WO2020258741A1 - 车轮及车轮制造方法 - Google Patents

车轮及车轮制造方法 Download PDF

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Publication number
WO2020258741A1
WO2020258741A1 PCT/CN2019/124630 CN2019124630W WO2020258741A1 WO 2020258741 A1 WO2020258741 A1 WO 2020258741A1 CN 2019124630 W CN2019124630 W CN 2019124630W WO 2020258741 A1 WO2020258741 A1 WO 2020258741A1
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WIPO (PCT)
Prior art keywords
rim
wheel
connecting protrusion
welding
spoke
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PCT/CN2019/124630
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English (en)
French (fr)
Inventor
王露芬
陈晓弟
李顺平
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浙江金固股份有限公司
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Application filed by 浙江金固股份有限公司 filed Critical 浙江金固股份有限公司
Publication of WO2020258741A1 publication Critical patent/WO2020258741A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/06—Rims characterised by means for attaching spokes, i.e. spoke seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/12—Appurtenances, e.g. lining bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/30—Manufacturing methods joining
    • B60B2310/302—Manufacturing methods joining by welding
    • B60B2310/3026—Manufacturing methods joining by welding by laser welding

Definitions

  • This application relates to the field of vehicle technology, and in particular to a wheel and a method for manufacturing the wheel.
  • a wheel in the prior art, includes a rim and spokes. After the spokes and the rim are assembled, the ends of the spokes are welded to the rim by submerged arc welding or gas shielded welding.
  • the above-mentioned welding methods lead to a large heat-affected zone of the wheel, which affects the fatigue life of the wheel.
  • the main purpose of this application is to provide a wheel and a method for manufacturing the wheel to solve the problem that the heat affected zone of the wheel in the prior art is large, which affects the service life of the wheel.
  • a wheel including: spokes, the spokes including a spoke body and a connecting protrusion; a rim, the connecting protrusion is connected to the surface of the spoke body facing the rim, and the axial direction of the rim
  • the peripheral edge of one end is connected with the connecting protrusion by means of laser welding, and there is a weld bead structure between the connecting protrusion and the peripheral edge of the first axial end of the rim, and the thickness H of the weld bead structure is less than or equal to 3 mm.
  • the peripheral edge of the first axial end of the rim is bent toward the inner side of the rim and then extends to form a flanging structure; or the peripheral edge of the first axial end of the rim is bent toward the outer side of the rim and then extends to form a flanging Structure, the flanging structure and the connecting protrusion are connected by laser welding.
  • the surface of the connecting protrusion facing the flanging structure is flat; or the surface of the flanging structure facing the connecting protrusion is flat; or the surface of the connecting protrusion facing the flanging structure is flat, and the flanging structure faces The surface of the connecting protrusion is flat.
  • the spoke body has a central hole and a plurality of ventilation holes, the plurality of ventilation holes are spaced around the outer periphery of the central hole, and the connecting protrusions are connected to the inner periphery of the ventilation holes.
  • the spoke body includes a support ring plate and a central end plate, the central end plate is connected to the inner periphery of the support ring plate, the central end plate is provided with a central hole, and the connecting protrusion is turned from the support ring plate toward the rim
  • the peripheral edge of the first end in the axial direction is convexly formed.
  • the end surface of the free end of the flanging structure is flush with the inner surface of the ventilation hole.
  • the connecting protrusion and the spoke body are an integral structure.
  • the width D of the weld bead structure is greater than or equal to 2 mm and less than or equal to 10 mm.
  • the spoke body has a central hole, and there are one or more connecting protrusions.
  • the connecting protrusions are continuously arranged around the circumference of the central hole.
  • a plurality of connecting protrusions are arranged at intervals along the radial direction of the central hole.
  • a wheel manufacturing method for manufacturing the above-mentioned wheel includes: laser welding the peripheral edge of the first axial end of the rim and the spokes of the wheel. The connection is made so that the thickness H of the weld bead structure at the weld between the circumferential edge of the first end of the rim and the connecting protrusion is less than or equal to 3 mm.
