Grinding device for rubber sealing ring

By designing a rubber sealing ring grinding device for the limit cylinder and grinding rod assembly, the problem of low efficiency in grinding burrs on the inner and outer walls is solved, automatic grinding and debris cleaning are achieved, and production efficiency and environmental quality are improved.

CN223353805UActive Publication Date: 2025-09-19LIAONING YINQI MASCH MFG CO LTD

Patent Information

Application Number
CN202422103798.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-09-19
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

Existing rubber sealing ring grinding devices cannot simultaneously and efficiently grind the burrs on the inner and outer edges, and cannot clean the grinding debris, which affects production efficiency and the environment.

Method used

A grinding device for rubber sealing rings is designed, which includes a limit cylinder, first and second grinding rods, a drive assembly, an exhaust fan, etc., to automatically grind the inner and outer walls of the sealing ring and clean up debris through the exhaust fan.

Benefits of technology

The efficient grinding of the inner and outer walls of the sealing ring is achieved, the production efficiency is improved, the grinding debris is cleaned, and the production environment is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polishing device for a rubber sealing ring, which relates to the technical field of rubber sealing ring processing and comprises a base, a polishing box is fixedly mounted on the base, a limiting cylinder is rotatably mounted in the polishing box, and a plurality of first polishing rods for polishing the inner wall of the rubber sealing ring are movably mounted on the limiting cylinder. A driving assembly for driving the first grinding rods to move is installed in the limiting cylinder, a grinding cover is movably installed at the top of the grinding box, and a pair of second grinding rods for grinding the outer wall of the rubber sealing ring is movably installed in the grinding cover; polishing layers are arranged on the opposite sides of the first polishing rods and the opposite sides of the second polishing rods correspondingly, and the problems that after an existing device polishes the outer edge of the rubber sealing ring, the inner wall of the rubber sealing ring needs to be manually polished, the polishing efficiency is low, and the polishing efficiency is high are effectively solved. And the technical problem that the production environment is affected due to the fact that chippings generated by grinding cannot be cleaned through the device is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rubber sealing ring processing, in particular to a grinding device for rubber sealing rings. Background Art

[0002] The rubber sealing ring is an annular cover composed of one or more parts. It is fixed on a ring or washer of the bearing and contacts with the other ring or washer or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the intrusion of foreign objects. After the rubber sealing ring is formed in the mold and removed, there are many burrs on its body. If the burrs are not removed, the sealing effect will be seriously affected.

[0003] For example, the utility model patent with announcement number CN213319380U discloses a grinding device for processing rubber sealing rings, including a fixed base plate, a first rotating motor is provided at the upper end of the fixed base plate, the output end of the first rotating motor is connected to a sleeve column, a rubber sealing ring is placed on the sleeve column, a linear slide is provided on one side of the first rotating motor, a second rotating motor is connected to the linear slide, the output end of the second rotating motor is connected to a rotating disk, a grinding groove is provided on the outer side of the rotating disk, the grinding groove is used in conjunction with the rubber sealing ring, a fixed plate is provided at the upper end of the fixed base plate, a telescopic cylinder is provided on the fixed plate, and the other end of the telescopic cylinder is connected to the second rotating motor.

[0004] However, the device can only grind the burrs on the outer edge of the rubber sealing ring, but cannot grind the burrs on the inner edge of the rubber sealing ring. Therefore, after grinding the outer edge of the rubber sealing ring, the inner wall of the rubber sealing ring needs to be manually grinded, resulting in low grinding efficiency. In addition, the device cannot clean up the debris generated by grinding, affecting the production environment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a grinding device for a rubber sealing ring, which solves the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a grinding device for a rubber sealing ring, comprising a base, a grinding box fixedly mounted on the base, a limiting cylinder rotatably mounted in the grinding box, a plurality of first grinding rods for grinding the inner wall of the rubber sealing ring movably mounted on the limiting cylinder, a driving assembly for driving the plurality of first grinding rods to move is mounted in the limiting cylinder, a grinding cover movably mounted on the top of the grinding box, a pair of second grinding rods for grinding the outer wall of the rubber sealing ring movably mounted in the grinding cover, and grinding layers are provided on opposite sides of the pair of first grinding rods and opposite sides of the pair of second grinding rods.

