CN105584056A - Combined anti-impact structure of rotor made from composite material, as well as preparation device and preparation method thereof - Google Patents
Combined anti-impact structure of rotor made from composite material, as well as preparation device and preparation method thereof Download PDFInfo
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- CN105584056A CN105584056A CN201511001476.8A CN201511001476A CN105584056A CN 105584056 A CN105584056 A CN 105584056A CN 201511001476 A CN201511001476 A CN 201511001476A CN 105584056 A CN105584056 A CN 105584056A
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- aramid fiber
- layer
- roll coater
- roll
- revolving body
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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
- B29C70/30—Shaping 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
- B29C70/32—Shaping 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 on a rotating mould, former or core
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a combined anti-impact structure of a rotor made from a composite material, as well as a preparation device and a preparation method thereof. The combined anti-impact structure comprises a metal thin-walled cylinder, an inner-side aramid fibre wrapped layer and an outer-side aramid fibre wrapped layer which are sequentially coated and fixed from the inside to the outside, wherein resin is infiltrated on the inner-side aramid fibre wrapped layer at intervals to enable the inner-side aramid fibre wrapped layer to be of a partially hollow structure, and the resin is uniformly infiltrated on the outer-side aramid fibre wrapped layer. According to the invention, on the basis of the existing structure of a rotor made from a composite material, the resin is infiltrated on the aramid fibre layers according to a certain rule, thus the partially hollow structure is formed; and due to the structure, on the basis of furthest reducing the weight of the structure, the thickness of the rotor is increased, the advantages of high toughness and high energy absorption performance of the aramid fibre layers are kept, and the anti-impact performance of the rotor made from the composite material is enhanced. Meanwhile, the combined anti-impact structure disclosed by the invention is capable of remarkably increasing the connection strength among the inner-side metal thin wall, the aramid fibre layers, and the outer-side composite material layer of the rotor made from the composite material, and high in fibre location performance.
Description
Technical field
The present invention relates to technical field prepared by composite, relate in particular to a kind of composite revolving body and technical process thereof that adopts the Wrapping formed preparation of special interruption gum dipping process method, specifically, be a kind of composite revolving body Combined impact structure and preparation facilities and method.
Background technology
Revolving body member, as common member in the structures such as aerospace flight vehicle, in use, is very easily subject to the impact injurys such as flying bird, ice cube, tire debris and himself structural break fragment. Composite is because of advantages such as its specific strength are large, specific stiffness is high, designability is good, anti-fatigue performance is good, shock resistance is good, and substituted metal material becomes the turn last time main material of preparing of member of aerospace structure gradually. At present, rotary structure mainly comprises that all-metal type, metal and composite are combined, full composite material type. Wherein metal and composite combined structure are because it is lightweight, shock resistance is good, preparation technology simply becomes revolving body member preferred material.
But the combined rotary structure thinner thickness of existing metal and composite, impact resistance is limited, if increase thickness, weight will increase thereupon, and the thicker composite of outside need protects it and fix, and has more increased weight. Therefore, need the good rotary structure of a kind of shock resistance of exploitation badly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of not increasing on construction weight basis, increase the thickness of composite revolving body, strengthened composite revolving body Combined impact structure and preparation facilities and the method for the shock resistance of composite revolving body.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Composite revolving body Combined impact structure, wherein: comprise by the metal thin-wall cylindrical shell being coated and fixed successively outside interior, inner side aramid fiber swathe layer and outside aramid fiber swathe layer, inner side aramid fiber swathe the upper interval of layer infiltrate a resin make inside aramid fiber swathe and layer there is part hollow structure, outside aramid fiber swathes a layer upper homogeneous immersion resin.
For optimizing technique scheme, the concrete measure of taking also comprises:
The material of metal thin-wall cylindrical shell is aluminium alloy or titanium alloy.
Inner side aramid fiber is swathed to the material that layer and outside aramid fiber swathe layer and replace with carbon fibre material by aramid fiber material.
