CN107053703A - Manufacture the method and vehicle component and vehicle of vehicle component - Google Patents
Manufacture the method and vehicle component and vehicle of vehicle component Download PDFInfo
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- CN107053703A CN107053703A CN201710444606.8A CN201710444606A CN107053703A CN 107053703 A CN107053703 A CN 107053703A CN 201710444606 A CN201710444606 A CN 201710444606A CN 107053703 A CN107053703 A CN 107053703A
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- injection
- resin
- fiber
- vehicle component
- molding 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
- B29C70/30—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
- B29C70/36—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 and impregnating by casting, e.g. vacuum casting
-
- 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
- B29L2031/3055—Cars
Abstract
This disclosure relates to which a kind of method and vehicle component and vehicle for manufacturing vehicle component, this method includes：A, continuous-filament woven fabric is subjected to laying, obtains ply angles (1)；B, in the bottom of the ply angles (1) resin film (2) is coated with, is then cut in advance, obtain fiber preform (3)；C, the fiber preform (3) is placed in injection mold, the injection mold has injection space (8), injection molding material (6) of the injection containing discontinuous fiber and thermoplastic resin in the backward injection mold of matched moulds, the injection causes the injection molding material (6) full of the injection space (8) and infiltrates the fiber preform (3), and vehicle component (7) is obtained after pressurize shaping.This method is the revolutionary character innovation to conventional low Shooting Technique, and obtained parts can meet the requirement of mechanical performance and mouldability simultaneously, solves the problem of tradition lamination technological forming is difficult, traditional injection moulding process machinery performance is low.
Description
Technical field
This disclosure relates to technical field of composite materials, in particular it relates to a kind of method and vehicle for manufacturing vehicle component
Parts and vehicle.
Background technology
With becoming increasingly conspicuous for energy crisis and environmental crisis, what automotive light weight technology had become automobile industry development must
So selection.Fibre reinforced composites have the advantages that specific strength specific modulus height, high temperature resistant, fatigue resistance be good, designability is strong,
Have been widely used for field of aerospace.Make fiber yet with backward moulding process and jejune structure-design technique
Strengthen composite and not yet obtain large-scale application in the automotive industry.Existing fibre reinforced composites forming method master
There are hand pasting forming, Wrapping formed, pultrusion, compression molding, flexible bag moulding, injection moulding and resin transmission mold shaping
(RTM) etc..
Baroque finished parts can rapidly be produced by carrying out shaping to resin material by low temperature Shooting Technique.In
State patent CN106426743A, by the inside of thermoplastic plastic injecting to PVC leathers, makes leather complete by the way of low-pressure injection molding
Absorption realizes the one-shot forming of automobile back backplate, solves PVC leathers and asked with the bonding of working of plastics in plastic part surface
Topic, it is highly beneficial to reduction automobile VOC.But the technology is only applicable to automotive upholstery, the bulk strength of parts is not high, it is impossible to
Applied to structural member or covering etc., do not possess application value to the lightweight of automobile.
The content of the invention
The purpose of the disclosure is to provide a kind of method and vehicle component and vehicle for manufacturing vehicle component, and this method is
Revolutionary character innovation to conventional low Shooting Technique, obtained parts can meet the requirement of mechanical performance and mouldability simultaneously,
Solve the problem of tradition lamination technological forming is difficult, traditional injection moulding process machinery performance is low.
To achieve these goals, disclosure first aspect：A kind of method for manufacturing vehicle component, this method bag are provided
Include：
A, continuous-filament woven fabric is subjected to laying, obtains ply angles；
B, in the bottom of the obtained ply angles of step a resin film is coated with, is then cut in advance, obtain fiber pre-
Body processed；
C, the fiber preform obtained in step b is placed in matched in size and geometry with target vehicle parts
Injection mold in, there is the injection mold injection in injection space, the backward injection mold of matched moulds to contain discontinuous fibre
The injection molding material of peacekeeping thermoplastic resin, the injection causes the injection molding material full of the injection space and to infiltrate the fiber pre-
Body processed, vehicle component is obtained after pressurize shaping.
Alternatively, in step a, the continuous-filament woven fabric is included in uniaxially cloth, multiaxial fabric, woven cloth and looped fabric
At least one, the numbers of plies of the ply angles is 2-50 layers.
Alternatively, the continuous-filament woven fabric is made up of fiber, and the fiber includes carbon fiber, ultra-high molecular weight polyethylene
At least one of fiber, aramid fiber, basalt fibre and glass fibre.
