CN113084035B - Fender machining method, fender assembly and automobile - Google Patents

Fender machining method, fender assembly and automobile Download PDF

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Publication number
CN113084035B
CN113084035B CN202110402143.5A CN202110402143A CN113084035B CN 113084035 B CN113084035 B CN 113084035B CN 202110402143 A CN202110402143 A CN 202110402143A CN 113084035 B CN113084035 B CN 113084035B
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China
Prior art keywords
fender
strip groove
bright strip
bright
notch
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CN202110402143.5A
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Chinese (zh)
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CN113084035A (en
Inventor
汤波
陈正
龙章勇
刘雄书
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Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Priority to CN202110402143.5A priority Critical patent/CN113084035B/en
Publication of CN113084035A publication Critical patent/CN113084035A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/16—Mud-guards or wings; Wheel cover panels

Abstract

The application provides a fender processing method, a fender assembly and an automobile, wherein the fender processing method comprises the steps of stamping on a fender once to obtain a main body part and a corner part of a bright strip groove, wherein the corner part is an area, close to two adjacent groove walls, in the bright strip groove, the length of the corner part accounts for 20-30% of the length of the whole bright strip groove, and the distance from the corner part to a notch of the bright strip groove is smaller than the distance from the main body part to the notch of the bright strip groove; processing a fabrication hole on the corner part; and stamping the corner part twice, so that the distance from the corner part to the notch of the bright strip groove is equal to the distance from the main body part to the notch of the bright strip groove. The processing method of the fender is not easy to generate corrugated defects on the fender at the periphery of the bright strip groove corner part, and is beneficial to keeping the flatness of the surface of the fender and improving the overall appearance of the fender.

Description

Fender machining method, fender assembly and automobile
Technical Field
The application relates to the technology of automobile part manufacturing, in particular to a fender processing method, a fender assembly and an automobile.
Background
Fenders are vehicle body outer panels that cover the wheels, so called for the shape and position of the parts on older vehicle bodies resembling bird wings. The fender panel may be divided into a front fender panel and a rear fender panel according to a mounting position. In the running process of the automobile, the fender can prevent sand, stone and slurry rolled up by the wheels from splashing to the bottom of the carriage.
With the increase of the consumption level of people, the aesthetic requirement of users on the automobile body is higher and higher, and in order to improve the aesthetic property of the fender part of the automobile body, in the related technical scheme, a bright strip is usually additionally arranged on the fender. Fig. 1 is a schematic view of a structure of a fender in the related art; fig. 2 is a partially enlarged view of a portion a in fig. 1. As shown in fig. 1 and 2, in order to install the bright wisp, a bright wisp groove 110 needs to be punched in the fender 100. Generally, the bright stripe groove 110 is punched out at a corresponding position on the fender panel 100 by a punching method to obtain the bright stripe groove 110 including the bottom surface 111 and a first groove wall 112, a second groove wall 113 and a third groove wall 114 connecting the bottom surface 111. After the bright strip groove 110 is punched out, the bright strip can be fixed in the bright strip groove 110 by a fastener such as a bolt or a screw.
Fig. 3 is a simulation diagram of a wing panel manufacturing process in the related art. As shown in fig. 3, during the punching process of the bright strip groove 110, the plate material around the bright strip groove 110 (especially, the corner region formed by the connection between the first groove wall 112 and the second groove wall 113, and the connection between the second groove wall 113 and the third groove wall 114) flows from the first arc section 120 to the second arc section 130 along the direction of the arrow, that is, the plate material flows from the outside of the bright strip groove 110 to the direction of the bright strip groove 110. The punched sheet material forms local aggregation in the corner area, so that the surface of the corner area forms a defect similar to corrugation, and the corner area is wrinkled to influence the integral appearance of the fender.
Disclosure of Invention
In order to overcome the defects in the prior art, the application aims to provide a fender processing method, a fender assembly and an automobile so as to eliminate or reduce the defects generated during the processing of a fender in the related art and improve the overall appearance of the fender.
An embodiment of the application provides a fender processing method, including:
punching the fender once to obtain a main body part and a corner part of the bright strip groove, wherein the corner part is an area close to two adjacent groove walls in the bright strip groove, the length of the corner part accounts for 20-30% of the length of the whole bright strip groove, and the distance from the corner part to the notch of the bright strip groove is smaller than the distance from the main body part to the notch of the bright strip groove;
machining the fabrication hole on the corner part;
and stamping the corner part twice to enable the distance from the corner part to the notch of the bright strip groove to be equal to the distance from the main body part to the notch of the bright strip groove.
