CN104827970A - Automobile rearview mirror and manufacturing method thereof - Google Patents
Automobile rearview mirror and manufacturing method thereof Download PDFInfo
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- CN104827970A CN104827970A CN201510244605.XA CN201510244605A CN104827970A CN 104827970 A CN104827970 A CN 104827970A CN 201510244605 A CN201510244605 A CN 201510244605A CN 104827970 A CN104827970 A CN 104827970A
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- carbon fiber
- rearview mirror
- optical glass
- automobile rearview
- resin
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- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 78
- 239000004917 carbon fiber Substances 0.000 claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000005304 optical glass Substances 0.000 claims abstract description 45
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 57
- 229910052799 carbon Inorganic materials 0.000 claims description 57
- 229920005989 resin Polymers 0.000 claims description 44
- 239000011347 resin Substances 0.000 claims description 44
- 239000011521 glass Substances 0.000 claims description 25
- 238000007711 solidification Methods 0.000 claims description 21
- 230000008023 solidification Effects 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005269 aluminizing Methods 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000123 paper Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000004643 cyanate ester Substances 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 7
- 239000005357 flat glass Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001721 transfer moulding Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000005238 degreasing Methods 0.000 claims description 4
- 229920006332 epoxy adhesive Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003384 imaging method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 52
- 239000004745 nonwoven fabric Substances 0.000 description 21
- 238000005516 engineering process Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 11
- 239000012790 adhesive layer Substances 0.000 description 7
- 208000020442 loss of weight Diseases 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
-
- 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
- B29C70/40—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
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Multimedia (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention provides an automobile rearview mirror and a manufacturing method thereof. The automobile rearview mirror consists of a carbon fiber composite material plate with a sandwich structure, and an ultrathin optical glass lens. Under the condition of equal thickness, the rearview lens structure with the innovative design has a lightening effect, and the system load also can be lowered greatly. Meanwhile, the adopted sandwich structure has a certain energy-absorbing effect, so that the composite rearview mirror structure is prevented from being broken easily compared with the conventional rearview mirror. Moreover, the ultrathin optical glass lens is used, so that resistance to gravel impact is realized, and the imaging definition is also ensured effectively. By adopting the novel automobile rearview mirror structure provided by the invention, the defects of various conventional rearview mirrors are overcome, and the performance of light weight and high definition is truly realized. The automobile rearview mirror can be widely applied to various vehicles.
Description
Technical field
The present invention relates to automobile rearview mirror technical field, be specifically related to automobile rearview mirror of a kind of lightweight structure design and preparation method thereof.
Background technology
Automobile rearview mirror is used for reflecting the situation of automobile rear, side and below, makes driver indirectly can see the situation of these positions clearly, expands the field range of driver, play a part " second eye ".Rear view mirror lens material therefor has common optical glass, special optical glass and optical plastic lens three kinds, and current Commercial Vehicle often adopts common optical glass.Although the weight of optical glass rear view mirror lens own is not very heavy, but because in vehicle traveling process, rearview mirror assemblies will produce relatively strong vibration, this just requires that rear view mirror lens supporting construction has enough strength and stiffness designs, indirectly adds the weight of rearview mirror assembly.Existing patent CN201220281059.9 proposes to adopt low-density optical plastic lens to make the rear view mirror lens with light weight effect, but the not resistance to gravel impact of plastics back mirror, after being impacted in vehicle travel process, minute surface easily occurs that cut etc. causes the phenomenon of image blur.Therefore a kind of automobile rearview mirror that simultaneously can have lightweight and high definition concurrently is needed in prior art badly.
Summary of the invention
The present invention is directed to prior art Problems existing, innovation proposes a kind of automobile rear view mirror lens structure be made up of the Carbon Fiber Cored plate and ultra thin optical glass mirror with sandwich construction, when condition of equivalent thickness, the rear-view mirror chip architecture of this innovative design not only has weight-saving effect, can also mitigation system load greatly, simultaneously because adopted sandwich construction has certain energy-absorbing effect, this combined type rearview mirror structure is made to compare traditional rear-view mirror more broken, employ ultra thin optical glass mirror in addition, the not only cut of resistance to gravel impact, and effectively ensure that imaging definition.Therefore the automobile rear-view mirror structure that the present invention innovates proposition compensate for the defect of existing all kinds of back mirror, really achieves the performance simultaneously having lightweight and high definition concurrently, can wide popularization and application in all kinds of vehicle.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of automobile rearview mirror, comprise optical glass lens 1 and Carbon Fiber Cored plate, described optical glass lens 1 is incorporated into the surface of Carbon Fiber Cored plate.