  • the spokes are connected to the rim by laser welding. Because the heat affected area of laser welding is small, it will not affect the strength of the welding place between the spokes and the rim, thereby solving the problem of the wheel in the prior art.
  • the heat-affected zone is large, which affects the service life of the wheel, and improves the structural strength of the wheel, ensuring that the wheel has a good use safety and a long life.
  • laser welding has the characteristics of short welding time and low welding energy consumption, thereby helping to improve the production efficiency of wheels and reduce the production cost of wheels.
  • laser welding produces less smoke and dust, which provides operators with a better working and protective environment.
  • the thickness H of the weld bead structure at the welding place of the rim and the spoke is less than or equal to 3 mm.
  • Figure 1 shows a cross-sectional view of an embodiment of a wheel according to the present application.
  • Fig. 2 shows an enlarged schematic diagram of the wheel A in Fig. 1.
  • orientation words used such as “up and down” are usually for the direction shown in the drawings, or for the vertical, vertical or gravitational direction.
  • left and right usually refers to the left and right shown in the drawings;
  • inner and outer refers to the inner and outer parts relative to the contour of each component itself, but the above-mentioned orientation The words are not used to limit this application.
  • the present application provides a wheel and a method for manufacturing the wheel.
  • the wheel includes spokes 10 and a rim 20.
  • the spoke 10 includes a spoke body 11 and a connecting protrusion 12.
  • the connecting protrusion 12 is connected to the surface of the spoke body 11 facing the rim 20, the peripheral edge of the first axial end of the rim 20 is connected to the connecting protrusion 12 by laser welding, and the connecting protrusion 12 is connected to the first axial direction of the rim 20.
  • the spoke 10 is connected to the rim 20 by means of laser welding. Since the heat affected area of laser welding is small, it will not affect the strength of the welding place between the spoke 10 and the rim 20, thereby solving the problem. There is a problem in the technology that the heat affected zone of the wheel is large, which affects the service life of the wheel, and the structural strength of the wheel is improved, which ensures that the wheel has a good use safety and a long life.
  • laser welding has the characteristics of short welding time and low welding energy consumption, thereby helping to improve the production efficiency of wheels and reduce the production cost of wheels. In addition, laser welding produces less smoke and dust, which provides operators with a better working and protective environment. Wherein, the thickness H of the weld bead structure at the weld between the rim 20 and the spoke 10 is less than or equal to 3 mm.
  • the above-mentioned arrangement of the connecting protrusion 12 is beneficial to the formation of the weld seam, improves the welding quality, and further improves the structural strength of the wheel.
  • the weld bead structure 30 extends continuously. In this way, the connecting protrusion 12 and the rim 20 are welded together by full welding, so as to ensure that the spoke 10 and the rim 20 can be connected stably.
  • connection between the connecting protrusion 12 and the rim 20 has a plurality of weld bead structures 30, and the plurality of weld bead structures 30 are arranged at intervals around the circumference of the rim 20, which is the basis for ensuring that the spokes 10 and the rim 20 can be connected stably
  • the peripheral edge of the first axial end of the rim 20 is bent toward the inner side of the rim 20 and then extends to form a flanging structure 21, and the flanging structure 21 and the connecting protrusion 12 are connected by laser welding.
  • welding the connecting protrusion 12 and the flanging structure 21 makes the welding of the spokes 10 and the rim 20 easier and simpler, and reduces the difficulty of operation.
  • the above structure has a simple structure, is easy to process and realize, and reduces the processing cost of the wheel.
  • the position of the flanging structure 21 is not limited to this.
  • the peripheral edge of the first axial end of the rim 20 is bent toward the outside of the rim 20 and then extends to form a flanging structure 21. In this way, welding the connecting protrusion 12 and the flanging structure 21 makes the welding of the spokes 10 and the rim 20 easier and simpler, and reduces the difficulty of operation.