Alternatively, in step b, the resin film is selected from polyethylene resin film, polypropylene resin film, polyamide
Film, polyvinyl chloride resin film, polystyrene resin film, acetal resin film, polycarbonate resin adipose membrane, polyflon
At least one of film, polyphenylene sulfide resin adipose membrane and polysulfone resin film.
Alternatively, in step c, when the fiber preform is placed in the injection mold, by the fiber preform
The side for being coated with resin film and the injection mold quiet mould surface carry out pasted with type, not by institute in the injection mold
The part for stating fiber preform filling is formed as the injection space.
Alternatively, in step c, the discontinuous fiber in the injection molding material is selected from carbon fiber, ultra-high molecular weight polyethylene
At least one of fiber, aramid fiber, basalt fibre and glass fibre.
Alternatively, in step c, the thermoplastic resin in the injection molding material is selected from polyvinyl resin, acrylic resin, gathered
It is amide resin, Corvic, polystyrene resin, acetal resin, polycarbonate resin, polyflon, poly-
At least one of diphenyl sulfide resin and polysulfone resin.
Alternatively, the vehicle component obtained in step c in the injection mold by being located at the fibre preforms
The Part I of body region and the Part II composition positioned at the injection area of space；
The content of thermoplastic resin in the injection molding material (6) is calculated according to formula (I)：
Wherein, C is the content of the thermoplastic resin in the injection molding material, and M is the gross weight of the vehicle component, and M0 is
The weight of the fiber preform, C1 is the resin content needed for the Part I, and M1 is the weight of the Part I,
C2 is the resin content needed for the Part II, and M2 is the weight of the Part II.
Alternatively, in step c, the pressure of the injection is 20-500MPa, the temperature of the injection than the resin film and
The fusing point of thermoplastic resin in the injection molding material is high 20-80 DEG C.
Alternatively, the time of the pressurize is 5-120 seconds.
Alternatively, this method also includes the step of vehicle component after pressurize is molded carries out surfacing.
Disclosure second aspect：The vehicle component that a kind of method as described in disclosure first aspect is manufactured is provided.
The disclosure third aspect：A kind of vehicle is provided, the vehicle includes the vehicle component described in disclosure second aspect.
By above-mentioned technical proposal, the fiber preform that the disclosure collectively forms continuous-filament woven fabric and resin film as
Lining is molded, uses the enhanced thermoplastic resin of discontinuous fiber for injection molding material, is directly noted injection molding material by the way of injection
Mould continuous-filament woven fabric surface, once injection moulding.Resin content in discontinuous fiber enhancing thermoplastic resin is higher than
Traditional injection moulding technique, in injection, partial wetting forms continuous fiber reinforced thermoplastic resin in continuous-filament woven fabric
Composite, with high mechanical performance.Discontinuous fiber strengthens the good moldability of thermoplastic resin, and mechanical performance is moderate,
The shaping of complex surface can be realized while parts performance is ensured；Discontinuous fiber is real during resin infiltrates simultaneously
Now it is orientated, and is connected with continuous-filament woven fabric part, the layer of continuous fiber reinforced thermoplastic resin composite material can be effectively improved
Between performance and interface switching performance.The vehicle component shaping speed of the disclosure is fast, and cost is low, good mechanical property, lightweight effect
Fruit significantly, available for positions such as automobile structure, coverings, can meet automobile structure lightweight, the processing request of mass,
It is the favorable substitutes of sheet metal component, stamping parts, while the recyclable requirement of auto parts and components can be met, before having a wide range of applications
Scape.
Other feature and advantage of the disclosure will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute a part for specification, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings：
Fig. 1 and Fig. 2 are the schematic diagrames of two kinds of optional embodiments of ply angles；
Fig. 3 is to be coated with the schematic diagram of resin film 2 in the bottom of the ply angles 1 in step b；
Fig. 4 is the schematic diagram fiber preform 3 being placed in injection mold in step c；
Fig. 5 is that the injection molding material 6 containing discontinuous fiber and thermoplastic resin is molded into the injection mold in step c
Schematic diagram；
Fig. 6 is the schematic diagram of the vehicle component 7 obtained in step c.