Further according to automobile rearview mirror of the present invention, wherein said Carbon Fiber Cored plate is formed with lower carbon fiber board 5 by upper carbon fiber board 2, laminboard layer 3 together with resin solidification, described laminboard layer 3 is between carbon fiber board 2 and lower carbon fiber board 5, and described optical glass lens 1 is pasted on the outside face of carbon fiber board 2.
Further according to automobile rearview mirror of the present invention, wherein said upper carbon fiber board 2 and lower carbon fiber board 5 are made up of unidirectional carbon cloth 6 laying of 3K ~ 24K, described laminboard layer 3 is thickness at the reinforcement felt of 0.6 ~ 2.0mm or aramid fiber bending block, and described unidirectional carbon cloth 6 and laminboard layer 3 are according to [0/45/-45/90/C
x]
sply angles lay after form described Carbon Fiber Cored plate by resin solidification, C wherein in ply angles represents laminboard layer, subscript x represents the thickness of laminboard layer, subscript s represents symmetrical laying, and the unidirectional carbon cloth of digitized representation respective layer is relative to the differently-oriented directivity angle of the unidirectional carbon cloth 6 of ground floor.
Further according to automobile rearview mirror of the present invention, wherein also comprise encapsulate layer 4, described encapsulate layer 4 surrounds the arranged outside of Carbon Fiber Cored plate and optical glass lens 1.
Further according to automobile rearview mirror of the present invention, wherein said optical glass lens 1 adopts thickness to be aluminizing of 0.3 ~ 2mm or silver-plated eyeglass.
Further according to automobile rearview mirror of the present invention, the integral thickness of wherein said automobile rearview mirror is 2-5mm, and overall weight alleviates 32%-67% relative to the glass rearview mirror of condition of equivalent thickness.
A method for making for automobile rearview mirror, comprises the following steps:
Step one, make mould according to the lens curvature of automobile rearview mirror, and clean and coating release agent process are carried out to mould;
Step 2, after mould drying on mould lay Unidirectional cloth and laminboard layer, and on the unidirectional carbon cloth laid and laminboard layer according to forming process import resin, then under predetermined solidification temperature, solidify the schedule time;
Step 3, after the resin solidification of step 3, carry out demoulding process, take out shaping Carbon Fiber Cored plate, degreasing polishing and clean are carried out to its non-die surface;
Step 4, after the buffed surface drying of step 3, adhesive coating on buffed surface, and coating face is pasted on buffed surface through the optical glass lens of clean, then process is cured, after solidification, encapsulate process is carried out to the periphery of Carbon Fiber Cored plate and optical glass lens, obtained composite automobile back mirror.
Further according to automobile rearview mirror method for making of the present invention, the mould wherein in step one adopts glass mold or the metal die of low thermal coefficient of expansion, and mould clean adopts acetone purging medium, and mold release adopts demoulding wax; Wherein in step 3, adopt 400 ~ 800 object waterproof abrasive papers to the polishing of the non-die surface of Carbon Fiber Cored plate, cleaning adopts absolute ethyl alcohol to carry out, after cleaning at 50 ~ 80 DEG C dry 0.5 ~ 3 hour.