  • the surface of the connecting protrusion 12 facing the flanged structure 21 is flat, and the surface of the flanged structure 21 facing the connecting protrusion 12 is flat.
  • the above arrangement enables the connecting protrusion 12 and the flanging structure 21 to achieve a good fit, which is convenient for welding.
  • the above arrangement makes the size of the welding bead structure 30 more uniform, improves the welding quality of the connecting protrusion 12 and the flanging structure 21, thereby improving the overall structural strength of the wheel and extending the service life of the wheel.
  • the spoke body 11 has a central hole 111 and a plurality of ventilation holes 112.
  • the plurality of ventilation holes 112 are spaced around the outer periphery of the central hole 111, and the connecting protrusions 12 are connected to the inner periphery of the ventilation holes 112. In this way, when the wheels are running, the external airflow exchanges heat with the wheels through the ventilation holes 112, so as to reduce the surface temperature of the wheels, thereby prolonging the service life of the wheels.
  • the above arrangement of the central hole 111 and the multiple ventilation holes 112 on the one hand makes the processing of the spoke body 11 easier and reduces the processing difficulty; on the other hand, it makes the spoke body 11 more uniform in force under the action of the external airflow, which improves The structural strength of the wheel.
  • the spoke body 11 includes a support ring plate 113 and a central end plate 114.
  • the central end plate 114 is connected to the inner periphery of the support ring plate 113.
  • the central end plate 114 is provided with a central hole 111 and a connecting protrusion 12
  • the support ring plate 113 is formed by protruding toward the peripheral edge of the first axial end of the rim 20.
  • the connecting protrusion 12 and the spoke body 11 are an integral structure
  • the support ring plate 113 is horn-shaped
  • the connecting protrusion 12 is formed by bending the support ring plate 113, thereby reducing the processing cost of the spoke body 11 and reducing the staff Labor intensity.
  • the end surface of the free end of the flanging structure 21 is flush with the inner surface 112 a of the ventilation hole 112.
  • the above arrangement can prevent the external airflow from colliding with the flanging structure 21, on the one hand, it prevents structural damage of the flanging structure 21 and affects the welding strength of the spokes 10 and the rim 20; on the other hand, it reduces the external airflow.
  • the impact on the wheel reduces the vibration and noise of the wheel.
  • the width D of the weld bead structure 30 is greater than or equal to 2 mm and less than or equal to 10 mm. In this way, the above-mentioned size setting of the weld bead structure 30 can ensure the connection strength of the flanging structure 21 and the connecting protrusion 12, thereby improving the overall structural strength of the wheel and extending the service life of the wheel.
  • the connecting protrusion 12 is one and is continuously arranged around the circumference of the central hole 111 to form a first ring structure.
  • the flanging structure 21 is a second ring structure, and the surfaces of the two ring structures are attached to each other for welding, thereby making the welding of the spoke 10 and the rim 20 easier and simpler, and reducing the processing of the wheel. The cost reduces the labor intensity of the staff.
  • connecting protrusions 12 is not limited to this.
  • the flanging structure 21 is a ring structure, and the plurality of connecting protrusions 12 are all attached to the ring structure for welding.
  • a plurality of connecting protrusions 12 there are a plurality of flanging structures 21, the plurality of flanging structures 21 and the plurality of connecting protrusions 12 are arranged in one-to-one correspondence, and the flanging structure 21 and its corresponding connecting protrusions 12 Perform welding to complete the welding of the wheel.
  • spot welding is used to weld the spokes 10 and the rim 20, which reduces the use of the weld bead structure 30 while ensuring the strength of the wheel structure.
  • the wheels are full-surface wheels.
  • the outer periphery of the support ring plate 113 is bent to form a first rim structure
  • the second axial end of the rim 20 is bent to form a second rim structure.
  • the rim 20 and the spokes 10 are welded to form a wheel.
  • the connecting seam after the rim 20 and the spoke 10 of the full-surface wheel are connected will not be directly exposed on the exterior surface of the wheel, so that the full-surface wheel has a good aesthetic appearance.
