CN110834176A - Rim manufacturing method and wheel manufacturing method - Google Patents
Rim manufacturing method and wheel manufacturing method Download PDFInfo
- Publication number
- CN110834176A CN110834176A CN201810940649.XA CN201810940649A CN110834176A CN 110834176 A CN110834176 A CN 110834176A CN 201810940649 A CN201810940649 A CN 201810940649A CN 110834176 A CN110834176 A CN 110834176A
- Authority
- CN
- China
- Prior art keywords
- rim
- manufacturing
- welding
- tubular structure
- length direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
- B60B3/041—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a manufacturing method of a rim and a manufacturing method of a wheel, wherein the manufacturing method of the rim comprises the following steps: and (3) rim molding, namely putting the tubular structure into a molding die, and introducing high-pressure gas into the tubular structure so as to enable the tubular structure to generate plastic deformation under the action of the high-pressure gas until the outer wall surface of the tubular structure is attached to the wall surface of the molding die, thus forming a rim body. The invention solves the problems that the manufacturing method of the rim in the prior art has various working procedures and high manufacturing cost, and the rim body manufactured by the manufacturing method of the rim in the prior art has lower precision, unstable forming and easy deformation.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a rim manufacturing method and a wheel manufacturing method.
Background
The prior art rim manufacturing method generally comprises: and (3) performing various processes of flaring, one-rolling, two-rolling, three-rolling, expanding and finishing and the like on the cylindrical structure to form the rim body. The manufacturing method of the rim has various working procedures and complex production process, different dies are needed when the operations of the working procedures such as flaring, first rolling, second rolling, third rolling, expanding finishing and the like are carried out on the cylindrical structure, the number of the dies is large, and therefore the production cost of the rim is improved.
Disclosure of Invention
The invention mainly aims to provide a rim manufacturing method and a wheel manufacturing method, and aims to solve the problems that in the prior art, the rim manufacturing method is multiple in process and high in manufacturing cost, and a rim body manufactured by the prior art is low in precision, unstable in molding and easy to deform.
In order to achieve the above object, according to one aspect of the present invention, there is provided a manufacturing method of a rim, including the steps of: and (3) rim molding, namely putting the tubular structure into a molding die, and introducing high-pressure gas into the tubular structure so as to enable the tubular structure to generate plastic deformation under the action of the high-pressure gas until the outer wall surface of the tubular structure is attached to the wall surface of the molding die, thus forming a rim body.
Further, the high-pressure gas is nitrogen or an inert gas.
Further, before the rim forming step, the method also comprises the following steps: preheating, and heating the cylindrical structure.
Further, after the step of forming the rim, the method also comprises the following steps: and (5) cooling, namely cooling the rim body.
Further, the tubular structure is made of a base plate in a strip shape, and the inner diameter of the tubular structure is smaller than or equal to the minimum inner diameter of the rim body.
Further, the cylindrical structure is made of a substrate having a long bar shape and includes: step S10, selecting a plate with a set thickness, and manufacturing the plate into a long strip-shaped substrate; step S20, rolling the substrate along the length direction and butting the two ends of the substrate in the length direction; in step S30, both ends of the substrate in the longitudinal direction are welded together to form a cylindrical structure.
Further, after step S30, the method further includes: and step S40, removing welding slag at a welding seam formed by welding two ends of the substrate in the length direction, wherein the welding slag comprises a first welding slag structure extending in the length direction of the welding seam and protruding out of the outer wall surface and the inner wall surface of the tubular structure, and a second welding slag structure located at two ends of the length direction of the welding seam and protruding out of the axial side end surface of the tubular structure.
Further, step S30 includes: step S31, flattening two arc-shaped plate sections at two ends of the substrate into two plane structures; step S32, welding the two plane structures to form a closed cylinder body on the substrate; and step S33, restoring the two plane structures to the arc-shaped plate sections to form a cylindrical structure.