Further according to automobile rearview mirror method for making of the present invention, wherein in step 2, described unidirectional carbon cloth and laminboard layer are according to [0/45/-45/90/C
x]
slaying structure carry out lay, described laminboard layer 3 is thickness at the reinforcement felt of 0.6 ~ 2.0mm or aramid fiber bending block, described unidirectional carbon cloth 6 is the unidirectional carbon cloth 6 of 3K ~ 24K, in ply angles, C represents laminboard layer, subscript x represents the thickness of laminboard layer, subscript s represents symmetrical laying, and the unidirectional carbon cloth of digitized representation respective layer is relative to the differently-oriented directivity angle of the unidirectional carbon cloth of ground floor; Described forming process is the molded technique of vacuum bag or resin transfer molding process, wherein the molded technique of vacuum bag adopts the negative pressure of-0.1 ~-0.2MPa to import resin, resin transfer molding process adopts the malleation of 0.1 ~ 0.2MPa to import resin, the resin imported is epoxy resin or cyanate ester resin, described solidification temperature is 80 ~ 170 DEG C, and cure time is 2 ~ 3 hours.
Further according to automobile rearview mirror method for making of the present invention, wherein in step 4, described adhesion agent is liquid or chaffy epoxy adhesive or cyanate ester resin adhesion agent, the coating thickness of described adhesion agent controls at 0.1 ~ 0.2mm, described optical glass lens is thickness aluminizing or silver-plated eyeglass at 0.3 ~ 2mm, after described solidification process refers to buffed surface optical glass lens being pasted on the Carbon Fiber Cored plate scribbling adhesion agent, at 25 ~ 170 DEG C, place 2 ~ 3 hours under 0.07 ~ 0.5 MPa, be connected to realize between optical glass lens with Carbon Fiber Cored plate firm.
At least following technique effect can be reached by technical scheme of the present invention:
1), the present invention has initiated a kind of automobile rear-view mirror structure of brand new, to combine with ultra thin optical glass mirror with the Carbon Fiber Cored plate with sandwich construction first and form composite automobile rear-view mirror, by utilizing the lightweight performance of carbon fiber composite material, achieve the object compared with traditional rear-view mirror loss of weight 31% ~ 66% in condition of equivalent thickness situation, and be conducive to the load alleviating whole system, meet modern vehicle weight-saving demand for development.
2), the sandwich construction that adopts in automobile rearview mirror provided by the present invention has certain energy-absorbing effect, makes provided combined type rearview mirror compare traditional rear-view mirror more broken, improves the service life of back mirror in vehicle.
3), back mirror provided by the present invention adopts ultra thin optical glass mirror as imaging minute surface, the gravel impact cut not only in resistance vehicle travel process, and effectively ensure that backsight imaging definition.
4) automobile rear-view mirror structure that, the present invention innovates proposition compensate for the defect of existing all kinds of back mirror, really achieve the performance simultaneously having lightweight and high definition concurrently, there is energy-absorbing anti seismic efficiency simultaneously, can wide popularization and application in all kinds of vehicle, wide market.
Accompanying drawing explanation
Accompanying drawing 1 is the cross-sectional view of automobile rearview mirror of the present invention;
Accompanying drawing 2 is the fractionation structural representation of automobile rearview mirror of the present invention;
Accompanying drawing 3 is the ply angles schematic diagram of Carbon Fiber Cored plate in automobile rearview mirror of the present invention;
Accompanying drawing 4 is preparation technology's diagram of circuit of automobile rearview mirror of the present invention.
In figure, the implication of each Reference numeral is as follows:
1-optical glass lens; The upper carbon fiber board of 2-; 3-laminboard layer; 4-encapsulate layer; Carbon fiber board under 5-, the unidirectional carbon cloth of 6-.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail, to enable those skilled in the art's understanding the solution of the present invention clearly, but does not therefore limit the scope of the invention.
