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 PDF

Info

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
Authority
CN
China
Prior art keywords
layer
trimming parts
exterior trimming
fiber composite
composite material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810924569.5A
Other languages
Chinese (zh)
Inventor
李加春
毛华星
周兴超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shan Sheng Molding Science And Technology Ltd
Original Assignee
Zhejiang Shan Sheng Molding Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Shan Sheng Molding Science And Technology Ltd filed Critical Zhejiang Shan Sheng Molding Science And Technology Ltd
Priority to CN201810924569.5A priority Critical patent/CN108859168A/en
Publication of CN108859168A publication Critical patent/CN108859168A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations 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
    • B29C69/02Combinations 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14311Injection 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14778Injection 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
    • B29C45/14786Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14778Injection 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
    • B29C45/14811Multilayered articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping 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
    • B29C70/34Shaping 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
    • B29C70/345Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered 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
    • B32B3/10Layered 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
    • B32B3/12Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/58Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00Vehicles
    • B32B2605/003Interior finishings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00Vehicles
    • B32B2605/10Trains

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

A kind of polyurethane fiber composite material truck exterior trimming parts
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.
CN201810924569.5A 2018-08-14 2018-08-14 A kind of polyurethane fiber composite material truck exterior trimming parts Pending CN108859168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810924569.5A CN108859168A (en) 2018-08-14 2018-08-14 A kind of polyurethane fiber composite material truck exterior trimming parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810924569.5A CN108859168A (en) 2018-08-14 2018-08-14 A kind of polyurethane fiber composite material truck exterior trimming parts

Publications (1)

Publication Number Publication Date
CN108859168A true CN108859168A (en) 2018-11-23

Family

ID=64318950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810924569.5A Pending CN108859168A (en) 2018-08-14 2018-08-14 A kind of polyurethane fiber composite material truck exterior trimming parts

Country Status (1)

Country Link
CN (1) CN108859168A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Similar Documents

Publication Publication Date Title
CN105793145B (en) For manufacturing the method and external covering member of the external covering member of large area
CN108859168A (en) A kind of polyurethane fiber composite material truck exterior trimming parts
US20110262703A1 (en) Process for producing a composite component from plastic, composite component produced by this process and use of such a component
Othman et al. Application of Carbon fiber reinforced plastics in automotive industry: A review
CN101407168A (en) Passenger car skylight sunshading board and production process thereof
CN208819956U (en) A kind of lightweight composite material battery case with fire resisting and electro-magnetic screen function
JP2001518427A (en) Roof for load-bearing vehicle and method of manufacturing the same
CN108859167A (en) A kind of light composite material train inside gadget with high-strength coating
TR201811101T4 (en) Vehicle bodywork and the method of vehicle configuration.
CN208774103U (en) A kind of polyurethane fiber composite material truck exterior trimming parts
JP2018517601A (en) External vehicle trim parts
CN208774104U (en) A kind of light composite material train inside gadget with high-strength coating
EP1283155B1 (en) Method of producing a vehicle outer panel
CN106828612B (en) The electric car bonnet of integrated injection molding forming
US5954389A (en) Reinforced front part for use in the manufacture of cabins/bodies for vehicles
CN109955697A (en) A kind of carbon fiber car door and its manufacturing method
CN208006729U (en) A kind of Automobile Dashboard and automobile
CN112356925B (en) Carbon fiber composite material front hatch cover assembly of fuel cell hydrogen energy automobile
Studer Automotive applications of stampable reinforced thermoplastics development prospects
Kurcz et al. A case for replacing steel with glass-mat thermoplastic composites in spare-wheel well applications
US11691575B2 (en) Sandwich-type, composite component having a sprayed backside protective coating
CN210174980U (en) High-strength automobile front-end module
CN1081149C (en) Manufacture of car body made of glass fiber reinforced plastics
US20240042749A1 (en) Partition for a commercial or transport vehicle
CN201769921U (en) Large-board type carriage with skirt edge

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination