CN115479077A - Method for processing hollow ball head of automobile action rod - Google Patents
Method for processing hollow ball head of automobile action rod Download PDFInfo
- Publication number
- CN115479077A CN115479077A CN202211154331.1A CN202211154331A CN115479077A CN 115479077 A CN115479077 A CN 115479077A CN 202211154331 A CN202211154331 A CN 202211154331A CN 115479077 A CN115479077 A CN 115479077A
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- Prior art keywords
- hollow
- mandrel
- ball head
- steel pipe
- automobile
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 16
- 238000005242 forging Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 6
- 238000003672 processing method Methods 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The method for processing the hollow ball head of the action rod of the automobile comprises a ball body and a mandrel which is coaxially connected with the end part of the ball body into a whole, and is characterized in that: the ball body is a hollow ball formed by shrinking and extruding two sides of the middle of a section of steel pipe, and the mandrel which is coaxially connected with the end parts of the two sides of the hollow ball is a hollow mandrel handle formed by extruding and shrinking the parts except the two sides of the middle of the section of steel pipe and pressing the end parts into a whole. The hollow automobile action rod hollow ball head hollow mandrel is formed, the ball heads made of the same materials and the same specifications are adopted, the weight is greatly reduced, the strength of the ball heads can be ensured, and the light requirement of automobile parts is met.
Description
The technical field is as follows: a method for machining the hollow ball head of action rod or reaction rod of car features that the ball head mandrels at both ends of action rod or reaction rod are embedded in the end sleeves of action rod or reaction rod, and the mandrels are fixed to other parts.
The background art comprises the following steps: the existing method for processing the ball head of the automotive action rod comprises a ball body and a mandrel coaxially connected with the end part of the ball body, wherein the ball body and the mandrel coaxially connected with the end part of the ball body are forged or cast or machined, and the ball body and the mandrel are generally integrally forged or cast. The ball body can be provided with a mandrel at one end, or can be provided with mandrels at two symmetrical shaft ends to form a ball shaft or a ball pin so as to be connected with other components through the mandrels. However, such a ball head needs to be machined to a certain precision after forging or casting, and the pure machining process is relatively complex; more importantly, the ball heads are solid, which is not beneficial to the light-weight requirement of automobile parts.
The invention content is as follows:
the invention aims to provide a ball head made of the same material and the same specification, which greatly reduces the weight, can ensure the strength of a ball head mandrel, meets the light requirement of automobile parts, and forms a method for processing the hollow ball head of an automobile action rod.
The invention relates to a method for processing a hollow ball head of an automobile action rod, which is characterized by comprising the following steps of: taking a steel pipe with the same outer diameter according to the outer diameter of the ball body of the hollow ball head, shrinking and extruding the two sides of the middle part of the steel pipe to form the outer part of the hollow ball body, and shrinking and extruding the end parts outside the two sides of the outer part of the hollow ball body to form a hollow mandrel which is coaxially connected into a whole; and the end part is extruded and pressed into a hollow mandrel handle to form a hollow ball body and a hollow ball head which is coaxially connected with the two end parts of the ball body into a whole and forms a whole cavity. The method for processing the hollow ball head of the automobile action rod meeting the light requirement comprises the steps of forming the hollow ball head of the automobile action rod, wherein the hollow ball head comprises a ball body and a mandrel which is coaxially connected with the end part of the ball body into a whole, the ball body is a hollow ball which is formed by shrinkage extrusion of two sides of the middle of a section of steel pipe, and the mandrel which is coaxially connected with the end part of two sides of the hollow ball into a whole is a hollow mandrel handle which is formed by extrusion shrinkage of parts except two sides of the middle of the section of steel pipe and compression of the end parts. The invention relates to a method for processing a hollow ball head of an automobile action rod, which specifically comprises the following steps:
a first step: selecting a steel pipe material with the same outer diameter as the outer diameter of the hollow ball head to be manufactured, and cutting the steel pipe material into a section of steel pipe;
a second step of: preforging, namely, gradually shrinking and extruding the middle part 1 of the steel pipe to two sides, preforging the steel pipe into a shape of gradually shrinking 2, and shrinking the steel pipe into thinner round pipes 3 at two ends;
a third step: forging, namely forging and pressing the middle part into a hollow sphere shape 11 and forging and pressing the two end parts into a circular hollow mandrel 31, and also shaping the outer shape of the hollow sphere and shaping the end part hollow mandrels outside the two sides of the outer part of the hollow sphere;
a fourth step of: the hollow mandrel at the end part is extruded and pressed into a flat hollow mandrel handle 32;
a fifth step: and the hollow mandrel handle is narrowed in the width direction of the flat hollow mandrel handle to finish the hollow mandrel handle.