Description of reference numerals
The resin film of 1 ply angles 2
The quiet mould of 3 fiber preform 4
The injection molding material of 5 dynamic model 6
7 vehicle components 8 are molded space
The Part II of 9 Part I 10
Embodiment
It is described in detail below in conjunction with accompanying drawing embodiment of this disclosure.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
Disclosure first aspect：A kind of method for manufacturing vehicle component is provided, this method includes：
A, continuous-filament woven fabric is subjected to laying, obtains ply angles 1；
B, in the bottom of the obtained ply angles 1 of step a resin film 2 is coated with, is then cut in advance, obtain fiber
Precast body 3；
C, the fiber preform 3 obtained in step b is placed in and target vehicle parts phase in size and geometry
In the injection mold matched somebody with somebody, the injection mold, which has in injection space 8, the backward injection mold of matched moulds, to be molded containing discontinuous
The injection molding material 6 of fiber and thermoplastic resin, the injection causes the injection molding material 6 full of the injection space 8 and infiltrates described
Fiber preform 3, vehicle component 7 is obtained after pressurize shaping.
According to the disclosure, in step a, there is no special restriction to the species of the continuous-filament woven fabric, for example, can be
Including at least one of uniaxially cloth, multiaxial fabric, woven cloth and looped fabric.The implication of the continuous-filament woven fabric is ability
Known to field technique personnel, it is made up of fiber (continuous fiber), the fiber can for example include carbon fiber, supra polymer
At least one of weight polyethylene fiber, aramid fiber, basalt fibre and glass fibre, by above-mentioned fiber using conventional side
Formula is woven the continuous-filament woven fabric that can obtain described in the disclosure, and the continuous-filament woven fabric is also available commercially.
According to the disclosure, in step a, the number of plies of the ply angles can change in very large range, for example, can be
2-50 layers, and can be for carrying out reinforcement to local the need for actual parts.Adjacent two layers continuous fiber in the ply angles
The ply stacking angle of fabric does not have special limitation, such as can be 0 °, 15 °, 30 °, 45 °, 60 °, 75 °, 90 °, 120 °.Fig. 1 and
Fig. 2 is the continuous fiber that the ply angles in the schematic diagram of two kinds of optional embodiments of the ply angles, Fig. 1 are used
Fabric can be that the continuous-filament woven fabric that the ply angles in list and/or multiaxial fabric, Fig. 2 are used can be woven cloth.
According to the disclosure, Fig. 3 is to be coated with the schematic diagram of resin film 2 in the bottom of the ply angles 1 in step b.Step b
In, the resin film is thermoplastic resin membrane, for example, can be selected from polyethylene resin film, polypropylene resin film, polyamide
Resin film, polyvinyl chloride resin film, polystyrene resin film, acetal resin film, polycarbonate resin adipose membrane, polytetrafluoroethylene (PTFE) tree
At least one of adipose membrane, polyphenylene sulfide resin adipose membrane and polysulfone resin film.The resin film can be that commercially available resin is direct
Carry out membrane to obtain, the disclosure does not have the thickness of the resin film special limitation.
The ply angles for being coated with resin film are carried out by the requirement according to target vehicle parts to required precursor structure
Cut in advance, obtain fiber preform.The shape cut can be simulated by analysis softwares such as FiberSim, and cutting process can
By cutting by hand, it can also be realized by laser cutting.
According to the disclosure, Fig. 4 is the schematic diagram fiber preform 3 being placed in injection mold in step c.Step c
In, it is preferably that the fiber preform 3 has been coated with resin when the fiber preform 3 is placed in the injection mold
The side of film 2 and the surface of quiet mould 4 of the injection mold pasted with type, not by the fibre preforms in the injection mold
The part that body 3 is filled is formed as the injection space 8.Resin film is contacted with quiet mould surface, is used as the outer of final vehicle component
Surface, can both improve the surface quality of vehicle component, can play certain barrier effect to the resin in injection molding material again, it is to avoid
Excess resin extrudes fiber fabric layer.
