CN212859021U - Floating type polishing device for inner hole of bearing ring - Google Patents
Floating type polishing device for inner hole of bearing ring Download PDFInfo
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- CN212859021U CN212859021U CN202021456464.0U CN202021456464U CN212859021U CN 212859021 U CN212859021 U CN 212859021U CN 202021456464 U CN202021456464 U CN 202021456464U CN 212859021 U CN212859021 U CN 212859021U
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- bearing ring
- polishing head
- turntable
- floating bearing
- upright post
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Abstract
The invention provides a floating type polishing device for an inner hole of a bearing ring, which comprises a frame and a rotary table arranged on the frame, wherein the rotary table is driven to rotate by a rotary driving mechanism arranged on the frame; the lower side of the turntable is provided with an upright column in a sliding manner, and the distance between the upright column and the center of the turntable is adjusted by an adjusting mechanism arranged on the lower side of the turntable; the upright post is sleeved with a polishing head, the lower end of the upright post is detachably provided with a retaining piece, an eccentric mounting hole is vertically arranged on the polishing head, and the diameter of the mounting hole is smaller than the outer diameter of the retaining piece. In the invention, the polishing head is arranged on the upright post, both the axial direction and the radial direction can generate displacement, the polishing head is contacted with the inner wall of the bearing ring by the centrifugal force generated when the turntable rotates, the polishing operation is realized, larger impact can not be generated with a raceway or an opening on the bearing ring, and the defects of low efficiency and high use cost caused by frequent replacement of the polishing head are overcome.
Description
Technical Field
The invention belongs to the technical field of bearing production equipment, and particularly relates to a floating type polishing device for an inner hole of a bearing ring.
Background
The bearing ring is an annular part of a radial rolling bearing with one or several raceways. The equipment for polishing and grinding the bearing ring mainly comprises the steps of fixing the bearing ring by using a clamp, then operating a polishing head, and polishing the bearing ring, wherein the bearing ring is usually fixed in advance by clamping and cannot be conveniently adjusted in the processing process, most of the traditional polishing and grinding are performed by using the fixed polishing head (such as a paper ring, a shutter abrasive cloth wheel, a wool polishing head and the like), when the inner wall of the bearing ring is polished, the feeding amount cannot be adaptively adjusted by the polishing head, the rolling path or a hole opening part can generate larger resistance to the polishing head, and when the polishing head is polished at a high speed, the generated impact force easily damages the polishing head, and the polishing head is frequently replaced, so that the production quality cannot be reliably guaranteed, the cost is wasted, and the production efficiency is low.
Disclosure of Invention
In view of this, the present invention provides a floating type polishing device for inner bore of bearing ring, which is provided to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a floating type polishing device for inner holes of bearing rings comprises a frame and a rotary table arranged on the frame, wherein the rotary table is driven to rotate by a rotary driving mechanism arranged on the frame; the lower side of the turntable is provided with an upright column in a sliding manner, and the distance between the upright column and the center of the turntable is adjusted by an adjusting mechanism arranged on the lower side of the turntable; the upright post is sleeved with a polishing head, the lower end of the upright post is detachably provided with a retaining piece, an eccentric mounting hole is vertically arranged on the polishing head, and the diameter of the mounting hole is smaller than the outer diameter of the retaining piece.
Further, a wear-resistant sheet is fixed on the lower surface of the polishing head; the wear-resistant sheet corresponds to the mounting hole and is provided with a through hole with the same diameter as the mounting hole.
Further, the lower end of the upright post is provided with a threaded section, and the retaining piece adopts a nut screwed in the threaded section.
Furthermore, a protective cylinder is arranged on the inner wall of the mounting hole of the polishing head.
Furthermore, the diameter of the mounting hole is 3-10mm larger than that of the upright post.
Further, the stand upper end is equipped with T type slider, the carousel downside is equipped with along the carousel radially with T type slider complex spout.
Furthermore, the adjusting mechanism comprises a base fixed on the lower side of the turntable, a mounting groove is horizontally formed in the base, an adjusting plate is horizontally and slidably mounted in the mounting groove, and the adjusting plate is compressed through a screw vertically screwed on the base to fix the adjusting plate; the front end of the adjusting plate is fixed with the upright post.
