned at frame sides and takes out compressed-air system.Profile 1 base surface area is provided with multiple temperature sensor 10, and temperature sensor 10 and temperature monitoring joint 12 are connected to form temperature monitoring system by wire 11.
In the present embodiment, waling 3 and cross reinforcing 4 are many, are distributed with the serial lightening core organizing regular shape on waling 3 and on cross reinforcing 4 according to locus more; Ventilation effect is good.
Each parts implementation process:
In the present embodiment, profile 1 material is steel plate, plate bending process is adopted to obtain the blahk structure of profile, after then adopting plurality of steel plates curved by residing position surface curvature plate for deep camber profile, the blahk structure of whole profile is spliced to form by welding, meanwhile, the weld seam of splicing should meet the air-tightness requirement of technological equipment profile 1.The profile 1 of technological equipment is obtained eventually through digital control processing mode.
The datum hole of frock is set at technological equipment profile 1 four jiaos of marginal positions, and installs lining additional to ensure positional precision and the dimension precision requirement of datum hole, to meet the needs of technological equipment Surface inspection and later stage maintenance and inspection.
Waling 3 and cross reinforcing 4 material are steel plate, and steel plate adopts the profile profile of Numeric Control Technology processing reinforcement, crossed grooves and lightening core, to reach the requirement that whole frame structure ensures its strength and stiffness while alleviating construction weight.Finally profile 1, waling 3, cross reinforcing 4 are fixed together the frame structure forming whole frock by welding manner, and by the welding stress repeatedly between heat treatment elimination three and machining stress.
Base platform 5 is fixedly welded with the bottom of waling 3 and cross reinforcing 4, to support whole frame structure and to ensure the planarity requirements of its bottom surface, and the buckling deformation preventing whole frame structure when placing because bottom surface injustice causes.
Erecting by overhang 6 is according to technological equipment position of centre of gravity, calculates and obtains the horizontal sling point position in technological equipment center of gravity both sides, adopts standard component suspension ring or erecting by overhang 6 to be fixedly connected with by Type of Welding, to meet the requirement that whole technological equipment moves, transports.
Take out compressed-air system and comprise air exhaust nozzle 7, exhaust tube 8, exhaust tube joint 9, at position, technological equipment profile both sides of the edge, air exhaust nozzle 7 is set, exhaust tube 8 is connected with air exhaust nozzle 7, and be fixedly connected with the exhaust tube joint being positioned at frame sides, in laying process, take out pressure request to meet composite product.When operation equipment carries out composite product paving, first material prepreg is carried out paving by product requirement, then airfelt and sealing bag is placed, finally utilize the compressed-air system of taking out of technological equipment to be taken away by the air in sealing bag, utilize atmospheric pressure by the composite compacting of multilayer and reach product design requirement.
Temperature monitoring system is made up of temperature sensor 10, wire 11 and temperature monitoring joint 12, arranges multiple temperature sensor 10 in profile 1 base surface area, and temperature sensor 10 is connected to formation temperature monitoring system on temperature monitoring joint 12 by wire 11.When using autoclave to carry out heat-pressure curing to composite products, the temperature monitoring system of technological equipment can access autoclave temperature monitoring system easily, monitor the intensification of the zones of different of technological equipment profile in composite product forming process, insulation and cooling situation, to guarantee the Forming Quality of composite product.
Claims (2)
1. the frame-type frock for composite product autoclave molding, it is characterized in that: comprise profile, waling, cross reinforcing, base platform, erecting by overhang, datum hole, air exhaust nozzle, exhaust tube, exhaust tube joint, temperature sensor, wire, temperature monitoring joint, waling and cross reinforcing interconnection, profile and waling, cross reinforcing welding forms frame structure, waling and cross reinforcing are fixedly welded in base platform, four erectings by overhang are uniform is fixed on framework both sides, datum hole is positioned at edge, corner in profile, air exhaust nozzle is positioned at the two ends of profile, and on same axis, exhaust tube is connected with air exhaust nozzle, and formed with the exhaust tube joint being positioned at frame sides and take out compressed-air system, profile base surface area is provided with multiple temperature sensor, temperature sensor and temperature monitoring joint are connected to form temperature monitoring system by wire.
