CN107053703B - The method and vehicle component and vehicle of manufacture vehicle component - Google Patents
The method and vehicle component and vehicle of manufacture vehicle component Download PDFInfo
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- CN107053703B CN107053703B CN201710444606.8A CN201710444606A CN107053703B CN 107053703 B CN107053703 B CN 107053703B CN 201710444606 A CN201710444606 A CN 201710444606A CN 107053703 B CN107053703 B CN 107053703B
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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 a kind of method for manufacturing vehicle component and vehicle component and vehicle, this method comprises: a, continuous-filament woven fabric carried out laying, ply angles (1) is obtained;B, resin film (2) are coated in the bottom of the ply angles (1), are then cut in advance, obtain fiber preform (3);C, the fiber preform (3) is placed in injection mold, the injection mold has injection molding space (8), the injection molding material (6) containing discontinuous fiber and thermoplastic resin is molded after molding into the injection mold, so that the injection molding material (6) is full of the injection molding space (8) and infiltrates the fiber preform (3), pressure maintaining obtains vehicle component (7) after forming for the injection molding.This method is the revolutionary character innovation to conventional low Shooting Technique, and components obtained can meet the requirement of mechanical performance and mouldability simultaneously, solves the problems, such as that 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, and in particular, to a kind of method and vehicle for manufacturing vehicle component
Components and vehicle.
Background technique
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 many advantages, such as that specific strength specific modulus height, high temperature resistant, fatigue resistance is good, designability is strong,
Have been widely used for field of aerospace.However since backward moulding process and jejune structure-design technique make fiber
Enhance composite material and not yet obtains 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 transmitting mold molding
(RTM) etc..
Complicated finished parts can rapidly be produced by being formed by low temperature Shooting Technique to resin material.In
State patent CN106426743A, by the inside of thermoplastic plastic injecting to PVC leather, keeps leather complete by the way of low-pressure injection molding
It is adsorbed on plastic part surface, realizes the one-pass molding of automobile back backplate, PVC leather is solved and is asked with the bonding of plastic part
Topic, to reducing, automobile VOC is highly beneficial.But the technology is only applicable to automotive upholstery, and the integral strength of components is not high, can not
Applied to structural member or covering etc., do not have application value to the lightweight of automobile.
Summary of the invention
Purpose of this disclosure is to provide a kind of methods for manufacturing vehicle component and vehicle component and vehicle, this method to be
Revolutionary character innovation to conventional low Shooting Technique, components obtained can meet the requirement of mechanical performance and mouldability simultaneously,
Solve the problems, such as that tradition lamination technological forming is difficult, traditional injection moulding process machinery performance is low.
To achieve the goals above, a kind of method for manufacturing vehicle component, this method packet disclosure first aspect: are provided
It includes:
A, continuous-filament woven fabric is subjected to laying, obtains ply angles;
B, it is coated with resin film in the bottom of the obtained ply angles of step a, is then cut in advance, it is pre- obtains fiber
Body processed;
C, the fiber preform obtained in step b is placed in and is matched in size and geometry with target vehicle components
Injection mold in, the injection mold have injection molding space, after molding into the injection mold injection molding contain discontinuous fibre
The injection molding material of peacekeeping thermoplastic resin, the injection molding is so that the injection molding material is full of the injection molding space and to infiltrate the fiber pre-
Body processed obtains vehicle component after pressure maintaining molding.
Optionally, in step a, the continuous-filament woven fabric is including 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.
Optionally, the continuous-filament woven fabric is made 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.
Optionally, 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.
Optionally, 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 quiet mould surface of the injection mold paste with type, not by institute in the injection mold
The part for stating fiber preform filling is formed as the injection molding space.
Optionally, 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.
Optionally, in step c, the thermoplastic resin in the injection molding material is selected from polyvinyl resin, acrylic resin, gathers
Amide resin, polystyrene resin, acetal resin, polycarbonate resin, polyflon, gathers Corvic
At least one of diphenyl sulfide resin and polysulfone resin.