Further, between step S32 and step S33, the method further includes: step S34, removing welding slag at a welding seam formed by welding two ends of the substrate in the length direction, wherein the welding slag comprises a first welding slag structure extending in the length direction of the welding seam and protruding out of the outer wall surface and the inner wall surface of the tubular structure, and second welding slag structures located at two ends of the length direction of the welding seam and protruding out of the axial side end surface of the tubular structure; alternatively, after step S33, the method further includes: and step S34, removing welding slag at a welding seam formed by welding two ends of the substrate in the length direction, wherein the welding slag comprises a first welding slag structure extending in the length direction of the welding seam and protruding out of the outer wall surface and the inner wall surface of the tubular structure, and a second welding slag structure located at two ends of the length direction of the welding seam and protruding out of the axial side end surface of the tubular structure.
Further, the manufacturing method of the wheel rim further comprises the following steps: and extruding a processing plane on the outer wall surface of the rim body, and forming a valve hole on the processing plane to form the rim.
According to another aspect of the present invention, there is provided a method of manufacturing a wheel, comprising the steps of: welding the rim and the spoke to form a wheel; wherein the rim is manufactured according to the manufacturing method of the rim.
By applying the technical scheme of the invention, the manufacturing method of the rim adopts an internal high-pressure forming process, specifically, the cylindrical structure is placed in a forming die and is coated by the forming die, so that a closed space is formed inside the cylindrical structure, and high-pressure gas is introduced into the closed space formed inside the cylindrical structure, so that the cylindrical structure is subjected to plastic deformation under the action of the high-pressure gas until the outer wall surface of the cylindrical structure is attached to the wall surface of the forming die, and the rim body is formed. According to the manufacturing method of the rim, the five process steps of flaring, rolling, expanding and finishing are simplified into one process step, the production efficiency of the rim is greatly improved, the number of dies required for manufacturing the rim is reduced, and the production cost of the rim is greatly reduced. In addition, the manufacturing method of the rim provided by the application reduces the process steps, so that the problems of low precision and unstable forming of the rim caused by excessive process steps can be avoided. The rim manufactured by the manufacturing method of the rim has the characteristics of high precision, stable forming and difficult deformation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a process flow diagram of a method of manufacturing a wheel rim according to an alternative embodiment of the invention;
FIG. 2 shows a schematic structural view of a base plate for manufacturing a rim;
FIG. 3 shows a schematic view of the substrate after being rolled;
FIG. 4 is a schematic view of the curved plate segment after the substrate is rolled to form a planar structure;
FIG. 5 is a schematic view showing the structure of a closed cylinder formed by welding two ends of a substrate;
FIG. 6 is a schematic view showing a state of a first slag structure with the closed cylinder body of FIG. 5 removed;
FIG. 7 is a schematic view showing a state in which a second slag structure of the closed cylinder of FIG. 5 is removed;
FIG. 8 shows a schematic structural view of a tubular structure;
FIG. 9 shows a schematic structural view of the rim body;
FIG. 10 shows a schematic view of the structure after the machining plane has been pressed out on the rim body;
FIG. 11 shows an enlarged schematic view at A in FIG. 10;
FIG. 12 is a schematic view of the rim after the valve hole is formed in the rim body;
fig. 13 shows an enlarged schematic view at B in fig. 12.
Wherein the figures include the following reference numerals:
10. a substrate; 11. an arc-shaped plate section; 12. a planar structure; 20. a tubular structure; 30. a rim body; 40. welding seams; 41. a first slag structure; 42. a second slag structure; 50. processing a plane; 51. a valve hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 invention.
The invention provides a rim manufacturing method and a wheel manufacturing method, aiming at solving the problems that the prior rim manufacturing method has various working procedures and high manufacturing cost, and a rim body manufactured by the prior rim manufacturing method has low precision, unstable forming and easy deformation.