According to the disclosure, Fig. 5 is that into the injection mold, injection contains discontinuous fiber and thermoplastic resin in step c
Injection molding material 6 schematic diagram, the injection molding material 6 can inject by the injecting hole on dynamic model 5.In step c, fiber preform is completed
Laying after, Guan Bi mould is molded the injection molding material containing discontinuous fiber and thermoplastic resin into mould, and the injection can be with
Carried out, for example, carried out by injection machine using the conventional equipment of this area.Discontinuous fiber in the injection molding material can be choosing
From at least one of carbon fiber, superhigh molecular weight polyethylene fibers, aramid fiber, basalt fibre and glass fibre, preferably
For with continuous-filament woven fabric identical Fiber Materials.Thermoplastic resin in the injection molding material can be selected from polyvinyl resin,
Acrylic resin, polyamide, Corvic, polystyrene resin, acetal resin, polycarbonate resin, poly- four
At least one of fluoroethylene resin, polyphenylene sulfide and polysulfone resin, be preferably and the resin film identical material in step b
Matter.Using the good moldability of the enhanced thermoplastic resin of discontinuous fiber, mechanical performance is moderate, can ensure parts performance
The shaping of complex surface is realized simultaneously.
According to the disclosure, the thermoplastic resin level in the injection molding material is higher than conventional discontinuous fiber reinforced resin
Injection molding material, its concrete content can be calculated by the resin content in the target vehicle parts of setting.Fig. 6 is step c
In the obtained schematic diagram of the vehicle component 7, the vehicle component 7 in the injection mold by being located at the fiber
The Part I 9 in the region of precast body 3 and Part II 10 positioned at the region of injection space 8 are constituted, i.e., according to the disclosure
Vehicle component obtained by method can be considered to be made up of two parts, and Part I 9 is original fiber preform through injection
The formed part of material infiltration, Part II 10 fills the part that injection space is formed by injection molding material.
The content of thermoplastic resin in the injection molding material (6) can be calculated according to formula (I)：
Wherein, C is the content of the thermoplastic resin in the injection molding material 6, and M0 is the weight of the fiber preform 3.C1
For the resin content needed for the Part I 9, M1 is the weight of the Part I 9, and C2 is in the Part II 10
Required resin content, M2 is the weight of the Part II 10, i.e. the gross weight M of the vehicle component 7 is described first
The weight M1 of part 9 and the weight M2 of the Part II 10 adduction.So, in sets target vehicle component first is passed through
The fiber preform obtained by resin content and its respective weight, and measuring process b needed for part and Part II
Weight, substitute into the degree for the thermoplastic resin that can be tried to achieve in formula (I) in injection molding material 6.
According to the disclosure, in step c, in the presence of injection pressure, the resin in injection molding material soaks into fiber preform
Profit, forms stable liquid stream.Discontinuous fiber in injection molding material is punctured into fiber preform, both risen under the drive of liquid stream
The effect for improving fiber preform interlaminar shear strength has been arrived, fibre preforms body portion is effectively combined with molded portion again
Together, the problem of boundary strength is low is eliminated.To ensure the infiltration of resin and fiber, it is necessary to higher injection pressure, the note
The pressure of modeling can be 20-500MPa, preferably 50-200MPa.
According to the disclosure, in step c, the temperature of the injection can be than the thermoplastic in the resin film and the injection molding material
The fusing point of property resin is high 20-80 DEG C, preferably high 30-60 DEG C.On the one hand higher injection temperature improves the tree in injection molding material
The mobile performance of fat in a mold, improves its wellability in fiber preform；On the other hand can also be intermembranous with resin
Generation heat transfer, makes resin film be in micro- molten state, improves between the resin in resin film and fiber preform and injection molding material
Adhesive strength.But the cementability reduction of the too high resin that can cause in injection molding material of injection temperature and discontinuous fiber, is unfavorable for non-
Interspersed and orientation of the continuous fiber in fibre preforms body.
According to the disclosure, in step c, the time of the pressurize can be 5-120 seconds, preferably 20-50 seconds.
Pressurize terminates rear opening mold, takes out obtained vehicle component.In addition, this method can also include by pressurize into
The step of vehicle component after type carries out surfacing, the surfacing demand of final products can for example enter according to
Row cutting, polishing etc..The vehicle component of gained is assembled on vehicle, it is possible to achieve to the loss of weight purpose of vehicle.