Optionally, the vehicle component obtained in step c in the injection mold by being located at the fibre preforms
The first part of body region and positioned at it is described injection molding area of space second part composition;
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 total weight of the vehicle component, and M0 is
The weight of the fiber preform, C1 are resin content needed for the first part, and M1 is the weight of the first part,
C2 is resin content needed for the second part, and M2 is the weight of the second part.
Optionally, in step c, the pressure of the injection molding is 20-500MPa, the temperature of the injection molding than the resin film and
The fusing point of thermoplastic resin in the injection molding material is 20-80 DEG C high.
Optionally, the time of the pressure maintaining is 5-120 seconds.
Optionally, this method further includes the steps that pressure maintaining vehicle component after molding carrying out surfacing.
Disclosure second aspect: a kind of vehicle component of manufacture of the method as described in disclosure first aspect is provided.
The disclosure third aspect: providing a kind of vehicle, which includes vehicle component described in disclosure second aspect.
Through the above technical solutions, the disclosure fiber preform that collectively forms continuous-filament woven fabric and resin film as
It is molded lining, the thermoplastic resin for using discontinuous fiber to enhance directly is infused injection molding material by the way of injection molding for injection molding material
Mould continuous-filament woven fabric surface, one-time injection molding.Resin content in discontinuous fiber enhancing thermoplastic resin is higher than
Traditional injection moulding technique forms continuous fiber reinforced thermoplastic resin in injection molding in partial wetting to continuous-filament woven fabric
Composite material has high mechanical performance.Discontinuous fiber enhances the good moldability of thermoplastic resin, and mechanical performance is moderate,
The molding of complex surface can be realized while guaranteeing components performance;Discontinuous fiber is real during resin infiltration simultaneously
It is now orientated, and is connect 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, at low cost, good mechanical property, lightweight effect
Fruit is significant, can be used for the positions such as automobile structure, covering, can meet the processing request of automobile structure lightweight, 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 has a wide range of applications
Scape.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 and Fig. 2 is the schematic diagram 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 being placed in the fiber preform 3 in step c in injection mold;
Fig. 5 is to be molded the injection molding material 6 containing discontinuous fiber and thermoplastic resin in step c into the injection mold
Schematic diagram;
Fig. 6 is the schematic diagram of the vehicle component 7 obtained in step c.
Description of symbols
1 ply angles, 2 resin film
The quiet mould of 3 fiber preform 4
5 dynamic model, 6 injection molding material
7 vehicle components 8 are molded space
9 first part, 10 second part
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Disclosure first aspect: providing a kind of method for manufacturing vehicle component, this method comprises:
A, continuous-filament woven fabric is subjected to laying, obtains ply angles 1;
B, it is coated with resin film 2 in the bottom of the obtained ply angles 1 of step a, is then cut in advance, obtains fiber
Precast body 3;
C, the fiber preform 3 obtained in step b is placed in and target vehicle components phase in size and geometry
In the injection mold matched, the injection mold has injection molding space 8, is molded into the injection mold containing discontinuous after molding
The injection molding material 6 of fiber and thermoplastic resin, the injection molding is so that the injection molding material 6 is full of described in the injection molding space 8 and infiltration
Fiber preform 3 obtains vehicle component 7 after pressure maintaining molding.