Referring to the attached drawings, before the hollow mandrel at the end is extruded and pressed into a flat shape, a short round steel rod 41 or a short round steel tube 42 is inserted into the circular hollow mandrel, the outer diameter of the short round steel rod or the short round steel tube is in movable fit with the inner diameter of the circular hollow mandrel, and then the opposite end is extruded and pressed into a flat solid mandrel handle or a hollow mandrel handle 32. The processed hollow ball and the hollow core shaft handle are preferably communicated into a whole. And preferably, the hollow mandrel handle is two sections of hollow mandrel handles at the symmetrical ends of the hollow sphere, the two sections of hollow mandrel handles are coaxial, the axis passes through the sphere center of the hollow sphere, and the two sections of hollow mandrel handles are respectively connected with the two symmetrical top ends of the hollow sphere into a whole. Preferably, the rough surface is formed outside the hollow sphere. Firstly, selecting a steel pipe with the outer diameter consistent with that of the required hollow ball head, shrinking and extruding two sides of the middle part of the section of steel pipe to form the hollow ball, then extruding and shrinking the steel pipe parts from the two sides of the hollow ball to the end part, and pressing the hollow ball into the hollow mandrel handle at the end part. The hollow core shaft of the hollow ball head forms an integral hollow core shaft, the outer surface of the ball body is not machined into a smooth ball surface, a rough surface is intentionally formed outside the hollow ball, and the hollow core shaft is convenient to be firmly combined with rubber. The hollow automobile action rod ball head mandrel is formed, the ball head made of the same material and the same specification is formed, the weight is greatly reduced, the strength of the ball head mandrel can be ensured, and the light requirement of automobile parts is met.
Description of the drawings: FIG. 1 is a schematic structural view of a main cross section of a steel pipe cut from raw materials used in a method for machining a hollow ball head of an automotive actuating lever according to the present invention; FIG. 2 is a left-side view structural schematic diagram of a steel tube cut from raw materials used in the method for processing the hollow ball head of the action rod of the automobile. FIG. 3 is a schematic structural view of a main cross section of the automobile action rod hollow ball head after two sides of a steel pipe are gradually contracted and extruded; FIG. 4 is a left-side view structural schematic diagram of the method for processing the hollow ball head of the action rod of the automobile after two sides of the steel tube are gradually shrunk and extruded; FIG. 5 is a schematic cross-sectional view of a front view structure of a semi-finished hollow mandrel processed at two sides of a hollow sphere processed in the middle of the method for processing the hollow ball head of the automotive action lever; FIG. 6 is a schematic left-side view structural section view of a hollow mandrel semi-finished product processed at two sides of a hollow sphere processed in the middle of the method for processing the hollow ball head of the automotive action rod. FIG. 7 is a schematic sectional view of a main view structure of a hollow mandrel shank pressed and processed at two sides in the method for processing the hollow ball head of the automotive action rod; FIG. 8 is a left-side view structural schematic diagram of a hollow mandrel shank pressed and processed at two sides in the processing method of the hollow ball head of the automotive action rod. FIG. 9 is a schematic sectional view of the front view structure of the method for machining the hollow ball head of the actuating rod of the automobile after narrowing the flat hollow mandrel shank in the width direction to trim the hollow mandrel shank; FIG. 10 is a left side view structural schematic diagram of the flat hollow mandrel handle after being narrowed in the width direction to finish the hollow mandrel handle in the method for processing the hollow ball head of the automotive action lever. FIG. 11 is a schematic cross-sectional view of a front view structure of a semi-finished product in which a hollow mandrel is processed at two sides of a hollow sphere processed in the middle of the method for processing the hollow ball head of the automotive action lever and a short circular steel tube is matched in the hollow mandrel; FIG. 12 is a schematic left-view structural diagram of a semi-finished product of a hollow mandrel matched with a short circular steel tube, which is processed at two sides of a hollow sphere in the middle