First illustrate that the present invention innovates the product structure of the composite automobile back mirror of proposition, as shown in figure 1 and 2, automobile rearview mirror through-thickness of the present invention comprises optical glass lens 1, upper carbon fiber board 2, laminboard layer 3, encapsulate layer 4 and lower carbon fiber board 5, described upper carbon fiber board 2, laminboard layer 3 forms holistic Carbon Fiber Cored plate with lower carbon fiber board 5 together with resin solidification, laminboard layer 3 is between upper carbon fiber board 2 and lower carbon fiber board 5, described optical glass lens 1 is pasted on a surface of Carbon Fiber Cored plate, the concrete outside face being pasted on carbon fiber board 2, the side periphery that described encapsulate layer 4 surrounds Carbon Fiber Cored plate and optical glass lens 1 is arranged.Described upper carbon fiber board 2 and lower carbon fiber board 5 are made up of unidirectional carbon cloth 6 laying of 3K ~ 24K, described laminboard layer 3 is for strengthening felt or aramid fiber bending block, the thickness of laminboard layer 3 is 0.6 ~ 2.0mm, and whole Carbon Fiber Cored plate is according to [0/45/-45/90/C
x]
sply sequence formed, wherein C represents laminboard layer, and subscript x represents the thickness of laminboard layer, and subscript s represents the symmetrical meaning, [0/45/-45/90/C
x]
sexpansion is expressed as [0/45/-45/90/C
x/ 90/-45/45/0], its implication is: the differently-oriented directivity of unidirectional for ground floor carbon cloth 6 is set to 0 ° of angular direction, the unidirectional carbon cloth of the second layer is layed on the unidirectional carbon cloth of ground floor, and its differently-oriented directivity is relative to the differently-oriented directivity angle at 45 ° of the unidirectional carbon cloth of ground floor, the unidirectional carbon cloth of third layer is layed on the unidirectional carbon cloth of the second layer, and its differently-oriented directivity becomes-45 ° relative to the differently-oriented directivity of the unidirectional carbon cloth of ground floor, 4th layer of unidirectional carbon cloth is layed on the unidirectional carbon cloth of third layer, and its differently-oriented directivity relative to the unidirectional carbon cloth of ground floor differently-oriented directivity at an angle of 90, laminboard layer 3 is laid on the 4th layer of unidirectional carbon cloth, on laminboard layer 3 lay the unidirectional carbon cloth of layer 5 differently-oriented directivity relative to the unidirectional carbon cloth of ground floor differently-oriented directivity at an angle of 90, the unidirectional carbon cloth of layer 6 is layed on the unidirectional carbon cloth of layer 5, and its differently-oriented directivity is relative to the differently-oriented directivity one-tenth-45° angle of the unidirectional carbon cloth of ground floor, the unidirectional carbon cloth of layer 7 is layed on the unidirectional carbon cloth of layer 6, and its differently-oriented directivity is relative to the differently-oriented directivity angle at 45 ° of the unidirectional carbon cloth of ground floor, 8th layer of unidirectional carbon cloth is layed on the unidirectional carbon cloth of layer 7, and its differently-oriented directivity becomes 0 ° of angle relative to the differently-oriented directivity of the unidirectional carbon cloth of ground floor.Accompanying drawing 3 show in particular [0/45/-45/90/C
x]
sthis ply angles.Wherein ground floor forms upper carbon fiber board 2 to the 4th layer of unidirectional carbon cloth, layer 5 to the 8th layer of unidirectional carbon cloth forms lower carbon fiber board 5, each unidirectional carbon cloth and laminboard layer in the manner described above laying good after, by epoxy resin or ethylene rhodanate resin curing in one, form integrally-built Carbon Fiber Cored plate, described optical glass lens 1 adopts and meets aluminizing or silver-plated eyeglass of automobile rearview mirror optical requirement, lens thickness is 0.3 ~ 2 mm, and the surface of Carbon Fiber Cored plate is incorporated into by bonding method, finally bound edge process is carried out to the side of Carbon Fiber Cored plate and optical glass lens 1, form encapsulate layer 4, obtain composite automobile back mirror of the present invention, the thickness of whole automobile rearview mirror is in 2-5mm, weight alleviates 32%-67% relative to the pure glass rearview mirror of condition of equivalent thickness, but the imaging definition equal with pure glass rearview mirror can be reached, there is anti-seismic performance simultaneously.
Preparation process the present invention being innovated to this composite automobile back mirror of proposition is below described in detail.The method for making of automobile rearview mirror of the present invention specifically comprises the following steps:
Step one, make mould according to rear-view mirror plate curvature, and carry out cleaning and apply mold release process to mould.Mould preferably adopts glass mold or the metal die of low thermal coefficient of expansion, to ensure curvature precision.Mould clean adopts acetone or particular manufacturing craft purging medium to carry out, and naturally hangs until dry after clean.The mold release adopted can be demoulding wax or liquid release agent.