FIG. 1 illustrates a process flow diagram of a method of manufacturing a wheel rim provided herein; fig. 2 to 8 are schematic views showing structural changes in the process of forming the substrate 10 into the cylindrical structure 20; fig. 9 shows a schematic structural view of the rim body 30 formed after plastic deformation of the cylindrical structure 20; fig. 10 to 13 show a schematic structural variation of the pressing of the machining plane 50 on the rim body 30 and the opening of the valve hole 51 in the machining plane 50.
As shown in fig. 1, the manufacturing method of the rim includes the steps of: and (3) rim molding, namely putting the tubular structure 20 into a molding die, and introducing high-pressure gas into the tubular structure 20 so as to enable the tubular structure 20 to generate plastic deformation under the action of the high-pressure gas until the outer wall surface of the tubular structure 20 is attached to the wall surface of the molding die, thereby forming the rim body 30.
In the present application, the manufacturing method of the rim adopts an internal high pressure molding process, specifically, the tubular structure 20 is placed in a molding die, the tubular structure 20 is covered by the molding die, so that a closed space is formed inside the tubular structure 20, and high pressure gas is introduced into the closed space formed inside the tubular structure 20, so that the tubular structure 20 is plastically deformed under the action of the high pressure gas until the outer wall surface of the tubular structure 20 is attached to the wall surface of the molding die, so as to form the rim body 30. According to the manufacturing method of the rim, the five process steps of flaring, rolling, expanding and finishing are simplified into one process step, the production efficiency of the rim is greatly improved, the number of dies required for manufacturing the rim is reduced, and the production cost of the rim is greatly reduced. In addition, the manufacturing method of the rim provided by the application reduces the process steps, so that the problems of low precision and unstable forming of the rim caused by excessive process steps can be avoided. The rim manufactured by the manufacturing method of the rim has the characteristics of high precision, stable forming and difficult deformation.
Optionally, as shown in fig. 1, before the rim forming step, the following steps are further included: preheating, the cylindrical structure 20 is subjected to a heating treatment.
Alternatively, the tubular structure 20 is heated by electrical contact heating, i.e. by resistance heating, the tubular structure 20 to be heated is clamped by two pairs of electrodes, current is passed through the tubular structure 20, and the resistance of the material of the tubular structure 20 causes the tubular structure 20 to heat; or, the induction heating is adopted, the tubular structure 20 to be heated is placed in the alternating magnetic field, the tubular structure 20 generates eddy current to generate heat directly through electromagnetic induction, the induction heating is low in cost, high in heating quality, less in heat dissipation, easy to realize automatic control and high in precision, different requirements of different positions on heating speed can be met by changing the arrangement position and current frequency of coils, the microstructure of the tubular structure 20 is optimized, and the final performance of the tubular structure 20 is optimized.
In this application, let in high-pressure gas in the airtight space to tubular structure 20's inside formation, wherein, high-pressure gas is nitrogen gas or inert gas, compares with hydraulic forming, and the required shaping pressure of atmospheric pressure shaping is little, and equipment cost is low, and production cycle is short, can promote production efficiency to atmospheric pressure shaping allows tubular structure 20 to have higher shaping temperature, and the steel under the high temperature has good plasticity, thereby makes tubular structure 20's after preheating shaping performance better.
Optionally, as shown in fig. 1, after the rim forming step, the following steps are further included: and (3) cooling, namely, cooling the rim body 30, namely, quenching the rim body 30 in the rim forming process to ensure that the rim body 30 obtains uniform and consistent microstructures and improve the performance of the rim.
Alternatively, a person skilled in the art may introduce a high-pressure liquid into the sealed space formed inside the cylindrical structure 20, so that the cylindrical structure 20 is plastically deformed in the radial direction thereof under the action of the high-pressure liquid. Wherein the high-pressure liquid is water or hydraulic oil.
The proper heating temperature, the pressurizing pressure value, the pressurizing time and the cooling temperature can be selected according to different materials of the selected rim.
Optionally, the manufacturing method of the rim further comprises the steps of: a machining plane 50 is pressed out of the outer wall surface of the rim body 30, and a valve hole 51 is opened in the machining plane 50 to finally form a rim. By pressing the machined flat surface 50 on the outer wall surface of the rim body 30 in this way, the valve hole 51 can be easily opened in the machined flat surface 50, and the machined valve hole 51 is used for mounting a valve of a tire.