2. the frame-type frock for composite product autoclave molding according to claim 1, it is characterized in that: described waling and described cross reinforcing are many, waling and cross reinforcing are distributed with the serial lightening core organizing regular shape according to locus more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568882.1A CN104401013A (en) | 2014-10-23 | 2014-10-23 | Framework type tooling for molding composite material product autoclave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568882.1A CN104401013A (en) | 2014-10-23 | 2014-10-23 | Framework type tooling for molding composite material product autoclave |
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| Publication Number | Publication Date |
|---|---|
| CN104401013A true CN104401013A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410568882.1A Pending CN104401013A (en) | 2014-10-23 | 2014-10-23 | Framework type tooling for molding composite material product autoclave |
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| CN (1) | CN104401013A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139439A (en) * | 2017-07-14 | 2017-09-08 | 邢台华威汽车内饰有限公司 | Car ceiling heat pressing and molding mold and its forming method |
| CN107265835A (en) * | 2017-08-03 | 2017-10-20 | 广西鑫德利科技股份有限公司 | Save the underframe and energy-conservation hot-bending machine of hot-bending machine |
| CN107378416A (en) * | 2017-07-04 | 2017-11-24 | 西安飞机工业（集团）有限责任公司 | One kind foaming aluminum die and its manufacture method |
| FR3055572A1 (en) * | 2016-09-08 | 2018-03-09 | Nimitech Innovation | HIGH THERMAL STABILITY MOLDING DEVICE FOR PRODUCING COMPOSITE MATERIAL PARTS |
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
| CN112549582A (en) * | 2020-11-03 | 2021-03-26 | 江西昌河航空工业有限公司 | Large foam interlayer part forming device and forming method |
| CN114030203A (en) * | 2021-11-08 | 2022-02-11 | 北京航空航天大学 | Tooling for manufacturing aeroengine composite material fan blade body characteristic part |
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| CN103158264A (en) * | 2011-12-10 | 2013-06-19 | 西安龙德科技发展有限公司 | Temperature control system of autoclave |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3055572A1 (en) * | 2016-09-08 | 2018-03-09 | Nimitech Innovation | HIGH THERMAL STABILITY MOLDING DEVICE FOR PRODUCING COMPOSITE MATERIAL PARTS |
| CN107378416A (en) * | 2017-07-04 | 2017-11-24 | 西安飞机工业（集团）有限责任公司 | One kind foaming aluminum die and its manufacture method |
| CN107139439A (en) * | 2017-07-14 | 2017-09-08 | 邢台华威汽车内饰有限公司 | Car ceiling heat pressing and molding mold and its forming method |
| CN107139439B (en) * | 2017-07-14 | 2023-05-30 | 邢台华威汽车内饰有限公司 | Car roof hot-press forming die and forming method thereof |
| CN107265835A (en) * | 2017-08-03 | 2017-10-20 | 广西鑫德利科技股份有限公司 | Save the underframe and energy-conservation hot-bending machine of hot-bending machine |
| CN107265835B (en) * | 2017-08-03 | 2023-11-07 | 广西鑫德利科技有限责任公司 | Underframe of energy-saving hot bending machine and energy-saving hot bending machine |
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
| CN112549582A (en) * | 2020-11-03 | 2021-03-26 | 江西昌河航空工业有限公司 | Large foam interlayer part forming device and forming method |
| CN114030203A (en) * | 2021-11-08 | 2022-02-11 | 北京航空航天大学 | Tooling for manufacturing aeroengine composite material fan blade body characteristic part |
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Application publication date: 20150311 |
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