  • the present application also provides a wheel manufacturing method for manufacturing the above-mentioned wheel.
  • the wheel manufacturing method includes:
  • the circumferential edge of the first axial end of the rim 20 and the connecting protrusion 12 of the spoke 10 are connected by laser welding, so that the circumferential edge of the first axial end of the rim 20 and the connecting protrusion 12 are welded
  • the thickness H of the weld bead structure 30 is less than or equal to 3 mm.
  • the manufacturing method further includes the steps of processing the surface of the connecting protrusion 12 facing the flanging structure 21 into a plane by turning, and processing the surface of the flanging structure 21 facing the connecting protrusion 12 into a plane by turning.
  • the spokes 10 and the rim 20 can be closely attached, thereby further The connection stability between the spokes 10 and the rim 20 is improved.
  • welding the rim 20 and the spokes 10 to form a wheel includes: performing preliminary positioning of the rim 20 and the spokes 10 by spot welding. The relative movement of the rim 20 and the spokes 10 during the welding process is avoided, which affects the assembly accuracy of the wheel.
  • welding the rim 20 and the spokes 10 to form a wheel further includes: welding the rim 20 and the spokes 10 together by full welding.
  • the full welding method can ensure the stability of the connection between the spoke 10 and the rim 20.
  • welding the rim 20 and the spoke 10 to form a wheel further includes: welding the rim 20 and the spoke 10 together by means of partial welding, forming a plurality of weld bead structures 30 at the joint of the two, and multiple welding
  • the track structure 30 is arranged at intervals around the circumference of the rim 20, and on the basis of ensuring that the spoke 10 and the rim 20 can be connected stably, the amount of welding rod used is reduced, thereby reducing the manufacturing cost of the wheel.
