CN108859168A - A kind of polyurethane fiber composite material truck exterior trimming parts - Google Patents
A kind of polyurethane fiber composite material truck exterior trimming parts Download PDFInfo
- Publication number
- CN108859168A CN108859168A CN201810924569.5A CN201810924569A CN108859168A CN 108859168 A CN108859168 A CN 108859168A CN 201810924569 A CN201810924569 A CN 201810924569A CN 108859168 A CN108859168 A CN 108859168A
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- layer
- trimming parts
- exterior trimming
- fiber composite
- composite material
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- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 238000009966 trimming Methods 0.000 title claims abstract description 41
- 229920006306 polyurethane fiber Polymers 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000000465 moulding Methods 0.000 claims abstract description 33
- 239000008393 encapsulating agent Substances 0.000 claims abstract description 22
- 239000002657 fibrous material Substances 0.000 claims abstract description 21
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 22
- 229920002635 polyurethane Polymers 0.000 claims description 19
- 239000004814 polyurethane Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000001723 curing Methods 0.000 claims description 3
- 238000007592 spray painting technique Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000011161 development Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 208000020442 loss of weight Diseases 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000009747 press moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
-
- 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
- B29C70/34—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 shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—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 shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
-
- 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
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/10—Trains
Abstract
The invention discloses a kind of polyurethane fiber composite material truck exterior trimming parts, exterior trimming parts includes the top cover for being mounted on truck headstock outer surface, deflector, door-plate, radiator grille, foot pedal and bumper, the top cover, deflector, door-plate, radiator grille, foot pedal and bumper are polyurethane fiber composite material, the polyurethane fiber composite material includes composite sheet layer and the outer jacket for being attached to composite sheet layer outer surface, and composite sheet layer includes encapsulant layer and successively wraps up the fibrous material layer and urethane material of covering from the inside to the outside outside encapsulant layer.Technical solution of the present invention prepares each component of truck exterior trimming parts by techniques such as layering moldings using polyurethane fiber composite material, while meeting truck exterior trimming parts to lightweight and high-intensitive development trend requirement, and step of preparation process simplifies, is with short production cycle.
Description
Technical field
The invention belongs to technical field of automobile accessories, and in particular to a kind of polyurethane fiber composite material truck exterior trimming parts.
Background technique
Truck formal name be cargo vehicle, be deliver cargo and commodity a kind of type of motor car, including dump truck,
Tow truck, off-highway and cross-country locality off-road truck and the various vehicles for aiming at special requirement manufacture, such as:Airport
Vehicle, fire fighting truck and ambulance, tank truck, container tractor-trailer trucks etc..Have on load-carrying vehicle using more lightweighting materials at present
Aluminium alloy, magnesium alloy, high strength steel, plastics and glass fiber reinforced plastics composite material etc..Major motor corporation all will be light using these
Quantify material number as measurement Trend of Auto Manufacturing Technologies and the whether leading important symbol of new material development level.Countries in the world
Automobile Enterprises around energy conservation, section material, environmental protection, reduce cost and improve dynamic property, economy, reliability, safety and relax
Adaptive etc. basic performance, has carried out the research and development of new technology, new material, new process, new product, and core is exactly vapour
Vehicle lightweight.
Truck exterior trimming parts includes the routine portions such as radiator grille, bumper, left and right deflector, baffle upper plate, foot pedal, door-plate
Part.To overhaul convenient, raising assembly benefit, the fast development of the manufacture machinery mold foundation industry by recent decades, currently
Heavy truck radiator grille structure form be generally monoblock type.Wherein front cover body main production be metal stamping and
SMC compression molding:Cost is relatively low for Sheet Metal Forming Technology workpiece material, and in-process is easy to operate, is easy to automated production high production efficiency,
But there are mold station steps, and more, die set puts into the drawbacks such as higher, the mold production cycle is longer, and its product weight
It is heavier, do not meet the developing direction of current automotive light weight technology;And SMC be pressed and molded, compare its have be easy to complicated shape molding,
Composite density is small, product weight can suitably mitigate, but needs both to meet product in the design phase when selection SMC material and set
Intensity is counted, avoids influencing shape appearance due to product material thickness changes and may cause the mass defects such as contraction and deformation again, it is many
Factor needs are taken into account, therefore considerably increase shape-designing difficulty and period, and may need to pass through repeatedly in the die debugging stage
The structures such as product reinforcing rib and wall thickness are modified to meet product requirement, and die manufacturing cycle is caused to extend.