Alternatively, the cylindrical structure 20 is made of the base plate 10 in a long bar shape, and the inner diameter of the cylindrical structure 20 is made smaller than or equal to the minimum inner diameter of the rim body 30. Thus, the tubular structure 20 can be quickly and effortlessly placed in a forming die, and when the inner diameter of the manufactured tubular structure 20 is smaller than the minimum inner diameter of the rim body 30, all parts of the tubular structure 20 are subjected to plastic deformation along the radial direction, so that the processing precision of the rim body 30 is ensured, and the size of the deformed tubular structure 20 meets the size requirement of the rim body 30; when the inner diameter of the manufactured tubular structure 20 is equal to the minimum inner diameter of the rim body 30, the size of the tubular structure 20 that needs to be deformed can be reduced, thereby improving the production efficiency of the rim.
Specifically, in step S1, how to make the substrate 10 into the cylindrical structure 20, the present application provides three specific examples:
example one
The cylindrical structure 20 is made of the substrate 10 in a strip shape, and specifically includes: step S10, selecting a plate with a set thickness, and manufacturing the plate into a strip-shaped substrate 10; step S20, rolling the substrate 10 along the length direction thereof, and butting the two ends of the substrate 10 in the length direction; step S30, welding both ends of the substrate 10 in the length direction together to form the cylindrical structure 20; step S40, removing the welding slag at the welding seam 40 formed by welding the two ends of the substrate 10 in the length direction, wherein the welding slag includes a first welding slag structure 41 extending in the length direction of the welding seam 40 and protruding from the outer wall surface and the inner wall surface of the tubular structure 20, and a second welding slag structure 42 located at the two ends of the welding seam 40 in the length direction and protruding from the axial end surface of the tubular structure 20.
The both ends of the length direction of the substrate 10 after being rolled up are directly welded together, so that the production efficiency of the tubular structure 20 can be improved. Get rid of the welding slag of welding seam 40 department, can promote the outward appearance aesthetic feeling of rim, simultaneously, when avoiding putting into forming die with tubular structure 20, the welding slag is located between tubular structure 20 and the forming die, influences the shaping precision of rim body, avoids the welding slag to take off in forming die, influences forming die's clean and tidy or the in-process that drops, is located between tubular structure 20 and the forming die, influences the shaping precision of rim body.
The thickness of the plate and the material of the plate can be selected according to the characteristics of the rim, such as required strength.
Example two
The cylindrical structure 20 is made of the substrate 10 in a strip shape, and specifically includes: step S10, selecting a plate with a set thickness, and manufacturing the plate into a strip-shaped substrate 10; step S20, rolling the substrate 10 along the length direction thereof, and butting the two ends of the substrate 10 in the length direction; step S31, flattening two arc-shaped plate sections 11 at two ends of the substrate 10 into two plane structures 12; step S32, welding the two plane structures 12 to form a closed cylinder body by the substrate 10; step S33, restoring the two plane structures 12 to the arc-shaped plate sections 11 to form the cylindrical structure 20; step S34, removing the welding slag at the welding seam 40 formed by welding the two ends of the substrate 10 in the length direction, wherein the welding slag includes a first welding slag structure 41 extending in the length direction of the welding seam 40 and protruding from the outer wall surface and the inner wall surface of the tubular structure 20, and a second welding slag structure 42 located at the two ends of the welding seam 40 in the length direction and protruding from the axial end surface of the tubular structure 20.
The difference between the second embodiment and the first embodiment is that the two arc-shaped plate segments 11 at the two ends of the substrate 10 are first pressed flat into two planar structures 12, and the two planar structures 12 are welded and then rounded into a cylindrical structure 20. Like this, through flattening two arc plate sections 11 that are located base plate 10 both ends into two planar structure 12 to be convenient for dock and weld base plate 10 both ends together, be favorable to promoting the welding stability of tubular structure 20.
