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CN105691334A - Bumper device integrally formed by metal/composite material - Google Patents

Bumper device integrally formed by metal/composite material Download PDF

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Publication number
CN105691334A
CN105691334A CN 201610127540 CN201610127540A CN105691334A CN 105691334 A CN105691334 A CN 105691334A CN 201610127540 CN201610127540 CN 201610127540 CN 201610127540 A CN201610127540 A CN 201610127540A CN 105691334 A CN105691334 A CN 105691334A
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bumper
material
composite
device
car
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CN 201610127540
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Chinese (zh)
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孙凌玉
李立军
张海珠
黄彬城
朱盼
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北京航空航天大学
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/023Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement

Abstract

The invention discloses a bumper device integrally formed by a metal/composite material and belongs to the technical field of car light weight and collision safety. The bumper device comprises a bumper beam metal outer plate, a bumper beam composite material inner plate, an energy absorbing box, composite material inner plate reinforcing ribs and composite material buckles. Based on the design concept of car light weight and modularization, the characteristics that the bearing ability of metal is high, the specific strength of the composite material is high, the collision energy absorbing property is good and complex geometries can be formed are utilized comprehensively, and the bumper device is manufactured through the advanced direct injection molding and bonding integral forming technology. The car bumper device integrally formed is high in integration degree, the assembly flow is shortened, the economic benefits are good, and popularization is easy. As the composite material is used, the weight of a bumper is reduced, the light weight is achieved, fuel consumption of the car is reduced, the tail gas emission is reduced, the reinforcing rib structure with the good bearing ability is designed and manufactured, and the collision safety of the car bumper is improved.

Description

一种金属/复合材料一体化成型的保险杠装置 Metal / composites integrally molded bumper means

技术领域 FIELD

[0001]本发明涉及一种在汽车碰撞中变形吸能的保险杠装置,尤其涉及一种金属/复合材料一体化成型的保险杠装置,它采用了直接注塑粘附一体化成型工艺,综合了金属承载能力强、刚度好和复合材料重量轻、可成型复杂几何的优点,从而形成了一种轻量化和集成化的金属与复合材料混合保险杠结构,属于汽车轻量化与碰撞安全技术领域。 [0001] The present invention relates to a modification in the automobile bumper collision energy absorbing apparatus, and particularly to the bumper device of a metal / composite integrated molding, which uses a direct injection molding process integration adhesion, a combination strong metallic bearing capacity, stiffness, and light weight composite materials, the advantages of complex geometry can be shaped so as to form an integrated and lightweight composite material with a metal mixed bumper structure, belonging to lightweight car crash and security technology.

背景技术 Background technique

[0002]在全球范围内,环境保护和能源危机日益受到关注,汽车减重和节能减排势在必行,汽车轻量化成为汽车行业的重要发展方向。 [0002] on a global scale, environmental protection and energy crisis growing concern, automotive weight reduction and energy conservation is imperative, lightweight vehicles become an important direction of development of the automotive industry. 但是,需要注意的是,汽车轻量化并不是单纯地减重,而是需要在保证汽车安全性的前提下实现重量降低。 However, it should be noted, lightweight vehicles is not simply to lose weight, but need to ensure the realization of the security under the premise of reducing the weight of vehicles. 其中,汽车尤其是乘用车的碰撞安全性关系到乘员和行人的人身安全,在汽车轻量化过程中必须重视。 Among them, vehicles, especially passenger cars crash safety related to the safety of occupants and pedestrians, must pay attention in automotive lightweight process. 汽车保险杠是保证汽车碰撞安全性的重要承载件。 Bumper is important to ensure that the carrier vehicle crash safety. 因此,汽车保险杠的轻量化研究和设计具有很强的挑战性和难度。 Therefore, the study and design of lightweight car bumper with a strong challenge and difficulty.