To sum up, it still needs to one kind and had not only been able to satisfy the requirement of lightweight trend, but also be able to satisfy product design intensity requirement, prepare simultaneously
Automobile exterior trimming parts product of the advanced composite material (ACM) that technique is simplified as optimization.
Summary of the invention
The object of the present invention is to provide a kind of light weight, intensity is high, at low cost, preparation process simplifies polyurethane fiber it is multiple
The truck exterior trimming parts of condensation material.
The present invention in order to achieve the above objectives, is achieved especially by following technical scheme:
A kind of polyurethane fiber composite material truck exterior trimming parts, exterior trimming parts include the top for being mounted on truck headstock outer surface
Lid, deflector, door-plate, radiator grille, foot pedal and bumper, the top cover, deflector, door-plate, radiator grille, foot pedal and insurance
Thick stick is polyurethane fiber composite material, which includes composite sheet layer and be attached to composite sheet layer
The outer jacket of outer surface, composite sheet layer include encapsulant layer and the successively package covering from the inside to the outside outside encapsulant layer
Fibrous material layer and urethane material.
The support that the encapsulant layer structure of composite sheet layer innermost layer used in the technical program can increase plate is strong
Degree, can also meet truck exterior trimming parts to light-weighted requirement;It can be mentioned in the fibrous material layer of the outer layer covers of encapsulant layer
The impact resistance of internal encapsulant layer is risen, it is not easy to break;Urethane material foaming is made into undulation degree by technique production
The bed of material and encapsulant layer adhesion, realize the integrally formed of plate, enormously simplify the manufacturing process steps of composite board;Multiple
The reinforcement in composite sheet layer may be implemented in the outer guarantor layer for closing the attaching of sheet layer outermost layer, while having shock resistance, waterproof
With corrosion resistant effect.
Further, radiator grille front forms grid mounting hole by pre-buried threaded insert mode, and the back side passes through pre-buried
Threaded insert mode forms accessory mounting apertures, logo mounting hole, hinge mounting hole, strut mounting hole and lock mounting hole, before
Cover bottom is provided with ventilation opening.Positive grid mounting hole is for fixing heat dissipation grid, and front imports heat dissipation windward after vehicle driving
Grid, then cooling powerplant module is distributed through ventilation opening;Radiator grille is connect by hinge mounting hole and hinge with vehicle body;Lock installation
Hole is fixed with vehicle body radiator grille lock make-up;Strut mounting hole plays the branch that rises after covering unlatching in front for fixing strut, strut
Support effect.
Further, encapsulant layer is foamed polyurethane layer or paper honeycomb layer.The cellular material nest core of paper honeycomb layer has
Standby powerful supporting role, can satisfy the strength demand as supportive body, while paper honeycomb quality of materials is light, realizes whole
Lightweight.
Further, fibrous material layer is one of nonwoven layer, glass layer of cloth and glass carpet veneer.Fibrous material layer
Main function is its internal encapsulant layer package can be limited in certain spatial dimension, while also achieving mitigation
The effect of impact force suffered by inside.Encapsulant layer and fibrous material layer by the foaming of urethane material, infiltration, infiltration,
Curing mode realizes stacking curing molding.
Further, urethane material is polyurethane foam material layer, using polyurethane foam material layer as poly- ammonia
The sharpest edges of ester material layer are that one-step building can be carried out using foam process in manufacture craft, improve production and imitate
Rate reduces the production cost.Urethane material is realized by spraying method and is covered.
Further, outer jacket is zero foamed polyurethane layer, with a thickness of 1~2mm.Outer jacket is not foamed processing
Layer of polyurethane, intensity is high, and surface smooth and beautiful appearance, protective is good, reduces surface corrosion.Outer jacket and urethane material are to change
Learn reaction fusion adhesion.