Further, the frame includes a vertical support structure and a lateral cantilever structure; the rotary driving mechanism is fixedly arranged on the cantilever structure.
Further, the rotary drive mechanism includes a motor.
Furthermore, the supporting structure comprises a base body part and a fixing part, a lifting cylinder is arranged between the base body part and the fixing part and fixed on the base body part, one end of an extension rod of the lifting cylinder is connected with the fixing part, and the lifting cylinder drives the fixing part to lift so as to realize the lifting of the cantilever structure, further achieve the purpose of driving the polishing head to lift and adjust, correspond to the position of a workpiece and adapt to production requirements.
Compared with the prior art, the invention has the following advantages:
the polishing head is arranged on the upright post, can generate displacement in the axial direction and the radial direction, is in contact with the inner wall of the bearing ring by the centrifugal force generated when the turntable rotates, realizes polishing and polishing operation, and cannot generate larger impact with a raceway or an opening on the bearing ring. Therefore, the present apparatus is applicable even to rough grinding of a workpiece.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a portion of a turntable with a sanding head mounted thereon in an embodiment of the present invention;
FIG. 3 is a schematic view of an adjustment mechanism in an embodiment of the present invention;
FIG. 4 is a schematic view of a sanding head in an embodiment of the present invention;
fig. 5 is a schematic view illustrating a lifting cylinder provided between the base portion and the fixing portion according to the present invention.
Description of reference numerals:
1-a frame; 2-a turntable; 3-a rotary drive mechanism; 4-upright post; 5-an adjusting mechanism; 6-polishing head; 7-a holder; 8-mounting holes; 9-wear resistant sheet; 10-a through hole; 11-a base; 12-mounting grooves; 13-an adjustment plate; 14-a screw; 15-a base portion; 16-a fixed part; 17-a lifting cylinder; 18-a base; 19-a workbench; and 20-protecting the cylinder.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
A floating type polishing device for inner holes of bearing rings is shown in figures 1 to 5 and comprises a frame 1 and a rotary table 2 arranged on the frame, wherein the rotary table is driven to rotate by a rotary driving mechanism 3 arranged on the frame; the lower side of the turntable is provided with an upright post 4 in a sliding manner, and the distance between the upright post and the center of the turntable is adjusted by an adjusting mechanism 5 arranged on the lower side of the turntable; the upright post is sleeved with a polishing head 6, a retaining piece 7 is detachably mounted at the lower end of the upright post, an eccentric mounting hole 8 is vertically formed in the polishing head, and the diameter of the mounting hole is smaller than the outer diameter of the retaining piece. Generally, the machine frame is mounted on a base 18, a worktable 19 is arranged on the base, a workpiece is clamped by a clamp on the worktable, and after the position of a grinding head is adjusted, a rotary driving mechanism is started, so that grinding and polishing operations can be carried out.
By way of example, the lower end of the upright post is provided with a threaded section, and the retaining member is a nut screwed into the threaded section. In the invention, the polishing head can be replaced according to the use requirement, the replacement operation is very simple, and only the retainer needs to be detached, the original polishing head is taken down, and the retainer is screwed on again after a new polishing head is sleeved on the upright post.
When polishing and grinding operations are carried out, the polishing head can 'sweep' the inner wall surface of the bearing ring once and again under the action of centrifugal force generated in the rotating process of the turntable, the upright column can not limit the radial and axial displacement of the polishing head, and the polishing head is allowed to have certain displacement in the radial and axial directions of the upright column, so that the polishing head can adaptively adjust the position and feed amount in a floating manner according to the inner wall structure in the working process, and frequent collision with a roller path or an opening edge is avoided.
In an alternative embodiment, the lower surface of the grinding head is fixed with a wear-resistant plate 9; the wear-resistant sheet is provided with a through hole 10 with the same diameter as the mounting hole at the position corresponding to the mounting hole. The outer diameter of the wear-resistant sheet is smaller than that of the polishing head, so that the outer edge of the wear-resistant sheet cannot leak out under the condition that the polishing head is normally worn, and normal polishing operation is not hindered.
