CN220837753U - Profiling forging tool for inner sleeve of oversized tapered roller bearing - Google Patents
Profiling forging tool for inner sleeve of oversized tapered roller bearing Download PDFInfo
- Publication number
- CN220837753U CN220837753U CN202321962259.5U CN202321962259U CN220837753U CN 220837753 U CN220837753 U CN 220837753U CN 202321962259 U CN202321962259 U CN 202321962259U CN 220837753 U CN220837753 U CN 220837753U
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- Prior art keywords
- profiling
- forging
- main roller
- ring
- inner sleeve
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- 238000005242 forging Methods 0.000 title claims abstract description 52
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 238000003754 machining Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The utility model discloses an inner sleeve profiling forging tool for an oversized tapered roller bearing, which comprises a profiling main roller, wherein an annular male die for a rolling ring forging piece is arranged on the outer wall of the profiling main roller, and the annular male die is provided with two symmetrically arranged rolling conical surfaces. According to the utility model, the profiling main roller is adopted on the horizontal ring rolling machine to perform profiling forging on one ring forging piece, namely, the original straight driving roller is replaced by the new profiling main roller, the ring-shaped male die of the profiling main roller rolls the ring forging piece, and the ring forging piece after being rolled and expanded is divided into two parts of inner sleeve blanks to be processed, so that two extra-large tapered roller bearing inner sleeve blanks can be forged at one time, the forging efficiency can be improved, the profiling rolling processing difficulty is reduced, the machining allowance of the next procedure is reduced, the material utilization rate is improved, the production cost is reduced, the integrity of metal streamline is ensured, and the forging quality is improved.
Description
Technical Field
The utility model relates to the technical field of bearing manufacturing, in particular to a profiling forging tool for an inner sleeve of an oversized tapered roller bearing.
Background
The bearing inner sleeve of the oversized tapered roller is generally more than 2m, the existing machining of the outer sleeve of the oversized tapered roller bearing is generally carried out on a horizontal ring rolling machine by adopting a forging method shown in figure 4, namely, a straight driving roller is adopted to roll a single-piece ring blank into a ring with the size similar to that of the inner sleeve, and then the ring is machined into the inner sleeve.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the profiling forging tool for the inner sleeve of the oversized tapered roller bearing, which can forge two blanks of the inner sleeve of the oversized tapered roller bearing at one time, so that the forging efficiency can be improved, the profiling processing difficulty is reduced, the machining allowance of the next working procedure is reduced, the material utilization rate is improved, the production cost is reduced, the integrity of a metal streamline is ensured, the quality of a forge piece is improved, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an extra-large tapered roller bearing endotheca profile modeling forging frock, includes the profile modeling home roll, the outer wall of profile modeling home roll is equipped with the annular terrace die that is used for rolling the ring forging, and the annular terrace die has two symmetrical rolling conical surfaces that set up.
Preferably, the axis of the profiling main roller is provided with a mounting hole, and the small diameters of the two rolling conical surfaces are respectively corresponding to openings near the two ends of the profiling main roller.
Preferably, the profiling main roller is arranged on a driving shaft of the horizontal ring rolling machine and drives the ring forging to rotate, and the annular male die of the profiling main roller corresponds to the middle position of the outer wall of the ring forging; the driven roller of the horizontal ring rolling machine is abutted against the inner wall of the ring forging piece, and the horizontal ring rolling machine is also provided with a centering roller for positioning the ring forging piece.
Preferably, the mounting hole of the profiling main roller is in clearance fit with the driving shaft and connected through a key.
Preferably, the upper end face of the profiling main roller is also provided with a lifting hole.
Compared with the prior art, the utility model has the beneficial effects that: a profiling main roller is adopted on a horizontal ring rolling machine to perform profiling forging on one ring forging piece, namely an original straight main roller is replaced by a new profiling main roller, an annular male die of the profiling main roller rolls and expands the ring forging piece, and the rolled and expanded ring forging piece is divided into two inner sleeve blanks to be processed, so that two extra-large tapered roller bearing inner sleeve blanks can be forged at one time, the forging efficiency can be improved, the upper and lower structures of the ring forging piece are symmetrical, the profiling rolling processing difficulty is reduced, the machining allowance of the next procedure is reduced, the material utilization rate is improved, the production cost is reduced, the integrity of a metal streamline is ensured, and the quality of the forging piece is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an embodiment of the present utility model;
FIG. 3 is a schematic view of the mating of the profiling main roll with the ring forging of the present utility model;
FIG. 4 is a schematic diagram of a conventional forging method.
In the figure: 1 profiling main roller, 1.2 mounting holes, 1.3 annular male dies, 1.31 rolling cone, 2 driving shafts, 3 driven rollers and 4 centering rollers.