In the above method for processing a fender panel, the step of pressing the main body portion and the corner portion of the bright groove at one time may include:
acquiring primary stamping parameters of the bright strip groove, wherein the primary stamping parameters comprise the position of the bright strip groove, the stamping strength of the main body part and the primary stamping strength of the corner part;
pressing the fender at the periphery of the notch of the bright strip groove by using a material pressing plate;
and punching the main body part and the corner part on the fender by the punching device according to the primary punching parameters.
In the fender processing method, optionally, a distance from the corner portion to the notch of the bright strip groove is less than a distance from the main body portion to the notch of the bright strip groove by 2-4mm.
In the method for processing a fender panel, optionally, the processing the fabrication hole on the corner portion includes:
obtaining size parameters of a process hole, wherein the size parameters of the process hole comprise the position of the process hole and the stamping strength of the process hole;
and the stamping device processes the fabrication hole on the corner part according to the size parameters of the fabrication hole.
According to the processing method of the fender, optionally, the process hole is a round hole, and the diameter of the process hole is 6-10mm.
In the above-described fender panel processing method, optionally, the secondary pressing of the corner portion such that the distance from the corner portion to the notch of the bright strip groove is equal to the distance from the main body portion to the notch of the bright strip groove includes:
acquiring secondary stamping parameters of the bright strip groove, wherein the secondary stamping parameters comprise the position of a corner part and the secondary stamping strength of the corner part;
pressing the fender and the main body part at the periphery of the notch of the bright strip groove by using a pressing plate;
and the stamping device stamps the corner part according to the secondary stamping parameters, so that the distance from the corner part to the notch of the bright strip groove is equal to the distance from the main body part to the notch of the bright strip groove.
In the processing method of the fender panel, optionally, an opening is formed in a side surface of the bright strip groove, and the corner portion is located at one end, away from the opening, in the bright strip groove.
Another embodiment of the present application provides a fender assembly, including fender and bright wisp, wherein the fender adopts as above arbitrary the fender processing method process form, the bright wisp is installed in the bright wisp inslot.
Optionally, in the fender assembly as described above, a plurality of mounting holes are formed in the bright strip groove, a plurality of fixing holes are formed in one side of the bright strip, which faces the bright strip groove, the plurality of mounting holes and the plurality of fixing holes correspond to each other one by one, and the fastening member is fixed in the fixing hole after passing through the mounting hole; and a sealing adhesive layer is also arranged between the bright strip and the bright strip groove.
Yet another embodiment of the present application provides an automobile, including chassis and automobile body, be equipped with as above arbitrary on the automobile body the fender subassembly, the fender subassembly sets up on two sides of the width direction of automobile body.
The application provides a fender processing method, a fender assembly and an automobile, wherein the fender processing method comprises the steps of stamping on a fender once to obtain a main body part and a corner part of a bright strip groove, wherein the corner part is an area, close to two adjacent groove walls, in the bright strip groove, the length of the corner part accounts for 20-30% of the length of the whole bright strip groove, and the distance from the corner part to a notch of the bright strip groove is smaller than the distance from the main body part to the notch of the bright strip groove; processing a fabrication hole on the corner part; and stamping the corner part twice, so that the distance from the corner part to the notch of the bright strip groove is equal to the distance from the main body part to the notch of the bright strip groove. This application is through dividing the bright wisp groove into main part and turning portion to divide into twice with the turning portion and carry out the punching press, still add the fabrication hole on the turning portion between two punching presses, with the flow direction of guide sheet material in the punching press process, thereby be difficult for producing the corrugate defect on the peripheral fender of bright wisp groove turning portion, be favorable to keeping the planarization on fender surface, promote the whole outward appearance of fender.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following descriptions are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a structure of a fender in the related art;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a simulation diagram of a wing plate manufacturing process in the related art;
fig. 4 is a flowchart of a fender processing method according to an embodiment of the present disclosure;
fig. 5 (a) to 5 (d) are schematic structural diagrams corresponding to respective steps in a fender panel processing method according to an embodiment of the present application;
FIG. 6 is a schematic illustration of a fender configuration according to an exemplary embodiment of the present disclosure;
FIG. 7 is a partial enlarged view of portion B of FIG. 6;
FIG. 8 is a simulation of the manufacturing process of the fender of the present application;
FIG. 9 is a schematic illustration of a fender assembly according to an embodiment of the present application.