According to the disclosure, in step a, there is no special restriction to the type of the continuous-filament woven fabric, such as can be
Including at least one of uniaxially cloth, multiaxial fabric, woven cloth and looped fabric.The meaning of the continuous-filament woven fabric is ability
It is made of fiber (continuous fiber), the fiber for example may include carbon fiber, supra polymer known to field technique personnel
At least one of weight polyethylene fiber, aramid fiber, basalt fibre and glass fibre, by above-mentioned fiber using conventional side
Formula, which carries out braiding, can be obtained continuous-filament woven fabric 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, such as can be
2-50 layers, and reinforcement can be carried out to part for the needs of practical components.Adjacent two layers continuous fiber in the ply angles
The ply stacking angle of fabric does not have special limitation, may be, for example, 0 °, 15 °, 30 °, 45 °, 60 °, 75 °, 90 °, 120 ° etc..Fig. 1 and
Fig. 2 is the schematic diagram of two kinds of optional embodiments of the ply angles, continuous fiber used by the ply angles in Fig. 1
Fabric can be list and/or multiaxial fabric, and continuous-filament woven fabric used by the ply angles in Fig. 2 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, such as can be for 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
It carries out membrane to obtain, the disclosure does not have the thickness of the resin film special limitation.
Requirement according to target vehicle components to required precursor structure carries out the ply angles for being coated with resin film
It cuts in advance, obtains fiber preform.The shape cut can analyze software by FiberSim etc. and be simulated, and cutting process can
By cutting by hand, can also be realized by laser cutting.
According to the disclosure, Fig. 4 is the schematic diagram being placed in the fiber preform 3 in step c in injection mold.Step c
In, when the fiber preform 3 is placed in the injection mold, the fiber preform 3 has preferably been coated with resin
The side of film 2 and 4 surface of quiet mould of the injection mold paste with type, not by the fibre preforms in the injection mold
The part that body 3 is filled is formed as the injection molding space 8.Resin film is contacted with quiet mould surface, as the outer of final vehicle component
Surface not only can be improved the surface quality of vehicle component, but also can play certain barrier effect to the resin in injection molding material, avoid
Excess resin squeezes out fiber fabric layer.
According to the disclosure, Fig. 5 is that into the injection mold, injection molding 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 mold, and the injection molding can be with
It is carried out using the conventional equipment of this field, such as is carried out by injection molding machine.Discontinuous fiber in the injection molding material can be choosing
From at least one of carbon fiber, ultra high molecular weight polyethylene fiber, aramid fiber, basalt fibre and glass fibre, preferably
For Fiber Materials identical with continuous-filament woven fabric.Thermoplastic resin in the injection molding material can for 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, material preferably identical with the resin film in step b
Matter.Using the good moldability of the thermoplastic resin of discontinuous fiber enhancing, mechanical performance is moderate, can guarantee components performance
The molding 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, concrete content can be calculated by the resin content in the target vehicle components of setting.Fig. 6 is step c
Obtained in the vehicle component 7 schematic diagram, the vehicle component 7 by the injection mold be located at the fiber
The first part 9 in 3 region of precast body and positioned at it is described injection molding 8 region of space second part 10 form, i.e., according to the disclosure
Vehicle component obtained by method can be considered to be made of two parts, and first part 9 is original fiber preform through being molded
Material infiltration is formed by part, and second part 10 is that injection molding material filling injection molding space is formed by part.
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 resin content needed for the first part 9, M1 is the weight of the first part 9, and C2 is in the second part 10
Required resin content, M2 are the weight of the second part 10, that is, the total weight M of the vehicle component 7 is described first
The adduction of the weight M2 of the weight M1 of part 9 and the second part 10.In this way, passing through in setting target vehicle components first
Resin content needed for part and second part and its respective weight and the obtained fiber preform of measuring process b
Weight, substitute into the degree that thermoplastic resin in injection molding material 6 can be acquired in formula (I).
According to the disclosure, in step c, under the action of injection pressure, the resin in injection molding material is soaked into fiber preform
Profit, forms stable liquid stream.Discontinuous fiber in injection molding material is punctured into fiber preform, both rose under the drive of liquid stream
The effect for improving fiber preform interlaminar shear strength has been arrived, and has been effectively combined fibre preforms body portion and molded portion
Together, the low problem of boundary strength is eliminated.For the infiltration for guaranteeing resin and fiber, higher injection pressure, the note are needed
The pressure of modeling can be 20-500MPa, preferably 50-200MPa.