The inner wall of the polishing head mounting hole is provided with a protective cylinder 20. The polishing head can be made of abrasive paper rings, louver abrasive cloth wheels, wool polishing heads or other materials, and is made of polishing head materials common in the prior art, the difference is that connecting rods of the prior polishing head are fixed on the polishing head, in the invention, eccentric mounting holes are arranged on the polishing head, vertical columns are arranged in the mounting holes in a penetrating mode and used for keeping the polishing head not to fall off, the polishing head can have displacement in the axial direction and the radial direction of the vertical columns, when the rotating speed of a turntable is higher, the polishing head is attached to the inner wall of a bearing ring by centrifugal force, and the feeding amount is adjusted in a self-adaptive mode along with the uneven change of the inner wall of the bearing ring, because the polishing head is not limited by a fixed structure in the traditional polishing head mounting mode, the position of the polishing head is adjusted in a self-adaptive floating mode during polishing operation, the polishing effect on the surface of an inner hole is good, and the service life of, not fragile, not only can be applied to conventional polishing and is polished, but also can be applicable to the operation of polishing in the coarse grinding stage.
The diameter of the mounting hole is 3-10mm larger than that of the stand column, so that the polishing head has certain movement when mounted on the stand column, and the polishing head is close to the inner wall of the bearing ring by virtue of centrifugal force, thereby realizing polishing operation.
In an alternative embodiment, the upper end of the upright post is provided with a T-shaped sliding block, and the lower side of the rotary disc is provided with a sliding groove matched with the T-shaped sliding block along the radial direction of the rotary disc. Of course, other structures are possible as required by those skilled in the art, as long as the upright column (pushed horizontally by the adjusting mechanism) can be ensured to slide stably on the lower side of the turntable.
The adjusting mechanism comprises a base 11 fixed on the lower side of the turntable, a mounting groove 12 is horizontally formed in the base, an adjusting plate 13 is horizontally and slidably mounted in the mounting groove, and the adjusting plate is pressed by screws 14 vertically screwed on the base (the number of the screws can be multiple, so that the fixing reliability of the adjusting plate is improved), so that the adjusting plate is fixed; the front end of the adjusting plate is fixed with the upright post.
Of course, the skilled person can adopt other structural forms, as long as can adjust the stand position (along the carousel radial), can adapt to the polishing of the bearing ring of different internal diameters. When the adjusting device is adjusted, the screw is loosened, the adjusting plate is pulled or pushed to horizontally move the adjusting plate, the upright post is driven to radially move along the turntable to adapt to the processing requirements of different bearing rings, and when the upright post (the position of the polishing head) is adjusted, the screw is screwed, so that the screw compresses the adjusting plate. The force applied to the upright column is not enough to overcome the friction force generated by the pressure of the screw on the adjusting plate, so that the upright column can be stably fixed.
It should be noted that, because the polishing head in the polishing device is designed to be a floating structure, the position of the polishing head does not need to be accurately adjusted when being adjusted, so that the inner wall of the bearing ring is approximately in the working range of the polishing head, and the polishing device has small operation difficulty and is easy to use.
The frame comprises a vertical supporting structure and a transverse cantilever structure; the rotary driving mechanism is fixedly arranged on the cantilever structure. Generally, the rotation driving mechanism includes a motor, and the motor is used to drive the turntable to rotate, which belongs to the conventional technical content in the prior art, and of course, a person skilled in the art may also use other structures or components to drive the turntable as needed, as long as the turntable can be driven to rotate, and the specific structure is not limited.
In an alternative embodiment, the supporting structure comprises a base body portion 15 and a fixing portion 16, a lifting cylinder 17 is arranged between the base body portion and the fixing portion, the lifting cylinder is fixed on the base body portion, one end of an extension rod of the lifting cylinder is connected with the fixing portion, and the lifting cylinder drives the fixing portion to lift so as to achieve lifting of the cantilever structure, and therefore the purpose of driving lifting adjustment of the polishing head is achieved, and production requirements are met.
In order to improve the stability of the device, in an alternative embodiment, the middle part of the cantilever structure may be fixed with a support structure, one end of the cantilever structure is provided with a driving mechanism and other components, and the other end of the cantilever structure may be provided with a counterweight, so that the gravity center stability of the device is better.