EXAMPLE III
The cylindrical structure 20 is made of the substrate 10 in a strip shape, and specifically includes: step S10, selecting a plate with a set thickness, and manufacturing the plate into a strip-shaped substrate 10; step S20, rolling the substrate 10 along the length direction thereof, and butting the two ends of the substrate 10 in the length direction; step S31, flattening two arc-shaped plate sections 11 at two ends of the substrate 10 into two plane structures 12; step S32, welding the two plane structures 12 to form a closed cylinder body by the substrate 10; step S34, removing welding slag at the weld joint 40 formed by welding the two ends of the substrate 10 in the length direction, wherein the welding slag includes a first welding slag structure 41 extending in the length direction of the weld joint 40 and protruding from the outer wall surface and the inner wall surface of the tubular structure 20, and second welding slag structures 42 located at the two ends of the weld joint 40 in the length direction and protruding from the axial end surface of the tubular structure 20; in step S33, the two planar structures 12 are restored to the arc-shaped plate sections 11 to form the cylindrical structure 20.
The difference between the third embodiment and the second embodiment is that the slag removing process in step S34 is adjusted before the compound circle in step S33, so that the slag removing operation can be performed when the slag at the weld joint 40 is at a high temperature, which is beneficial to removing the slag and also beneficial to ensuring that the surface of the weld joint 40 with the slag removed has good flatness.
The present application also provides a method of manufacturing a wheel, comprising the steps of: welding the rim and the spoke to form a wheel; wherein the rim is manufactured according to the manufacturing method of the rim. The manufacturing method of the rim has the advantages of being high in production efficiency and low in production cost, and correspondingly, the manufacturing method of the wheel also has the advantages of being high in production efficiency and low in production cost. In addition, the rim manufactured by the rim manufacturing method provided by the application has the advantages of high precision, good molding stability and difficult deformation, and correspondingly, the wheel manufactured by the rim manufacturing method provided by the application also has the advantages of high precision, good molding stability and difficult deformation.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A method of manufacturing a wheel rim, comprising the steps of:
and (2) rim molding, namely putting the cylindrical structure (20) into a molding die, and introducing high-pressure gas into the cylindrical structure (20) so as to enable the cylindrical structure (20) to be subjected to plastic deformation under the action of the high-pressure gas until the outer wall surface of the cylindrical structure (20) is attached to the wall surface of the molding die, thus forming a rim body (30).
2. The method for manufacturing a wheel rim according to claim 1, wherein the high-pressure gas is nitrogen or an inert gas.
3. The method for manufacturing a wheel rim according to claim 1 or 2, further comprising, before the rim molding step, the steps of:
preheating, and heating the cylindrical structure (20).
4. The method of manufacturing a wheel rim as claimed in claim 3, further comprising, after the rim shaping step, the steps of:
and cooling, namely cooling the rim body (30).
5. The method for manufacturing a rim according to claim 1, characterized in that the tubular structure (20) is made of a base plate (10) having a strip shape, and the inner diameter of the tubular structure (20) is less than or equal to the smallest inner diameter of the rim body (30).
6. The method for manufacturing a rim according to claim 5, characterized in that the manufacturing of the tubular structure (20) from a base plate (10) having an elongated shape comprises:
step S10, selecting a plate with a set thickness, and manufacturing the plate into a long-strip-shaped substrate (10);
step S20, the substrate (10) is rolled along the length direction, and two ends of the substrate (10) in the length direction are butted;
and a step S30 of welding the two ends of the substrate (10) in the length direction together to form the cylindrical structure (20).
7. The method for manufacturing a wheel rim according to claim 6, further comprising, after the step S30:
and step S40, removing welding slag at a welding seam (40) formed by welding two ends of the substrate (10) in the length direction, wherein the welding slag comprises a first welding slag structure (41) extending along the length direction of the welding seam (40) and protruding out of the outer wall surface and the inner wall surface of the tubular structure (20), and second welding slag structures (42) located at two ends of the welding seam (40) in the length direction and protruding out of the axial side end surface of the tubular structure (20).
