CN114102070B - Machining method of clamping groove of spoke and spoke - Google Patents
Machining method of clamping groove of spoke and spoke Download PDFInfo
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- CN114102070B CN114102070B CN202111676749.4A CN202111676749A CN114102070B CN 114102070 B CN114102070 B CN 114102070B CN 202111676749 A CN202111676749 A CN 202111676749A CN 114102070 B CN114102070 B CN 114102070B
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- clamping groove
- flanging
- spoke
- hole
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a processing method of a clamping groove of a spoke and the spoke, wherein the clamping groove is used for clamping a decorative cover, and comprises the steps of punching a process hole on a center mounting plate of a preformed spoke base material to be used as a basic shape of a center through hole of the spoke; carrying out primary flanging on the hole periphery of the process hole along a first direction to form a first flanging convex ring; after the primary flanging is completed, a part of the central mounting plate positioned on the outer periphery side of the first flanging convex ring is continuously subjected to secondary flanging along the second direction to form a second flanging convex ring, and clamping grooves are formed by encircling the surface of the second flanging convex ring facing the central mounting plate side, the outer peripheral surface of the first flanging convex ring and the surface of the central mounting plate facing the second flanging convex ring side. The invention solves the problem that the clamping groove on the spoke of the wheel is formed by turning in the prior art, so that the machining difficulty of the clamping groove is high.
Description
Technical Field
The invention relates to the technical field of machining and manufacturing of spokes, in particular to a machining method of a clamping groove of a spoke and the spoke.
Background
In the prior art, a center through hole is formed in a spoke of a wheel, the wheel is connected with an axle through the center through hole, in order to prevent dust accumulation at the joint of the center through hole and the axle, a decorative cover is clamped at the center through hole of the spoke generally to play a role in dust prevention, therefore, a clamping groove matched with the decorative cover in a clamping manner is formed in the center through hole of the spoke, however, the existing clamping groove is formed through turning, and the machining difficulty is high.
Disclosure of Invention
The invention mainly aims to provide a processing method of a clamping groove of a spoke and the spoke, which are used for solving the problem that the clamping groove on the spoke of a wheel is formed by turning in the prior art, so that the processing difficulty of the clamping groove is high.
In order to achieve the above-mentioned purpose, the present invention provides a processing method of a clamping groove of a spoke, wherein the clamping groove is used for clamping a decorative cover, and comprises punching a process hole on a center mounting plate of a preformed spoke base material to be used as a basic shape of a center through hole of the spoke; carrying out primary flanging on the hole periphery of the process hole along a first direction to form a first flanging convex ring; after the primary flanging is completed, a part of the central mounting plate positioned on the outer periphery side of the first flanging convex ring is continuously subjected to secondary flanging along the second direction to form a second flanging convex ring, and clamping grooves are formed by encircling the surface of the second flanging convex ring facing the central mounting plate side, the outer peripheral surface of the first flanging convex ring and the surface of the central mounting plate facing the second flanging convex ring side.
Further, in the process of forming the first flanging convex ring through one flanging, flanging operation is carried out on the hole periphery of the process hole along the axial direction of the process hole.
Further, in the process of forming the second flanging convex ring through secondary flanging, flanging operation is performed on the periphery of the annular opening of the first flanging convex ring outwards along the radial direction of the process hole.
Further, the height of the first flanging convex ring formed by primary flanging is H1, wherein H1 is more than or equal to 1mm and less than or equal to 5mm.
Further, the width of the second flanging convex ring formed by the secondary flanging is H2, wherein H2 is more than or equal to 3mm and less than or equal to 20mm.
According to another aspect of the present invention, there is provided a method of processing a clamping groove of a spoke for clamping a decorative cover, comprising punching a process hole in a preformed spoke base material to serve as a basic shape of a center via hole of the spoke; pressing a clamping groove on the first surface of the hole periphery of the process hole; heating the position with the clamping groove at the periphery of the process hole for a preset time length T by a heating device; and flanging the hole periphery of the heated process hole along the axial direction of the process hole so that the clamping groove is positioned at the outer periphery side of the process hole.
Further, heating is performed on a second surface of the hole periphery of the process hole opposite to the first surface by a heating device.
Further, the preset duration T satisfies: t is more than or equal to 3s and less than or equal to 5s.