Detailed Description
In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not indicated or implied that the device or element referred to must have a specific azimuth:
referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an extra-large tapered roller bearing endotheca profile modeling forging frock, includes profile modeling main roll 1, and profile modeling main roll 1's outer wall is equipped with the annular terrace die 1.3 that is used for the milling ring forging, and annular terrace die 1.3 has two symmetrical setting milling conical surfaces 1.31; the axis of the profiling main roller 1 is provided with a mounting hole 1.2, and the small diameters of the two rolling conical surfaces 1.31 are respectively corresponding to openings near the two ends of the profiling main roller 1.
The annular male die 1.3 with the two rolling conical surfaces 1.1 is arranged, the annular male die 1.3 rolls the annular forging, namely, the outer wall of the annular forging is rolled to form a forming groove corresponding to a groove of a subsequent inner sleeve, the rolled and expanded annular forging is divided into two inner sleeve blanks to be machined, as shown in fig. 2, grooves are rolled on the outer wall of the annular forging, and then the annular forging is divided into two upper parts and lower parts, namely, the two inner sleeve blanks to be machined are formed, the dotted line part of the figure is the inner sleeve, two extra-large tapered roller bearing inner sleeve blanks can be forged at one time, the forging efficiency is improved, and the profiling machining difficulty is reduced because the upper structure and the lower structure of the annular forging are symmetrical;
When the copying main roller 1 is implemented, the copying main roller 1 is arranged on a driving shaft 2 of the horizontal ring rolling machine and drives the ring forging to rotate, and an annular male die 1.3 of the copying main roller 1 corresponds to the middle position of the outer wall of the ring forging; the driven roller 3 of the horizontal ring rolling machine is abutted against the inner wall of the ring forging piece, the horizontal ring rolling machine is also provided with a centering roller 4 for positioning the ring forging piece, namely the original driving roller straight cylinder structure is replaced by a profiling main roller 1, and the ring forging piece is milled and expanded by an annular male die 1.3 of the profiling main roller 1;
Furthermore, the mounting holes 1.2 of the profiling main roller 1 are in clearance fit with the driving shafts 2 and are connected through keys, the driving shafts 2 drive the profiling main roller 1 to rotate through keys, and the profiling main roller 1 is convenient to mount and dismount by adopting the key connection, so that different profiling main rollers 1 can be replaced according to different inner sleeve specifications;
In addition, the upper end face of the profiling main roller 1 is also provided with a lifting hole, and the lifting operation of the profiling main roller 1 is facilitated by screwing the suspender into the lifting hole.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (4)
1. An extra-large tapered roller bearing inner sleeve profiling forging tool is characterized in that: the profiling device comprises a profiling main roller (1), wherein an annular male die (1.3) for rolling a ring forging is arranged on the outer wall of the profiling main roller (1), and the annular male die (1.3) is provided with two symmetrically arranged rolling conical surfaces (1.31); the profiling main roller (1) is arranged on a driving shaft (2) of the horizontal ring rolling machine and drives the ring forging to rotate, and an annular male die (1.3) of the profiling main roller (1) corresponds to the middle position of the outer wall of the ring forging; the driven roller (3) of the horizontal ring rolling machine is abutted against the inner wall of the ring forging piece, and the horizontal ring rolling machine is also provided with a centering roller (4) for positioning the ring forging piece.
2. The profiling forging tool for the inner sleeve of the oversized tapered roller bearing, disclosed by claim 1, is characterized in that: the axis of the profiling main roller (1) is provided with a mounting hole (1.2), and the minor diameters of the two rolling conical surfaces (1.31) are respectively corresponding to openings near two ends of the profiling main roller (1).
3. The profiling forging tool for the inner sleeve of the oversized tapered roller bearing, disclosed by claim 1, is characterized in that: the mounting holes (1.2) of the profiling main roller (1) are in clearance fit with the driving shaft (2) and are connected through keys.
4. The profiling forging tool for the inner sleeve of the oversized tapered roller bearing, disclosed by claim 1, is characterized in that: and a lifting hole is further formed in the upper end face of the profiling main roller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962259.5U CN220837753U (en) | 2023-07-25 | 2023-07-25 | Profiling forging tool for inner sleeve of oversized tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962259.5U CN220837753U (en) | 2023-07-25 | 2023-07-25 | Profiling forging tool for inner sleeve of oversized tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837753U true CN220837753U (en) | 2024-04-26 |
Family
ID=90779222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321962259.5U Active CN220837753U (en) | 2023-07-25 | 2023-07-25 | Profiling forging tool for inner sleeve of oversized tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837753U (en) |
-
2023
- 2023-07-25 CN CN202321962259.5U patent/CN220837753U/en active Active
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