Step 2, on the mould through clean and mold release process lay carbon cloth and laminboard layer, paving mode is preferably according to [0/45/-45/90/C
x]
sstructure is carried out, and wherein C represents laminboard layer, and subscript x represents the thickness of laminboard layer, and laminboard layer adopts strengthens felt or aramid fiber bending block, and thickness is 0.6 ~ 2.0 mm, and described carbon cloth is the unidirectional carbon cloth of 3K ~ 24K.
Step 3, on the carbon cloth laid and laminboard layer, adopt negative pressure or malleation to import resin according to forming process, and keep a period of time to carry out resin solidification at a certain temperature; Wherein said forming process is preferably vacuum bag compression technology or resin transfer molding process, described negative pressure is-0.1 ~-0.2MPa, described malleation is 0.1 ~ 0.2MPa, described resin is epoxy resin or cyanate ester resin, require that the resin hydroscopicity adopted is not higher than 1.5%, solidification temperature is 80 ~ 170 DEG C, and cure time is 2 ~ 3 hours.
Step 4, after the resin solidification of step 3, carry out demoulding process, take out shaping Carbon Fiber Cored plate, its leftover pieces are excised, degreasing polishing and clean are carried out to the non-die surface of Carbon Fiber Cored plate simultaneously; Wherein degreasing grinding process refers to polish in the stickup eyeglass face of the Carbon Fiber Cored plate after to solidification, sand paper used is 400 ~ 800 object waterproof abrasive papers, rinse well with water after grinding process, then rinse with absolute ethyl alcohol, and at 50 ~ 80 DEG C dry 0.5 ~ 3 hour.
Step 5, to adhesive coating on the dried buffed surface of step 4 process, then coating face is pasted on buffed surface through the ultra-thin optical glass lens of clean, and be cured process, after solidification, encapsulate process is carried out to the periphery of Carbon Fiber Cored plate and optical glass lens, obtain there is light weight effect and non-friable combined type rearview mirror.Wherein said adhesion agent is epoxy adhesive or cyanate ester resin adhesion agent, adhesion agent can be liquid state, also can be membrane-like, the coating adhesive layer thickness of adhesive controls at 0.1 ~ 0.2mm, described ultra-thin optical glass lens is meet aluminizing or silver-plated eyeglass of automobile rearview mirror optical requirement, and lens thickness is selected at 0.3 ~ 2mm.After the solidification process of described optical glass lens refers to polishing surface ultra thin optical glass mirror being affixed on the Carbon Fiber Cored plate scribbling adhesion agent 25 ~ 170 DEG C, place 2 ~ 3 hours under 0.07 ~ 0.5 MPa, be connected to realize between optical glass lens with Carbon Fiber Cored plate firm.
Preparation technology's flow process of whole back mirror as shown in Figure 4, the automobile rearview mirror integral thickness obtained by method of the present invention is in 2-5mm, weight alleviates 32%-67% relative to the pure glass rearview mirror of condition of equivalent thickness, but the imaging definition equal with pure glass rearview mirror can be reached, there is the breakage-proof performance of stronger antidetonation simultaneously, traditional glass or resin back mirror can be replaced and be applied to widely in all kinds of vehicle.
Provide specific embodiment prepared by composite automobile back mirror of the present invention below.