Resin is high tenacity, High temp. epoxy resins.
The preparation facilities of composite revolving body Combined impact structure, comprise aramid fiber roller, be interrupted roll coater, continuous dip rubber roll and metal core, silvalin one end is on aramid fiber roller, the other end is through drawing guide roller on metal core, being interrupted roll coater and continuous dip rubber roll is all arranged between aramid fiber roller and metal core, being interrupted roll coater can be to silvalin discontinuous gluing, and continuous dip rubber roll can be to silvalin continuous gluing.
Continuous dip rubber roll place is provided with glue groove, in glue groove, holds resin adhesive liquid, and resin adhesive liquid is immersed in continuous dip rubber roll bottom, and top contacts with silvalin.
Being interrupted roll coater is seepage hole roll coater, seepage hole roll coater is made up of central shaft, roll body and storage glue groove, central shaft drives roll body to rotate, storage glue groove is positioned at roll body inner side and stores resin adhesive liquid, roll body is made up of spaced strike-through layer with holes and solid layer, and strike-through layer with holes can penetrate resin adhesive liquid, in seepage hole roll coater rotary course, strike-through layer energy with holes compartment of terrain contact silvalin, and resin adhesive liquid is spread upon on silvalin.
Being interrupted roll coater is boss roll coater, the impregnation boss that boss roll coater is arranged by breast roll and several gap forms, the container that holds resin adhesive liquid is placed in boss roll coater bottom, in boss roll coater rotary course, impregnation boss top can be stretched into container and immerse glue, then rotate to peak and contact with silvalin, make resin infiltrate silvalin.
The preparation method of composite revolving body Combined impact structure, comprises the following steps:
Step 1: adopt metal stamping processing method machining composite material revolving body interior metal layer;
Step 2: metal level, on core central shaft, is prepared to fibrolaminar metal core as being wound around;
Step 3: resin adhesive liquid used is added in glue groove, and heating, regulate temperature to obtain being applicable to the resin viscosity of winding;
Step 4: aramid fiber yarn, through guiding carry-over pinch rolls, interruption roll coater, is fixed on to metal core and is wound around initial point position;
Step 5: according to designing requirement, winding mandrel is set, is interrupted roll coater rotating speed, make aramid fiber yarn be interrupted impregnation, carry out inner side aramid fiber simultaneously and swathe layer winding;
Step 6: when aramid fiber is wound into last several layers, stop being interrupted roll coater and rotate, and make the impregnation end that is interrupted roll coater not contact silvalin;
Step 7: make the running of continuous dip rubber roll, continuous impregnation when aramid fiber yarn contacts with it, the outside aramid fiber of preparing even impregnation swathes layer;
Step 8: the composite revolving body fabricated structure that winding is completed is solidified in autoclave, forms composite revolving body Combined impact structure.
Be interrupted the rotating speed of roll coater and the rotating speed of winding mandrel and winding direction by change, can control inner side aramid fiber and swathe the resin arrangement in layer.
Compared with prior art, the present invention has the following advantages:
(1) be distributed in resin and the aramid fiber layer forming section hollow structure of fibrage inside, this structure is alleviating on construction weight basis to greatest extent, increase the thickness of composite revolving body, and keep aramid fiber floor height toughness, advantage that energy absorption is good, strengthened the shock resistance of composite revolving body.
(2) can significantly improve inside composite revolving body metal thin-wall and aramid fiber layer and composite layer by layer between bonding strength, position fibers performance is good.
(3) be interrupted the rotating speed of roll coater and the rotating speed of winding mandrel and winding direction by change, swathe the inner different arrangement of layer (unidirectional, intersection and different α angles) to obtain resin at aramid fiber, to adapt to different force environments, structure has designability.