Reference numerals are as follows:
100-wheel fender; 110-bright strip grooves; 111-a bottom surface; 112-first slot wall; 113-a second cell wall; 114-a third slot wall; 120-a first arc segment; 130-a second arc segment;
200-a fender; 210-bright groove; 201-bottom surface; 202-first slot wall; 203-a second slot wall; 204-third slot wall; 211-a body portion; 212-corner segments; 2121-fabrication hole;
300-bright stripes;
400-sealant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that, in the description of the present application, the terms "first" and "second" are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
With the increase of the consumption level of people, the aesthetic requirement of users on the automobile body is higher and higher, and in order to improve the aesthetic property of the fender part of the automobile body, in the related technical scheme, a bright strip is usually additionally arranged on the fender. Fig. 1 is a schematic view of a structure of a fender in the related art; fig. 2 is a partially enlarged view of a portion a in fig. 1. As shown in fig. 1 and 2, in order to install the bright wisp, a bright wisp groove 110 needs to be punched in the fender 100. Generally, the bright stripe groove 110 is punched out at a corresponding position on the fender panel 100 by a punching method to obtain the bright stripe groove 110 including the bottom surface 111 and a first groove wall 112, a second groove wall 113 and a third groove wall 114 connecting the bottom surface 111. After the bright strip groove 110 is punched out, the bright strip can be fixed in the bright strip groove 110 by using a fastener such as a bolt or a screw.
Fig. 3 is a simulation diagram of a wing panel manufacturing process in the related art. As shown in fig. 3, during the punching process of the bright stripe groove 110, the slab around the bright stripe groove 110 (especially the corner region formed by the connection between the first groove wall 112 and the second groove wall 113, the connection between the second groove wall 113 and the third groove wall 114) flows from the first arc section 120 to the second arc section 130 along the direction of the arrow, that is, the slab flows from the outside of the bright stripe groove 110 to the bright stripe groove 110. The punched sheet material forms local aggregation in the corner area, so that the surface of the corner area forms a corrugated defect, and the corner area is wrinkled to influence the overall appearance of the fender.
In view of the above, the present application aims to provide a method for processing a fender panel, which can reduce or eliminate surface defects of the fender panel caused by processing a bright groove, and improve the overall appearance of the fender panel; the application also provides a fender subassembly and car.
The present application will be described in detail below with reference to the accompanying drawings so that those skilled in the art can more fully understand the contents of the present application.
Example one
Fig. 4 is a flowchart of a fender processing method according to an embodiment of the present disclosure; fig. 5 (a) to fig. 5 (d) are schematic structural diagrams corresponding to respective steps in a fender panel processing method according to an embodiment of the present application.
Referring to fig. 4 and 5 (a), the method for processing a fender panel according to the present embodiment may start with step S100, and perform one stamping on the fender panel 200 to obtain a main body portion 211 and a corner portion 212 of the bright stripe groove 210, where a distance from the corner portion 212 to a notch of the bright stripe groove 210 is smaller than a distance from the main body portion 211 to the notch of the bright stripe groove 210. The corner part 212 is an area of the bright bar groove 210 close to two adjacent groove walls, and the length of the corner part 212 accounts for 20-30% of the length of the whole bright bar groove 210.
Specifically, as shown in fig. 5 (a), in the present embodiment, an opening is provided on a sidewall of the bright strip groove 210, and the corner portion 212 is located at an end of the bright strip groove 210, which is away from the opening. The bright stripe groove 210 includes a bottom surface 201, a first groove wall 202, a second groove wall 203, and a third groove wall 204, and a corner portion 212 is an area enclosed by a connection between the first groove wall 202 and the second groove wall 203 and a connection between the second groove wall 203, and the third groove wall 204 and located in the bright stripe groove 210. A distance from the corner portion 212 to the notch of the bright stripe groove 210, that is, a distance from the bottom surface 201 at the corner portion 212 to the fender panel 200, and a distance from the main body portion 211 to the notch of the bright stripe groove 210, that is, a distance from the bottom surface 201 at the main body portion 211 to the fender panel 200; that is, in step S100, a protrusion is formed on the bottom surface 201, and the corner portion 212 is a region where the protrusion is located.