[0003]目前,高强度钢、铝合金等金属是汽车保险杠横梁常用的材料,高强度钢承载能力强、耐碰撞性好,但是密度大,铝合金密度小,但是强度低、易氧化且成本高。 [0003] Currently, high-strength steel metal, aluminum and the like are commonly used in automotive bumper beam material, high-strength steel strong bearing capacity, good impact resistance, but the high density, low density aluminum alloy, but the strength is low, and easily oxidized high cost. 有的汽车企业尝试采用塑料制作保险杠横梁,但是其抗碰撞冲击性能差,存在一定的安全隐患。 Some car companies try to make plastic bumper beam, but its anti-collision impact poor performance, there are some security risks. 复合材料,特别是碳纤维增强复合材料和玻璃纤维增强复合材料,具有密度小,比强度、比刚度高,可设计性强,耐腐蚀性好等优点,是应用前景很广阔的轻量化材料。 Composite materials, particularly carbon fiber reinforced composites and glass fiber reinforced composite material having a low density, strength, stiffness, high designability, good corrosion resistance, etc., is very broad application prospects of lightweight materials. 但是,复合材料特别是碳纤维增强复合材料的成本较高、原材料有限,还无法在汽车工业中大面积应用。 However, composite materials, particularly the high cost of carbon fiber reinforced composite material, the raw material is limited, a large area can not in the automotive industry. 因此,可以综合利用金属和复合材料的优点,将金属与复合材料成型为一个整体,二者取长补短,开发出重量轻且安全的汽车保险杠结构。 Therefore, utilization of the advantages of metal and composite materials, metallic composite material is molded as a whole, both of each other, the development of lightweight automobile bumper structure and secure. 同时,可以减少零件数量,缩短装配路线,实现模块化和集成化生产,避免焊接,提高保险杠安全性。 At the same time, reducing the number of parts, reduced assembly line, modular and integrated production, to avoid welding, improving safety bumper.

发明内容 SUMMARY

[0004] 1、发明目的: [0004] 1, object of the invention:

[0005]本发明的目的在于提供一种金属/复合材料一体化成型的保险杠装置,采用直接注塑粘附工艺实现金属与热塑性复合材料一体化成型,综合利用热塑性复合材料密度小、可成型复杂几何的特点和金属承载能力强的优点,既可以提高汽车的碰撞安全性,又能减轻汽车保险杠的重量,减少汽车尾气排放,同时还能大幅度减少汽车保险杠的零部件数量,降低生产装配成本。 [0005] The object of the present invention to provide a bumper device of a metal / composite integrated molding, direct injection molding process to achieve adhesion with the metal materials forming the thermoplastic composite integration, utilization of small thermoplastic composite density, moldable complex geometric features and advantages of the carrying capacity of strong metal, can enhance crash safety car, but also to reduce the weight of the car bumper, reduce vehicle emissions, while significantly reducing the number of parts car bumper, lower production assembly costs.

[0006] 2、技术方案: [0006] 2, technical solutions:

[0007]基于汽车轻量化、高安全性和模块化的设计理念,降低汽车保险杠中金属特别是高强度钢的厚度和使用量,增加密度小、比强度、比刚度高、回收利用性好且可成型复杂几何的热塑性复合材料,综合利用二者的优点,取长补短,采用在金属表面直接注塑粘附工艺制成的一种金属/复合材料一体化成型的保险杠装置,见附图,该结构包括保险杠横梁金属外板、保险杠横梁复合材料内板、吸能盒、复合材料内板加强筋和复合材料锁扣。 [0007] Based on automobiles lightweight, high security and modular design, reducing the thickness and the amount of metal automobile bumpers high strength steels in particular, increased low density, strength, high stiffness, good recycling and moldable thermoplastic composite of complex geometry, the advantages of utilization of both, each other, using the bumper device directly on the surface of a metal in a metal injection molding process made adhesive / composite integrated molding, see the drawings, the bumper beam structure comprising a metal outer plate, the inner panel material composite bumper beam, the crash box, the composite sheet and the composite material stiffeners latch. 它们之间的位置连接关系是:保险杠横梁金属外板与保险杠横梁复合材料内板通过注塑工艺粘附在一起;保险杠横梁复合材料内板与吸能盒固连在一起,为注塑一体化成型;吸能盒位于保险杠横梁复合材料内板的两端;复合材料内板加强筋位于保险杠横梁复合材料内板的内部,与保险杠横梁复合材料内板和吸能盒固连,为注塑一体化成型;复合材料锁扣位于复合材料内板加强筋的筋板交叉处,通过注塑生成,插入保险杠横梁金属外板的外弧部的孔中,与保险杠横梁金属外板固连;保险杠横梁复合材料内板、吸能盒、复合材料内板加强筋和复合材料锁扣共同组成了本发明的复合材料模块,通过直接在保险杠横梁金属外板上注塑实现一体化成型。 Position of the connection relation between them is: a metal outer plate and the bumper beam within the bumper beam composite sheet adhered together by an injection molding process; the bumper beam and energy absorbing composite sheet cartridge fixedly connected together, as one injection of molding; crash box located at both ends of the bumper beam within the composite plate; inner composite sheet bumper beam reinforcing rib positioned within the interior of the composite sheet, the inner composite sheet and the bumper beam is fixedly connected to the crash box, injection molding is integrated; composite material is located within the latch composite sheet stiffener ribs at the intersection of generating by injection, the insertion hole of the outer arc portion bumper beam outer metal plates, an outer metal plate and the bumper beam solid even; inner composite sheet bumper beam, the crash box, the composite sheet and the composite material stiffeners latch together to form the composite module of the present invention, implemented integrally molded by direct injection molding on the outer panel metal bumper beam . 这种一体化成型的汽车保险杠装置,零件数量少,接合牢固,生产速度快,省掉了焊接等装配流程,可以实现碰撞过程中的多级吸能,提高了汽车的碰撞安全性,同时实现了减重。 This means integrally molded car bumper, the small number of parts, joined firmly, production speed, eliminating the need for welding assembly process, the process may be implemented in a multi-stage impact energy absorption, improve the collision safety of automobiles, while achieved weight loss.