[0007] Preferably, the driving assembly includes a first motor and a first bidirectional threaded rod, the first motor is fixedly mounted on the bottom of the limiting cylinder, the first motor driving end is fixedly mounted with a first bidirectional threaded rod, the first bidirectional threaded rod is rotatably mounted in the limiting cylinder, a pair of first threaded blocks are screwed on the first bidirectional threaded rod, a pair of limiting rods are fixedly mounted in the limiting cylinder, a pair of first threaded blocks are slidably mounted on a pair of limiting rods, and a pair of first threaded blocks are hinged with a number of connecting rods, the other ends of several connecting rods are hinged to the first polishing rod, a number of grooves are opened on the outer wall of the limiting cylinder, and several first polishing rods are slidably mounted in the several grooves respectively.

[0008] Preferably, a second bidirectional threaded rod is rotatably installed on the top of the polishing cover, a pair of second threaded blocks are screwed on the second bidirectional threaded rod, the pair of second threaded blocks are slidably installed in the polishing cover, and a pair of second polishing rods are fixedly installed on the pair of second threaded blocks.

[0009] Preferably, a second motor for driving the second bidirectional threaded rod to rotate is fixedly mounted on the polishing cover.

[0010] Preferably, a debris collection cover is detachably installed on the outside of the polishing cover, a plurality of ventilation holes are opened on the wall of the polishing cover, the polishing cover is connected to the debris collection cover through the plurality of ventilation holes, an exhaust fan is fixedly installed on the polishing cover, and the air inlet end of the exhaust fan is connected to the debris collection cover.

[0011] Preferably, a cylinder is fixedly installed on the top of the polishing box, and the telescopic end of the cylinder extends into the polishing box and is fixedly connected to the polishing cover.

[0012] Preferably, a third motor for driving the limiting cylinder to rotate is fixedly installed in the base.

[0013] Preferably, a box door is hinged on the front side wall of the polishing box.

[0014] Beneficial effects

[0015] The utility model provides a grinding device for a rubber sealing ring, which has the following beneficial effects:

[0016] 1. By installing a polishing box, the rubber sealing ring can be polished in the polishing box. By installing a limiting cylinder, multiple sealing rings can be put on the limiting cylinder for polishing. By installing a first polishing rod and a second polishing rod, when the second polishing rod fixes the sealing ring, the first polishing rod can polish the inner wall of the sealing ring. When the first polishing rod fixes the sealing ring, the second polishing rod can polish the outer wall of the sealing ring. In this way, the inner and outer walls of the sealing ring can be polished. There is no need to polish the outer wall of the sealing ring and then polish the inner wall of the sealing ring manually or by replacing the device, thereby improving the polishing efficiency.

[0017] 2. By installing a first motor, starting the first motor can drive the first bidirectional threaded rod to rotate, and the rotation of the first bidirectional threaded rod can drive a pair of first threaded blocks to move, thereby driving a plurality of connecting rods to swing, thereby driving the first grinding rod to move, so as to grind and fix the inner wall of sealing rings of different sizes. By installing a limit rod, the threaded block can be circumferentially limited, so that the threaded block can maintain vertical movement without rotating;

[0018] 3. By installing a second bidirectional threaded rod, the rotation of the second bidirectional threaded rod can drive the second bidirectional threaded block to move, thereby driving the second grinding rod to move, thereby achieving grinding and fixing of the outer wall of the sealing ring of different sizes;

[0019] 4. By installing an exhaust fan, the debris generated during grinding can be stored in the debris collection cover through the ventilation holes when the exhaust fan is started. The debris collection cover can be set to be removable and installed to facilitate the cleaning of the debris in the debris collection cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0022] Figure 3 for Figure 1 Cross-sectional view of the middle BB;

[0023] Figure 4 for Figure 3 A magnified schematic diagram of middle C;

[0024] Figure 5 for Figure 1 A magnified schematic diagram of D in the middle;

[0025] Figure 6 It is a front view of the utility model.