  • the spokes are connected to the rim by laser welding. Because the heat affected area of laser welding is small, it will not affect the strength of the welding place between the spokes and the rim, thereby solving the problem of the large heat affected area of the wheel in the prior art. The problem of the service life of the wheel, and the structural strength of the wheel is improved, which ensures that the wheel has a good use safety and a long life. At the same time, laser welding has the characteristics of short welding time and low welding energy consumption, thereby helping to improve the production efficiency of wheels and reduce the production cost of wheels. In addition, laser welding produces less smoke and dust, which provides operators with a better working and protective environment. Wherein, the thickness H of the weld bead structure at the welding place of the rim and the spoke is less than or equal to 3 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

本申请提供了一种车轮及车轮制造方法。其中，车轮包括：轮辐，轮辐包括轮辐本体和连接凸起；轮辋，连接凸起与轮辐本体朝向轮辋的表面连接，轮辋的轴向第一端的周沿通过激光焊接的方式与连接凸起连接，连接凸起与轮辋的轴向第一端的周沿之间具有焊道结构，焊道结构的厚度H小于或等于3mm。本申请有效地解决了现有技术中车轮的热影响区较大，影响车轮使用寿命的问题。

Description

车轮及车轮制造方法 技术领域
本申请涉及车辆技术领域，具体而言，涉及一种车轮及车轮制造方法。
背景技术
在现有技术中，车轮包括轮辋和轮辐，待轮辐和轮辋通过装配后，轮辐的末端通过埋弧焊或气保焊的方式与轮辋焊接连接在一起。然而，上述焊接方式导致车轮的热影响区较大，影响车轮的疲劳寿命。
发明内容
本申请的主要目的在于提供一种车轮及车轮制造方法，以解决现有技术中车轮的热影响区较大，影响车轮使用寿命的问题。
为了实现上述目的，根据本申请的一个方面，提供了一种车轮，包括：轮辐，轮辐包括轮辐本体和连接凸起；轮辋，连接凸起与轮辐本体朝向轮辋的表面连接，轮辋的轴向第一端的周沿通过激光焊接的方式与连接凸起连接，连接凸起与轮辋的轴向第一端的周沿之间具有焊道结构，焊道结构的厚度H小于或等于3mm。
在一个优选实施例中，轮辋的轴向第一端的周沿朝向轮辋的内侧弯曲后延伸形成翻边结构；或者轮辋的轴向第一端的周沿朝向轮辋的外侧弯曲后延伸形成翻边结构，翻边结构与连接凸起通过激光焊接的方式连接。
在一个优选实施例中，连接凸起朝向翻边结构的表面为平面；或者翻边结构朝向连接凸起的表面为平面；或者连接凸起朝向翻边结构的表面为平面，且翻边结构朝向连接凸起的表面为平面。
在一个优选实施例中，轮辐本体具有中心孔和多个通风孔，多个通风孔绕中心孔的外周围间隔设置，连接凸起与通风孔的内周缘连接。
在一个优选实施例中，轮辐本体包括支撑环板和中心端板，中心端板与支撑环板的内周沿连接，中心端板上开设有中心孔，连接凸起由支撑环板朝向轮辋的轴向第一端的周沿凸出形成。
在一个优选实施例中，沿轮辋的径向，翻边结构的自由端的端面与通风孔的内表面平齐设置。
在一个优选实施例中，连接凸起与轮辐本体为一体结构。