embodiment one:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 5 × 10
-6ppm DEG C
-1glass as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then dip demoulding wax in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of demoulding wax with nonwoven fabrics, after hanging 10 minutes, separately get clean nonwoven fabrics wiping die surface, remove unnecessary demoulding wax, then according to [0/45/-45/90/C
0.6]
sthe unidirectional carbon cloth of lay 3K and thickness are the reinforcement felt of 0.6mm, according to vacuum bag compression technology successively lay release cloth, flow-guiding screen and conduction pipe after lay, seal with vacuum bag and connect vacuum pump, HR-196 resin is imported under-0.1 MPa, first solidify 2 hours at 80 DEG C after resin imports, then remove vacuum bag, at 120 DEG C, solidify 1 hour again.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 order waterproof abrasive papers, the non-die face of Carbon Fiber Cored plate is polished, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 80 DEG C dry 0.5 hour, be the epoxide modified adhesion agent of 3M EC-3448 of 0.1 mm at polishing region uniform application thickness after drying, then by coating face through clean, thickness is that the ultra thin optical glass mirror of aluminizing of 0.35 mm is affixed on adhesive layer, solidify 1.5 hours at 0.07MPa and 120 DEG C, optical glass lens is firmly pasted on Carbon Fiber Cored plate, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type rearview mirror that gross thickness is 2mm.Compared with the glass rearview mirror of stack pile, loss of weight 36.1%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
embodiment two:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 5 × 10
-6ppm DEG C
-1glass as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then dip demoulding wax in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of demoulding wax with nonwoven fabrics, after hanging 10 minutes, separately get clean nonwoven fabrics wiping die surface, remove unnecessary demoulding wax, then according to [0/45/-45/90/C
2]
sthe unidirectional carbon cloth of lay 12K and thickness are the aramid fiber bending block of 2mm, according to vacuum bag compression technology successively lay release cloth, flow-guiding screen and conduction pipe after lay, seal with vacuum bag and connect vacuum pump, HR-196G resin is imported under-0.1 MPa, first solidify 2 hours at 80 DEG C after resin imports, then remove vacuum bag, at 120 DEG C, solidify 1 hour again.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 order waterproof abrasive papers, the non-die face of Carbon Fiber Cored plate is polished, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 60 DEG C dry 1.5 hours, be the EX1515 cyanate ester resin adhesion agent of 0.1 mm at polishing region uniform application thickness after drying, then by coating face through clean, thickness is that the ultra thin optical glass mirror of aluminizing of 0.30 mm is affixed on adhesive layer, solidify 2 hours at 0.1MPa and 170 DEG C, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type rearview mirror that gross thickness is 5mm.Compared with the glass rearview mirror of stack pile, loss of weight 62.5%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
embodiment three:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 6 × 10
-6ppm DEG C
-1metal as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then liquid release agent is dipped in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of mold release, then according to [0/45/-45/90/C with nonwoven fabrics
2]
sthe unidirectional carbon cloth of lay 12K and thickness are the reinforcement felt of 2mm successively in a mold, import HR-8300 resin after lay according to RTM technique under 0.15 MPa, solidify 2 hours at 130 DEG C.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 and 800 order waterproof abrasive papers, Carbon Fiber Cored plate is wherein simultaneously polished successively, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 60 DEG C dry 1.5 hours, be the EX1515 cyanate ester resin adhesion agent of 0.15 mm at polishing region uniform application thickness after drying, then by coating face through clean, thickness is that the ultra-thin eyeglass of aluminizing of 0.35 mm is affixed on adhesive layer, solidify 2 hours at 0.1MPa and 170 DEG C, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type rearview mirror that gross thickness is 4mm.Compared with the glass rearview mirror of stack pile, loss of weight 67.2%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
embodiment four:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 6 × 10
-6ppm DEG C
-1metal as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then mold release is dipped in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of mold release, then according to [0/45/-45/90/C with nonwoven fabrics
0.6]
sthe unidirectional carbon cloth of lay 12K and thickness are the reinforcement felt of 0.6mm successively in a mold, import HR-8300 resin after lay according to RTM technique under 0.15 MPa, solidify 2 hours at 130 DEG C.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 and 800 order waterproof abrasive papers, Carbon Fiber Cored plate is wherein simultaneously polished successively, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 60 DEG C dry 1.5 hours, J-47A epoxy jelly membrane is pasted in polishing region after drying, then by coating face through clean, thickness is that the silver-plated ultra-thin eyeglass of 2mm is affixed on adhesive layer, solidify 3 hours at 0.5MPa and 130 DEG C, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type lens that gross thickness is 5mm.Compared with the glass rearview mirror of stack pile, loss of weight 32.0%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