The preparation step of the polyurethane fiber composite material truck exterior trimming parts is as follows:
S1, it after the encapsulant layer for cutting a wherein part dimension is layed in workbench, wraps up and binds on its surface
The fibrous material layer of same size;
In S2, the product merging flush coater for covering fibrous material layer for obtaining step S1, in fibrous material layer surface
Even application urethane material is re-fed into molding pressure maintaining curing molding, the temperature of curing molding process in the die cavity of molding die
Degree is set as 90~130 DEG C, and dwell pressure is 150~300T, and the dwell time is 100~300s;
S3, it is opened to after the completion of step S2 curing molding, obtains the composite sheet layer as truck exterior trimming parts substrate blank,
Integer deburring is carried out to substrate blank, obtains the substrate finished product of truck exterior trimming parts;
S4, the step S3 substrate finished product for completing integer deburring is put into injection molding lower die, lower mould is vacuumized
After adsorb substrate finished product, upper mould surface and substrate finished product are there are 1~2mm cavity after the upper die and lower die molding of mold, in cavity
Outer sheath material is injected, while upper mold vacuumizes and the polyurethane of outer jacket is guided to be full of cavity, rear pressure maintaining, mold temperature is set as
60~90 DEG C, dwell pressure is 80~200T, and the dwell time is 180~900s;
S5, pickup, overlap processing are opened after the completion of the step S4 dwell time, hole location cleaning paints, obtains wherein one
The finished product of part;
S6, it is directed to other component, repeats step S1~S5, obtain all of polyurethane fiber composite material truck exterior trimming parts
Each component finished product.
Compared with prior art, technical solution of the present invention is with polyurethane fiber enhances composite material and prepares automobile exterior
Part technology, with product prepared by its material characteristics, relative to same money vehicle metal product can loss of weight 40~60%, relative to same
For money SMC product can loss of weight 20~30%, and design can fully comply with original design intent, that is, it is multiple to can reach molding
Miscellaneous type face and save multiple sets of molds development cost and period, and readily satisfy design requirement.Utilize polyurethane fiber composite material
Each component that truck exterior trimming parts is prepared by techniques such as layering moldings, changes existing truck exterior trimming parts with metal stamping and SMC
The molding status of press moulding mode two ways, quality and the requirement of strength development trend for truck exterior trimming parts, meets simultaneously
To lightweight and high-intensitive requirement, step of preparation process is few, with short production cycle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of polyurethane fiber composite material;
Fig. 2 is the positive structure schematic of radiator grille in the present invention;
Fig. 3 is the structure schematic diagram of radiator grille in the present invention.
In figure, 1, composite sheet layer;2, outer jacket;3, encapsulant layer;4, fibrous material layer;5, urethane material;
6, grid mounting hole;7, accessory mounting apertures;8, logo mounting hole;9, hinge mounting hole;10, strut mounting hole;11, lock installation
Hole;12, ventilation opening;13, logo mounting groove;14, route via hole.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
A kind of polyurethane fiber composite material truck exterior trimming parts of the invention, exterior trimming parts include being mounted on truck headstock appearance
Top cover, deflector, door-plate, radiator grille, foot pedal and the bumper in face, specific installation site can be existing truck installation position
It sets, top cover, deflector, door-plate, radiator grille, foot pedal and bumper are polyurethane fiber composite material, as shown in Figure 1, should
Polyurethane fiber composite material includes that composite sheet layer 1 is formed with the outer jacket 2 for being attached to 1 outer surface of composite sheet layer, compound
Sheet layer 1 includes encapsulant layer 3 and successively wraps up the fibrous material layer 4 of covering from the inside to the outside outside encapsulant layer 3 and gather
Urethane material layer 5.
As shown in Figures 2 and 3, radiator grille front forms grid mounting hole 6 by pre-buried threaded insert mode, and radiator grille is just
Face is also provided with logo mounting groove 13 and route via hole 14, and route via hole 14 is through-hole;The radiator grille back side passes through pre-buried threaded insert
Mode forms accessory mounting apertures 7, logo mounting hole 8, hinge mounting hole 9, strut mounting hole 10 and lock mounting hole 11, radiator grille
Bottom is provided with ventilation opening 12, wherein accessory mounting apertures 7, logo mounting hole 8, hinge mounting hole 9, strut mounting hole 10 and ventilation opening
12 be it is arranged symmetrically, hinge mounting hole 9 be located at radiator grille center.
