CN216975506U - Roller bearing structure for industrial robot - Google Patents
Roller bearing structure for industrial robot Download PDFInfo
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- CN216975506U CN216975506U CN202220832670.XU CN202220832670U CN216975506U CN 216975506 U CN216975506 U CN 216975506U CN 202220832670 U CN202220832670 U CN 202220832670U CN 216975506 U CN216975506 U CN 216975506U
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- inner ring
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- roller bearing
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Abstract
The utility model discloses a roller bearing structure for an industrial robot, which comprises a first inner ring, wherein a second inner ring is fixed on the lower surface of the first inner ring, outer rings are arranged at the outer ends of the first inner ring and the second inner ring, cavities are arranged at the inner sides of the first inner ring, the second inner ring and the outer rings, crossed cylindrical rollers are placed in the cavities, annular grooves are formed in the upper end surfaces of the first inner ring and the outer rings, rubber concave rings are placed in the annular grooves, annular grooves are formed in the lower end surfaces of the second inner ring and the outer rings, rubber concave rings are placed in the annular grooves, a bulging shell is arranged on the inner side surface of each rubber concave ring, supporting balls are placed in the bulging shell, positioning ring grooves are formed in the inner side surfaces of the first inner ring, the second inner ring and the outer rings, the supporting balls are clamped in the positioning ring grooves, are sealed in a clamping-in type manner through the outer sides, are positioned in a supporting manner through the supporting balls, and support rotation during rotation to reduce friction, the installation and the replacement are convenient.
Description
Technical Field
The utility model relates to the field of crossed cylindrical roller bearings, in particular to a roller bearing structure for an industrial robot.
Background
The crossed roller bearing has an internal structure that rollers are vertically and crossly arranged at 90 degrees, and space retainers or isolating blocks are arranged between the rollers, so that the rollers can be prevented from being mutually abraded due to the inclination of the rollers, and the increase of the rotating torque is effectively prevented;
in the roller bearing structure for industrial robot among its prior art, it leaves the gap between the outer lane when using, and the ash is advanced easily on its two sides, and seal assembly installs in its prior art not convenient enough, and difficult card is gone into the installation, and is inconvenient when changing seal assembly equally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a roller bearing structure for an industrial robot, which is used for realizing snap-in positioning through outside snap-in sealing and support and positioning through support balls, reduces friction through support and rotation during rotation, and is convenient to install and replace.
In order to solve the above problems, the present invention adopts the following technical solutions.
A roller bearing structure for an industrial robot comprises a first inner ring, wherein a second inner ring is fixed on the lower surface of the first inner ring, outer rings are arranged at the outer ends of the first inner ring and the second inner ring, cavities are arranged on the inner sides of the first inner ring, the second inner ring and the outer rings, crossed cylindrical rollers are placed in the cavities, annular grooves are formed in the upper end surfaces of the first inner ring and the outer rings, rubber concave rings are placed in the annular grooves, annular grooves are formed in the lower end surfaces of the second inner ring and the outer rings, bulging shells are arranged on the inner side surfaces of the rubber concave rings, supporting balls are placed in the bulging shells, positioning annular grooves are formed in the inner side surfaces of the first inner ring, the second inner ring and the outer rings, the supporting balls are clamped into the positioning annular grooves, are sealed in a clamping mode through the outer side, are clamped in a positioning mode, are supported and positioned through the supporting balls, and support rotation to reduce friction during rotation, the installation and the replacement are convenient.
Furthermore, the first inner ring and the second inner ring are fixed through screws, the screws are uniformly distributed on the surfaces of the first inner ring and the second inner ring, the installation is firm, and the screws are uniformly distributed.
Furthermore, the concave rubber ring is adopted as the concave rubber ring, and the annular groove is formed in the surface of the concave rubber ring, so that the concave rubber ring has good elastic force and is convenient to clamp in.
Furthermore, the outer end of the outer ring is provided with mounting holes, and the mounting holes are uniformly distributed on the surface of the outer ring, so that the bearing is convenient to mount.
Furthermore, the rubber concave ring is attached to the ring groove, and the rubber concave ring is made of wear-resistant rubber, so that the wear resistance is improved.
Compared with the prior art, the utility model has the advantages that:
(1) through outside snap-in sealed, snap-in location supports the location through supporting the ball to support rotatory reduction friction during the rotation, it is convenient to install and change.
(2) The first inner ring and the second inner ring are fixed through screws, the screws are uniformly distributed on the surfaces of the first inner ring and the second inner ring, the installation is firm, and the screws are uniformly distributed.
(3) The concave rubber ring is adopted as the concave rubber ring, and the annular groove is formed in the surface of the concave rubber ring, so that the concave rubber ring has good elastic force and is convenient to clamp.
(4) The outer end of outer lane sets up the mounting hole, and the mounting hole evenly distributed sets up on the surface of outer lane, the bearing installation of being convenient for.
(5) The rubber concave ring is attached to the ring groove, and the rubber concave ring is made of wear-resistant rubber, so that the wear resistance is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
fig. 3 is an enlarged view of the utility model at a.
The reference numbers in the figures illustrate:
1 first inner ring, 2 second inner ring, 3 outer ring, 4 crossed cylindrical rollers, 1230 ring groove, 5 rubber concave ring, 50 bulging, 51 supporting ball, 6 screw and 1231 locating ring groove.
