Sealing element grinding device

Abstract

The utility model relates to the technical field of sealing element grinding, in particular to a sealing element grinding device which comprises an operation platform, a grinding disc, a circular plate, a first air cylinder and an annular water accumulation groove. A ceramic correction ring is arranged on the grinding disc, a plurality of limiting grooves are formed in the inner wall of the ceramic correction ring, and openings of the limiting grooves face the circle center of the ceramic correction ring; a limiting groove is formed in the grinding disc, a spring is arranged in the limiting groove, the axial direction of the spring is parallel to the axial direction of the grinding disc, the circular plate is connected to the top end of the spring, a stepped hole is formed in the circular plate and used for containing the bearing isolator, and it is guaranteed that the axial direction of the bearing isolator is perpendicular to the grinding disc through pressurization of the pressurizing block on the circular plate and elastic potential energy of the spring; therefore, the grinding process is guaranteed, the axial direction of the bearing isolator is always perpendicular to the grinding disc, and then grinding liquid and cooling water on the grinding disc are collected in a unified mode through the annular water accumulation groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing element grinding technical field, especially a sealing element grinding device. BACKGROUND

[0002] The bearing isolator is a kind of sealing element, as important component in mechanical equipment, its main function is to prevent lubricating grease leakage, when the civilian of bearing isolator is ground, generally by utilizing single-sided grinder, bearing isolator workpiece is placed into ceramic correction ring, the surface of bearing isolator needing to be ground is contacted with grinding disc, then by utilizing weight block pressurization on bearing isolator workpiece, grinding is started, however, due to unevenly distributed burr on the surface of bearing isolator to be ground, when weight block is pressed, the surface of bearing isolator with burr is contacted with grinding disc, bearing isolator is offset, one side is warped, leading to that the axial direction of bearing isolator is not perpendicular to grinding disc, when weight block is pressurized on bearing isolator, the surface of bearing isolator to be ground is tightly attached to grinding disc, in the grinding process, the part with burr and the part without burr are evenly ground, thereby finally leading to that the axial direction of bearing isolator cannot be perpendicular to grinding disc, further leading to that the precision of bearing isolator is reduced, and in the grinding process, in order to guarantee the normal progress of grinding, grinding liquid and cooling water are added, but due to the centrifugal effect of grinding disc, the mixture of grinding liquid and cooling water splashes everywhere, further polluting work, therefore, a sealing element grinding device is urgently needed, which can not only correct the grinding surface of sealing element during sealing element grinding process, guarantee that the grinding surface of sealing element is flat and complete, but also can collect grinding liquid and cooling water in grinding process, avoid splashing everywhere. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a sealing element grinding device, which can not only correct the grinding surface of the sealing element during the sealing element grinding process, guarantee that the grinding surface of the sealing element is flat and complete, but also collect the grinding liquid and cooling water during the grinding process, avoid splashing everywhere.

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is as follows: a sealing element grinding device, comprising:

[0005] A base;

[0006] An operation platform is connected to the base, and the middle part of the operation platform is provided with an opening, and the lower part of the operation platform is provided with a plurality of first grooves;

[0007] The grinding disc is rotatably connected in the opening, and the grinding disc is provided with a ceramic correction ring, the inner wall of the ceramic correction ring is provided with a plurality of limiting grooves, the opening of the limiting grooves faces the center of the ceramic correction ring, a spring is arranged in the limiting groove, and the axial direction of the spring is parallel to the axial direction of the grinding disc;

[0008] The outer circumference of the circular plate is provided with a plurality of connecting blocks, the number of the connecting blocks is the same as that of the limiting grooves, the lower part of the connecting plate is connected with the top end of the spring, and the circular plate is provided with a stepped hole;

[0009] The first cylinder is connected with the base, the axial direction of the first cylinder is vertical, the upper part of the piston rod of the first cylinder is provided with a driving motor, the output end of the driving motor is provided with a pressing plate, the pressing plate is located above the ceramic correction ring, the lower part of the pressing plate is provided with a pressing block, the number of the pressing blocks is the same as that of the stepped holes, and in the state that the driving motor drives the rotating shaft of the pressing plate, each stepped hole corresponds to a pressing block.

[0010] The outer circumference of the annular water collecting groove is provided with a convex block matched with the first groove, the convex block is connected in the first groove through a fastening mechanism, so that the annular water collecting groove is located between the outer circumference of the grinding disc and the inner wall of the opening, and the lower part of the annular water collecting groove is provided with a drain port.

