CN216975469U - Forging blank of rocker arm shaft of power steering gear - Google Patents
Forging blank of rocker arm shaft of power steering gear Download PDFInfo
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- CN216975469U CN216975469U CN202220544861.6U CN202220544861U CN216975469U CN 216975469 U CN216975469 U CN 216975469U CN 202220544861 U CN202220544861 U CN 202220544861U CN 216975469 U CN216975469 U CN 216975469U
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- main shaft
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- thickening
- axle
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Abstract
The utility model discloses a forging blank of a rocker shaft of a power direction machine, and relates to the technical field of forging of rocker shafts of power direction machines. According to the utility model, the thickened shaft can protect the edge of the right end face of the main shaft body from being abraded before processing, the thickened shaft can improve the processing allowance of the main shaft body, the thickened shaft is clamped for processing, the right end of the main shaft body is prevented from being damaged in the clamping process, after polishing is finished, the thickened shaft can be removed from the outside of the main shaft body through grinding processing, the thickened shaft is arranged outside the main shaft body, the surface of the main shaft body can be prevented from being damaged in the clamping processing process, and the precision of the main shaft body cannot be influenced.
Description
Technical Field
The utility model relates to the technical field of forging of rocker shafts of power steering machines, in particular to a forging blank of a rocker shaft of a power steering machine.
Background
A series of devices for changing or maintaining the driving or reversing direction of an automobile are called automobile steering systems, the function of the automobile steering systems is to control the driving direction of the automobile according to the intention of a driver, the automobile steering systems are important to the driving safety of the automobile, therefore, parts of the automobile steering systems are called safety parts, the automobile steering systems and a brake system are two systems which must be considered for the safety of the automobile, rocker shaft products of automobile steering gears are key parts in the automobile steering systems, and therefore a forging blank of the rocker shaft of a power steering gear is provided.
The conventional forged blank of the rocker arm shaft of the power direction machine is used for directly clamping a main shaft body in the machining process, and when the machining allowance of the main shaft body is small, the surface of the main shaft body is damaged, so that the precision of the main shaft body is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the conventional forging blank of the rocker arm shaft of the power direction machine is used for directly clamping a main shaft body in the processing process, and when the processing allowance of the main shaft body is small, the surface of the main shaft body is damaged, and the precision of the main shaft body is influenced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a power direction machine rocker shaft forging blank, comprising:
the left end integrated into one piece of the main shaft body has the connecting axle, and is provided with the strengthening rib between connecting axle and the main shaft body, the outside right side integrated into one piece of the main shaft body has the thickening axle, and the outside of thickening axle has seted up the draw-in groove, the outside of the main shaft body is seted up flutedly, the keyway has been seted up to the inside of the main shaft body, and the internally mounted of keyway has the key piece.
Preferably, the center of the left end face of the connecting shaft is provided with a positioning hole, and the right side of the positioning hole is drilled with a material gathering groove.
Preferably, the reinforcing ribs are in electric welding connection with the connecting shaft, and four groups of reinforcing ribs are symmetrically distributed on the transverse axis of the connecting shaft.
Preferably, the thickness of the key block is larger than the depth of the key groove, and the key block and the key groove are in embedded connection.
Preferably, the length of the clamping groove is consistent with that of the thickening shaft, and the depth of the clamping groove is half of the thickness of the thickening shaft.
Preferably, the positioning hole is in a round table-shaped structure with a wide left part and a narrow right part, and the positioning hole is communicated with the material gathering groove.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the thickened shaft can protect the edge of the right end face of the main shaft body from being worn before machining, the thickened shaft can improve the machining allowance of the main shaft body, the thickened shaft is clamped for machining, the right end of the main shaft body is prevented from being damaged in the clamping process, after polishing is finished, the thickened shaft can be removed from the outside of the main shaft body through grinding machining, the thickened shaft is arranged outside the main shaft body, the surface of the main shaft body can be prevented from being damaged in the clamping machining process, and the precision of the main shaft body cannot be influenced.
Drawings
FIG. 1 is a schematic cross-sectional view of the entire blank of the present invention;
FIG. 2 is a right-view structural diagram of the whole blank of the present invention;
fig. 3 is a partial left-side view structural schematic diagram of the blank in the utility model.
Illustration of the drawings:
1. positioning holes; 2. a connecting shaft; 3. a main shaft body; 4. a groove; 5. thickening the shaft; 6. a keyway; 7. a key block; 8. a material gathering groove; 9. a card slot; 10. and (7) reinforcing ribs.
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. 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.