在一个优选实施例中，焊道结构的宽度D大于等于2mm且小于等于10mm。
在一个优选实施例中，轮辐本体具有中心孔，连接凸起为一个或多个，当连接凸起为一个时，连接凸起绕中心孔的周向连续设置，当连接凸起为多个时，多个连接凸起沿中心孔的径向间隔设置。
根据本申请的另一方面，提供了一种车轮制造方法，用于制造上述的车轮，车轮制造方法包括：将轮辋的轴向第一端的周沿与轮辐的连接凸起采用激光焊接的方式进行连接，以使位于轮辋的轴向第一端的周沿与连接凸起的焊接处的焊道结构的厚度H小于或等于3mm。
应用本申请的技术方案，轮辐通过激光焊接的方式与轮辋连接，由于激光焊接的热影响区域较小，不会对轮辐和轮辋的焊接处的强度造成影响，进而解决了现有技术中车轮的热影响区较大，影响车轮使用寿命的问题，且提升了车轮的结构强度，确保了车轮具有很好的使用安全性和较长的寿命。同时，激光焊接具有焊接时间短和焊接能耗低的特性，从而有利于提升车轮的生产效率和有利于降低车轮的生产成本。此外，激光焊接的烟尘较小，从而为操作者提供更好的工作环境和保护环境。其中，位于轮辋与轮辐的焊接处的焊道结构的厚度H小于或等于3mm。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了根据本申请的车轮的实施例的剖视图；以及
图2示出了图1中的车轮的A处放大示意图。
其中，上述附图包括以下附图标记：
10、轮辐；11、轮辐本体；111、中心孔；112、通风孔；112a、内表面；113、支撑环板；114、中心端板；12、连接凸起；20、轮辋；21、翻边结构；30、焊道结构。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
需要指出的是，除非另有指明，本申请使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。
在本申请中，在未作相反说明的情况下，使用的方位词如“上、下”通常是针对附图所示的方向而言的，或者是针对竖直、垂直或重力方向上而言的；同样地，为便于理解和描述，“左、右”通常是针对附图所示的左、右；“内、外”是指相对于各部件本身的轮廓的内、外，但上述方位词并不用于限制本申请。
为了解决现有技术中车轮的热影响区较大，影响车轮使用寿命的问题，本申请提供了一种车轮及车轮制造方法。
如图1和图2所示，车轮包括轮辐10和轮辋20。其中，轮辐10包括轮辐本体11和连接凸起12。连接凸起12与轮辐本体11朝向轮辋20的表面连接，轮辋20的轴向第一端的周沿通过激光焊接的方式与连接凸起12连接，连接凸起12与轮辋20的轴向第一端的周沿之间具有焊道结构30，焊道结构30的厚度H小于或等于3mm。
应用本实施例的技术方案，轮辐10通过激光焊接的方式与轮辋20连接，由于激光焊接的热影响区域较小，不会对轮辐10和轮辋20的焊接处的强度造成影响，进而解决了现有技术中车轮的热影响区较大，影响车轮使用寿命的问题，且提升了车轮的结构强度，确保了车轮具有很好的使用安全性和较长的寿命。同时，激光焊接具有焊接时间短和焊接能耗低的特性，从而有利于提升车轮的生产效率和有利于降低车轮的生产成本。此外，激光焊接的烟尘较小，从而为操作者提供更好的工作环境和保护环境。其中，位于轮辋20与轮辐10的焊接处的焊道结构的厚度H小于或等于3mm。
在本实施例中，连接凸起12的上述设置有利于焊缝形成，提高了焊接质量，进而提升了车轮的结构强度。
在本实施例中，焊道结构30连续延伸。这样，通过满焊的方式将连接凸起12和轮辋20焊接在一起，从而保证轮辐10与轮辋20能够稳定连接。
可选地，连接凸起12和轮辋20的连接处具有多个焊道结构30，且多个焊道结构30绕轮辋20的周向间隔设置，在保证轮辐10与轮辋20能够稳定连接的基础上，减少焊条的使用量，从而降低车轮的制造成本。
如图2所示，轮辋20的轴向第一端的周沿朝向轮辋20的内侧弯曲后延伸形成翻边结构21，翻边结构21与连接凸起12通过激光焊接的方式连接。这样，将连接凸起12与翻边结构21进行焊接，进而使得工作人员对轮辐10和轮辋20的焊接更加容易、简便，降低了操作难度。同时，上述结构的结构简单，容易加工、实现，降低了车轮的加工成本。
需要说明的是，翻边结构21的位置不限于此。可选地，轮辋20的轴向第一端的周沿朝向轮辋20的外侧弯曲后延伸形成翻边结构21。这样，将连接凸起12与翻边结构21进行焊接，进而使得工作人员对轮辐10和轮辋20的焊接更加容易、简便，降低了操作难度。