[0008]所述保险杠横梁金属外板是自制件,采用屈服强度大于400MPa的高强度钢,钢板厚度0.6〜1mm,经过冲压工艺制造而成,前端部弧形处有直径1mm的孔,上下端部有翻边,内部表面采用铬酸刻蚀的表面处理工艺,增加内表面的粗糙度,以提高金属外板与注塑复合材料的粘附力,其功能是作为复合材料注塑成型的载体和支撑,并通过自身的变形和断裂来吸收碰撞能量。 [0008] The bumper beam is made of metal outer plate member, high strength steel, the yield strength of greater than 400MPa plate thickness of 0.6~1mm, manufactured through a stamping process, the front end portion of the arc-shaped hole of 1mm diameter, vertical end of the cuff portion, the interior surface using chromic acid etch surface treatment, increasing the roughness of the inner surface, to improve adhesion of metal plate and the injection molded outer composite material, which functions as a carrier and injection molding a composite material support, and through its own deformation and fracture to absorb the impact energy.

[0009]所述保险杠横梁复合材料内板是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP),在保险杠横梁金属外板内表面注塑成型,厚度为2〜4mm,其功能是实现复合材料模块与金属板件粘附接合,提高结构的强度和碰撞吸能性。 [0009] The bumper beam is made within the composite sheet member, the thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP), the bumper beam within the outer metal surface of the injection molded plate, a thickness of 2~4mm its function is to achieve a composite material with a metal plate modules adhesive bonding, to improve the strength and impact energy absorption structure.

[0010]所述吸能盒是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度为3〜5mm,与保险杠横梁复合材料内板一体成型,两个吸能盒以弧形保险杠横梁金属外板的圆周角的角平分线成轴对称布置,通过端部的安装孔位实现与车架前纵梁的螺栓连接,安装孔的具体尺寸根据其应用的汽车前部结构而定,其功能是把保险杠横梁安装于车架上,并通过自身变形和破坏来吸收碰撞能量。 [0010] The energy absorbing cartridge member is made from thermoplastic composite material, in particular made of injection molded glass fiber reinforced thermoplastic composites (of GFRP), a thickness of 3~5mm, the inner composite sheet integrally molded bumper beam, two a crash box at a circumferential angle arcuate bumper beam angle bisector outer metal plate axisymmetric arrangement for connections to the frame front side member through the bolt holes end mounting portion, according to the specific dimensions of the mounting holes which automotive front portion of the structure depending on the application, the function of which is attached to the bumper beam to the frame and to absorb impact energy through its deformation and damage.