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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a roller bearing structure for an industrial robot includes a first inner ring 1, a second inner ring 2 is fixed on a lower surface of the first inner ring 1, an outer ring 3 is disposed at outer ends of the first inner ring 1 and the second inner ring 2, a cavity is disposed inside the first inner ring 1, the second inner ring 2 and the outer ring 3, and is used for placing a cross cylindrical roller 4, a ring groove 1230 is disposed on upper end surfaces of the first inner ring 1 and the outer ring 3, a rubber concave ring 5 is disposed on the lower end surfaces of the second inner ring 2 and the outer ring 3, a ring groove 1230 is disposed on the lower end surfaces of the second inner ring 2 and the outer ring 3, a rubber concave ring 5 is disposed on an inner side surface of the rubber concave ring 5, a drum shell 50 is disposed inside the drum shell 50, a support ball 51 is disposed inside the drum shell 50, a positioning ring groove 1231 is disposed on inner side surfaces of the first inner ring 1, the second inner ring 2 and the outer ring 3, and the support ball 51 is clamped into the positioning ring groove 1231.
Referring to fig. 1-3, a first inner ring 1 and a second inner ring 2 are fixed by screws 6, the screws 6 are uniformly distributed on the surfaces of a circle of the first inner ring 1 and the second inner ring 2, the screws 6 are firmly mounted, the screws 6 are uniformly distributed, concave rubber rings are adopted as the concave rubber rings 5, annular grooves are formed in the surfaces of the concave rubber rings, the concave rubber rings have good elastic force and are convenient to clamp, mounting holes are formed in the outer end of the outer ring 3, the mounting holes are uniformly distributed on the surface of the outer ring 3, bearing mounting is convenient, the concave rubber rings 5 are attached to a ring groove 1230, and the concave rubber rings 5 are made of wear-resistant rubber, so that wear resistance is improved.
When in use, the rubber concave ring 5 is placed in the ring groove 1230 arranged on the upper end surfaces of the first inner ring 1 and the outer ring 3, the rubber concave ring 5 is placed in the ring groove 1230 arranged on the lower end surfaces of the second inner ring 2 and the outer ring 3, which is convenient for being clamped and sealed, and the inner side surface of the rubber concave ring 5 is provided with a drum-up 50, the drum-up 50 is internally provided with a supporting ball 51, the inner side surfaces of the first inner ring 1, the second inner ring 2 and the outer ring 3 are provided with a positioning ring groove 1231, the supporting ball 51 is clamped in the positioning ring groove 1231, the rubber concave ring 5 can be positioned by the supporting roller balls 51, so that the rubber concave ring is convenient to clamp and position after being clamped and is convenient to install, the concave rubber ring 5 adopts a concave rubber ring, the surface is provided with an annular groove, the concave rubber ring has good elastic force and is convenient to be clamped in and disassembled, the convex rubber ring is kneaded and extruded at the rising part 50, the supporting ball 51 can be separated from the positioning ring groove 1231, so that the rubber concave ring 5 can be conveniently pulled out and replaced.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (5)
1. A roller bearing arrangement for an industrial robot, comprising a first inner ring (1), characterized in that: a second inner ring (2) is fixed on the lower surface of the first inner ring (1), outer rings (3) are arranged at the outer ends of the first inner ring (1) and the second inner ring (2), cavities for placing crossed cylindrical rollers (4) are arranged on the inner sides of the first inner ring (1), the second inner ring (2) and the outer ring (3), the upper end surfaces of the first inner ring (1) and the outer ring (3) are provided with ring grooves (1230) which are provided with rubber concave rings (5), a rubber concave ring (5) is arranged on the lower end surface of the second inner ring (2) and the outer ring (3) and provided with a ring groove (1230), the inner side surface of the rubber concave ring (5) is provided with a drum start (50), supporting balls (51) are placed in the drum start (50), the inner side surfaces of the first inner ring (1), the second inner ring (2) and the outer ring (3) are provided with positioning ring grooves (1231), and the supporting balls (51) are clamped into the positioning ring grooves (1231).
2. A roller bearing structure for an industrial robot according to claim 1, characterized in that: the first inner ring (1) and the second inner ring (2) are fixed through screws (6), and the screws (6) are uniformly distributed on the surfaces of the first inner ring (1) and the second inner ring (2).
3. A roller bearing structure for an industrial robot according to claim 1, characterized in that: the rubber concave ring (5) is a concave rubber ring, and the surface of the concave rubber ring is provided with an annular groove.
4. A roller bearing structure for an industrial robot according to claim 1, characterized in that: the outer end of the outer ring (3) is provided with mounting holes, and the mounting holes are uniformly distributed on the surface of the outer ring (3).
5. A roller bearing structure for an industrial robot according to claim 1, characterized in that: the rubber concave ring (5) is attached to the ring groove (1230), and the rubber concave ring (5) is made of wear-resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220832670.XU CN216975506U (en) | 2022-04-12 | 2022-04-12 | Roller bearing structure for industrial robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220832670.XU CN216975506U (en) | 2022-04-12 | 2022-04-12 | Roller bearing structure for industrial robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975506U true CN216975506U (en) | 2022-07-15 |
Family
ID=82342123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220832670.XU Active CN216975506U (en) | 2022-04-12 | 2022-04-12 | Roller bearing structure for industrial robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975506U (en) |
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2022
- 2022-04-12 CN CN202220832670.XU patent/CN216975506U/en active Active
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