According to the disclosure, in step c, the temperature of the injection molding can be than the thermoplastic in the resin film and the injection molding material
The fusing point of property resin is 20-80 DEG C high, preferably 30-60 DEG C high.On the one hand higher injection temperature improves the tree in injection molding material
The mobile performance of rouge in a mold improves its wellability in fiber preform;It on the other hand can also be between resin film
Heat transmitting occurs, resin film is made to be in micro- molten state, improves between the resin in resin film and fiber preform and injection molding material
Adhesive strength.But the cementability of the excessively high resin that will lead in injection molding material of injection temperature and discontinuous fiber reduces, and 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 pressure maintaining can be 5-120 seconds, preferably 20-50 seconds.
Opening mold after pressure maintaining takes out vehicle component obtained.In addition, this method can also include by pressure maintaining at
Vehicle component after type carries out the step of surfacing, the surfacing for example can according to final products demand into
Row cutting, polishing etc..Resulting vehicle component is assembled on vehicle, the loss of weight purpose to vehicle may be implemented.
The method for the manufacture vehicle component that the disclosure provides is the revolutionary character innovation to conventional low Shooting Technique.Fiber
Precast body only needs simple laying and cuts can be realized, subsequent direct injection molding, and intermediate link is few;Using discontinuous fibre
The thermoplastic resin of dimension enhancing is matrix, continuous-filament woven fabric surface is directly molded by the way of injection molding, disposably
Injection molding, and the limitation in conventional low Shooting Technique to injection pressure is avoided, high-pressure injection moulding can be used, only need 1~2 point
Clock can be prepared by required components, can meet the requirement of auto parts and components productive temp, and easily realize automatic control, can
With fabulous guarantee components production efficiency and consistency.Meanwhile disclosed method can realize the Integration Design of more parts,
Help to reduce development cycle and cost.Using disclosed method, make continuous-filament woven fabric and discontinuous fiber jointly to heat
Plastic resin is enhanced, and obtained components had not only had the high intensity of continuous fiber reinforced composite materials but also can realize note
Molding labyrinth is moulded, 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 material).
Disclosure second aspect: a kind of vehicle component of manufacture of the method as described in disclosure first aspect 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, at low cost, good mechanical property, light weight effect is significant, 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: providing a kind of vehicle, which includes 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 method that the present embodiment is used to illustrate the manufacture vehicle component of the disclosure.
Biaxially cloth (it will be spun purchased from section and strangle extraordinary Fabritex S.r.l, be made of T700 carbon fiber, 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 ply angles 1 as shown in Figure 1 that the number of plies is 13 layers.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, which is coated in the bottom of the ply angles 1
Portion, the requirement according to target vehicle components to required precursor structure analyze software by FiberSim and are simulated to obtain
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,
Measuring 3 weight of fiber preform obtained above is 1.3kg.The fiber preform 3 is placed in and is existed with target vehicle components
In the injection mold geometrically to match, the side for being coated with resin film 2 of the fiber preform 3 and the injection mould
4 surface of quiet mould of tool paste with type, molds.
Resin content C1 needed for the first part 9 of target vehicle components 7 is set as 35%, the weight of first part 9
Amount M1 is 2.0kg, and resin content C2 needed for second part 10 is 55%, and the weight M2 of second part 10 is 0.8kg, vehicle
The total weight M of components is 2.8kg.The content of the thermoplastic resin in injection molding material is calculated according to formula (I):
Acquiring C is 76%.