[0011 ]所述复合材料内板加强筋是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度2〜4mm,与保险杠横梁复合材料内板一体成型,布置形式为十字交叉型,在实际生产中还可以为其他形状,筋板的数量和布置间距可以根据保险杠的外形尺寸和碰撞安全性需求而定,其功能是增强保险杠的强度和刚度。 [0011] The inner stiffener composite sheet member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, the thickness of 2~4mm, the inner composite sheet integrally molded bumper beam arranged in the form of cross-type, in the actual production amount may also be other shapes and arrangement pitch, ribs may depend on the dimensions of the bumper collision safety requirements and which functions to enhance the strength and stiffness of the bumper .

[0012]所述复合材料锁扣是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,与复合材料内板加强筋一体成型,插入保险杠横梁金属外板外弧部的孔中,其功能是提高复合材料模块与金属板的接合强度。 [0012] The composite latch member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, the reinforcing rib is integrally formed with the inner panel a composite material, a metal outer plate inserted bumper beam the hole portion outside the arc, the function of which is to improve the joining strength of the composite module and the metal plate.

[0013] 3、本发明“一种金属/复合材料一体化成型的保险杠装置”,其优点如下: [0013] 3, the present invention "means the bumper metal / composite integration molding", the following advantages:

[0014] (I).本发明零件数量少,集成度高,可以实现一体化成型,不需要焊接等装配工艺,节约人力和物力,经济效益好。 [0014] (I). The present invention is a small number of parts, high integration can be realized integrally molded, the assembly process does not require welding or the like, saving manpower and material resources, good economic.

[0015] (2).本发明重量轻,回收利用性好,有助于汽车节能和减少尾气排放,采用金属和复合材料的混合结构,可以实现碰撞过程中的多级吸能,提高了汽车的碰撞安全性。 [0015] (2). The present invention is a light weight, good recycling helps to save energy and reduce automotive emissions, and hybrid metal composite structures, may be implemented in a multi-stage process of collision energy absorption, improved car crash safety. 而且,本发明的复合材料模块能够设计和注塑制造成复杂几何形状,能够进一步提高保险杆的安全性能。 Further, the composite module of the present invention is able to design and manufacture injection molded into complex geometries, can be further improved safety bumper.

[0016] (3).本发明可使用现有汽车工业的冲压和注塑工艺设备,生产兼容性好,加工速度快,可满足汽车工业大批量、快节拍的生产要求。 [0016] (3) The present invention can use conventional stamping and injection molding equipment in the automotive industry, the production of good compatibility, processing speed, the automotive industry to meet the high-volume, fast-paced production requirements.

[0017]总之,该结构可以提高汽车的碰撞安全性,减轻汽车保险杠的重量,减少汽车尾气排放,提高汽车零部件的集成化程度,节约资源和人力,而且适合汽车工业大批量快速的生产节拍要求,具有非常广阔的应用前景。 [0017] In summary, this structure can improve the crashworthiness of the car, reducing the weight of the car bumper, reduce vehicle emissions and improve the degree of integration of automotive components, saving resources and manpower, and the automotive industry for high-volume production fast beat requirements, with a very broad application prospects.

附图说明 BRIEF DESCRIPTION

[0018]结合附图,通过对下述非限定性优选实施例的描述,可以更好地理解本发明; [0018] conjunction with the accompanying drawings, description of embodiments of the following non-limiting Preferably, the present invention may be better understood;

[0019]图1本发明的金属-复合材料一体化成型保险杠的立体示意图; [0019] FIG invention a metal - a perspective schematic view of a bumper composite integration molding;

[0020]图2本发明的金属-复合材料一体化成型保险杠的左视图; [0020] FIG metal 2 of the present invention - Integration left side view of the composite material is molded bumper;

[0021 ]图3本发明的金属-复合材料一体化成型保险杠的爆炸图; [0021] FIG metal3 invention - an exploded view of an integrated composite material is molded bumper;

[0022]图中符号说明如下:1_保险杠横梁金属外板、2-保险杠横梁复合材料内板、3-吸能盒、4-复合材料内板加强筋、5-复合材料锁扣。 [0022] Description of Symbols in FIG follows: 1_ outer sheet metal bumper beam, the bumper beam composite sheet 2-, 3- crash box, the composite sheet stiffener 4-, 5- composite latch.