8. The method of manufacturing a wheel rim according to claim 6, wherein the step S30 includes:
step S31, flattening two arc-shaped plate sections (11) positioned at two ends of the base plate (10) into two plane structures (12);
step S32, welding the two plane structures (12) to form a closed cylinder body by the substrate (10);
and step S33, restoring the two planar structures (12) to the arc-shaped plate sections (11) to form the cylindrical structure (20).
9. The method of manufacturing a wheel rim according to claim 8,
further comprising, between step S32 and step 33: step S34, removing welding slag at a welding seam (40) formed by welding two ends of the substrate (10) in the length direction, wherein the welding slag comprises a first welding slag structure (41) extending in the length direction of the welding seam (40) and protruding out of the outer wall surface and the inner wall surface of the tubular structure (20), and second welding slag structures (42) located at two ends of the welding seam (40) in the length direction and protruding out of the axial side end surface of the tubular structure (20);
alternatively, after the step S33, the method further includes: and step S34, removing welding slag at a welding seam (40) formed by welding two ends of the substrate (10) in the length direction, wherein the welding slag comprises a first welding slag structure (41) extending along the length direction of the welding seam (40) and protruding out of the outer wall surface and the inner wall surface of the tubular structure (20), and second welding slag structures (42) located at two ends of the welding seam (40) in the length direction and protruding out of the axial side end surface of the tubular structure (20).
10. The method of manufacturing a wheel rim as claimed in claim 1, further comprising the steps of:
and extruding a processing plane (50) on the outer wall surface of the rim body (30), and opening a valve hole (51) on the processing plane (50) to form the rim.
11. A method of manufacturing a wheel, comprising the steps of:
welding a rim and a spoke to form the wheel; the rim is manufactured according to the method of manufacturing a rim according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810940649.XA CN110834176A (en) | 2018-08-17 | 2018-08-17 | Rim manufacturing method and wheel manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810940649.XA CN110834176A (en) | 2018-08-17 | 2018-08-17 | Rim manufacturing method and wheel manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110834176A true CN110834176A (en) | 2020-02-25 |
Family
ID=69573675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810940649.XA Pending CN110834176A (en) | 2018-08-17 | 2018-08-17 | Rim manufacturing method and wheel manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110834176A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101373A (en) * | 2021-10-22 | 2022-03-01 | 刘湘平 | Production method of cylindrical blank of rim |
| CN114289629A (en) * | 2021-12-31 | 2022-04-08 | 浙江金固股份有限公司 | Method for forming rim |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089520A2 (en) * | 1982-03-18 | 1983-09-28 | ALLUMINIO ITALIA S.p.A. | Process for manufacturing metal rims for vehicle wheels and products so obtained |
| CN1119971A (en) * | 1994-05-07 | 1996-04-10 | 谢钦河 | Manufacture method of integral moulded splined hub |
| CN103313808A (en) * | 2011-01-24 | 2013-09-18 | Posco公司 | Apparatus and method for manufacturing large-caliber product by using hydroforming |
| CN103963314A (en) * | 2014-05-05 | 2014-08-06 | 厦门三德明复材科技有限公司 | Novel carbon fiber wheel rim and production process thereof |
| CN106363353A (en) * | 2016-08-31 | 2017-02-01 | 浙江金固股份有限公司 | Manufacturing method of hot forming rim |
| CN107427891A (en) * | 2015-03-31 | 2017-12-01 | 住友重机械工业株式会社 | Shaped device |
| CN108284701A (en) * | 2018-03-09 | 2018-07-17 | 浙江中硅新材料有限公司 | A kind of stamping forming automobile hub unit and its manufacturing method |