embodiment five:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 5 × 10
-6ppm DEG C
-1glass as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then dip demoulding wax in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of demoulding wax with nonwoven fabrics, after hanging 10 minutes, separately get clean nonwoven fabrics wiping die surface, remove unnecessary demoulding wax, then according to [0/45/-45/90/C
1]
sthe unidirectional carbon cloth of lay 6K and thickness are the reinforcement felt of 1mm, according to vacuum bag compression technology successively lay release cloth, flow-guiding screen and conduction pipe after lay, seal with vacuum bag and connect vacuum pump, HR-196 resin is imported under-0.2MPa, first solidify 2 hours at 80 DEG C after resin imports, then remove vacuum bag, at 120 DEG C, solidify 1 hour again.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 order waterproof abrasive papers, the non-die face of Carbon Fiber Cored plate is polished, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 50 DEG C dry 2 hours, be the EA93093.3N/A epoxy adhesive of 0.15 mm at polishing region uniform application thickness after drying, then by coating face through clean, thickness is that the ultra-thin eyeglass of aluminizing of 0.50 mm is affixed on adhesive layer, solidify at 0.07MPa and 25 DEG C after 2 hours, solidify 1 hour at 85 DEG C again, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type lens that gross thickness is 3mm.Compared with the glass rearview mirror of stack pile, loss of weight 54.2%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
embodiment six:
The present embodiment provides the preparation method of a kind of automobile rearview mirror and back mirror, comprises the following steps: adopt thermal expansion coefficient to be 4 × 10
-6ppm DEG C
-1metal as mold materials, according to automotive rear-view mirror curvature and large little makings mould, acetone cleaning die is dipped with nonwoven fabrics, naturally drying is placed after clean, then mold release is dipped in the even wiping of die surface with nonwoven fabrics, naturally hang 10 minutes and again dip the even wiping of mold release, then according to [0/45/-45/90/C with nonwoven fabrics
1]
sthe unidirectional carbon cloth of lay 12K and thickness are the reinforcement felt of 1mm successively in a mold, import HR-9194 resin after lay according to RTM technique under 0.15 MPa, solidify 2 hours at 120 DEG C.Curing and demolding, take out Carbon Fiber Cored plate, adopt Water Cutting excision leftover pieces, then with 600 and 800 order waterproof abrasive papers, Carbon Fiber Cored plate is wherein simultaneously polished successively, rinse well with water behind the surface that polishing makes new advances, then rinse with absolute ethyl alcohol, and at 70 DEG C dry 2 hours, J-47A epoxy jelly membrane 0.1mm is pasted in polishing region after drying, then by coating face through clean, thickness is that the silver-plated ultra-thin eyeglass of 0.5mm is affixed on adhesive layer, solidify 3 hours at 0.3MPa and 120 DEG C, then Conventional glass bound edge technology is adopted to carry out bound edge process to it, obtain the combined type lens that gross thickness is 5mm.Compared with the glass rearview mirror of stack pile, loss of weight 49.1%, use this combined type rearview mirror eyeglass can alleviate rear-view mirror system load, this combined type rearview mirror eyeglass is non-friable simultaneously.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. an automobile rearview mirror, is characterized in that, comprises optical glass lens (1) and Carbon Fiber Cored plate, and described optical glass lens (1) is incorporated into the surface of Carbon Fiber Cored plate.
2. automobile rearview mirror according to claim 1, it is characterized in that, described Carbon Fiber Cored plate is formed by resin solidification by upper carbon fiber board (2), laminboard layer (3) and lower carbon fiber board (5) together, described laminboard layer (3) is between carbon fiber board (2) and lower carbon fiber board (5), and described optical glass lens (1) is pasted on the outside face of carbon fiber board (2).
3. automobile rearview mirror according to claim 2, it is characterized in that, described upper carbon fiber board (2) and lower carbon fiber board (5) are made up of unidirectional carbon cloth (6) laying of 3K ~ 24K, described laminboard layer (3) is for thickness is at the reinforcement felt of 0.6 ~ 2.0mm or aramid fiber bending block, and described unidirectional carbon cloth (6) and laminboard layer (3) are according to [0/45/-45/90/C
x]
sply angles lay after form described Carbon Fiber Cored plate by resin solidification, C wherein in ply angles represents laminboard layer, subscript x represents the thickness of laminboard layer, subscript s represents symmetrical laying, and the unidirectional carbon cloth of digitized representation respective layer is relative to the differently-oriented directivity angle of the unidirectional carbon cloth of ground floor (6).
