CN220901769U - Rolling bearing device for thread rolling machine provided with rolling bearing - Google Patents
Rolling bearing device for thread rolling machine provided with rolling bearing Download PDFInfo
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- CN220901769U CN220901769U CN202322303533.4U CN202322303533U CN220901769U CN 220901769 U CN220901769 U CN 220901769U CN 202322303533 U CN202322303533 U CN 202322303533U CN 220901769 U CN220901769 U CN 220901769U
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- rotating shaft
- rolling bearing
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- side plates
- shaft
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- 238000005096 rolling process Methods 0.000 title claims abstract description 49
- 238000003754 machining Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of machining, and relates to a rolling bearing for a thread rolling machine provided with a rolling bearing. The rolling bearing device for the thread rolling machine provided with the rolling bearing comprises a supporting plate; two ends of the supporting plate are respectively connected with side plates; the side plates are perpendicular to the supporting plates; the center of the upper end of the side plate is provided with an open type semicircular through hole; a rotating shaft for supporting a workpiece is arranged between the open semicircular through holes of the two side plates; an auxiliary shaft for providing auxiliary support for the rotating shaft is also arranged between the two side plates; the auxiliary shaft is arranged in parallel with the rotating shaft, and is positioned below the rotating shaft; a plurality of radial ball bearings are sleeved on the auxiliary shaft; the outer ring of the radial ball bearing is tangent to the outer circle of the rotating shaft. The utility model greatly reduces the sliding friction force between the rotating shaft and the workpiece, prolongs the service life of the rotating shaft, does not generate clamping stagnation phenomenon, and ensures the quality of the workpiece.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a rolling bearing device for a thread rolling machine provided with a rolling bearing.
Background
The screw thread processing of the bolt and screw workpieces is generally realized by adopting a thread rolling process, and the thread rolling process is a non-cutting cold rolling process, and has the advantages of high precision and efficiency, good quality, high stability, less material consumption and the like.
In the thread rolling process, two thread rolling wheels are arranged on mutually parallel shafts to do equidirectional constant-speed movement, and one thread rolling wheel also does radial feeding movement; the workpiece is driven by the thread rolling wheel to rotate, and the surface of the workpiece forms threads under the extrusion of the thread rolling wheel; the supporting tool plays a role in supporting a workpiece in the machining process, and in the prior art, a thread rolling support of a thread rolling machine is generally a fixed bracket or a supporting rotating shaft.
The fixed support is generally made of hard alloy, a workpiece is in rotary motion against the surface in the processing process, and the hard alloy surface is hard, so that the hard alloy surface is continuously rubbed with the workpiece, the fixed support is greatly worn over time, the clamping stagnation phenomenon is extremely easy to cause, the workpiece is scrapped, and the service life of the thread rolling wheel is influenced. The utility model patent adopts a mode of supporting a rotating shaft, and through searching: CN 204135249U is closest to the present utility model, and uses two tangential rollers to support, so as to avoid sliding friction damage between the workpiece and the bracket; however, the two rollers rotate by the friction force between the two rollers, the friction force is large, damage is caused, a large amount of heat and noise are generated, the service life of the device is low, and improvement is still needed.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model provides a rolling bearing device for a thread rolling machine, which is provided with a rolling bearing.
The utility model adopts the following technical scheme for accomplishing the purposes:
A rolling bearing device for a thread rolling machine provided with a rolling bearing, the rolling bearing device having a pallet; two ends of the supporting plate are respectively connected with a side plate; the side plates are perpendicular to the supporting plates; the center of the upper end of the side plate is provided with an open semicircular through hole; a rotating shaft for supporting a workpiece is arranged between the open semicircular through holes of the two side plates; an auxiliary shaft for providing auxiliary support for the rotating shaft is also arranged between the two side plates; the auxiliary shaft is arranged in parallel with the rotating shaft, and is positioned below the rotating shaft; a plurality of radial ball bearings are sleeved on the auxiliary shaft; the outer ring of the radial ball bearing is tangent to the outer circle of the rotating shaft.
An open semicircular groove for installing the auxiliary shaft is arranged below the open semicircular through hole of the side plate.
The lower part of the side plate is provided with a through hole and a positioning pin hole for installing a screw and a positioning pin.
The utility model aims to provide a rolling bearing device for a thread rolling machine, which is provided with a rolling bearing, wherein a rotating shaft is in direct contact with a workpiece and rotates along with the workpiece, so that effective support is provided, the friction force between the workpiece and the rotating shaft is greatly reduced, and the workpiece damage and clamping stagnation phenomena are avoided; the auxiliary shaft provides auxiliary support for the rotating shaft, so that the rigidity of the rotating shaft is improved; the radial ball bearing is arranged on the auxiliary shaft, so that the two shafts rotate more smoothly, damage caused by sliding friction of the two shafts is avoided, the service life of the device is long, and the efficiency is high; the two side plates are connected with the supporting plate through screws, so that the disassembly is convenient, and the interchangeability is good.
Drawings
FIG. 1 is a schematic diagram of the structural formula of the present utility model.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of a side plate of the present utility model.
Fig. 4 is a side view of fig. 3.