在本实施例中，连接凸起12朝向翻边结构21的表面为平面，且翻边结构21朝向连接凸起12的表面为平面。这样，上述设置使得连接凸起12与翻边结构21能够实现良好的贴合，便于进行焊接。同时，上述设置使得焊道结构30的尺寸更加均匀，提升了连接凸起12与翻边结构21的焊接质量，进而提升了车轮的整体结构强度，延长了车轮的使用寿命。
具体地，考虑到车轮的加工效率和加工成本问题，可以仅对连接凸起12朝向翻边结构21的表面进行车削加工，并保证该表面的平面度。也可以仅对翻边结构21朝向连接凸起12的表面进行车削加工，并保证该表面的平面度。
在本实施例中，轮辐本体11具有中心孔111和多个通风孔112，多个通风孔112绕中心孔111的外周围间隔设置，连接凸起12与通风孔112的内周缘连接。这样，在车轮行驶过程中，外界气流通过通风孔112与车轮进行热量交换，以降低车轮的表面温度，进而延长了车轮的使用寿命。同时，中心孔111和多个通风孔112的上述设置一方面使得轮辐本体11的加工更加容易，降低了加工难度；另一方面使得轮辐本体11在外界气流作用下的受力更加均匀，提升了车轮的结构强度。
如图1所示，轮辐本体11包括支撑环板113和中心端板114，中心端板114与支撑环板113的内周沿连接，中心端板114上开设有中心孔111，连接凸起12由支撑环板113朝向轮辋20的轴向第一端的周沿凸出形成。具体地，连接凸起12与轮辐本体11为一体结构，支撑环板113呈喇叭状，连接凸起12由支撑环板113折弯形成，进而降低了轮辐本体11的加工成本，降低了工作人员的劳动强度。
如图3所示，沿轮辋20的径向，翻边结构21的自由端的端面与通风孔112的内表面112a平齐设置。这样，在车辆行驶过程中，上述设置能够避免外界气流对翻边结构21进行碰撞，一方面防止翻边结构21发生结构破损而影响轮辐10与轮辋20的焊接强度；另一方面减小外界气流对车轮的冲击，降低车轮的振动及噪声。
如图2所示，焊道结构30的宽度D大于等于2mm且小于等于10mm。这样，焊道结构30的上述尺寸设置能够保证翻边结构21与连接凸起12的连接强度，进而提升了车轮的整体结构强度，延长了车轮的使用寿命。
在本实施例中，连接凸起12为一个且绕中心孔111的周向连续设置，以形成第一环状结构。具体地，翻边结构21为第二环状结构，两个环状结构朝向彼此的表面相贴合，以进行焊接，进而使得轮辐10与轮辋20的焊接更加容易、简便，降低了车轮的加工成本，降低了工作人员的劳动强度。
需要说明的是，连接凸起12的个数不限于此。可选地，连接凸起12为多个，多个连接凸起12沿中心孔111的径向间隔设置。具体地，翻边结构21为环状结构，多个连接凸起12均与环状结构贴合，以进行焊接。
可选地，连接凸起12为多个，翻边结构21为多个，多个翻边结构21与多个连接凸起12一一对应地设置，翻边结构21与其相对应的连接凸起12进行焊接，以完成车轮的焊接。这样，采用点焊的方式对轮辐10和轮辋20进行焊接，在保证车轮结构强度的前提下减少了焊道结构30的使用量。
在本实施例中，车轮为全表面车轮。具体地，支撑环板113的外周沿折弯后延伸形成第一轮缘结构，轮辋20的轴向第二端折弯后延伸形成第二轮缘结构，轮辋20与轮辐10贴合后，再将轮辋20和轮辐10通过焊接的方式形成车轮，通过保证轮辋20和轮辐10的同轴度，从而保证第一轮缘结构和第二轮缘结构的同轴度。全表面车轮的轮辋20和轮辐10连接后的连接缝不会直接暴露在车轮的外观面上，从而使全表面车轮具有良好的外观美感。
本申请还提供了一种车轮制造方法，用于制造上述的车轮，车轮制造方法包括：
将轮辋20的轴向第一端的周沿与轮辐10的连接凸起12采用激光焊接的方式进行连接，以使位于轮辋20的轴向第一端的周沿与连接凸起12的焊接处的焊道结构30的厚度H小于或等于3mm。
可选地，制造方法还包括如下步骤：通过车削加工将连接凸起12朝向翻边结构21的表面加工为平面，通过车削加工将翻边结构21朝向连接凸起12的表面加工为平面。这样，通过保证连接凸起12朝向翻边结构21的表面的平面度，以及保证翻边结构21朝向连接凸起12的表面的平面度，使轮辐10与轮辋20能够紧密贴合，从而进一步地提升轮辐10与轮辋20的连接稳定性。
可选地，将轮辋20与轮辐10焊接形成车轮包括：通过点焊的方式对轮辋20与轮辐10进行初步定位。避免轮辋20与轮辐10在焊接过程中发生相对窜动，影响车轮的装配精度。
可选地，将轮辋20与轮辐10焊接形成车轮还包括：采用满焊的方式将轮辋20与轮辐10焊接在一起。这样，采用满焊的方式能够保证轮辐10与轮辋20之间的连接稳定性。