| US10220430B2 (en) * | 2015-10-12 | 2019-03-05 | Ali Sadri | Method of fabricating a one-piece metal vehicle wheel by hydro forming process |
-
2018
- 2018-08-17 CN CN201810940649.XA patent/CN110834176A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089520A2 (en) * | 1982-03-18 | 1983-09-28 | ALLUMINIO ITALIA S.p.A. | Process for manufacturing metal rims for vehicle wheels and products so obtained |
| CN1119971A (en) * | 1994-05-07 | 1996-04-10 | 谢钦河 | Manufacture method of integral moulded splined hub |
| CN103313808A (en) * | 2011-01-24 | 2013-09-18 | Posco公司 | Apparatus and method for manufacturing large-caliber product by using hydroforming |
| CN103963314A (en) * | 2014-05-05 | 2014-08-06 | 厦门三德明复材科技有限公司 | Novel carbon fiber wheel rim and production process thereof |
| CN107427891A (en) * | 2015-03-31 | 2017-12-01 | 住友重机械工业株式会社 | Shaped device |
| US10220430B2 (en) * | 2015-10-12 | 2019-03-05 | Ali Sadri | Method of fabricating a one-piece metal vehicle wheel by hydro forming process |
| CN106363353A (en) * | 2016-08-31 | 2017-02-01 | 浙江金固股份有限公司 | Manufacturing method of hot forming rim |
| CN108284701A (en) * | 2018-03-09 | 2018-07-17 | 浙江中硅新材料有限公司 | A kind of stamping forming automobile hub unit and its manufacturing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101373A (en) * | 2021-10-22 | 2022-03-01 | 刘湘平 | Production method of cylindrical blank of rim |
| CN114289629A (en) * | 2021-12-31 | 2022-04-08 | 浙江金固股份有限公司 | Method for forming rim |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6894529B2 (en) | How to make wheel rims, spokes and steel wheels, and steel wheels molded by that method | |
| US10406581B2 (en) | Method for manufacturing a worked member using an induction heating coil | |
| RU2693275C2 (en) | Extruded pipe from aluminium alloy and method of vehicle body component molding | |
| EP3760327B1 (en) | Embossed pipe manufacturing apparatus for easily welding both sides of embossed metal sheet and embossed pipe manufacturing method using same | |
| US20150315666A1 (en) | Induction annealing as a method for expanded hydroformed tube formability | |
| CN103286158B (en) | Two one-step forming methods are utilized to prepare method and the device of not uniform thickness vertical masonry joint laser welding pipe | |
| JP2010149182A (en) | Method of manufacturing tubular member | |
| CN110834176A (en) | Rim manufacturing method and wheel manufacturing method | |
| CN104551552B (en) | Thermally-formed wheel manufacturing method | |
| CN110369548A (en) | A kind of titanium alloy is seamless square and rectangular pipe and its manufacturing method and application | |
| CN104589910A (en) | Hot forming wheel and manufacturing method thereof | |
| US20060179769A1 (en) | Method and apparatus for making tubes | |
| CN110576292B (en) | Method for manufacturing automobile bumper | |
| JP6761352B2 (en) | Methods and equipment for manufacturing open or closed annular structural members made of light metals and light metal alloys with two-dimensional or three-dimensional structures. | |
| CN104249089B (en) | Method for manufacturing rectangular laser welded pipe | |
| CN104551553A (en) | Internal-upset stamped and hardened wheel and manufacturing method thereof | |
| WO2011125968A1 (en) | Method for manufacturing wheel rim for vehicle | |
| JP2006239713A (en) | Method and die for press work | |
| US20060032849A1 (en) | Integrated die forming and welding process and apparatus therefor | |
| JP6039986B2 (en) | Hollow rack bar manufacturing apparatus and hollow rack bar manufacturing method | |
| JP2005308021A (en) | Cylindrical bearing member and manufacturing method thereof | |
| CN107627021B (en) | Rotary friction welding method | |
| CN102248367A (en) | Production method and production device for connecting rod | |
| CN105665513A (en) | Forming device for machining complex variable section small-scale tubes and forming method | |
| JP2008302380A (en) | Method for bending pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200225 |