of the processing method of the hollow ball head of the automobile action rod. FIG. 13 is a schematic sectional view of a short round steel tube in the method for machining a hollow ball head of an automotive actuating lever; fig. 14 is a left-view structural schematic diagram of a short round steel tube in the method for processing the hollow ball head of the automotive action rod. FIG. 15 is a schematic sectional view of a front view structure of a hollow mandrel at the end portion of the automobile action rod hollow ball head processing method extruded and pressed into a flat solid mandrel shank; fig. 16 is a left-side view structural schematic diagram of the method for processing the hollow ball head of the automotive action rod, wherein the hollow mandrel at the end part is extruded and pressed into a flat solid mandrel handle. FIG. 17 is a schematic cross-sectional view of a top view of a hollow mandrel at the end portion of the hollow mandrel being extruded and pressed into a flat solid mandrel shank in the method for machining a hollow ball head of an automotive actuating lever; fig. 18 is a schematic left side view of the structure of fig. 17. FIG. 19 is a schematic cross-sectional view of the front view structure of the hollow ball head of the automotive actuating lever after the width direction narrowing and trimming of the flat solid mandrel shank at the end part in the method for processing the hollow ball head of the automotive actuating lever; FIG. 20 is a left side view structural diagram of the vehicle action bar hollow ball head after the width direction narrowing and trimming of the flat solid mandrel handle at the end part in the processing method. In the figure: 1. the middle part of the steel pipe; 2. a gradually shrinking shape; 3. a circular tube; 11. the shape of a hollow sphere; 31. a circular hollow mandrel; 32. a solid mandrel shank; 42. a cylinder embedded in the hollow mandrel.
The specific implementation mode is as follows:
embodiment 1, as shown in the attached drawings, the invention relates to a method for processing a hollow ball head of an automobile action rod, which comprises a first process (see figures 1 and 2): taking materials and cutting the tube, selecting a steel tube material with the same outer diameter as the outer diameter of the hollow ball head to be manufactured, cutting the steel tube material into a section of steel tube, and performing a second process (see figures 3 and 4): preforging, namely, gradually shrinking and extruding the middle part 1 of the steel pipe to two sides, preforging the steel pipe into a gradually shrinking shape 2, and shrinking the steel pipe into thinner round pipes 3 at two ends; third step (see fig. 5 and 6): and forging, namely forging and pressing the middle part into a hollow sphere shape 11 and forging and pressing the two end parts into a circular hollow mandrel 31, and also shaping the outer shape of the hollow sphere and shaping the end part hollow mandrel except the two sides outside the hollow sphere. Fourth step (see fig. 7 and 8): the hollow mandrel at the end is extruded and pressed into a flat hollow mandrel handle 32. The fifth step (see fig. 9 and 10) also narrows the flat hollow mandrel in the width direction thereof to finish the hollow mandrel.
The hollow ball body of the automobile action rod is connected with the solid core shaft handle into a whole. The two solid mandrel handles are coaxial, the axis passes through the sphere center of the hollow sphere, and the two solid mandrel handles are respectively connected with the two symmetrical top ends of the hollow sphere into a whole. Preferably, the rough surface is formed outside the hollow sphere. The hollow ball head of the automobile action rod formed in the way is made of the same material and specification, so that the weight is greatly reduced, the strength of the ball head can be ensured, and the light requirement of automobile parts is met.
Claims (4)
1. A method for processing a hollow ball head of an automobile action rod is characterized by comprising the following steps: taking a steel pipe with the same outer diameter according to the outer diameter of the ball body of the hollow ball head, shrinking and extruding the two sides of the middle part of the steel pipe to form the outer part of the hollow ball body, and shrinking and extruding the end parts except the two sides of the outer part of the hollow ball body to form a hollow mandrel which is coaxially connected into a whole; and the hollow mandrel handle is extruded and pressed at the end part to form a hollow sphere and a hollow ball head which is coaxially connected with the two end parts of the sphere into a whole, and the hollow ball head of the automobile action rod with a whole cavity is formed.