[0026] In the figure: 1. Base; 2. Polishing box; 3. Limiting cylinder; 4. First bidirectional threaded rod; 5. First threaded block; 6. Limiting rod; 7. Connecting rod; 8. First polishing rod; 9. Polishing layer; 10. Groove; 11. First motor; 12. Cylinder; 13. Polishing cover; 14. Second motor; 15. Second bidirectional threaded rod; 16. Second threaded block; 17. Second polishing rod; 18. Vent; 19. Collection cover; 20. Exhaust fan; 21. Third motor; 22. Box door. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiment of the present invention to clearly and completely describe the technical solutions in the embodiment of the present invention, wherein the directional terms such as "upper" and "lower" mentioned herein are as follows: Figure 1 The orientation is referenced.

[0028] See also Figure 1-6 The utility model provides a technical solution: a rubber sealing ring grinding device, comprising a base 1, a grinding box 2 fixedly mounted on the base 1, a limiting cylinder 3 rotatably mounted in the grinding box 2, a plurality of first grinding rods 8 for grinding the inner wall of the rubber sealing ring movably mounted on the limiting cylinder 3, a driving assembly for driving the plurality of first grinding rods 8 to move is mounted in the limiting cylinder 3, a grinding cover 13 movably mounted on the top of the grinding box 2, a pair of second grinding rods 17 for grinding the outer wall of the rubber sealing ring movably mounted in the grinding cover 13, and a grinding layer 9 is provided on the opposite sides of the pair of first grinding rods 8 and the opposite sides of the pair of second grinding rods 17. By installing the polishing box 2, the rubber sealing ring can be polished in the polishing box 2. By installing the limiting cylinder 3, multiple sealing rings can be put on the limiting cylinder 3 for polishing. By installing the first polishing rod 8 and the second polishing rod 17, when the second polishing rod 17 fixes the sealing ring, the first polishing rod 8 can polish the inner wall of the sealing ring. When the first polishing rod 8 fixes the sealing ring, the second polishing rod 17 can polish the outer wall of the sealing ring, thereby realizing the polishing of the inner and outer walls of the sealing ring. There is no need to polish the outer wall of the sealing ring and then polish the inner wall of the sealing ring manually or by replacing the device, thereby improving the polishing efficiency.

[0029] Furthermore, the driving assembly includes a first motor 11 and a first bidirectional threaded rod 4. The first motor 11 is fixedly mounted on the bottom of the limiting cylinder 3. The first bidirectional threaded rod 4 is fixedly mounted on the driving end of the first motor 11. The first bidirectional threaded rod 4 is rotatably mounted in the limiting cylinder 3. A pair of first threaded blocks 5 are screwed on the first bidirectional threaded rod 4. A pair of limiting rods 6 are fixedly mounted in the limiting cylinder 3. The pair of first threaded blocks 5 are both slidably mounted on the pair of limiting rods 6, and a plurality of connecting rods 7 are hinged on the pair of first threaded blocks 5. The other ends of the plurality of connecting rods 7 are hinged to the first grinding rod 8. The limiting cylinder 3 A plurality of grooves 10 are provided on the outer wall, and a plurality of first grinding rods 8 are slidably installed in the plurality of grooves 10 respectively. By installing a first motor 11, starting the first motor 11 can drive the first bidirectional threaded rod 4 to rotate, and the rotation of the first bidirectional threaded rod 4 can drive a pair of first threaded blocks 5 to move, thereby driving a plurality of connecting rods 7 to swing, and driving the first grinding rod 8 to move, so as to grind and fix the inner walls of sealing rings of different sizes. By installing a limiting rod 6, the first threaded block 5 can be circumferentially limited, so that the first threaded block 5 can maintain vertical movement without rotating.

[0030] Furthermore, a second bidirectional threaded rod 15 is rotatably installed on the top of the polishing cover 13, and a pair of second threaded blocks 16 are screwed on the second bidirectional threaded rod 15. The pair of second threaded blocks 16 are slidably installed in the polishing cover 13, and a pair of second polishing rods 17 are fixedly installed on the pair of second threaded blocks 16. By installing the second bidirectional threaded rod 15, the rotation of the second bidirectional threaded rod 15 can drive the second threaded block 16 to move, thereby driving the second polishing rod 17 to move, and then the outer wall of the sealing ring of different sizes can be polished and fixed.

