CN112935711A - Machining process of ball pin for automobile - Google Patents
Machining process of ball pin for automobile Download PDFInfo
- Publication number
- CN112935711A CN112935711A CN202110102105.8A CN202110102105A CN112935711A CN 112935711 A CN112935711 A CN 112935711A CN 202110102105 A CN202110102105 A CN 202110102105A CN 112935711 A CN112935711 A CN 112935711A
- Authority
- CN
- China
- Prior art keywords
- ball pin
- shot blasting
- main body
- automobile
- machining process
- 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
- 238000003754 machining Methods 0.000 title claims abstract description 15
- 238000005422 blasting Methods 0.000 claims abstract description 34
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000005242 forging Methods 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 claims abstract description 8
- 238000007514 turning Methods 0.000 claims abstract description 8
- 238000004073 vulcanization Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
Abstract
The invention provides a processing technology of a ball pin for an automobile, and relates to the technical field of ball pin processing. The ball pin processing technology comprises the following steps: forging heat treatment: adopting 40Cr steel material, forging and heat treating to obtain the ball pin framework, so that the surface hardness of the ball pin framework reaches HRC 25-30; finish machining: turning an arc surface on the ball pin main body, and turning a cylindrical surface on the end cover; hole milling: milling a mounting hole in the end cover; shot blasting: performing shot blasting treatment on the ball pin framework by using a shot blasting machine; coating adhesive, vulcanizing and removing flash; and coating an adhesive outside the ball pin main body, adhering rubber to the surface of the ball pin main body, and removing burrs after high-temperature vulcanization to obtain the rubber sleeve. According to the processing technology of the ball pin for the automobile, the roughness of the circular arc surface/the bonding surface and the roughness of the plane at the hole after processing are close to or even better than the roughness value in the prior art; the shot blasting time is saved, the plane roughness is good, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of ball pin processing, in particular to a processing technology of a ball pin for an automobile.
Background
The ball pin is a key part for ensuring the stability of automobile operation, the smoothness, the comfort and the safety of driving and ensuring the correct and accurate driving of the automobile, and is also called a ball hinge and a ball joint. The existing ball pin processing technology comprises the procedures of degreasing, shot blasting, adhesive coating, vulcanization, flash removal, zinc-nickel plating, packaging and the like, the rubber is well bonded after vulcanization, poor bonding is easy to occur during zinc-nickel plating treatment, good bonding can be obtained through the ball pin framework within 40 minutes of shot blasting time, the production efficiency is reduced, and therefore the shot blasting technology needs to be optimized and shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a processing technology of a ball pin for an automobile.
The invention solves the technical problems through the following technical means:
a machining process of a ball pin for an automobile comprises the following steps:
a. forging heat treatment: adopting 40Cr steel material, forging and heat treating to obtain the ball pin framework, so that the surface hardness of the ball pin framework reaches HRC 25-30;
b. finish machining: turning an arc surface on the ball pin main body, and turning a cylindrical surface on the end cover;
c. hole milling: milling a mounting hole in the end cover;
d. shot blasting: performing shot blasting treatment on the ball pin framework by using a shot blasting machine;
e. coating adhesive, vulcanizing and removing flash; and coating an adhesive outside the ball pin main body, adhering rubber to the surface of the ball pin main body, and removing burrs after high-temperature vulcanization to obtain the rubber sleeve.
Furthermore, the ball pin framework comprises a ball pin main body at the center and end covers on two sides of the ball pin main body.
Furthermore, the ball pin main part is cylindrical, and the arc surface is located the center pin periphery of ball pin main part.
Further, the shot blasting time is 6-10 min.
The invention has the beneficial effects that:
according to the processing technology of the ball pin for the automobile, the roughness of the circular arc surface/the bonding surface and the roughness of the plane at the hole after processing are close to or even better than the roughness value in the prior art; when the shot blasting time is adjusted to be 8min, the frequency is increased to 34 times, the batch is increased to 24 times, the shot blasting efficiency is increased by 340 percent, and the ball pin machining process saves the shot blasting time, has good plane roughness and greatly improves the production efficiency.
Drawings
FIG. 1 is a schematic structural view of a ball pin for an automobile with a rubber sleeve removed;
fig. 2 is a schematic structural view of the ball pin for an automobile according to the present invention.
In the figure: 1. a ball pin skeleton; 11. a ball pin body; 12. an end cap; 13. mounting holes; 14. a rubber sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1-2, the present embodiment provides a process for machining a ball pin for an automobile, which includes the following steps:
a. forging heat treatment: adopting 40Cr steel material, forging and heat treating to obtain the ball pin framework 1, and leading the surface hardness to reach HRC 25-30; the ball pin framework 1 comprises a ball pin main body 11 at the center and end covers 12 at two sides of the ball pin main body 11;
b. finish machining: turning an arc surface on the ball pin main body 11, and turning a cylindrical surface on the end cover 12; the ball pin main body 11 is cylindrical, and the arc surface is positioned at the periphery of the central shaft of the ball pin main body 11;
c. hole milling: milling a mounting hole 13 in the end cover 12;
d. shot blasting: performing shot blasting treatment on the ball pin framework 1 by using a shot blasting machine, wherein shot blasting time is 6-10 min;
e. coating adhesive, vulcanizing and removing flash; an adhesive is coated outside the ball pin body 11, rubber is adhered to the surface of the ball pin body 11, and after high-temperature vulcanization, flash is removed to obtain the rubber sleeve 14.