Radiator grille is the covering assembly part of truck cap front wall outmost surface, and radiator grille main function is and driving
Room or so side wall and bumper one integrated mass decorate front wall, and block the functor inside fixed front wall, have been to block protection admittedly
It is scheduled on the functor of the driver's cabin of front wall.Radiator grille is located at the centre of face before truck headstock driver's cabin, before specific region refers to
Windscreen is hereinafter, more than bumper, exterior trim covering assembly between the car door of left and right.Positive grid mounting hole 6 is for fixing
Heat dissipation grid, front imports heat dissipation grid windward after vehicle driving, then distributes cooling powerplant module through ventilation opening 12;Radiator grille is logical
It crosses hinge mounting hole 9 and hinge is connect with vehicle body;Lock mounting hole 11 is fixed with vehicle body radiator grille lock make-up;Strut mounting hole 10
For fixing strut, strut plays supporting role of rising after covering unlatching in front;Logo mounting hole 8 is through-hole, from the back side by emblem
Mark is fixed on radiator grille front;Accessory mounting apertures 7 are for being symmetrically installed left and right side plate.
Composite sheet layer 1 is multi-layer compound structure, and wherein encapsulant layer 3 is foamed polyurethane layer or paper honeycomb layer;It is fine
Dimension material layer 4 is one of nonwoven layer, glass layer of cloth and glass carpet veneer;Urethane material 5 is polyurethane foam material
Layer.Urethane material 5 realizes by spraying method and covers that encapsulant layer 3 and fibrous material layer 4 pass through urethane material
The foaming of 5 polyurethane material, infiltration, infiltration, curing mode realize stacking curing molding.Outer jacket 2 is attached to composite sheet
1 one side external surface of layer, are zero foamed polyurethane layer, with a thickness of 1~2mm.Zero polyurathamc of outer jacket 2 is disappeared by addition
Infusion and toughener realization are not foamed, and bending strength ratio polyurathamc is high.Outer jacket 2 and urethane material 5 pass through outer
Adhesion is merged in the chemical reaction of 2 polyurethane material of sheath, such as the polymerization reaction of polyurethane.Such as traditional truck exterior trimming parts material
Metal or glass reinforced plastic are generally equal thickness, and after its shape determines, product inner surface is needed due to installation, in fact it could happen that installation
The distant situation in position, thus the pre-buried structure of corresponding nut or other connection structures need to stretch out longer interconnecting piece,
Local material utilization amount is increased, the weight of product has also been increase accordingly.And composite sheet layer is according to function, assembly in the present invention
And process characteristic, not uniform thickness product can be made, in-between packing material is after product material entirety specification determines, thickness pair
The weight very little of product.In aspect of performance, the present invention can be carried out strength weak region according to the actual condition of component
Part thickeies, to that can be thinned at Assembly Interference empty avoiding, so that product design has biggish freedom degree.
Top cover, deflector, door-plate, radiator grille, the foot pedal of polyurethane fiber composite material truck exterior trimming parts of the invention
It is as follows with the preparation step of each component of bumper:
S1, it after the encapsulant layer for cutting a wherein part dimension is layed in workbench, wraps up and binds on its surface
The fibrous material layer of same size;
In S2, the product merging flush coater for covering fibrous material layer for obtaining step S1, in fibrous material layer surface
Even application urethane material is re-fed into molding pressure maintaining curing molding, the temperature of curing molding process in the die cavity of molding die
Degree is set as 90~130 DEG C, and dwell pressure is 150~300T, and the dwell time is 100~300s;
S3, it is opened to after the completion of step S2 curing molding, obtains the composite sheet layer as truck exterior trimming parts substrate blank,
Integer deburring is carried out to substrate blank, obtains the substrate finished product of truck exterior trimming parts;
S4, the step S3 substrate finished product for completing integer deburring is put into injection molding lower die, lower mould is vacuumized
After adsorb substrate finished product, upper mould surface and substrate finished product are there are 1~2mm cavity after the upper die and lower die molding of mold, in cavity
Outer sheath material is injected, while upper mold vacuumizes and the polyurethane of outer jacket is guided to be full of cavity, rear pressure maintaining, mold temperature is set as
60~90 DEG C, dwell pressure is 80~200T, and the dwell time is 180~900s;
S5, pickup, overlap processing are opened after the completion of the step S4 dwell time, hole location cleaning paints, obtains wherein one
The finished product of part;
S6, it is directed to other component, repeats step S1~S5, obtain all of polyurethane fiber composite material truck exterior trimming parts
Each component finished product.