[0031] Furthermore, a second motor 14 for driving the second bidirectional threaded rod 15 to rotate is fixedly mounted on the polishing cover 13 . Starting the second motor 14 can drive the second bidirectional threaded rod 15 to rotate.

[0032] Furthermore, a debris collection cover 19 is removably installed on the outside of the grinding cover 13, and a plurality of ventilation holes 18 are opened on the wall of the grinding cover 13. The grinding cover 13 is connected to the debris collection cover 19 through the plurality of ventilation holes 18. An exhaust fan 20 is fixedly installed on the grinding cover 13, and the air inlet end of the exhaust fan 20 is connected to the debris collection cover 19. A filter plate is installed in the debris collection cover 19 at the air inlet end of the exhaust fan 20. By installing the exhaust fan 20 and starting the exhaust fan 20, the debris generated during grinding can be stored in the debris collection cover 19 through the ventilation holes. By setting the debris collection cover 19 to be removable and installed, the debris in the debris collection cover 19 can be cleaned.

[0033] Furthermore, a cylinder 12 is fixedly installed on the top of the polishing box 2. The telescopic end of the cylinder 12 extends into the polishing box 2 and is fixedly connected to the polishing cover 13. By installing the cylinder 12 and starting the cylinder 12, the telescopic end of the cylinder 12 can drive the polishing cover 13 to rise and fall. When the polishing cover 13 rises to the top of the polishing box 2, it is convenient to place and take the sealing ring. When polishing, the polishing cover 13 is lowered to the outside of the limit cylinder 3 to collect debris.

[0034] Furthermore, a third motor 21 for driving the limiting cylinder 3 to rotate is fixedly installed in the base 1. The limiting cylinder 3 is installed by rotation. When the inner wall of the sealing ring is polished, the sealing ring is fixed by the second polishing rod 17. Rotating the limiting cylinder 3 can drive the first polishing rod 8 to rotate to realize polishing of the inner wall of the sealing ring. When polishing the outer wall of the sealing ring, after the first polishing rod 8 fixes the sealing ring, the limiting cylinder 3 rotates to drive the first polishing rod 8 and the sealing ring to rotate together, so that the outer wall of the sealing ring can be polished by the second polishing rod 17.

[0035] Furthermore, a box door 22 is hinged on the front side wall of the polishing box 2. By providing the box door 22, the box door 22 can be opened to facilitate loading and unloading. The box door 22 is provided with an observation window.

[0036] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the following working principle, in which the electrical components are electrically connected in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0037] The working principle and use process of the present invention are as follows: when in use, the box door 22 is opened, the rubber ring to be polished is sleeved on the limiting cylinder 3, the box door 22 is closed, the first motor 11 is started to drive the first bidirectional threaded rod 4 to rotate, and the first bidirectional threaded rod 4 is rotated to drive a pair of first threaded blocks 5 to move, thereby driving a plurality of connecting rods 7 to swing, thereby driving the first polishing rod 8 to move, so that the inner wall of the sealing ring is tightened and fixed, and then the cylinder 12 is started, and the telescopic end of the cylinder 12 is extended to drive the polishing cover 13 to descend, and the second motor 14 is started to drive the second bidirectional threaded rod 15 to rotate, thereby driving the second threaded block 16 to move until it is in a position suitable for polishing the outer wall of the sealing ring, and then the third motor 21 is started to drive the limiting cylinder 3 to rotate, thereby driving the first polishing rod 8 and the sealing ring to rotate, so that the outer wall of the sealing ring can be polished. Grinding. When the outer wall of the sealing ring is polished, the second motor 14 is started again to reverse, driving the second bidirectional threaded rod 15 to rotate, driving the second threaded block 16 and the second polishing rod 17 to move until the sealing ring is fixed, and the first motor 11 is started again to reverse, driving a pair of first threaded blocks 5 to move, to drive the first polishing rod 8 to move to a position suitable for polishing the inner wall of the sealing ring, and the third motor 21 is started again to drive the limit cylinder 3 to rotate and thereby drive the first polishing rod 8 to rotate, so that the inner wall of the sealing ring can be polished. During the polishing process of the sealing ring, the exhaust fan 20 is started to allow the debris generated during polishing to enter the collection cover 19 through the ventilation holes for collection. After polishing is completed, the cylinder 12 is started again to drive the polishing cover 13 to rise to the top of the polishing box 2, and the box door 22 is opened to take out the polished sealing ring.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for a rubber sealing ring, characterized in that: The invention comprises a base (1), a polishing box (2) is fixedly mounted on the base (1), a limiting cylinder (3) is rotatably mounted in the polishing box (2), a plurality of first polishing rods (8) for polishing the inner wall of the rubber sealing ring are movably mounted on the limiting cylinder (3), a driving assembly for driving the plurality of first polishing rods (8) to move is mounted in the limiting cylinder (3), a polishing cover (13) is movably mounted on the top of the polishing box (2), a pair of second polishing rods (17) for polishing the outer wall of the rubber sealing ring are movably mounted in the polishing cover (13), and polishing layers (9) are provided on opposite sides of the pair of first polishing rods (8) and opposite sides of the pair of second polishing rods (17).