[0011] Further, the fastening mechanism comprises an annular sliding block, a second cylinder and a fastening device, each first groove corresponds to a fastening device, the fastening device comprises a first pivot shaft, a connecting rod, a second pivot shaft, a track, a moving block and a bolt, the track is connected in the first groove, the direction of the track faces the center of the grinding disc, the moving block is slidably connected with the track, the bolt is connected with the moving block, the first pivot shaft is connected with the moving block, one end of the connecting rod is pivoted with the first pivot shaft, the second pivot shaft is connected with the outer circumference of the annular sliding block, the other end of the connecting rod is pivoted with the second pivot shaft, the axial direction of the second pivot shaft is parallel to the tangent of the annular sliding block, the first pivot shaft is parallel to the second pivot shaft, the convex block is provided with a second groove matched with the bolt, the cylinder body of the second cylinder is connected with the base, the annular sliding block is provided with a limiting block connected with the piston rod of the second cylinder.

[0012] The second cylinder drives the annular sliding block to switch between a first state and a second state;

[0013] In the first state, the annular sliding block moves upward, the bolt is separated from the second groove, and the annular water collecting groove is located below the operation platform;

[0014] In the second state, the annular sliding block moves upward, the bolt is separated from the second groove, and the annular water collecting groove is located between the outer circumference of the grinding disc and the inner wall of the opening.

[0015] Further, in the second state, the outer side of the annular water collecting groove is provided with an annular water baffle.

[0016] Further, the water inlet lower part is provided with internal thread.

[0017] Further, the plurality of limiting grooves are distributed in a circumferential array along the axial direction of the ceramic correction ring.

[0018] The beneficial effects of the present application are as follows: compared with the prior art, the sealing element grinding device can not only correct the grinding surface of the sealing element during the grinding process, but also ensure the flatness and integrity of the grinding surface of the sealing element, and can collect the grinding liquid and cooling water during the grinding process to avoid splashing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure diagram of a sealing element grinding device according to the present application;

[0020] Figure 2 A structure diagram of a sealing element grinding device according to the present application;

[0021] Figure 3 A Figure 2 enlarged view of A part of the sealing element grinding device according to the present application;

[0022] Figure 4 A side view of the sealing element grinding device according to the present application;

[0023] Figure 5 A Figure 4 cross-sectional view of A direction of the sealing element grinding device according to the present application;

[0024] Figure 6 A Figure 5 enlarged view of B part of the sealing element grinding device according to the present application.

[0025] REFERENCE NUMERALS

[0026] 1, base;

[0027] 2, operation platform; 21, opening; 22, first groove;

[0028] 3, grinding disc; 31, ceramic correction ring; 311, limiting groove; 312, spring;

[0029] 4, circular plate; 41, connecting block; 42, stepped hole;

[0030] 5, first air cylinder; 51, driving motor; 52, pressing plate; 521, pressing block;

[0031] 6, annular water accumulation groove; 61, drain; 611, internal thread; 62, protrusion; 621, second groove; 63, annular water baffle;

[0032] 7, fastening mechanism; 71, annular slider; 72, second cylinder; 73, fastening device; 731, first pivot shaft; 732, second pivot shaft; 733, connecting rod; 734, track; 735, moving block; 736, bolt. DETAILED DESCRIPTION

[0033] In order to make the technical content of the utility model, the purposes and effects achieved more clear, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0034] Please refer to Figures 1 to 6 A sealing element grinding device, comprising:

[0035] A base 1;

[0036] An operation platform 2 connected to the base 1, the middle part of the operation platform 2 is provided with an opening 21, and the lower part of the operation platform 2 is provided with a plurality of first grooves 22;

[0037] A grinding disc 3 rotatably connected to the opening 21, the grinding disc 3 is provided with a ceramic correction ring 31, the inner wall of the ceramic correction ring 31 is provided with a plurality of limiting grooves 311, the limiting grooves 311 are open towards the center of the ceramic correction ring 31, a spring 312 is arranged in the limiting groove 311, and the axial direction of the spring 312 is parallel to the axial direction of the grinding disc 3;

[0038] A circular plate 4, the outer circumference of the circular plate 4 is provided with a plurality of connecting blocks 41, the number of the connecting blocks 41 is the same as that of the limiting grooves 311, the lower part of the connecting plate is connected to the top end of the spring 312, and the circular plate 4 is provided with a stepped hole 42;