Examples of the experiments
In the prior art, shot blasting time is 40min, and the roughness of the arc surface/bonding surface and the roughness of the plane at the mounting hole are detected before shot blasting and after shot blasting, wherein specific detection results are shown in table 1:
TABLE 1
By adopting the scheme of the embodiment of the invention, the roughness of the arc surface/the bonding surface and the roughness of the plane at the mounting hole before and after shot blasting in a plurality of batches are detected, and the specific detection results are shown in Table 2:
TABLE 2
As can be seen from the above table, the roughness RZ of the arc surface/bonding surface and the roughness RZ of the plane at the hole after three batches of shot blasting for 8min are close to or even better than the values after shot blasting for 40 min. And the original shot blasting time is 40min, the auxiliary loading and unloading needs 5min, the shot blasting frequency of each batch of the shot blasting machine is 10 times, the shot blasting time is adjusted to 8min, the frequency is increased to 34 times, the batch is increased to 24 times, and the shot blasting efficiency is increased by 340%. Therefore, the ball pin processing technology for the automobile saves shot blasting time, has good plane roughness and greatly improves production efficiency.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A processing technology of a ball pin for an automobile is characterized in that: the method comprises the following steps:
a. forging heat treatment: adopting 40Cr steel material, forging and heat treating to obtain the ball pin framework, so that the surface hardness of the ball pin framework reaches HRC 25-30;
b. finish machining: turning an arc surface on the ball pin main body, and turning a cylindrical surface on the end cover;
c. hole milling: milling a mounting hole in the end cover;
d. shot blasting: performing shot blasting treatment on the ball pin framework by using a shot blasting machine;
e. coating adhesive, vulcanizing and removing flash; and coating an adhesive outside the ball pin main body, adhering rubber to the surface of the ball pin main body, and removing burrs after high-temperature vulcanization to obtain the rubber sleeve.
2. The machining process of the ball pin for the automobile according to claim 1, wherein the machining process comprises the following steps: the ball pin framework comprises a ball pin main body at the center and end covers on two sides of the ball pin main body.
3. The machining process of the ball pin for the automobile according to claim 1, wherein the machining process comprises the following steps: the ball pin main part is cylindrical, and the arc surface is located the center pin periphery of ball pin main part.
4. The machining process of the ball pin for the automobile according to claim 1, wherein the machining process comprises the following steps: the shot blasting time is 6-10 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110102105.8A CN112935711A (en) | 2021-01-26 | 2021-01-26 | Machining process of ball pin for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110102105.8A CN112935711A (en) | 2021-01-26 | 2021-01-26 | Machining process of ball pin for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112935711A true CN112935711A (en) | 2021-06-11 |
Family
ID=76236800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110102105.8A Pending CN112935711A (en) | 2021-01-26 | 2021-01-26 | Machining process of ball pin for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112935711A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018875A (en) * | 2005-03-16 | 2007-08-15 | 本田技研工业株式会社 | Method for heat-treating steel material |
| CN106239067A (en) * | 2016-08-31 | 2016-12-21 | 绍兴熔岩机械有限公司 | A kind of manufacturing process of automobile steering ball |
| CN107649842A (en) * | 2017-11-09 | 2018-02-02 | 王海艳 | A kind of flange processing technique |
| CN107716839A (en) * | 2017-07-17 | 2018-02-23 | 江苏海宇机械有限公司 | A kind of end face is the processing method of the universal joint fine forge piece of R arcs |
| CN108115372A (en) * | 2017-11-28 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of processing method of spline gear shaft |
| CN109483177A (en) * | 2018-12-25 | 2019-03-19 | 浙江童氏汽车部件股份有限公司 | A kind of production technology of ball stud |
| CN111454493A (en) * | 2020-04-16 | 2020-07-28 | 江苏华永汽车悬架有限公司 | Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method thereof |
| CN111520397A (en) * | 2020-04-20 | 2020-08-11 | 陕西德仕汽车部件（集团）有限责任公司 | Machining method of spherical hinge assembly |
-
2021
- 2021-01-26 CN CN202110102105.8A patent/CN112935711A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018875A (en) * | 2005-03-16 | 2007-08-15 | 本田技研工业株式会社 | Method for heat-treating steel material |
| CN106239067A (en) * | 2016-08-31 | 2016-12-21 | 绍兴熔岩机械有限公司 | A kind of manufacturing process of automobile steering ball |
| CN107716839A (en) * | 2017-07-17 | 2018-02-23 | 江苏海宇机械有限公司 | A kind of end face is the processing method of the universal joint fine forge piece of R arcs |
| CN107649842A (en) * | 2017-11-09 | 2018-02-02 | 王海艳 | A kind of flange processing technique |
| CN108115372A (en) * | 2017-11-28 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of processing method of spline gear shaft |
| CN109483177A (en) * | 2018-12-25 | 2019-03-19 | 浙江童氏汽车部件股份有限公司 | A kind of production technology of ball stud |
| CN111454493A (en) * | 2020-04-16 | 2020-07-28 | 江苏华永汽车悬架有限公司 | Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method thereof |
| CN111520397A (en) * | 2020-04-20 | 2020-08-11 | 陕西德仕汽车部件（集团）有限责任公司 | Machining method of spherical hinge assembly |
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