The method for the manufacture vehicle component that the disclosure is provided is the revolutionary character innovation to conventional low Shooting Technique.Fiber
Precast body only needs to simple laying and cut can be achieved, and then directly injection molding, intermediate link is few；Using discontinuous fibre
Enhanced thermoplastic resin is tieed up for matrix, directly continuous-filament woven fabric surface is molded into by the way of injection, disposably
Injection molding, and the limitation in conventional low Shooting Technique to injection pressure is avoided, high-pressure injection moulding can be used, 1~2 point is only needed
Clock can be prepared by required parts, can meet the requirement of auto parts and components productive temp, and easily realize automatic control, can
With fabulous guarantee parts production efficiency and uniformity.Meanwhile, disclosed method can realize the Integration Design of many parts,
Contribute to reduction construction cycle and cost.Using disclosed method, make continuous-filament woven fabric and discontinuous fiber common to heat
Plastic resin is strengthened, and obtained parts had not only had the high intensity of continuous fiber reinforced composite materials but also can realize note
The labyrinth of type is moulded into, high recuperability is also equipped with, the fabulous demand for meeting Hyundai Motor technique is traditional gold
Belong to effective alternative means of the auto parts and components such as part, FRP (fiber reinforcement thermosetting composite).
Disclosure second aspect：The vehicle component that a kind of method as described in disclosure first aspect is manufactured is provided.
Composite material parts described in the auto parts and components of the disclosure can be any shape, and can locally carry out reinforcement,
Its shaping speed is fast, cost is low, good mechanical property, and light weight effect significantly, can meet automobile structure lightweight, mass
Processing request, is the favorable substitutes of sheet metal component, stamping parts, while using thermoplastic resin matrix, can meet auto parts and components
Recyclable requirement, be with a wide range of applications.
The disclosure third aspect：A kind of vehicle is provided, the vehicle includes the vehicle component described in disclosure second aspect.
The disclosure is described further below by embodiment, but does not therefore limit content of this disclosure.
Embodiment 1
The present embodiment is used for the method for the manufacture vehicle component for illustrating the disclosure.
Biaxially cloth (it will be spun purchased from section and strangle extraordinary Fabritex S.r.l, be made up of T700 carbon fibers, article number is
BX300) carry out laying, biaxially in layer of cloth ply stacking angle be 90 °, adjacent two layers biaxially cloth ply stacking angle be 0 °, obtain
The number of plies is 13 layers of ply angles 1 as shown in Figure 1.Nylon 6 resin (is purchased from China PetroChemical Corporation, article number
For BL2340-H, fusing point is 220 DEG C) membrane obtains nylon 6 resin film, the resin film is coated with the bottom of the ply angles 1
Portion, the requirement according to target vehicle parts to required precursor structure is simulated by FiberSim analysis softwares
The shape cut, then the ply angles for being coated with resin film are cut in advance by laser equipment, fiber preform 3 is obtained,
The weight of fiber preform 3 obtained above is measured for 1.3kg.The fiber preform 3 is placed in and existed with target vehicle parts
In the injection mold geometrically matched, the side for being coated with resin film 2 and the injection mould of the fiber preform 3
The surface of quiet mould 4 of tool pasted with type, matched moulds.
Resin content C1 needed for the Part I 9 of sets target vehicle component 7 is 35%, the weight of Part I 9
Amount M1 is 2.0kg, and the resin content C2 needed for Part II 10 is 55%, and the weight M2 of Part II 10 is 0.8kg, vehicle
The gross weight M of parts is 2.8kg.The content of the thermoplastic resin in injection molding material is calculated according to formula (I)：
It is 76% to try to achieve C.
Carbon fiber (being purchased from Toray companies, article number is T700) and nylon 6 resin (are purchased from China Petrochemical Corporation
Company, article number is BL2340-H, and fusing point is 220 DEG C) match mixed preparing injection molding material by above-mentioned content.By the injection prepared
Expect to inject in mould by the injecting hole on dynamic model at 105MPa, 250 DEG C.The injection molding material is full of injection space 8 and infiltrates
Fiber preform 3.Opening mold after pressurize 20 seconds, takes out molding part, it is cut according to the demand of final products, polished
Deng post processing, the vehicle component of the present embodiment manufacture is obtained.
Embodiment 2
Vehicle component is manufactured according to the method for embodiment 1, difference is, the ply angles in the present embodiment are using such as
Woven cloth (being purchased from Toray companies, be made up of T700 carbon fibers, article number is CK6244) shown in Fig. 2 carries out laying and obtained, phase
The ply stacking angle of adjacent two layers of woven cloth is 90 °, and the number of plies of ply angles is 19 layers.
Embodiment 3
Vehicle component is manufactured according to the method for embodiment 1, difference is, in the resin film and injection molding material in the present embodiment
Thermoplastic resin for acrylic resin (be purchased from China PetroChemical Corporation, article number is PPB-M02, and fusing point is 170
DEG C), the temperature of injection is 220 DEG C.