Carbon fiber (being purchased from Toray company, article number T700) and nylon 6 resin (are purchased from China Petrochemical Corporation
Company, article number BL2340-H, fusing point are 220 DEG C) mixed preparing injection molding material is matched by above-mentioned content.By prepared injection molding
Expect to inject in mold at 105MPa, 250 DEG C by the injecting hole on dynamic model.The injection molding material is full of injection molding space 8 and infiltrates
Fiber preform 3.Opening mold after pressure maintaining 20 seconds takes out molded part, is cut according to the demand of final products it, 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, and difference is, the ply angles in the present embodiment are using such as
Woven cloth (being purchased from Toray company, be made of T700 carbon fiber, article number CK6244) shown in Fig. 2 carries out laying and obtains, 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, and difference is, in the resin film and injection molding material in the present embodiment
Thermoplastic resin be acrylic resin (be purchased from China PetroChemical Corporation, article number PPB-M02, fusing point 170
DEG C), the temperature of injection molding is 220 DEG C.
Embodiment 4
Vehicle component is manufactured according to the method for embodiment 1, and difference is, in the resin film and injection molding material in the present embodiment
Thermoplastic resin be polystyrene resin (be purchased from China PetroChemical Corporation, article number GH660, fusing point 240
DEG C), the temperature of injection molding is 270 DEG C.
Embodiment 5
Vehicle component is manufactured according to the method for embodiment 1, and difference is, in the present embodiment, sets target vehicle zero
Resin content C1 needed for the first part 9 of part 7 is 20%, and the weight M1 of first part 9 is 1.6kg, in second part 10
Required resin content C2 is 50%, and the weight M2 of second part 10 is 0.9kg, and the total weight M of vehicle component is 2.5kg.
It is 64% according to the content C that formula (I) calculates the thermoplastic resin in injection molding material.
Embodiment 6
Vehicle component is manufactured according to the method for embodiment 1, and difference is, in the present embodiment, sets target vehicle zero
Resin content C1 needed for the first part 9 of part 7 is 60%, and the weight M1 of first part 9 is 3.2kg, in second part 10
Required resin content C2 is 60%, and the weight M2 of second part 10 is 0.7kg, and the total weight M of vehicle component is 3.9kg.
It is 90% according to the content C that formula (I) calculates the thermoplastic resin in injection molding material.
Comparative example 1
The method that this comparative example is used to illustrate the manufacture vehicle component different from the disclosure.
The vehicle component of this comparative example is manufactured using conventional method, method particularly includes: by same as Example 1 and Buddhist nun
Imperial 6 resin mixed preparing injection molding materials, wherein the content C of nylon 6 resin is 60%, using mold same as Example 1, will be infused
Plastics, which are directly injected into mold at 105MPa, 245 DEG C, carries out injection molding, obtains the injection molding components of this comparative example preparation,
The total weight M of the components is 4.1kg.
Comparative example 2
The method that this comparative example is used to illustrate the manufacture vehicle component different from the disclosure.
The vehicle component of this comparative example is manufactured using conventional method, method particularly includes: HC220YD galvanized sheet is placed in punching
Punching press in compression mould, obtain this comparative example preparation metal plate punching components, the components with a thickness of prepared by embodiment 1
The 1/3 of components thickness, total weight M are 4.7kg.
Testing example 1
The weight and yield strength of vehicle component obtained in embodiment 1-6 and comparative example 1-2 are tested respectively,
The test method of yield strength is defined as the ratio of yield strength and weight, test result referring 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, compared to the moulding and metal plate punching part of conventional method preparation, using the disclosure
The vehicle component yield strength with higher and specific strength of method manufacture, good mechanical property, light weight effect is significant, can
The processing request for meeting automobile structure lightweight, mass is the good substitution of sheet metal component, stamping parts and traditional injection moulding part
Product, while the recyclable requirement of auto parts and components can be met, it is with a wide range of applications.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, 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 to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should also be regarded as the disclosure of the present invention.