2. A rubber sealing ring grinding device according to claim 1, characterized in that: The driving assembly comprises a first motor (11) and a first bidirectional threaded rod (4). The first motor (11) is fixedly mounted on the bottom of the limiting cylinder (3). The driving end of the first motor (11) is fixedly mounted with the first bidirectional threaded rod (4). The first bidirectional threaded rod (4) is rotatably mounted in the limiting cylinder (3). A pair of first threaded blocks (5) are screwed onto the first bidirectional threaded rod (4). A pair of limiting rods (6) are fixedly mounted in the limiting cylinder (3). The pair of first threaded blocks (5) are slidably mounted on the pair of limiting rods (6). A pair of first threaded blocks (5) are hinged with a plurality of connecting rods (7). The other ends of the plurality of connecting rods (7) are hinged with the first grinding rod (8). A plurality of grooves (10) are provided on the outer wall of the limiting cylinder (3). The plurality of first grinding rods (8) are slidably mounted in the plurality of grooves (10).

3. A rubber sealing ring grinding device according to claim 1, characterized in that: A second bidirectional threaded rod (15) is rotatably mounted on the top of the polishing cover (13), a pair of second threaded blocks (16) are screwed onto the second bidirectional threaded rod (15), the pair of second threaded blocks (16) are slidably mounted in the polishing cover (13), and a pair of second polishing rods (17) are fixedly mounted on the pair of second threaded blocks (16).

4. A rubber sealing ring grinding device according to claim 3, characterized in that: A second motor (14) for driving the second bidirectional threaded rod (15) to rotate is fixedly mounted on the polishing cover (13).

5. A rubber sealing ring grinding device according to claim 1, characterized in that: A debris collecting cover (19) is detachably mounted on the outer side of the polishing cover (13); a plurality of vent holes (18) are provided on the wall of the polishing cover (13); the polishing cover (13) is connected to the debris collecting cover (19) through the plurality of vent holes (18); an exhaust fan (20) is fixedly mounted on the polishing cover (13); and an air inlet end of the exhaust fan (20) is connected to the debris collecting cover (19).

6. A rubber sealing ring grinding device according to claim 1, characterized in that: A cylinder (12) is fixedly mounted on the top of the polishing box (2), and a telescopic end of the cylinder (12) extends into the polishing box (2) and is fixedly connected to the polishing cover (13).

7. A rubber sealing ring grinding device according to claim 1, characterized in that: A third motor (21) for driving the limiting cylinder (3) to rotate is fixedly installed in the base (1).

8. A rubber sealing ring grinding device according to claim 1, characterized in that: A box door (22) is hinged on the front side wall of the polishing box (2).

Citation Information

Patent Citations

  • Grinding device for rubber sealing ring machining

    CN213319380U

Cited By

  • Polishing device for vacuum oil cylinder machining

    CN122299483A