Embodiment 4
Vehicle component is manufactured according to the method for embodiment 1, difference is, in the resin film and injection molding material in the present embodiment
Thermoplastic resin for polystyrene resin (be purchased from China PetroChemical Corporation, article number is GH660, and fusing point is 240
DEG C), the temperature of injection is 270 DEG C.
Embodiment 5
Vehicle component is manufactured according to the method for embodiment 1, difference is, in the present embodiment, zero, sets target vehicle
Resin content C1 needed for the Part I 9 of part 7 is 20%, during the weight M1 of Part I 9 is 1.6kg, Part II 10
Required resin content C2 is 50%, and the weight M2 of Part II 10 is 0.9kg, and the gross weight M of vehicle component is 2.5kg.
The content C for calculating the thermoplastic resin in injection molding material according to formula (I) is 64%.
Embodiment 6
Vehicle component is manufactured according to the method for embodiment 1, difference is, in the present embodiment, zero, sets target vehicle
Resin content C1 needed for the Part I 9 of part 7 is 60%, during the weight M1 of Part I 9 is 3.2kg, Part II 10
Required resin content C2 is 60%, and the weight M2 of Part II 10 is 0.7kg, and the gross weight M of vehicle component is 3.9kg.
The content C for calculating the thermoplastic resin in injection molding material according to formula (I) is 90%.
Comparative example 1
This comparative example is used for the method for illustrating the manufacture vehicle components different from the disclosure.
The vehicle component of this comparative example is manufactured using conventional method, specific method is：By same as Example 1 and Buddhist nun
Imperial 6 mixed with resin prepare injection molding material, and the wherein content C of nylon 6 resin is 60%, using mould same as Example 1, will be noted
Plastics, which are directly injected at 105MPa, 245 DEG C in mould, carries out injection molding, obtains the injection parts of this comparative example preparation,
The gross weight M of the parts is 4.1kg.
Comparative example 2
This comparative example is used for the method for illustrating the manufacture vehicle components different from the disclosure.
The vehicle component of this comparative example is manufactured using conventional method, specific method is：HC220YD galvanized sheets are placed in punching
Punching press in compression mould, obtains the metal plate punching parts of this comparative example preparation, the thickness of the parts is prepared by embodiment 1
The 1/3 of parts thickness, gross weight M is 4.7kg.
Testing example 1
The weight of vehicle component and yield strength that are obtained in embodiment 1-6 and comparative example 1-2 are tested respectively,
The method of testing of yield strength is defined as the ratio of yield strength and weight, test result with reference to GB/T228-2002, specific strength
It is listed in table 1.
Table 1
| Weight/kg | Yield strength/MPa | Specific strength/(MPakg-1) | |
| Embodiment 1 | 2.8 | 757 | 270 |
| Embodiment 2 | 2.8 | 650 | 232 |
| Embodiment 3 | 2.2 | 574 | 261 |
| Embodiment 4 | 2.4 | 635 | 265 |
| Embodiment 5 | 2.5 | 532 | 213 |
| Embodiment 6 | 3.9 | 493 | 126 |
| Comparative example 1 | 4.1 | 157 | 38.3 |
| Comparative example 2 | 4.7 | 230 | 48.9 |
From the results shown in Table 1, the moulding and metal plate punching part prepared compared to conventional method, using the disclosure
The vehicle component of method manufacture has higher yield strength and specific strength, and good mechanical property, light weight effect significantly, can
Automobile structure lightweight, the processing request of mass are met, is the good replacement of sheet metal component, stamping parts and traditional injection moulding part
Product, while the recyclable requirement of auto parts and components can be met, are with a wide range of applications.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as content disclosed in this invention.
Claims (13)
1. a kind of method for manufacturing vehicle component, it is characterised in that this method includes：
A, continuous-filament woven fabric is subjected to laying, obtains ply angles (1)；
B, in the bottom of the obtained ply angles (1) of step a resin film (2) is coated with, is then cut in advance, obtain fiber
Precast body (3)；
C, the fiber preform (3) obtained in step b is placed in matched in size and geometry with target vehicle parts
Injection mold in, the injection mold has in injection space (8), the backward injection mold of matched moulds injection containing discontinuous
The injection molding material (6) of fiber and thermoplastic resin, the injection causes the injection molding material (6) full of the injection space (8) and soaked
Moisten the fiber preform (3), vehicle component (7) is obtained after pressurize shaping.