Further, the distance between the first groove wall surface of the clamping groove and the wall surface of the process hole is L before the clamping groove is pressed and flanging operation is finished, wherein L is more than or equal to 1mm and less than or equal to 4.5mm; the width of the bottom of the clamping groove is W2, wherein W2 is more than or equal to 1mm and less than or equal to 3.5mm; the second groove wall surface of the clamping groove, which is opposite to the first groove wall surface, is obliquely arranged along the direction away from the first groove wall surface, and a first included angle A is formed between the second groove wall surface and the radial direction of the process hole, wherein A is more than or equal to 20 degrees and less than or equal to 90 degrees; the width of the notch of the clamping groove is W3, wherein W3 is more than or equal to 2mm and less than or equal to 5.5mm.
Further, a second included angle B is formed between the first groove wall surface of the clamping groove and the radial direction of the process hole, wherein B is more than or equal to 20 degrees and less than or equal to 90 degrees; the first surface of the hole periphery of the process hole is provided with a guide inclined plane, and a third included angle C is formed between the guide inclined plane and the radial direction of the process hole, wherein C is more than or equal to 20 degrees and less than or equal to 70 degrees.
According to another aspect of the invention, there is provided a spoke having a clamping groove formed by the method for processing the clamping groove of the spoke.
By applying the technical scheme of the invention, two processing methods of the clamping grooves of the spoke are provided, wherein the processing method of the clamping groove of the first spoke comprises the steps of punching a process hole on a central mounting plate of a preformed spoke base material to be used as the basic shape of a central through hole of the spoke; carrying out primary flanging on the hole periphery of the process hole along a first direction to form a first flanging convex ring; after the primary flanging is completed, a part of the central mounting plate positioned on the outer periphery side of the first flanging convex ring is continuously subjected to secondary flanging along the second direction to form a second flanging convex ring, and clamping grooves are formed by encircling the surface of the second flanging convex ring facing the central mounting plate side, the outer peripheral surface of the first flanging convex ring and the surface of the central mounting plate facing the second flanging convex ring side.
The second spoke clamping groove processing method comprises punching process holes on the preformed spoke base material to serve as the basic shape of the center through hole of the spoke; pressing a clamping groove on the first surface of the hole periphery of the process hole; heating the position with the clamping groove at the periphery of the process hole for a preset time length T by a heating device; and flanging the hole periphery of the heated process hole along the axial direction of the process hole so that the clamping groove is positioned at the outer periphery side of the process hole.
It should be noted that, compared with the existing clamping groove formed by turning, the two methods have the advantages that the processing difficulty is greatly reduced, and the phenomenon of cracking at the flanging can be avoided as much as possible.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic flow diagram according to a first embodiment of the invention;
FIG. 2 is a schematic view showing a partially sectional structure of a punched process hole in the first embodiment;
FIG. 3 shows a schematic view of a partially cut-away structure of a primary cuff in the first embodiment;
FIG. 4 is a schematic view showing a partially cross-sectional structure of a secondary burring in the first embodiment;
fig. 5 shows a schematic flow chart according to a second embodiment of the present invention;
FIG. 6 is a schematic view showing a partially sectional structure of a punched process hole in the second embodiment;
fig. 7 is a schematic view showing a partially sectional structure of a pressing card slot in the second embodiment;
fig. 8 shows an enlarged schematic view of the structure at M in fig. 7;
FIG. 9 shows an enlarged schematic view of another alternative embodiment at M in FIG. 7;
FIG. 10 is a schematic view showing a partially sectional structure of a process hole by heating the hole periphery of the process hole by a heating device in the second embodiment;
fig. 11 shows a partially cross-sectional schematic structural view of the flange in the second embodiment.
Wherein the above figures include the following reference numerals:
1. a clamping groove; 2. a heating device; 10. a spoke base material; 11. a center mounting plate; 12. a process hole; 13. a first flanging convex ring; 14. and the second flanging convex ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problem that the clamping groove on the spoke of the wheel is formed by turning in the prior art, so that the machining difficulty of the clamping groove is high, the invention provides a machining method of the clamping groove of the spoke and the spoke, wherein the spoke is provided with the clamping groove 1, and the clamping groove 1 is formed by machining according to the machining method of the clamping groove of the spoke.
Example 1
As shown in fig. 1 to 4, the method for processing the clamping groove of the spoke, wherein the clamping groove 1 is used for clamping a decorative cover, comprises punching a process hole 12 on a center mounting disc 11 of a preformed spoke base material 10 to be used as the basic shape of a center through hole of the spoke; flanging the hole periphery of the process hole 12 once along a first direction to form a first flanging convex ring 13; after the primary flanging is completed, a part of the central mounting plate 11 positioned on the outer periphery side of the first flanging convex ring 13 is continuously subjected to secondary flanging along the second direction to form a second flanging convex ring 14, and a clamping groove 1 is formed by encircling the surface of the second flanging convex ring 14 facing the side of the central mounting plate 11, the outer periphery surface of the first flanging convex ring 13 and the surface of the central mounting plate 11 facing the side of the second flanging convex ring 14.