具体实施方式 detailed description

[0023]下面结合附图对本发明实施例作进一步详细说明: [0023] Example embodiments of the drawings The invention is further described in detail below in conjunction with:

[0024]如附图所示,本发明一种金属/复合材料一体化成型的保险杠装置,包括以下部件:保险杠横梁金属外板1、保险杠横梁复合材料内板2、吸能盒3、复合材料内板加强筋4、复合材料锁扣5。 A method according to the present invention, metal / composites integrally molded bumper device [0024] As shown in the drawings, it comprises the following components: an outer metal plate 1 bumper beam, the bumper beam 2 within the composite panel, absorbing cartridge 3 , the composite inner panel stiffener 4, the latch 5 composites. 它们之间的位置连接关系是:保险杠横梁金属外板I与保险杠横梁复合材料内板2通过注塑工艺粘附在一起;保险杠横梁复合材料内板2与吸能盒3固连在一起,为注塑一体化成型;吸能盒3位于保险杠横梁复合材料内板2的两端;复合材料内板加强筋4位于保险杠横梁复合材料内板2的内部,与保险杠横梁复合材料内板2和吸能盒3固连,为注塑一体化成型;复合材料锁扣5位于复合材料内板加强筋4的筋板交叉处,通过注塑生成,插入保险杠横梁金属外板I的外弧部的孔中,与保险杠横梁金属外板I固连,提高保险杠横梁金属外板I与保险杠横梁复合材料内板2的接合强度;保险杠横梁复合材料内板2、吸能盒3、复合材料内板加强筋4和复合材料锁扣5共同组成了本发明的复合材料模块,通过直接在保险杠横梁金属外板I上注塑实现一体化成型。 Position of the connection relation between them is: 2 by an injection molding process to adhere together the outer metal plates I bumper beam and the bumper beam within the composite panel; the bumper beam 2 and the absorbent composite sheet cassette 3 can be fixedly connected , injection molded integrally molded; crash box 3 located at both ends of the bumper beam 2 of the composite sheet material; composite inner panel reinforcing ribs 42 is positioned inside the bumper beam within the composite board material, the bumper beam and the composite material plate 2 and the suction box 3 is fixedly connected to the integration of the injection molding; composite latch plate 5 is located within the composite rib stiffener at the intersection 4, generated by injection molding, is inserted into the metal bumper beam of the outer panel outer arc I hole section, the outer metal plate and the bumper beam I is fixedly connected to the bonding strength of the bumper beam I and the metal plate outer bumper beam 2 of the composite sheet; composite plates within the bumper beam 2, the crash box 3 , the inner composite sheet and the composite material stiffeners 4 5 together form a latch composite module of the present invention is achieved by integrally molded bumper beam directly on the metal outer plate I injection.

[0025]所述保险杠横梁金属外板I是自制件,采用屈服强度大于400MPa的高强度钢,钢板厚度0.6〜1mm,经过冲压工艺制造而成,前端部弧形处有直径1mm的孔,上下端部有翻边,内部表面采用铬酸刻蚀的表面处理工艺,以增加内表面的粗糙度,提高保险杠横梁金属外板I与保险杠横梁复合材料内板2的粘附力。 [0025] The bumper beam is made of metal outer plate member I, the use of high strength steel, the yield strength of greater than 400MPa plate thickness of 0.6~1mm, manufactured through a stamping process, the front end portion of the arcuate holes has a diameter of 1mm, upper and lower end flange portion, the inside surface of surface treatment using chromic acid etched to increase the roughness of the inner surface of the bumper beam to improve adhesion of the metal outer plate I and the bumper beam 2 of the composite sheet.

[0026]所述保险杠横梁复合材料内板2是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP),在保险杠横梁金属外板I内表面注塑成型,厚度为2〜4mm。 [0026] The bumper beam 2 within the composite sheet member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP), the inner surface of the injection molded outer sheet metal bumper beam I, a thickness of 2 ~4mm.

[0027]所述吸能盒3是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度为3〜5mm,与保险杠横梁复合材料内板2—体成型,两个吸能盒3以弧形保险杠横梁金属外板I的圆周角的角平分线成轴对称布置,通过端部的安装孔位实现与车架前纵梁的螺栓连接,安装孔的具体尺寸根据其应用的汽车车架前部结构而定。 [0027] The energy absorbing member cartridge 3 is made from a thermoplastic composite material, in particular made of injection molded glass fiber reinforced thermoplastic composites (of GFRP), a thickness of 3~5mm, the inner composite sheet member bumper beam 2- molding, two energy absorbing cartridge 3 at an angle circumferential angle arcuate outer sheet metal bumper beam I bisector axisymmetric arrangement, and bolting the frame to achieve the front side member through the mounting holes of the end portion of the mounting hole specific dimensions depend on the structure of the vehicle frame front portion of its application.