2. according to the method described in claim 1, wherein, in step a, the continuous-filament woven fabric includes uniaxially cloth, multiaxis
At least one of Xiang Bu, woven cloth and looped fabric, the number of plies of the ply angles (1) is 2-50 layers.
3. method according to claim 2, wherein, the continuous-filament woven fabric is made up of fiber, and the fiber includes carbon
At least one of fiber, superhigh molecular weight polyethylene fibers, aramid fiber, basalt fibre and glass fibre.
4. according to the method described in claim 1, wherein, in step b, the resin film (2) is selected from polyethylene resin film, poly-
Allyl resin film, polyamide resin, polyvinyl chloride resin film, polystyrene resin film, acetal resin film, polycarbonate resin
At least one of adipose membrane, polyflon film, polyphenylene sulfide resin adipose membrane and polysulfone resin film.
5. according to the method described in claim 1, wherein, in step c, the fiber preform (3) is placed in the injection mould
When in tool, the side for being coated with resin film (2) of the fiber preform and quiet mould (4) surface of the injection mold are carried out
Pasted with type, the part do not filled in the injection mold by the fiber preform (3) is formed as the injection space (8).
6. according to the method described in claim 1, wherein, in step c, discontinuous fiber in the injection molding material (6) be selected from
At least one of carbon fiber, superhigh molecular weight polyethylene fibers, aramid fiber, basalt fibre and glass fibre.
7. according to the method described in claim 1, wherein, in step c, thermoplastic resin in the injection molding material (6) be selected from
Polyvinyl resin, acrylic resin, polyamide, Corvic, polystyrene resin, acetal resin, poly- carbonic acid
At least one of ester resin, polyflon, polyphenylene sulfide and polysulfone resin.
8. according to the method described in claim 1, wherein, the vehicle component (7) obtained in step c is by the injection
Second in mould positioned at the Part I (9) in the fiber preform (3) region and positioned at injection space (8) region
Divide (10) composition；
The content of thermoplastic resin in the injection molding material (6) is calculated according to formula (I)：
<mrow>
<mi>C</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>C</mi>
<mn>1</mn>
<mo>&times;</mo>
<mi>M</mi>
<mn>1</mn>
<mo>+</mo>
<mi>C</mi>
<mn>2</mn>
<mo>&times;</mo>
<mi>M</mi>
<mn>2</mn>
</mrow>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mi>M</mi>
<mn>0</mn>
</mrow>
</mfrac>
<mo>-</mo>
<mo>-</mo>
<mo>-</mo>
<mrow>
<mo>(</mo>
<mi>I</mi>
<mo>)</mo>
</mrow>
<mo>,</mo>
</mrow>
Wherein, C is the content of the thermoplastic resin in the injection molding material (6), and M is the gross weight of the vehicle component (7), M0
For the weight of the fiber preform (3), C1 is the resin content needed for the Part I (9), and M1 is described first
Divide the weight of (9), C2 is the resin content needed for the Part II (10), and M2 is the weight of the Part II (10).
9. according to the method described in claim 1, wherein, in step c, the pressure of the injection is 20-500MPa, the injection
Temperature it is higher 20-80 DEG C than the fusing point of the thermoplastic resin in the resin film and the injection molding material (6).
10. according to the method described in claim 1, wherein, time of the pressurize is 5-120 seconds.
11. according to the method described in claim 1, wherein, this method also include pressurize is molded after vehicle component carry out
The step of surfacing.
12. a kind of vehicle component of the method manufacture in 1-11 as claim described in any one.
13. a kind of vehicle, it is characterised in that the vehicle includes the vehicle component described in claim 12.
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| CN201710444606.8A CN107053703B (en) | 2017-06-13 | 2017-06-13 | The method and vehicle component and vehicle of manufacture vehicle component |
| PCT/CN2018/071769 WO2018227957A1 (en) | 2017-06-13 | 2018-01-08 | Method for manufacturing vehicle part, vehicle part and vehicle |
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| CN201710444606.8A CN107053703B (en) | 2017-06-13 | 2017-06-13 | The method and vehicle component and vehicle of manufacture vehicle component |
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| CN107053703A true CN107053703A (en) | 2017-08-18 |
| CN107053703B CN107053703B (en) | 2019-09-13 |
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| WO (1) | WO2018227957A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018227957A1 (en) | 2018-12-20 |
| CN107053703B (en) | 2019-09-13 |
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