It should be noted that, compared with the existing clamping groove 1 formed by turning, the machining method of the clamping groove of the spoke has the advantages that the machining difficulty is greatly reduced, and the phenomenon of cracking at the flanging can be avoided as much as possible.
As shown in fig. 3, in the process of forming the first burring convex ring 13 by burring at a time, the hole periphery of the process hole 12 is burred in the axial direction of the process hole 12.
As shown in fig. 4, in the process of forming the second burring convex ring 14 by the secondary burring, the rim of the mouth of the first burring convex ring 13 is burred outwardly in the radial direction of the process hole 12.
As shown in FIG. 3, the first burring convex ring 13 formed by the primary burring has a height H1, wherein H1 is 1 mm.ltoreq.H1.ltoreq.5 mm.
As shown in FIG. 4, the width of the second burring projection 14 formed by the secondary burring is H2, wherein H2 is 3 mm.ltoreq.H2.ltoreq.20mm.
Example two
As shown in fig. 5 to 11, the method for processing the clamping groove of the spoke, wherein the clamping groove 1 is used for clamping a decorative cover, comprises punching a process hole 12 on a preformed spoke base material 10 to be used as the basic shape of a central through hole of the spoke; pressing the clamping groove 1 on the first surface of the hole periphery of the process hole 12; heating the position with the clamping groove 1 at the periphery of the process hole 12 by a heating device 2 for a preset time length T; the hole periphery of the heated process hole 12 is turned over along the axial direction of the process hole 12 so that the clamping groove 1 is positioned on the outer peripheral side of the process hole 12.
It should be noted that, compared with the existing clamping groove 1 formed by turning, the machining method of the clamping groove of the spoke has the advantages that the machining difficulty is greatly reduced, and the phenomenon of cracking at the flanging can be avoided as much as possible.
As shown in fig. 10, heating is performed by the heating device 2 on a second surface opposite to the first surface at the hole periphery of the process hole 12.
Optionally, the preset duration T satisfies: t is more than or equal to 3s and less than or equal to 5s.
As shown in fig. 8, the distance between the first groove wall surface of the clamping groove 1 and the wall surface of the process hole 12 is L before the clamping groove 1 is pressed and flanging operation is finished, wherein L is more than or equal to 1mm and less than or equal to 4.5mm; the width of the bottom of the clamping groove 1 is W2, wherein W2 is more than or equal to 1mm and less than or equal to 3.5mm; the second groove wall surface of the clamping groove 1, which is opposite to the first groove wall surface, is obliquely arranged along the direction away from the first groove wall surface, and a first included angle A is formed between the second groove wall surface and the radial direction of the process hole 12, wherein A is more than or equal to 20 degrees and less than or equal to 90 degrees; the width of the notch of the clamping groove 1 is W3, wherein W3 is more than or equal to 2mm and less than or equal to 5.5mm.
As shown in fig. 9, a second included angle B is formed between the first groove wall surface of the clamping groove 1 and the radial direction of the process hole 12, wherein B is more than or equal to 20 degrees and less than or equal to 90 degrees; the first surface of the hole periphery of the process hole 12 is provided with a guiding inclined plane, and a third included angle C is formed between the guiding inclined plane and the radial direction of the process hole 12, wherein C is more than or equal to 20 degrees and less than or equal to 70 degrees.
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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated 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 the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for processing a clamping groove of a spoke, wherein the clamping groove (1) is used for clamping a decorative cover, and the method is characterized by comprising the following steps:
punching a process hole (12) on a central mounting plate (11) of the preformed spoke base material (10) to serve as a basic shape of a central through hole of the spoke;
carrying out primary flanging on the hole periphery of the process hole (12) along a first direction to form a first flanging convex ring (13);
after the primary flanging is completed, continuing to secondarily flanging a part of the central mounting plate (11) positioned on the outer periphery side of the first flanging convex ring (13) along a second direction to form a second flanging convex ring (14), wherein the clamping groove (1) is formed by encircling the surface of the second flanging convex ring (14) facing the central mounting plate (11), the outer peripheral surface of the first flanging convex ring (13) and the surface of the central mounting plate (11) facing the second flanging convex ring (14);
in the process of forming the first flanging convex ring (13) through the primary flanging, carrying out flanging operation on the hole periphery of the process hole (12) along the axial direction of the process hole (12);
and in the process of forming the second flanging convex ring (14) by the secondary flanging, flanging the periphery of the annular opening of the first flanging convex ring (13) outwards along the radial direction of the process hole (12).