[0028]所述复合材料内板加强筋4是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度2〜4mm,与保险杠横梁复合材料内板2—体成型,布置形式为十字交叉型,在实际生产中还可以为其他形状,筋板的数量和布置间距可以根据保险杠的外形尺寸和碰撞安全性需求而定。 [0028] The inner stiffener composite sheet member 4 is made from thermoplastic composite material, in particular made of injection molded glass fiber reinforced thermoplastic composites (of GFRP), a thickness of 2~4mm, the inner composite sheet and the bumper beam 2 - shaping arranged in the form of cross-type, in the actual production amount may also be other shapes and arrangement pitch, ribs may depend on the dimensions and the bumper collision safety requirements.

[0029]所述复合材料锁扣5是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,与复合材料内板加强筋4一体成型,插入保险杠横梁金属外板I夕卜弧部的孔中。 [0029] The composite latch member 5 is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, the inner panel and reinforcing ribs 4 are integrally molded composites, metal insert bumper beam Bu I Xi outer plate hole portion of the arc.

[0030]如附图所示,本发明所涉及的金属/复合材料一体化成型的保险杠装置,基于汽车轻量化、高安全性和模块化设计理念,通过冲压获得保险杠横梁金属外板I,将其放入热的注塑模具中,在保险杠横梁金属外板I的内表面注塑,可以一次性获得由保险杠横梁复合材料内板2、吸能盒3、复合材料内板加强筋4和复合材料锁扣5共同组成的复合材料模块,并完成复合材料模块与金属板件的粘附接合,工艺简单,生产速度快,与汽车制造工艺兼容性好,避免了焊接等装配流程,节约成本,易于在汽车工业中大批量推广。 [0030] The outer sheet metal bumper beam I as shown in the figures, the bumper device according to the present invention is a metal / integrally molded composites based on lightweight vehicles, high security and modular design, obtained by punching the injection mold it into heat, the inner surface of the outer sheet metal injection molded bumper beam I can be obtained from the disposable composite sheet bumper beam 2, the crash box 3, the inner composite sheet stiffener 4 composites and composites module composed of the striker 5 and complete the adhesive bonding the composite material and the metal of the panel module, simple process, production speed, compatibility with the automobile manufacturing process, to avoid the welding assembly process, saving cost, ease of mass promotion in the automotive industry. 复合材料的使用大大降低了保险杠的重量,实现了轻量化,同时充分利用复合材料可成型复杂几何的特点,设计并制造了承载能力好的加强筋结构,提高了汽车保险杠的碰撞安全性。 Composite material greatly reduces the weight of the bumper, to achieve a lightweight, full use of the characteristics of the composite material can be formed of complex geometric design and manufacture of the stiffener structure good bearing capacity, improve the collision safety of automobile bumpers . 吸能盒3与保险杠横梁一体化成型,减少了吸能盒装配流程,同时提高了吸能盒3与保险杠的接合强度,抗冲击能力更强。 3 crash box integrally molded with the bumper beam, reducing the energy absorbing cartridge mounting process, the crash box while increasing the bonding strength of the bumper 3, the impact resistance stronger. 在工程设计和生产中,吸能盒3和复合材料内板加强筋4的形状不局限于上述优选方案,还可以为其他形状,如:加强筋为矩形格栅形状,吸能盒中增加十字加强筋等,本发明对此不做限制。 In the design and production engineering, the crash box 3 and the inner shape of the composite panel reinforcement rib 4 is not limited to the preferred embodiment, it may be other shapes, such as: a rectangular lattice shape reinforcing ribs, increased cross crash box ribs, etc., the present invention is not limited in this regard. 由于本发明采用了金属和复合材料的混合结构,配合巧妙的结构设计,可以实现碰撞过程中的多级吸能,提高了汽车的碰撞安全性。 Since the present invention employs a hybrid of metal and composite structures, with ingenious design can be achieved during the multi-stage impact energy absorption, improve the collision safety of the vehicle.