The length of the corner portion 212 is 20-30% of the length of the entire highlight groove 210, that is, the corner portion 212 is 20-30% of the entire highlight groove 210 in the direction of extension along the first groove wall 202 or the third groove wall 204, and is within this range the area of the fender 200 around the highlight groove 210 where wrinkling is most likely to occur.
Optionally, in this embodiment, the stamping on the fender 200 at one time to obtain the main body portion 211 and the corner portion 212 of the bright strip groove 210 specifically includes:
the one-time stamping parameters of the bright strip groove 210 are acquired, and the one-time stamping parameters comprise the position of the bright strip groove 210, the stamping strength of the main body part 211 and the one-time stamping strength of the corner part 212. The location of the bar groove 210 includes the length and width of the bar groove 210 and the particular punch location on the fender 200. The main body portion 211 should have a greater press strength than the corner portion 212.
The pressing plate is used for pressing the fender 200 around the notch of the bright groove 210, so that the warping of the fender 200 in the punching process is prevented.
The punching device punches out the main body portion 211 and the corner portion 212 on the fender 200 according to the primary punching parameters.
Alternatively, as shown in fig. 5 (b), in the present embodiment, the distance from the corner portion 212 to the notch of the bright stripe groove 210 is less than the distance from the main body portion 211 to the notch of the bright stripe groove 210 by 2-4mm, that is, the corner portion 212 is 2-4mm higher than the main body portion 211 (i.e., D in the figure indicates a range of 2-4 mm). More preferably, in the present embodiment, the distance from the corner portion 212 to the notch of the bright stripe groove 210 is less than 3mm from the main body portion 211 to the notch of the bright stripe groove 210. This arrangement ensures that the amount of sheet material flowing over the fender 200 around the corner 212 is minimized during a single pass, thereby reducing the probability of the formation of a ripple-like defect on the fender surface.
After step S100, step S200 may be executed, and referring to fig. 4 and fig. 5 (c), a process hole 2121 is machined on the corner portion 212. The tooling holes 2121 may remove a portion of the sheet material at the corner 212, thereby changing the direction of the sheet material flow during the stamping process.
Specifically, in this embodiment, the machining of the tooling holes 2121 in the corner portion 212 includes:
the size parameters of the processing hole 2121 are obtained, and the size parameters of the processing hole 2121 include the position of the processing hole 2121 (including the position of the center of the processing hole 2121 and the size of the radius) and the punching strength of the processing hole 2121.
The punch device machines a pilot hole 2121 on the corner portion 212 according to the size parameters of the pilot hole 2121.
Optionally, in this embodiment, the process holes 2121 are round holes, and the diameter of the process holes 2121 is 6 to 10mm. In other possible embodiments, the process holes 2121 may also be square holes, triangular holes, or the like.
Step S300 may be performed after step S200, and referring to fig. 4 and 5 (d), the corner portion 212 is stamped twice, so that the distance from the corner portion 212 to the notch of the bright strip groove 210 is equal to the distance from the main body portion 211 to the notch of the bright strip groove 210.
Specifically, after the secondary punching, the distance from the corner portion 212 to the notch of the bright wisp groove 210 is equal to the distance from the main body portion 211 to the notch of the bright wisp groove 210, that is, the protrusion on the bottom surface 201 is flattened, and the entire bottom surface 201 is a continuous plane, at this time, the entire bright wisp groove 210 is punched.
In this embodiment, the twice-punching the corner portion 212, so that the distance from the corner portion 212 to the notch of the bright strip groove 210 is equal to the distance from the main body portion 211 to the notch of the bright strip groove 210 includes:
acquiring secondary stamping parameters of the bright strip groove 210, wherein the secondary stamping parameters comprise the position of the corner part 212 and the secondary stamping strength of the corner part 212; the location of the corner 212 includes the length and width of the corner 212 and the particular press location on the fender 200.
The pressing plate presses the fender 200 around the notch of the bright groove 210 and the main body portion 211, thereby preventing the fenders around the corner portion 212 from warping during the pressing process.
The punching device punches the corner part 212 according to the secondary punching parameters so that the distance from the corner part 212 to the notch of the bright strip groove 210 is equal to the distance from the main body part 211 to the notch of the bright strip groove 210.
FIG. 6 is a schematic illustration of a fender configuration according to an exemplary embodiment of the present disclosure; fig. 7 is a partially enlarged view of a portion B in fig. 6. Referring to fig. 6 and 7, the overall structure of the fender panel 200 manufactured by the above-described fender panel processing method is substantially the same as that of a related art fender panel, except that one more fabrication hole 2121 is formed in the bright stripe groove 210, and the fabrication hole 2121 needs to be covered by a subsequent process to prevent the overall appearance from being affected. In this embodiment, the process holes 2121 are preferably formed near the "cusp region" (i.e., the region with the smaller included angle) of the corner 212, which is the junction between the first slot wall 202 and the second slot wall 203, where the probability of local defects on the surface of the fender is greater. Preferably, the distance L from the edge of the access hole 2121 to the junction of the first slot wall 202 and the second slot wall 203 is 3-5mm.
Fig. 8 is a simulation diagram of the machining process of the fender in the present application. Fig. 8 is a simulation diagram showing the flowing direction of the board on the fender panel during the step S300, as shown in fig. 8, the contour shown by the black circle inside the process hole 2121 in the diagram is the size of the process hole 2121 obtained after the step S200, and after the punching in the step S300, the process hole 2121 is expanded to the contour range shown in fig. 8, the flowing direction of the board in the process is shown by the arrow in fig. 8, and the board flows from the center of the process hole 2121 to the direction away from the center of the circle, that is, the board flows from the inside of the bright stripe groove 210 to the outside of the bright stripe groove 210 in a divergent manner, so that a defect similar to a ripple shape is not left on the surface of the fender panel 200 around the bright stripe groove 210, which is beneficial to maintaining the flatness of the surface of the fender panel and improving the overall appearance of the fender panel.
Example two
FIG. 9 is a schematic illustration of a fender assembly according to an embodiment of the present application. Referring to fig. 9, the present embodiment provides a fender assembly, which includes a fender 200 and a bright strip 300, wherein the fender 200 is processed by the fender processing method according to the first embodiment, and the bright strip 300 is installed in the bright strip groove.
In an optional implementation manner, a plurality of mounting holes are formed in the bright strip groove of this embodiment, a plurality of fixing holes are formed in one side of the bright strip 300 facing the bright strip groove, the plurality of mounting holes correspond to the plurality of fixing holes one to one, and the fastening piece penetrates through the mounting hole and is fixed in the fixing hole; the mounting holes in this embodiment may be through holes, the fixing holes may be threaded holes, and the fasteners may be screws. The bright strip 300 can completely shield the fabrication hole in the bright strip groove after installation.
A sealing adhesive layer 400 is further disposed between the bright strip 300 and the bright strip groove to further ensure the stability of installation of the bright strip 300.
The fender assembly of this embodiment has promoted fender 200's whole aesthetic property through setting up bright wisp 300 to owing to adopted the method processing fender 200 of above-mentioned embodiment one, consequently difficult remain similar corrugate defect on the fender 200 surface of bright wisp groove periphery in the course of working, be favorable to keeping the planarization on fender surface, promote fender's whole outward appearance.
EXAMPLE III
The embodiment provides an automobile, which comprises a chassis and an automobile body, wherein the wing plate assemblies of the second embodiment are arranged on the automobile body, and the wing plate assemblies are arranged on two side walls in the width direction of the automobile body.
Specifically, the fender assembly of the present embodiment is disposed at a position adjacent to the tire on the vehicle body to shield the tire, and generally includes two front fenders for shielding the front wheel and two rear fenders for shielding the rear wheel.
The automobile that this embodiment provided is owing to adopted the fender subassembly of above-mentioned second embodiment, consequently is difficult for leaving similar corrugate defect on the fender surface of bright wisp groove periphery, is favorable to keeping the planarization on fender surface, promotes the whole outward appearance of fender.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (9)

1. A method of manufacturing a fender panel, comprising:
punching the fender once to obtain a main body part and a corner part of a bright strip groove, wherein the corner part is an area close to two adjacent groove walls in the bright strip groove, the length of the corner part accounts for 20-30% of the length of the whole bright strip groove, and the distance from the corner part to a notch of the bright strip groove is smaller than the distance from the main body part to the notch of the bright strip groove;
processing a fabrication hole on the corner part;
stamping the corner part for the second time to enable the distance from the corner part to the notch of the bright strip groove to be equal to the distance from the main body part to the notch of the bright strip groove;
the one-time stamping on the fender panel to obtain the main body part and the corner part of the bright strip groove comprises the following steps:
acquiring primary stamping parameters of the bright strip groove, wherein the primary stamping parameters comprise the position of the bright strip groove, the stamping strength of the main body part and the primary stamping strength of the corner part;
pressing the fender on the periphery of the notch of the bright strip groove by using a pressing plate;
and punching the main body part and the corner part on the fender by the punching device according to the primary punching parameters.