2. The method for manufacturing the clamping groove of the spoke according to claim 1, wherein,
the height of the first flanging convex ring (13) formed by the primary flanging is H1, wherein H1 is more than or equal to 1mm and less than or equal to 5mm.
3. The method for manufacturing the clamping groove of the spoke according to claim 1, wherein,
the width of the second flanging convex ring (14) formed by the secondary flanging is H2, wherein H2 is more than or equal to 3mm and less than or equal to 20mm.
4. A method for processing a clamping groove of a spoke, wherein the clamping groove (1) is used for clamping a decorative cover, and the method is characterized by comprising the following steps:
punching a process hole (12) on the preformed spoke base material (10) to serve as a basic shape of a central through hole of the spoke;
pressing the clamping groove (1) on a first surface of a hole periphery of the process hole (12);
heating the position, provided with the clamping groove (1), of the hole periphery of the process hole (12) by a heating device (2) for a preset time length T;
flanging the hole periphery of the heated process hole (12) along the axial direction of the process hole (12) so that the clamping groove (1) is positioned on the outer periphery side of the process hole (12);
heating is performed by the heating device (2) at a second surface of the hole periphery of the process hole (12) opposite to the first surface.
5. The method for machining the clamping groove of the spoke according to claim 4, wherein the preset time period T satisfies: t is more than or equal to 3s and less than or equal to 5s.
6. The method for machining the clamping groove of the spoke according to claim 4, wherein, before the pressing of the clamping groove (1) is completed and before the flanging operation,
the distance between the first groove wall surface of the clamping groove (1) and the wall surface of the technological hole (12) is L, wherein L is more than or equal to 1mm and less than or equal to 4.5mm;
the width of the groove bottom of the clamping groove (1) is W2, wherein W2 is more than or equal to 1mm and less than or equal to 3.5mm;
a second groove wall surface of the clamping groove (1) opposite to the first groove wall surface is obliquely arranged along the direction away from the first groove wall surface, and a first included angle A is formed between the second groove wall surface and the radial direction of the process hole (12), wherein the angle A is more than or equal to 20 degrees and less than or equal to 90 degrees;
the width of the notch of the clamping groove (1) is W3, wherein W3 is more than or equal to 2mm and less than or equal to 5.5mm.
7. The method for manufacturing a spoke clamping groove according to claim 6, wherein,
a second included angle B is formed between the first groove wall surface of the clamping groove (1) and the radial direction of the process hole (12), wherein B is more than or equal to 20 degrees and less than or equal to 90 degrees;
the first surface of the hole periphery of the process hole (12) is provided with a guide inclined plane, and a third included angle C is formed between the guide inclined plane and the radial direction of the process hole (12), wherein C is more than or equal to 20 degrees and less than or equal to 70 degrees.
8. A spoke characterized in that the spoke has a clamping groove (1), and the clamping groove (1) is a clamping groove formed by processing according to the processing method of the clamping groove of the spoke of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676749.4A CN114102070B (en) | 2021-12-31 | 2021-12-31 | Machining method of clamping groove of spoke and spoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676749.4A CN114102070B (en) | 2021-12-31 | 2021-12-31 | Machining method of clamping groove of spoke and spoke |
Publications (2)
| Publication Number | Publication Date |
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| CN114102070A CN114102070A (en) | 2022-03-01 |
| CN114102070B true CN114102070B (en) | 2023-06-20 |
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| CN202111676749.4A Active CN114102070B (en) | 2021-12-31 | 2021-12-31 | Machining method of clamping groove of spoke and spoke |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058806A1 (en) * | 2000-06-27 | 2002-06-06 | Hayes Lemmerz Holding Gmbh | Vehicle wheel has hub and spoke unit made from cast iron or iron alloy, especially spherolitic cast iron, and drop center rim made from sheet steel |
| CN103658321B (en) * | 2013-10-31 | 2015-12-09 | 山东云洲车轮有限公司 | A kind of wheel spoke processing technology |
| KR101699242B1 (en) * | 2015-08-10 | 2017-01-24 | 핸즈코퍼레이션주식회사 | One-piece wheel manufacturing method without a hub |
| CN105823364A (en) * | 2016-05-04 | 2016-08-03 | 无锡海特精密模具有限公司 | Radiating fin and production process thereof |
| CN106424433B (en) * | 2016-12-16 | 2019-01-29 | 合肥工业大学 | A kind of pressure rotation forming technology of belt wheel |
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