By taking radiator grille as an example, the preparation step of the radiator grille of polyurethane fiber composite material is as follows:
S1, after the paper honeycomb for cutting corresponding vehicle radiator grille size is layed in workbench, same ruler is wrapped up on its surface
Very little glass-fiber-fabric, and bookbinding makes two layers of fixation;
In S2, the product merging flush coater for covering glass-fiber-fabric for obtaining step S1, in glass-fiber-fabric surface even application
Polyurethane foam material is re-fed into molding pressure maintaining curing molding, the temperature setting of curing molding process in the die cavity of molding die
It is 120 DEG C, pressure 200T, dwell time 300s;
S3, it is opened to after the completion of step S2 curing molding, the composite sheet layer as front plane substrate blank is obtained, to base
Slab part carries out integer deburring, obtains the substrate finished product of front panel;
S4, the step S3 substrate finished product for completing integer deburring is put into the injection molding lower die of pre-buried threaded insert, it will
Lower mould adsorbs substrate finished product after vacuumizing, after the upper die and lower die molding of mold upper mould surface and substrate finished product there are
1.5mm cavity, cavity is interior to inject zero blown polyurethane materials, while upper mold vacuumizes the polyurethane of guidance outer jacket full of sky
Chamber, rear pressure maintaining, mold temperature are set as 90 DEG C, dwell pressure 150T, dwell time 600s;
S5, pickup, overlap processing, hole location cleaning, spray painting, acquisition polyurethane fibre are opened after the completion of the step S4 dwell time
Tie up the finished product of composite material radiator grille.
The present invention prepares automobile exterior trimming parts technology using composite material is enhanced with polyurethane fiber, with its material spy
The prepared product of point, relative to same money vehicle metal product can loss of weight 40~60%, can subtract for same money SMC product
20~30% are weighed, and design can fully comply with original design intent, that is, can reach molding complex profile and save more sets
Mould development expense and period, and without taking into account the factor that too many product causes the design phase, it can reach quick product development
Effect is current automotive light weight technology and the urgent solution of Efficient Development.
Specific embodiment in the present invention is only explanation of the invention, is not limitation of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in scope of the presently claimed invention.
Claims (9)
1. a kind of polyurethane fiber composite material truck exterior trimming parts, which is characterized in that exterior trimming parts includes being mounted on outside truck headstock
Top cover, deflector, door-plate, radiator grille, foot pedal and the bumper on surface, the top cover, door-plate, radiator grille, are ridden deflector
Plate and bumper are polyurethane fiber composite material, which includes composite sheet layer (1) and attach
Outer jacket (2) in composite sheet layer outer surface, composite sheet layer include encapsulant layer (3) and outside encapsulant layer by interior
To the fibrous material layer (4) and urethane material (5) for successively wrapping up covering outside.
2. polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that the radiator grille is just
Face is formed grid mounting hole (6) by pre-buried threaded insert mode, and the back side forms attachment by pre-buried threaded insert mode and pacifies
Fill hole (7), logo mounting hole (8), hinge mounting hole (9), strut mounting hole (10) and lock mounting hole (11), radiator grille bottom
It is provided with ventilation opening (12).
3. polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that encapsulant layer is
Foamed polyurethane layer or paper honeycomb layer.
4. polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that fibrous material layer is
One of nonwoven layer, glass layer of cloth and glass carpet veneer are a variety of.
5. polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that urethane material
For polyurethane foam material layer.
6. polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that outer jacket is zero hair
Layer of polyurethane is steeped, with a thickness of 1~2mm.
7. according to claim 1, polyurethane fiber composite material truck exterior trimming parts described in 3 or 4, which is characterized in that filling material
The bed of material and fibrous material layer are realized by the infiltration of polyurethane material, infiltration, foaming, curing mode is laminated curing molding.
8. polyurethane fiber composite material truck exterior trimming parts according to claim 1 or 5, which is characterized in that polyurethane material
The bed of material is realized by spraying method and is covered.
9. -6 any polyurethane fiber composite material truck exterior trimming parts according to claim 1, which is characterized in that described outer
The preparation step of gadget is as follows:
S1, it after the encapsulant layer for cutting a wherein part dimension is layed in workbench, wraps up and binds same on its surface
The fibrous material layer of size;
It is uniform in fibrous material layer surface in S2, the product merging flush coater for covering fibrous material layer for obtaining step S1
Spraying polyurethane material layer is re-fed into molding pressure maintaining curing molding, the temperature of curing molding process in the die cavity of molding die and sets
90~130 DEG C are set to, dwell pressure is 150~300T, and the dwell time is 100~300s;
S3, it is opened to after the completion of step S2 curing molding, the composite sheet layer as truck exterior trimming parts substrate blank is obtained, to base
Slab part carries out integer deburring, obtains the substrate finished product of truck exterior trimming parts;
S4, the step S3 substrate finished product for completing integer deburring is put into injection molding lower die, is inhaled after lower mould is vacuumized
Attached firmly substrate finished product, there are 1~2mm cavity, cavity is interior to be injected for upper mould surface and substrate finished product after the upper die and lower die molding of mold
Outer sheath material, while upper mold vacuumizes the polyurethane of guidance outer jacket full of cavity, rear pressure maintaining, mold temperature is set as 60~
90 DEG C, dwell pressure is 80~200T, and the dwell time is 180~900s;
S5, it is opened pickup after the completion of the step S4 dwell time, overlap processing, hole location cleaning, spray painting obtains a wherein component
Finished product;
S6, it is directed to other component, repeats step S1~S5, obtain all portions of polyurethane fiber composite material truck exterior trimming parts
Part finished product.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109484324A (en) * | 2018-12-28 | 2019-03-19 | 江阴协统汽车附件有限公司 | Exterior trimming parts connection structure, mold and the method for manufacturing exterior trimming parts connection structure |
WO2020207020A1 (en) * | 2019-04-12 | 2020-10-15 | 苏州科逸住宅设备股份有限公司 | Building board and manufacturing method thereof |
CN112873914A (en) * | 2020-12-29 | 2021-06-01 | 江苏华曼复合材料科技有限公司 | Method for manufacturing high top cover of truck and high top cover of truck |
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CN107199667A (en) * | 2017-05-22 | 2017-09-26 | 浙江杉盛模塑科技有限公司 | The injection processing method of zero polyurathamc composite |
CN208774103U (en) * | 2018-08-14 | 2019-04-23 | 浙江杉盛模塑科技有限公司 | A kind of polyurethane fiber composite material truck exterior trimming parts |
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CN107199667A (en) * | 2017-05-22 | 2017-09-26 | 浙江杉盛模塑科技有限公司 | The injection processing method of zero polyurathamc composite |
CN208774103U (en) * | 2018-08-14 | 2019-04-23 | 浙江杉盛模塑科技有限公司 | A kind of polyurethane fiber composite material truck exterior trimming parts |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109484324A (en) * | 2018-12-28 | 2019-03-19 | 江阴协统汽车附件有限公司 | Exterior trimming parts connection structure, mold and the method for manufacturing exterior trimming parts connection structure |
WO2020207020A1 (en) * | 2019-04-12 | 2020-10-15 | 苏州科逸住宅设备股份有限公司 | Building board and manufacturing method thereof |
CN112873914A (en) * | 2020-12-29 | 2021-06-01 | 江苏华曼复合材料科技有限公司 | Method for manufacturing high top cover of truck and high top cover of truck |
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