Brief description of the drawings
Fig. 1 is composite revolving body Combined impact structural section schematic diagram;
Fig. 2 is that resin swathes the inner unidirectional arrangement mode of layer at aramid fiber;
Fig. 3 is that resin swathes a layer internal chiasma arrangement mode at aramid fiber;
Fig. 4 is that boss roll coater is interrupted the process schematic representation that impregnation winding process method is prepared composite revolving body;
Fig. 5 is boss roll coater structural representation;
Fig. 6 is that seepage hole roll coater is interrupted the process schematic representation that impregnation winding process method is prepared composite revolving body;
Fig. 7 is seepage hole roll coater structural representation.
Number in the figure title: 1, metal thin-wall cylindrical shell, 2, inner side aramid fiber swathes layer, 3, outside aramid fiber swathes layer, 4, resin, 5, metal core, 6, aramid fiber yarn, 7, traction guide roller, 8, continuous dip rubber roll, 9, boss roll coater, 10, glue groove, 11, resin adhesive liquid, 12, aramid fiber roller, 13, breast roll, 14, impregnation boss, 15, seepage hole roll coater, 16, strike-through layer with holes, 17, solid layer, 18, central shaft, 19, storage glue groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated.
The first embodiment:
Composite revolving body Combined impact structure, wherein: comprise by the metal thin-wall cylindrical shell 1 being coated and fixed successively outside interior, inner side aramid fiber swathe layer 2 and outside aramid fiber swathe layer 3, inner side aramid fiber swathes on layer 2 interval and infiltrates resin and make inner side aramid fiber swathe layer 2 to have part hollow structure, and outside aramid fiber swathes homogeneous immersion resin on layer 3.
The material of metal thin-wall cylindrical shell 1 is aluminium alloy.
Resin is high tenacity, High temp. epoxy resins.
The preparation facilities of composite revolving body Combined impact structure, comprise aramid fiber roller 12, be interrupted roll coater, continuous dip rubber roll 8 and metal core 5, silvalin 6 one end are on aramid fiber roller 12, the other end is through drawing guide roller on metal core 5, being interrupted roll coater and continuous dip rubber roll 8 is all arranged between aramid fiber roller 12 and metal core 5, being interrupted roll coater can be to silvalin 6 discontinuous gluing, and continuous dip rubber roll 8 can be to silvalin 6 continuous gluings.
Continuous dip rubber roll 8 places are provided with glue groove 10, hold resin adhesive liquid 11 in glue groove 10, and resin adhesive liquid 11 is immersed in continuous dip rubber roll 8 bottoms, and top contacts with silvalin 6.
Being interrupted roll coater is seepage hole roll coater 15, seepage hole roll coater 15 is made up of central shaft 18, roll body and storage glue groove 19, central shaft 18 drives roll body to rotate, storage glue groove 19 is positioned at roll body inner side and stores resin adhesive liquid, roll body is made up of spaced strike-through layer 16 with holes and solid layer 17, and strike-through layer 16 with holes can penetrate resin adhesive liquid, in seepage hole roll coater 15 rotary courses, strike-through layer 16 with holes can contact silvalin 6 in compartment of terrain, and resin adhesive liquid is spread upon on silvalin 6.
The preparation method of composite revolving body Combined impact structure, comprises the following steps:
Step 1: adopt metal stamping processing method machining composite material revolving body interior metal layer, material is AL6060-T6 aluminium alloy;
Step 2: metal level is placed on core central shaft, as being wound around the fibrolaminar metal core 5 of preparation;
Step 3: high tenacity High temp. epoxy resins glue used is added in glue groove 10, and heating (60 DEG C), regulate temperature to obtain being applicable to the resin viscosity of winding;
Step 4: aramid fiber yarn 6, through guiding carry-over pinch rolls 7, seepage hole roll coater 15, is fixed on to metal core 5 and is wound around initial point position;
Step 5: according to designing requirement, winding mandrel 5, seepage hole roll coater 15 rotating speeds are set, make aramid fiber yarn 6 be interrupted impregnation, carry out the winding of aramid fiber layer simultaneously;
Step 6: in the time that aramid fiber is wound around 65 layers, stops seepage hole roll coater 15 and rotate, and make not impregnation end in contact silvalin 6;
Step 7: open the rotating shaft of continuous dip rubber roll, continuous impregnation when aramid fiber yarn 6 is contacted with it, the outside aramid fiber of preparing even impregnation swathes layer, totally 2 layers;
Step 8: the composite revolving body Combined impact structure that winding is completed is solidified in autoclave, and solidifying pressure is 1.0MPa, 180 DEG C, 2h.