Referring to fig. 1-3, a forging blank of a rocker shaft of a power direction machine comprises a main shaft body 3, wherein a connecting shaft 2 is integrally formed at the left end of the main shaft body 3, reinforcing ribs 10 are arranged between the connecting shaft 2 and the main shaft body 3, the reinforcing ribs 10 are in electric welding connection with the connecting shaft 2, four groups of reinforcing ribs 10 are symmetrically distributed about the transverse axis of the connecting shaft 2, and the connection between the connecting shaft 2 and the main shaft body 3 is further enhanced through the reinforcing ribs 10 symmetrically distributed in the four groups, so that the connecting shaft 2 can be clamped through the reinforcing ribs 10, the connecting shaft 2 cannot be separated from the main shaft body 3 even if the connecting shaft 2 encounters radial impact, and the connection strength is high;
the thickening shaft 5 is integrally formed on the right side of the outer portion of the spindle body 3, a clamping groove 9 is formed in the outer portion of the thickening shaft 5, the length of the clamping groove 9 is consistent with that of the thickening shaft 5, the depth of the clamping groove 9 is half of the thickness of the thickening shaft 5, the thickening shaft 5 located outside the spindle body 3 can protect the edge of the right end face of the spindle body 3 from being abraded before machining, the thickening shaft 5 can improve machining allowance of the spindle body 3, the thickening shaft 5 can be clamped in the grinding process of the connecting shaft 2, the clamping groove 9 located outside the thickening shaft 5 and having the depth being half of the thickness of the thickening shaft 5 facilitates clamping of the thickening shaft 5, damage to the right end of the spindle body 3 in the clamping process is avoided, and after the connecting shaft 2 is ground, the thickening shaft 5 can be removed from the outer portion of the spindle body 3 through grinding;
the groove 4 is formed in the outer portion of the main shaft body 3, the key groove 6 is formed in the main shaft body 3, the key block 7 is installed in the key groove 6, the thickness of the key block 7 is larger than the depth of the key groove 6, the key block 7 is connected with the key groove 6 in an embedded mode, the gear is sleeved on the outer portion of the main shaft body 3, the key block 7 is embedded into the key groove 6, the main shaft body 3 and the gear can be connected together through the key block 7, the fixing effect is good, and the thickness of the key block 7 is larger than the depth of the key groove 6 to guarantee that the gear can be completely blocked by the key block 7 when the gear is installed;
locating hole 1 has been seted up to the left end face center department of connecting axle 2, and the right side drilling of locating hole 1 has the silo 8 that gathers, locating hole 1 is the round platform column structure wide on the left side and narrow on the right side, and be the structure of being linked together between locating hole 1 and the silo 8 that gathers, round platform column structure's locating hole 1 can adapt to the reference column of different diameters, ensure the accurate nature of location, with the blank centre gripping on the lathe, after the location, connecting axle 2 rotates and processes, the metal powder that takes place the friction production between reference column and the locating hole 1 can get into the silo 8 that gathers temporarily, it can to pour metal powder after the processing, avoid reference column and metal powder friction heat generation, the melting is linked together, increase the local size of reference column, positioning accuracy to the reference column causes the influence.
The working principle is as follows: the thickening shaft 5 positioned outside the main shaft body 3 can protect the edge of the right end face of the main shaft body 3 from being worn before processing, the thickening shaft 5 can improve the processing allowance of the main shaft body 3, the thickening shaft 5 can be clamped in the polishing process of the connecting shaft 2, the clamping groove 9 with the depth being half of the thickness of the thickening shaft 5 is positioned outside the thickening shaft 5, so that the thickening shaft 5 can be clamped conveniently, the right end of the main shaft body 3 is prevented from being damaged in the clamping process, after the connecting shaft 2 is polished, the thickening shaft 5 can be removed from the outside of the main shaft body 3 through grinding, metal powder generated by friction between a positioning column (not shown in the drawing) of a lathe and a positioning hole 1 can temporarily enter a material gathering groove 8, the metal powder can be poured out after the processing is finished, the thermal friction between the positioning column and the metal powder is avoided, the fusion connection is carried out, the local size of the positioning column is increased, the positioning precision of the lathe positioning column is influenced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A power direction machine rocking arm axle forges blank, its characterized in that includes:
the main shaft body (3), the left end integrated into one piece of the main shaft body (3) has connecting axle (2), and is provided with strengthening rib (10) between connecting axle (2) and the main shaft body (3), the outside right side integrated into one piece of the main shaft body (3) has thickening axle (5), and the outside of thickening axle (5) has seted up draw-in groove (9), the outside of the main shaft body (3) is seted up flutedly (4), keyway (6) have been seted up to the inside of the main shaft body (3), and the internally mounted of keyway (6) has key piece (7).
2. The forging blank of a rocker shaft of a power steering gear as claimed in claim 1, wherein: the center of the left end face of the connecting shaft (2) is provided with a positioning hole (1), and the right side of the positioning hole (1) is drilled with a material gathering groove (8).
3. The forging blank of a rocker shaft of a power steering gear as claimed in claim 1, wherein: the reinforcing ribs (10) are in electric welding connection with the connecting shaft (2), and four groups of reinforcing ribs (10) are symmetrically distributed on the transverse axis of the connecting shaft (2).
4. The forging blank of a rocker shaft of a power steering gear as claimed in claim 1, wherein: the thickness of the key block (7) is larger than the depth of the key groove (6), and the key block (7) is connected with the key groove (6) in a embedding manner.
5. The forging blank of the rocker shaft of the power direction machine as claimed in claim 1, wherein: the length of draw-in groove (9) is unanimous with the length of thickening axle (5), and the degree of depth of draw-in groove (9) is half of thickening axle (5) thickness.
6. The forging blank of a rocker shaft of a power steering gear as claimed in claim 2, wherein: the positioning hole (1) is in a round table-shaped structure with a wide left part and a narrow right part, and the positioning hole (1) is communicated with the material gathering groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544861.6U CN216975469U (en) | 2022-03-14 | 2022-03-14 | Forging blank of rocker arm shaft of power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544861.6U CN216975469U (en) | 2022-03-14 | 2022-03-14 | Forging blank of rocker arm shaft of power steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975469U true CN216975469U (en) | 2022-07-15 |
Family
ID=82359311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220544861.6U Active CN216975469U (en) | 2022-03-14 | 2022-03-14 | Forging blank of rocker arm shaft of power steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975469U (en) |
-
2022
- 2022-03-14 CN CN202220544861.6U patent/CN216975469U/en active Active
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