2. A fender processing method according to claim 1, wherein a distance from the corner portion to the notch of the bright strip groove is smaller than a distance from the main body portion to the notch of the bright strip groove by 2 to 4mm.
3. A method of processing a fender panel according to claim 1 wherein the processing of the fabrication hole in the corner portion comprises:
obtaining size parameters of a process hole, wherein the size parameters of the process hole comprise the position of the process hole and the stamping strength of the process hole;
and the stamping device processes the fabrication hole on the corner part according to the size parameter of the fabrication hole.
4. A fender processing method according to claim 3, wherein the fabrication hole is a round hole, and the diameter of the fabrication hole is 6-10mm.
5. The fender processing method according to claim 1, wherein the secondary punching of the corner portion so that a distance from the corner portion to the notch of the bright strip groove is equal to a distance from the main body portion to the notch of the bright strip groove includes:
acquiring secondary stamping parameters of the bright strip groove, wherein the secondary stamping parameters comprise the position of a corner part and the secondary stamping strength of the corner part;
pressing the fender and the main body part at the periphery of the notch of the bright strip groove by using a pressing plate;
and the stamping device stamps the corner part according to the secondary stamping parameters, so that the distance from the corner part to the notch of the bright strip groove is equal to the distance from the main body part to the notch of the bright strip groove.
6. A fender processing method according to claim 1, wherein an opening is provided in a side surface of the bright groove, and the corner portion is located at an end of the bright groove facing away from the opening.
7. A fender assembly comprising a fender panel and a bright stripe, wherein the fender panel is formed by the fender panel processing method according to any one of claims 1 to 6, and the bright stripe is mounted in the bright stripe groove.
8. The fender assembly of claim 7, wherein a plurality of mounting holes are formed in the bright strip groove, a plurality of fixing holes are formed in one side of the bright strip facing the bright strip groove, the plurality of mounting holes and the plurality of fixing holes correspond to one another one by one, and a fastener passes through the mounting holes and is fixed in the fixing holes; and a sealing glue layer is also arranged between the bright strip and the bright strip groove.
9. An automobile comprising a chassis and a body, the body being provided with fender assemblies according to any one of claims 7 to 8, the fender assemblies being disposed on both sides in the width direction of the body.
CN202110402143.5A 2021-04-14 2021-04-14 Fender machining method, fender assembly and automobile Active CN113084035B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873950A (en) * 2007-08-10 2010-10-27 约翰逊控制技术公司 Vehicle panel
CN103427310A (en) * 2013-07-30 2013-12-04 深圳市旭鹏五金制品有限公司 Punch forming method of fixing holes in electric coupler casing
CN103723200A (en) * 2012-10-12 2014-04-16 上海彬清金属结构件有限公司 Automobile wheel fender and cold stamping forming technology thereof
CN106163689A (en) * 2014-04-11 2016-11-23 新日铁住金株式会社 The manufacture method of manufacturing press-molded products and automobile underarm
CN107187506A (en) * 2017-06-12 2017-09-22 安徽江淮汽车集团股份有限公司 Car fender
JP2019142314A (en) * 2018-02-19 2019-08-29 株式会社豊田自動織機 Side outer panel and press method of side outer panel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873950A (en) * 2007-08-10 2010-10-27 约翰逊控制技术公司 Vehicle panel
CN103723200A (en) * 2012-10-12 2014-04-16 上海彬清金属结构件有限公司 Automobile wheel fender and cold stamping forming technology thereof
CN103427310A (en) * 2013-07-30 2013-12-04 深圳市旭鹏五金制品有限公司 Punch forming method of fixing holes in electric coupler casing
CN106163689A (en) * 2014-04-11 2016-11-23 新日铁住金株式会社 The manufacture method of manufacturing press-molded products and automobile underarm
CN107187506A (en) * 2017-06-12 2017-09-22 安徽江淮汽车集团股份有限公司 Car fender
JP2019142314A (en) * 2018-02-19 2019-08-29 株式会社豊田自動織機 Side outer panel and press method of side outer panel

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