Be interrupted the rotating speed of roll coater and rotating speed and the winding direction of winding mandrel 5 by change, can control inner side aramid fiber and swathe the resin arrangement in layer 2. The present embodiment is the unidirectional laying (as shown in Figure 2) of α angle.
The second embodiment:
Change the material of the metal thin-wall cylindrical shell 1 in the first embodiment into titanium alloy.
Inner side aramid fiber is swathed to layer 2 and outside aramid fiber to be swathed layer 3 material and replaces with carbon fibre material by aramid fiber material.
Change interruption roll coater into boss roll coater 9, the impregnation boss 14 that boss roll coater 9 is arranged by breast roll 13 and several gap forms, the container that holds resin adhesive liquid is placed in boss roll coater 9 bottoms, in boss roll coater 9 rotary courses, impregnation boss 14 tops can be stretched into container and immerse glue, then rotate to peak and contact with silvalin 6, make resin infiltrate silvalin 6.
The present embodiment is by changing the winding direction of winding mandrel 5, controls inner side aramid fiber and swathes resin in layer 2 and be staggered form and arrange (as shown in Figure 3).
Do not state part with the first embodiment.
Below be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (10)
1. composite revolving body Combined impact structure, it is characterized in that: comprise that swathing layer (2) and outside aramid fiber by the metal thin-wall cylindrical shell (1), the inner side aramid fiber that are coated and fixed successively outside interior swathes layer (3), described inner side aramid fiber swathes the upper interval of layer (2) and infiltrates resin and make inner side aramid fiber swathe layer (2) to have part hollow structure, and described outside aramid fiber swathes the upper homogeneous immersion resin of layer (3).
2. composite revolving body Combined impact structure according to claim 1, is characterized in that: the material of described metal thin-wall cylindrical shell (1) is aluminium alloy or titanium alloy.
3. composite revolving body Combined impact structure according to claim 1, is characterized in that: inner side aramid fiber is swathed to the material that layer (2) and outside aramid fiber swathe layer (3) and replace with carbon fibre material by aramid fiber material.
4. composite revolving body Combined impact structure according to claim 1, is characterized in that: described resin is high tenacity, High temp. epoxy resins.
5. the preparation facilities of composite revolving body Combined impact structure, it is characterized in that: comprise aramid fiber roller (12), be interrupted roll coater, continuous dip rubber roll (8) and metal core (5), silvalin (6) one end is on described aramid fiber roller (12), the other end is through drawing guide roller on metal core (5), described interruption roll coater and continuous dip rubber roll (8) are all arranged between aramid fiber roller (12) and metal core (5), described interruption roll coater can be to silvalin (6) discontinuous gluing, described continuous dip rubber roll (8) can be to silvalin (6) continuous gluing.
6. the preparation facilities of composite revolving body Combined impact structure according to claim 5, it is characterized in that: described continuous dip rubber roll (8) locates to be provided with glue groove (10), in described glue groove (10), hold resin adhesive liquid (11), resin adhesive liquid (11) is immersed in described continuous dip rubber roll (8) bottom, and top contacts with silvalin (6).
7. the preparation facilities of composite revolving body Combined impact structure according to claim 6, it is characterized in that: described interruption roll coater is seepage hole roll coater (15), described seepage hole roll coater (15) is by central shaft (18), roll body and storage glue groove (19) composition, described central shaft (18) drives roll body to rotate, storage glue groove (19) is positioned at roll body inner side and stores resin adhesive liquid, described roll body is made up of spaced strike-through layer with holes (16) and solid layer (17), strike-through layer with holes (16) can penetrate resin adhesive liquid, in seepage hole roll coater (15) rotary course, strike-through layer with holes (16) can contact silvalin (6) in compartment of terrain, and resin adhesive liquid is spread upon on silvalin (6).