4. the automobile rearview mirror according to any one of claim 1-3, is characterized in that, also comprises encapsulate layer (4), and described encapsulate layer (4) surrounds the arranged outside of Carbon Fiber Cored plate and optical glass lens (1).
5. the automobile rearview mirror according to any one of claim 1-4, is characterized in that, described optical glass lens (1) adopts thickness to be aluminizing of 0.3 ~ 2mm or silver-plated eyeglass.
6. the automobile rearview mirror according to any one of claim 1-5, is characterized in that, the integral thickness of described automobile rearview mirror is 2-5mm, and overall weight alleviates 32%-67% relative to the glass rearview mirror of condition of equivalent thickness.
7. a method for making for automobile rearview mirror, is characterized in that, comprises the following steps:
Step one, make mould according to the lens curvature of automobile rearview mirror, and clean and coating release agent process are carried out to mould;
Step 2, after mould drying on mould lay Unidirectional cloth and laminboard layer, and on the unidirectional carbon cloth laid and laminboard layer according to forming process import resin, then under predetermined solidification temperature, solidify the schedule time;
Step 3, after the resin solidification of step 3, carry out demoulding process, take out shaping Carbon Fiber Cored plate, degreasing polishing and clean are carried out to its non-die surface;
Step 4, after the buffed surface drying of step 3, adhesive coating on buffed surface, and coating face is pasted on buffed surface through the optical glass lens of clean, then process is cured, after solidification, encapsulate process is carried out to the periphery of Carbon Fiber Cored plate and optical glass lens, obtained composite automobile back mirror.
8. method for making according to claim 7, is characterized in that, the mould wherein in step one adopts glass mold or the metal die of low thermal coefficient of expansion, and mould clean adopts acetone purging medium, and mold release adopts demoulding wax; Wherein in step 3, adopt 400 ~ 800 object waterproof abrasive papers to the polishing of the non-die surface of Carbon Fiber Cored plate, cleaning adopts absolute ethyl alcohol to carry out, after cleaning at 50 ~ 80 DEG C dry 0.5 ~ 3 hour.
9. method for making according to claim 7, is characterized in that, wherein in step 2, described unidirectional carbon cloth and laminboard layer are according to [0/45/-45/90/C
x]
slaying structure carry out lay, described laminboard layer (3) is for thickness is at the reinforcement felt of 0.6 ~ 2.0mm or aramid fiber bending block, the unidirectional carbon cloth (6) that described unidirectional carbon cloth (6) is 3K ~ 24K, in ply angles, C represents laminboard layer, subscript x represents the thickness of laminboard layer, subscript s represents symmetrical laying, and the unidirectional carbon cloth of digitized representation respective layer is relative to the differently-oriented directivity angle of the unidirectional carbon cloth of ground floor; Described forming process is the molded technique of vacuum bag or resin transfer molding process, wherein the molded technique of vacuum bag adopts the negative pressure of-0.1 ~-0.2MPa to import resin, resin transfer molding process adopts the malleation of 0.1 ~ 0.2MPa to import resin, the resin imported is epoxy resin or cyanate ester resin, described solidification temperature is 80 ~ 170 DEG C, and cure time is 2 ~ 3 hours.
10. method for making according to claim 7, it is characterized in that, wherein in step 4, described adhesion agent is liquid or chaffy epoxy adhesive or cyanate ester resin adhesion agent, the coating thickness of described adhesion agent controls at 0.1 ~ 0.2mm, described optical glass lens is thickness aluminizing or silver-plated eyeglass at 0.3 ~ 2mm, after described solidification process refers to buffed surface optical glass lens being pasted on the Carbon Fiber Cored plate scribbling adhesion agent, at 25 ~ 170 DEG C, place 2 ~ 3 hours under 0.07 ~ 0.5 MPa, be connected to realize between optical glass lens with Carbon Fiber Cored plate firm.
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