[0031]本发明按照设想实施特例进行了说明,但不局限于上述实例,凡是符合本发明的思路,采用相似结构及材料替换的方法所获得的技术方案,都属于本发明的保护范围之内。 [0031] Specific examples of the present invention as contemplated embodiments have been described, but not limited to the above examples, all in line with the idea of ​​the present invention, a similar structure and method of alternative technical solution of the obtained material, they are within the scope of protection of the present invention. .

Claims (1)

1.一种金属/复合材料一体化成型的保险杠装置,其特征在于:该结构包括保险杠横梁金属外板、保险杠横梁复合材料内板、吸能盒、复合材料内板加强筋和复合材料锁扣。 The bumper apparatus for a metal / composite integrated molding, characterized in that: the bumper beam structure comprises an outer metal plate, the bumper beam within the composite sheet, the crash box, the composite sheet and the composite stiffeners material lock. 它们之间的位置连接关系是:保险杠横梁金属外板与保险杠横梁复合材料内板通过注塑工艺粘附在一起;保险杠横梁复合材料内板与吸能盒固连在一起,为注塑一体化成型;吸能盒位于保险杠横梁复合材料内板的两端;复合材料内板加强筋位于保险杠横梁复合材料内板的内部,与保险杠横梁复合材料内板和吸能盒固连,为注塑一体化成型;复合材料锁扣位于复合材料内板加强筋的筋板交叉处,通过注塑生成,插入保险杠横梁金属外板的外弧部的孔中,与保险杠横梁金属外板固连;保险杠横梁复合材料内板、吸能盒、复合材料内板加强筋和复合材料锁扣共同组成了本发明的复合材料模块,通过直接在保险杠横梁金属外板上注塑实现一体化成型。 Position of the connection relation between them is: a metal outer plate and the bumper beam within the bumper beam composite sheet adhered together by an injection molding process; the bumper beam and energy absorbing composite sheet cartridge fixedly connected together, as one injection of molding; crash box located at both ends of the bumper beam within the composite plate; inner composite sheet bumper beam reinforcing rib positioned within the interior of the composite sheet, the inner composite sheet and the bumper beam is fixedly connected to the crash box, injection molding is integrated; composite material is located within the latch composite sheet stiffener ribs at the intersection of generating by injection, the insertion hole of the outer arc portion bumper beam outer metal plates, an outer metal plate and the bumper beam solid even; inner composite sheet bumper beam, the crash box, the composite sheet and the composite material stiffeners latch together to form the composite module of the present invention, implemented integrally molded by direct injection molding on the outer panel metal bumper beam . 这种一体化成型的汽车保险杠装置,零件数量少,接合牢固,生产速度快,省掉了焊接等装配流程,可以实现碰撞过程中的多级吸能,提高了汽车的碰撞安全性,同时实现了减重。 This means integrally molded car bumper, the small number of parts, joined firmly, production speed, eliminating the need for welding assembly process, the process may be implemented in a multi-stage impact energy absorption, improve the collision safety of automobiles, while achieved weight loss. 所述保险杠横梁金属外板是自制件,采用屈服强度大于400MPa的高强度钢,钢板厚度.0.6〜1mm,经过冲压工艺制造而成,前端部弧形处有直径1mm的孔,上下端部有翻边,内部表面采用铬酸刻蚀的表面处理工艺,增加内表面的粗糙度,以提高金属外板与注塑复合材料的粘附力,其功能是作为复合材料注塑成型的载体和支撑,并通过自身的变形和断裂来吸收碰撞能量。 The bumper beam is made of metal outer plate member, high strength steel, the yield strength of greater than 400MPa plate thickness of .0.6~1mm, manufactured through a stamping process, the front end portion of the arc-shaped hole of 1mm diameter, upper and lower end portions burring, inner surface with chromic acid etch surface treatment, increasing the roughness of the inner surface, an outer metal plate and to increase the composite adhesion to the injection molding, a composite material which functions as a carrier and injection molded support, and to absorb impact energy through its own deformation and fracture. 所述保险杠横梁复合材料内板是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP),在保险杠横梁金属外板内表面注塑成型,厚度为2〜4mm,其功能是实现复合材料模块与金属板件粘附接合,提高结构的强度和碰撞吸能性。 The bumper beam is made within the composite sheet member, the thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP), the inner surface of the injection molded bumper beam in a metal outer sheet, a thickness of 2~4mm, functional modules to achieve a composite material with a metal plate adhesive bonding, to improve the strength and impact energy absorption structure. 所述吸能盒是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度为3〜5mm,与保险杠横梁复合材料内板一体成型,两个吸能盒以弧形保险杠横梁金属外板的圆周角的角平分线成轴对称布置,通过端部的安装孔位实现与车架前纵梁的螺栓连接,安装孔的具体尺寸根据其应用的汽车前部结构而定,其功能是把保险杠横梁安装于车架上,并通过自身变形和破坏来吸收碰撞能量。 The crash box member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, a thickness of 3~5mm, the bumper beam and the composite inner plate integrally formed, two energy absorbing cartridge angular circumferential angle arcuate outer metal plate bumper beam bisector axisymmetric arrangement, and bolting the frame to achieve the front side member through the mounting holes of the end portions, according to the specific dimensions of the mounting holes in the automotive application fixed front portion structure, its function is the bumper beam mounted on the frame, and to absorb impact energy through its deformation and damage. 所述复合材料内板加强筋是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,厚度2〜4mm,与保险杠横梁复合材料内板一体成型,布置形式为十字交叉型,在实际生产中还可以为其他形状,筋板的数量和布置间距可以根据保险杠的外形尺寸和碰撞安全性需求而定,其功能是增强保险杠的强度和刚度。 Said composite sheet stiffener member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, the thickness of 2~4mm, the inner composite sheet integrally molded bumper beam, arrangement crisscross pattern, in the actual production amount may also be other shapes and arrangement pitch, ribs may depend on the dimensions of the bumper collision safety requirements and which functions to enhance the strength and stiffness of the bumper. 所述复合材料锁扣是自制件,由热塑性复合材料,特别是热塑性玻璃纤维增强复合材料(GFRP)注塑制成,与复合材料内板加强筋一体成型,插入保险杠横梁金属外板外弧部的孔中,其功能是提高复合材料模块与金属板的接合强度。 The composite latch member is made from thermoplastic composite material, in particular glass fiber reinforced thermoplastic composites (of GFRP) is made of injection molding, the reinforcing rib is integrally formed with the inner panel of composite material, is inserted into an outer arc of the bumper beam metal outer plate portion holes, whose function is to increase the bonding strength of the composite module and the metal plate.
CN 201610127540 2016-03-07 2016-03-07 Bumper device integrally formed by metal/composite material CN105691334A (en)