Claims (12)
1. a kind of method for manufacturing vehicle component, which is characterized in that this method comprises:
A, continuous-filament woven fabric is subjected to laying, obtains ply angles (1);
B, resin film (2) are coated in the bottom of the obtained ply angles (1) of step a, are then cut in advance, obtains fiber
Precast body (3);
C, the fiber preform (3) obtained in step b is placed in and is matched in size and geometry with target vehicle components
Injection mold in, the injection mold has injection molding space (8), after molding into the injection mold injection molding containing discontinuous
The injection molding material (6) of fiber and thermoplastic resin, the injection molding is so that the injection molding material (6) is full of the injection molding space (8) and soaks
Moisten the fiber preform (3), obtains vehicle component (7) after pressure maintaining molding;The pressure of the injection molding is 50-500MPa, institute
The temperature for stating injection molding is 20-80 DEG C higher than the fusing point of the thermoplastic resin in the resin film and the injection molding material (6).
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) are 2-50 layers.
3. the fiber includes carbon according to the method described in claim 2, wherein, the continuous-filament woven fabric is made of fiber
At least one of fiber, ultra high molecular weight polyethylene fiber, 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, gathers
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
It is pasted with type, the injection molding space (8) is not formed as by the part that the fiber preform (3) are filled in the injection mold.
6. according to the method described in claim 1, wherein, in step c, the discontinuous fiber in the injection molding material (6) be selected from
At least one of carbon fiber, ultra high molecular weight polyethylene fiber, aramid fiber, basalt fibre and glass fibre.
7. according to the method described in claim 1, wherein, in step c, the 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) is by the injection molding obtained in step c
Positioned at the first part (9) in the fiber preform (3) region and positioned at second for being molded space (8) region in mold
Divide (10) composition;
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 (6), and M is the total weight of the vehicle component (7), M0
For the weight of the fiber preform (3), C1 is resin content needed for the first part (9), and M1 is described first
Divide the weight of (9), C2 is resin content needed for the second part (10), and M2 is the weight of the second part (10).
9. according to the method described in claim 1, wherein, the time of the pressure maintaining is 5-120 seconds.
10. according to the method described in claim 1, wherein, this method further includes carrying out pressure maintaining vehicle component after molding
The step of surfacing.
11. a kind of vehicle component of the manufacture of the method as described in any one of claim 1-10.
12. a kind of vehicle, which is characterized in that the vehicle includes vehicle component described in claim 11.
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CN107053703B (en) * | 2017-06-13 | 2019-09-13 | 北京汽车集团有限公司 | The method and vehicle component and vehicle of manufacture vehicle component |
CN107856370B (en) * | 2017-11-10 | 2019-11-22 | 中材科技股份有限公司 | A kind of preparation method of lightweight hollow fabric composite seat backrest |
CN108015923A (en) * | 2017-11-23 | 2018-05-11 | 宁波伯骏智能科技有限公司 | A kind of processing and forming technology of fiber reinforced thermolplastic composite material product |
CN109404458B (en) * | 2017-12-12 | 2020-09-04 | 安庆安簧汽车零部件有限公司 | Tension blade spring assembly and suspension structure |
CN108621448A (en) * | 2018-04-24 | 2018-10-09 | 厦门宇诠复材科技有限公司 | A kind of composite material and its preparation process |
CN108943765A (en) * | 2018-09-21 | 2018-12-07 | 吉林省华阳新材料研发有限公司 | A kind of production method of Basalt fiber products |
CN110435182A (en) * | 2019-08-07 | 2019-11-12 | 上海沥高科技股份有限公司 | A kind of quick shaping process of continuous fiber reinforced thermoplastic composite material product |
CN110826222B (en) * | 2019-11-05 | 2023-03-24 | 上海波客实业有限公司 | Forward development method for automobile carbon fiber reinforced composite covering part |
CN111086234A (en) * | 2019-12-12 | 2020-05-01 | 北京汽车集团有限公司 | Thermoplastic composite material and composite material part and method for producing same |
CN115071043A (en) * | 2022-06-16 | 2022-09-20 | 中国十七冶集团有限公司 | Large-batch plastic surface fiber reinforced production method |
CN117067631A (en) * | 2023-10-16 | 2023-11-17 | 歌尔股份有限公司 | Composite shell, integrated forming method thereof and electronic equipment |
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