可选地，将轮辋20与轮辐10焊接形成车轮还包括：采用非满焊的方式将轮辋20与轮辐10焊接在一起，在两者的连接处形成多个焊道结构30，且多个焊道结构30绕轮辋20的周向间隔设置，在保证轮辐10与轮辋20能够稳定连接的基础上，减少焊条的使用量，从而降低车轮的制造成本。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：
轮辐通过激光焊接的方式与轮辋连接，由于激光焊接的热影响区域较小，不会对轮辐和轮辋的焊接处的强度造成影响，进而解决了现有技术中车轮的热影响区较大，影响车轮使用寿命的问题，且提升了车轮的结构强度，确保了车轮具有很好的使用安全性和较长的寿命。同时，激光焊接具有焊接时间短和焊接能耗低的特性，从而有利于提升车轮的生产效率和有利于降低车轮的生产成本。此外，激光焊接的烟尘较小，从而为操作者提供更好的工作环境和保护环境。其中，位于轮辋与轮辐的焊接处的焊道结构的厚度H小于或等于3mm。
显然，上述所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、工作、器件、组件和/或它们的组合。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据 在适当情况下可以互换，以便这里描述的本申请的实施方式能够以除了在这里图示或描述的那些以外的顺序实施。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种车轮，其特征在于，包括：
    轮辐(10)，所述轮辐(10)包括轮辐本体(11)和连接凸起(12)；
    轮辋(20)，所述连接凸起(12)与所述轮辐本体(11)朝向所述轮辋(20)的表面连接，所述轮辋(20)的轴向第一端的周沿通过激光焊接的方式与所述连接凸起(12)连接，所述连接凸起(12)与所述轮辋(20)的轴向第一端的周沿之间具有焊道结构(30)，所述焊道结构(30)的厚度H小于或等于3mm。
  2. 根据权利要求1所述的车轮，其特征在于，所述轮辋(20)的轴向第一端的周沿朝向所述轮辋(20)的内侧弯曲后延伸形成翻边结构(21)；或者所述轮辋(20)的轴向第一端的周沿朝向所述轮辋(20)的外侧弯曲后延伸形成翻边结构(21)，所述翻边结构(21)与所述连接凸起(12)通过激光焊接的方式连接。
  3. 根据权利要求2所述的车轮，其特征在于，所述连接凸起(12)朝向所述翻边结构(21)的表面为平面；或者翻边结构(21)朝向所述连接凸起(12)的表面为平面；或者所述连接凸起(12)朝向所述翻边结构(21)的表面为平面，且所述翻边结构(21)朝向所述连接凸起(12)的表面为平面。
  4. 根据权利要求2所述的车轮，其特征在于，所述轮辐本体(11)具有中心孔(111)和多个通风孔(112)，多个所述通风孔(112)绕所述中心孔(111)的外周围间隔设置，所述连接凸起(12)与所述通风孔(112)的内周缘连接。
  5. 根据权利要求4所述的车轮，其特征在于，所述轮辐本体(11)包括支撑环板(113)和中心端板(114)，所述中心端板(114)与所述支撑环板(113)的内周沿连接，所述中心端板(114)上开设有所述中心孔(111)，所述连接凸起(12)由所述支撑环板(113)朝向所述轮辋(20)的轴向第一端的周沿凸出形成。
  6. 根据权利要求5所述的车轮，其特征在于，沿所述轮辋(20)的径向，所述翻边结构(21)的自由端的端面与所述通风孔(112)的内表面(112a)平齐设置。
  7. 根据权利要求1所述的车轮，其特征在于，所述连接凸起(12)与所述轮辐本体(11)为一体结构。
  8. 根据权利要求1所述的车轮，其特征在于，所述焊道结构(30)的宽度D大于等于2mm且小于等于10mm。
  9. 根据权利要求1所述的车轮，其特征在于，所述轮辐本体(11)具有中心孔(111)，所述连接凸起(12)为一个或多个，当所述连接凸起(12)为一个时，所述连接凸起(12)绕所述中心孔(111)的周向连续设置，当所述连接凸起(12)为多个时，多个所述连接凸起(12)沿所述中心孔(111)的径向间隔设置。
  10. 一种车轮制造方法，其特征在于，用于制造权利要求1至9中任一项所述的车轮，所述车轮制造方法包括：
    将轮辋(20)的轴向第一端的周沿与轮辐(10)的连接凸起(12)采用激光焊接的方式进行连接，以使位于所述轮辋(20)的轴向第一端的周沿与所述连接凸起(12)的焊接处的焊道结构(30)的厚度H小于或等于3mm。
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