According to the invention, the polishing head is arranged on the upright post, the axial direction and the radial direction can generate displacement, the polishing head is contacted with the inner wall of the bearing ring by virtue of the centrifugal force generated when the turntable rotates, polishing and polishing operation is realized, larger impact can not be generated with a raceway or an opening on the bearing ring, the polishing head is prevented from being abnormally damaged while the polishing and polishing effect is ensured, and the defects of low efficiency and high use cost caused by frequent replacement of the polishing head are overcome.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a floating bearing ring hole burnishing device which characterized in that: the rotary table device comprises a rack and a rotary table arranged on the rack, wherein the rotary table is driven to rotate by a rotary driving mechanism arranged on the rack; the lower side of the turntable is provided with an upright column in a sliding manner, and the distance between the upright column and the center of the turntable is adjusted by an adjusting mechanism arranged on the lower side of the turntable; the upright post is sleeved with a polishing head, a retaining piece is detachably mounted at the lower end of the upright post, an eccentric mounting hole is vertically formed in the polishing head, and the diameter of the mounting hole is smaller than the outer diameter of the retaining piece.
2. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: the lower surface of the polishing head is fixed with a wear-resistant sheet; the wear-resistant sheet corresponds to the mounting hole and is provided with a through hole with the same diameter as the mounting hole.
3. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: the lower end of the upright post is provided with a threaded section, and the retaining piece adopts a nut screwed in the threaded section.
4. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: and the inner wall of the polishing head mounting hole is provided with a protective cylinder.
5. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: the diameter of the mounting hole is 3-10mm larger than that of the upright post.
6. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: the stand upper end is equipped with T type slider, the carousel downside is equipped with along the carousel radially with T type slider complex spout.
7. A floating bearing ring bore burnishing device as claimed in claim 6, wherein: the adjusting mechanism comprises a base fixed on the lower side of the turntable, an installation groove is horizontally formed in the base, an adjusting plate is horizontally and slidably installed in the installation groove, and the adjusting plate is compressed through a screw vertically screwed on the base so as to be fixed; the front end of the adjusting plate is fixed with the upright post.
8. A floating bearing ring bore burnishing device as claimed in claim 1, wherein: the frame comprises a vertical supporting structure and a transverse cantilever structure; the rotary driving mechanism is fixedly arranged on the cantilever structure.
9. A floating bearing ring bore burnishing device as claimed in claim 8, wherein: the rotary drive mechanism includes a motor.
10. A floating bearing ring bore burnishing device as claimed in claim 8, wherein: the supporting structure comprises a base body part and a fixing part, a lifting cylinder is arranged between the base body part and the fixing part and fixed on the base body part, one end of an extension rod of the lifting cylinder is connected with the fixing part, and the lifting cylinder drives the fixing part to lift so as to realize the lifting of the cantilever structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456464.0U CN212859021U (en) | 2020-07-22 | 2020-07-22 | Floating type polishing device for inner hole of bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456464.0U CN212859021U (en) | 2020-07-22 | 2020-07-22 | Floating type polishing device for inner hole of bearing ring |
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| Publication Number | Publication Date |
|---|---|
| CN212859021U true CN212859021U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021456464.0U Active CN212859021U (en) | 2020-07-22 | 2020-07-22 | Floating type polishing device for inner hole of bearing ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134780A (en) * | 2021-05-18 | 2021-07-20 | 西安市康铖机械制造有限公司 | Aircraft metal parts surface finish device |
| CN113319660A (en) * | 2021-07-05 | 2021-08-31 | 安徽省肥东宏达轴承配件有限公司 | Side wall and end face polishing device of bearing ring |
-
2020
- 2020-07-22 CN CN202021456464.0U patent/CN212859021U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134780A (en) * | 2021-05-18 | 2021-07-20 | 西安市康铖机械制造有限公司 | Aircraft metal parts surface finish device |
| CN113134780B (en) * | 2021-05-18 | 2023-02-17 | 西安市康铖机械制造有限公司 | Aircraft metal parts surface finish device |
| CN113319660A (en) * | 2021-07-05 | 2021-08-31 | 安徽省肥东宏达轴承配件有限公司 | Side wall and end face polishing device of bearing ring |
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