8. the preparation facilities of composite revolving body Combined impact structure according to claim 6, it is characterized in that: described interruption roll coater is boss roll coater (9), the impregnation boss (14) that described boss roll coater (9) is arranged by breast roll (13) and several gap forms, the container that holds resin adhesive liquid is placed in described boss roll coater (9) bottom, in boss roll coater (9) rotary course, impregnation boss (14) top can be stretched into container and immerse glue, then rotating to peak contacts with silvalin (6), make resin infiltrate silvalin (6).
9. the preparation method of composite revolving body Combined impact structure, is characterized in that: comprise the following steps:
Step 1: adopt metal stamping processing method machining composite material revolving body interior metal layer;
Step 2: metal level, on core central shaft, is prepared to fibrolaminar metal core (5) as being wound around;
Step 3: resin adhesive liquid used (11) is added in glue groove (10), and heating, regulate temperature to obtain being applicable to the resin viscosity of winding;
Step 4: aramid fiber yarn (6), through guiding carry-over pinch rolls (7), interruption roll coater, is fixed on to metal core (5) and is wound around initial point position;
Step 5: according to designing requirement, winding mandrel (5) is set, is interrupted roll coater rotating speed, make aramid fiber yarn (6) be interrupted impregnation, carry out inner side aramid fiber simultaneously and swathe layer (2) winding;
Step 6: when aramid fiber is wound into last several layers, stop being interrupted roll coater and rotate, and make the impregnation end that is interrupted roll coater not contact silvalin (6);
Step 7: make continuous dip rubber roll (8) running, continuous impregnation when aramid fiber yarn (6) contacts with it, the outside aramid fiber of preparing even impregnation swathes layer (3);
Step 8: the composite revolving body fabricated structure that winding is completed is solidified in autoclave, forms composite revolving body Combined impact structure.
10. the preparation method of composite revolving body Combined impact structure according to claim 9, it is characterized in that: be interrupted the rotating speed of roll coater and rotating speed and the winding direction of winding mandrel (5) by change, can control inner side aramid fiber and swathe the resin arrangement in layer (2).
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Cited By (7)
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| CN106592111A (en) * | 2017-01-16 | 2017-04-26 | 宿迁圣力佳合体育用品有限公司 | Carbon fiber cloth loom and weaving method thereof |
| CN106938509A (en) * | 2017-05-18 | 2017-07-11 | 大连日瑞铸模有限公司 | A kind of compound resin metal die and preparation method thereof |
| CN107253330A (en) * | 2017-06-07 | 2017-10-17 | 中国电子科技集团公司第三十八研究所 | A kind of preparation method of carbon fiber waveguide |
| CN107718721A (en) * | 2016-08-11 | 2018-02-23 | 绍凯国际股份有限公司 | The manufacture method of compound carbon fiber product |
| CN111716587A (en) * | 2019-03-20 | 2020-09-29 | 长春设备工艺研究所 | Constant-temperature impregnation device for winding composite material fibers |
| CN113320151A (en) * | 2021-06-08 | 2021-08-31 | 广西民族大学 | 3D printing head and printing method of continuous fiber reinforced resin composite material |
| CN113844061A (en) * | 2021-08-31 | 2021-12-28 | 中航复合材料有限责任公司 | RTM (resin transfer molding) process method for unidirectional fiber yarn composite material plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113320151A (en) * | 2021-06-08 | 2021-08-31 | 广西民族大学 | 3D printing head and printing method of continuous fiber reinforced resin composite material |
| CN113844061A (en) * | 2021-08-31 | 2021-12-28 | 中航复合材料有限责任公司 | RTM (resin transfer molding) process method for unidirectional fiber yarn composite material plate |
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| CN105584056B (en) | 2017-08-29 |
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