In the figure: 1. the device comprises a rotating shaft, 2, side plates, 3, an auxiliary shaft, 4, an adjusting gasket, 5, a radial ball bearing, 6, a hexagon head bolt, 7, a locating pin, 8, a supporting plate, 9 and an elastic retainer ring.
Description of the embodiments
The utility model will now be described with reference to the accompanying drawings and specific embodiments:
As shown in fig. 1 and 2, a rolling bearing device for a thread rolling machine equipped with a rolling bearing, the rolling bearing device having a pallet 8; two ends of the supporting plate 8 are respectively connected with the side plates 2; the side plates 2 are arranged perpendicular to the supporting plates 8; the center of the upper end of the side plate 2 is provided with an open semicircular through hole; a rotating shaft 1 for supporting a workpiece is arranged between the open semicircular through holes of the two side plates; an auxiliary shaft 3 for providing auxiliary support for the rotating shaft is also arranged between the two side plates 2; the auxiliary shaft 3 is arranged in parallel with the rotating shaft 1, and the auxiliary shaft 3 is positioned below the rotating shaft 1; a plurality of radial ball bearings 5 are sleeved on the auxiliary shaft 3; the outer ring of the radial ball bearing 5 is tangent with the outer circle of the rotating shaft 1.
Referring to fig. 3 and 4, an open semicircular groove for installing an auxiliary shaft is arranged below the open semicircular through hole of the side plate; the lower part of the side plate is provided with a through hole and a positioning pin hole for installing a screw and a positioning pin; the supporting plate 2 is provided with four threaded holes and two positioning pin holes, and is used for connecting the side plate 2 by the mounting screw 6 and the positioning pin 7.
During installation, the two side plates 2 are connected to the supporting plate 8 through the four screws 6, and the positioning pins 7 guarantee the installation accuracy. The rotating shaft 1 is transversely arranged on the semicircular holes above the two side plates 2 and is in direct contact with the workpiece, and is used for supporting the workpiece and rotating along with the workpiece. The auxiliary shaft 3 is provided with the radial ball bearings 5, the distance between the radial ball bearings 5 is adjusted through the adjusting gaskets 4, finally, the radial ball bearings 5 are fixed on the auxiliary shaft 3 through the elastic retainer rings 9 for shafts, the auxiliary shaft 3 is transversely arranged on the open semicircular groove in the middle of the side plate 2 after the radial ball bearings 5 are assembled, and the outer ring of the radial ball bearings 5 is tangential to the outer circle of the rotating shaft 1 and rotates along with the rotating shaft 1.
The utility model has the advantages that: the rotating shaft 1 is in direct contact with the workpiece and rotates along with the workpiece, so that effective support is provided, meanwhile, the friction force between the workpiece and the rotating shaft 1 is greatly reduced, and the phenomena of workpiece damage and clamping stagnation are avoided; the auxiliary shaft 3 provides auxiliary support for the rotating shaft 1, so that the rigidity of the rotating shaft 1 is improved; the radial ball bearing 5 is arranged on the auxiliary shaft 3, so that the two shafts rotate more smoothly, the damage caused by sliding friction of the two shafts is avoided, the service life of the device is long, and the efficiency is high; the two side plates 2 are connected with the supporting plate 8 through the screws 6, so that the disassembly is convenient, and the interchangeability is good.
Claims (3)
1. A rolling bearing device for a thread rolling machine provided with a rolling bearing, characterized in that: the rolling bearing device is provided with a supporting plate; two ends of the supporting plate are respectively connected with a side plate; the side plates are perpendicular to the supporting plates; the center of the upper end of the side plate is provided with an open semicircular through hole; a rotating shaft for supporting a workpiece is arranged between the open semicircular through holes of the two side plates; an auxiliary shaft for providing auxiliary support for the rotating shaft is also arranged between the two side plates; the auxiliary shaft is arranged in parallel with the rotating shaft, and is positioned below the rotating shaft; a plurality of radial ball bearings are sleeved on the auxiliary shaft; the outer ring of the radial ball bearing is tangent to the outer circle of the rotating shaft.
2. A rolling bearing device for a thread rolling machine equipped with a rolling bearing as claimed in claim 1, wherein: an open semicircular groove for installing the auxiliary shaft is arranged below the open semicircular through hole of the side plate.
3. A rolling bearing device for a thread rolling machine equipped with a rolling bearing as claimed in claim 1, wherein: the lower part of the side plate is provided with a through hole and a positioning pin hole for installing a screw and a positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303533.4U CN220901769U (en) | 2023-08-28 | 2023-08-28 | Rolling bearing device for thread rolling machine provided with rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303533.4U CN220901769U (en) | 2023-08-28 | 2023-08-28 | Rolling bearing device for thread rolling machine provided with rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220901769U true CN220901769U (en) | 2024-05-07 |
Family
ID=90910862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322303533.4U Active CN220901769U (en) | 2023-08-28 | 2023-08-28 | Rolling bearing device for thread rolling machine provided with rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220901769U (en) |
-
2023
- 2023-08-28 CN CN202322303533.4U patent/CN220901769U/en active Active
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