2. The method for processing the hollow ball head of the action rod of the automobile as claimed in claim 1, wherein:
a first step: selecting a steel pipe material with the same outer diameter as the outer diameter of the hollow ball head to be manufactured, and cutting the steel pipe material into a section of steel pipe;
a second step: preforging, namely, gradually shrinking and extruding the middle part 1 of the steel pipe to two sides, preforging the steel pipe into a shape of gradually shrinking 2, and shrinking the steel pipe into thinner round pipes 3 at two ends;
a third step: forging, namely forging and pressing the middle part into a hollow sphere shape 11 and forging and pressing the two end parts into a circular hollow mandrel 31, and also shaping the outer shape of the hollow sphere and shaping the end part hollow mandrels outside the two sides of the outer surface of the hollow sphere;
a fourth step: the hollow mandrel at the end is extruded and pressed into a flat hollow mandrel handle 32.
A fifth step: and the hollow mandrel handle is narrowed in the width direction of the flat hollow mandrel handle to finish the hollow mandrel handle.
3. The method for processing the hollow ball head of the action rod of the automobile as claimed in claim 1, wherein: before the hollow mandrel at the opposite end is extruded and pressed into a flat shape, the short round steel rod 41 or the short round steel tube 42 is inserted into the circular hollow mandrel, the outer diameter of the short round steel rod or the short round steel tube is in movable fit with the inner diameter of the circular hollow mandrel, and then the opposite end is extruded and pressed into a flat solid mandrel handle or a hollow mandrel handle 32.
4. The method for processing the hollow ball head of the action rod of the automobile as claimed in claim 1, wherein: the hollow of the hollow ball is communicated with the hollow of the hollow mandrel handle into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154331.1A CN115479077A (en) | 2022-09-22 | 2022-09-22 | Method for processing hollow ball head of automobile action rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154331.1A CN115479077A (en) | 2022-09-22 | 2022-09-22 | Method for processing hollow ball head of automobile action rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115479077A true CN115479077A (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211154331.1A Pending CN115479077A (en) | 2022-09-22 | 2022-09-22 | Method for processing hollow ball head of automobile action rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN115479077A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002195244A (en) * | 2000-12-27 | 2002-07-10 | Somic Ishikawa Inc | Ball stud, its manufacturing method and universal coupling |
| CN107471943A (en) * | 2017-07-19 | 2017-12-15 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
| CN207140711U (en) * | 2017-07-19 | 2018-03-27 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
| CN109532370A (en) * | 2018-12-31 | 2019-03-29 | 湖北汽车工业学院 | A kind of band lip block hollow sphere pin shaft and manufacturing method |
| CN209634201U (en) * | 2018-12-31 | 2019-11-15 | 湖北汽车工业学院 | A kind of band lip block hollow sphere pin shaft |
| CN209875708U (en) * | 2019-04-24 | 2019-12-31 | 青岛世冠装备科技有限公司 | Hollow core shaft |
-
2022
- 2022-09-22 CN CN202211154331.1A patent/CN115479077A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002195244A (en) * | 2000-12-27 | 2002-07-10 | Somic Ishikawa Inc | Ball stud, its manufacturing method and universal coupling |
| CN107471943A (en) * | 2017-07-19 | 2017-12-15 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
| CN207140711U (en) * | 2017-07-19 | 2018-03-27 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
| CN109532370A (en) * | 2018-12-31 | 2019-03-29 | 湖北汽车工业学院 | A kind of band lip block hollow sphere pin shaft and manufacturing method |
| CN209634201U (en) * | 2018-12-31 | 2019-11-15 | 湖北汽车工业学院 | A kind of band lip block hollow sphere pin shaft |
| CN209875708U (en) * | 2019-04-24 | 2019-12-31 | 青岛世冠装备科技有限公司 | Hollow core shaft |
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