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Publication number Priority date Publication date Assignee Title
US6179320B1 (en) * 1999-04-26 2001-01-30 Ford Global Technologies, Inc. Tow hitch rear bumper assembly
CN102529859A (en) * 2010-11-10 2012-07-04 通用汽车环球科技运作有限责任公司 Bumper Cross Member For A Motor Vehicle, Reinforcement Component For A Bumper Cross Member And Method For Producing A Bumper Cross Member
CN104276114A (en) * 2013-07-09 2015-01-14 现代自动车株式会社 Hybrid bumper beam for vehicle, manufacturing method therefor and bumper beam unit thereof
CN104401277A (en) * 2014-10-24 2015-03-11 奇瑞汽车股份有限公司 Automobile anticollision structure part and preparation method thereof
CN204845820U (en) * 2015-07-17 2015-12-09 北京汽车股份有限公司 Preceding crashproof roof beam assembly and car

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6179320B1 (en) * 1999-04-26 2001-01-30 Ford Global Technologies, Inc. Tow hitch rear bumper assembly
CN102529859A (en) * 2010-11-10 2012-07-04 通用汽车环球科技运作有限责任公司 Bumper Cross Member For A Motor Vehicle, Reinforcement Component For A Bumper Cross Member And Method For Producing A Bumper Cross Member
CN104276114A (en) * 2013-07-09 2015-01-14 现代自动车株式会社 Hybrid bumper beam for vehicle, manufacturing method therefor and bumper beam unit thereof
CN104401277A (en) * 2014-10-24 2015-03-11 奇瑞汽车股份有限公司 Automobile anticollision structure part and preparation method thereof
CN204845820U (en) * 2015-07-17 2015-12-09 北京汽车股份有限公司 Preceding crashproof roof beam assembly and car

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