[0039] A first cylinder 5, the cylinder body of the first cylinder 5 is connected to the base 1, the axial direction of the first cylinder 5 is vertical, the upper part of the piston rod of the first cylinder 5 is provided with a driving motor 51, the output end of the driving motor 51 is provided with a pressing plate 52, the pressing plate 52 is located above the ceramic correction ring 31, the lower part of the pressing plate 52 is provided with a pressing block 521, the number of the pressing blocks 521 is the same as that of the stepped holes 42, and each stepped hole 42 corresponds to a pressing block 521 in a certain state of the driving motor 51 driving the rotating shaft of the pressing plate 52;

[0040] An annular water collecting groove 6, the outer circumference of the annular water collecting groove 6 is provided with a protrusion 62 matched with the first groove 22, the protrusion 62 is connected to the first groove 22 through the fastening mechanism 7, so that the annular water collecting groove 6 is located between the outer circumference of the grinding disc 3 and the inner wall of the opening 21, and the lower part of the annular water collecting groove 6 is provided with a drain port 61.

[0041] In the above embodiments, it should be noted that the ceramic correction ring 31 can be purchased from Yixing Special Ceramic Products Co., Ltd. The grinding step is as follows: the bearing isolator is placed into the stepped hole 42, one end of the bearing isolator is located at the end with larger radius of the stepped hole 42, and the other end of the bearing isolator is located at the end with smaller radius of the stepped hole 42, so that the bearing isolator has a certain distance from the grinding disc 3, then the driving motor 51 drives the pressing plate 52 to rotate, so that each pressing block 521 corresponds to one stepped hole 42, the first cylinder 5 is extended and retracted, so that the pressing block 521 acts on the bearing isolator in the stepped hole 42, then continues to press down, so that the spring 312 is compressed, and then the circular plate 4 moves downward, the elastic potential energy of the spring 312 is utilized, so that the burrs of the bearing isolator contact the grinding disc 3, and the axial direction of the bearing isolator is perpendicular to the grinding disc 3, when the burr part is ground to completion, the spring 312 continues to be compressed, so that the entire bearing isolator is flush with the grinding disc 3, and the grinding is continued, so as to ensure that the grinding surface of the bearing isolator is flush, and through the use of the annular water collecting groove 6, the grinding liquid and the cooling water enter the annular water collecting groove 6 under the centrifugal action of the grinding disc 3, so as to avoid the grinding liquid and the cooling water from splashing everywhere. Compared with the prior art, not only can the grinding surface of the sealing element be corrected during the grinding process of the sealing element, so as to ensure that the grinding surface of the sealing element is flush and complete, but also the grinding liquid and the cooling water during the grinding process can be collected, so as to avoid splashing everywhere.

[0042] As an optional embodiment, the fastening mechanism 7 includes an annular sliding block 71, a second cylinder 72 and a fastening device 73, one fastening device 73 corresponds to each first recess 22, the fastening device 73 includes a first pivot shaft 731, a connecting rod 733, a second pivot shaft 732, a track 734, a moving block 735 and a plug 736, the track 734 is connected in the first recess 22, the direction of the track 734 is towards the center of the grinding disc 3, the moving block 735 is slidably connected with the track 734, the plug 736 is connected with the moving block 735, the first pivot shaft 731 is connected with the moving block 735, one end of the connecting rod 733 is pivoted with the first pivot shaft 731, the second pivot shaft 732 is connected with the outer circumference of the annular sliding block 71, the other end of the connecting rod 733 is pivoted with the second pivot shaft 732, the axial direction of the second pivot shaft 732 is parallel to the tangent line of the annular sliding block 71, the first pivot shaft 731 is parallel to the second pivot shaft 732, the convex block 62 is provided with a second recess 621 matched with the plug 736, the cylinder body of the second cylinder 72 is connected with the base 1, the annular sliding block 71 is provided with a limiting block connected with the piston rod of the second cylinder 72;

[0043] The second cylinder 72 drives the annular sliding block 71 to switch between the first state and the second state;

[0044] The first state, the annular slider 71 moves up, the plug 736 is separated from the second groove 621, and the annular water tank 6 is located below the operation platform 2.

[0045] The second state, the annular slider 71 moves up, the plug 736 is separated from the second groove 621, and the annular water tank 6 is located below the operation platform 2.

[0046] In the above embodiment, through the extension and contraction of the second cylinder 72, the annular slider 71 is driven to move in the vertical direction. When the annular slider 71 moves up, the moving block 735 moves, so that the plug 736 is separated from the second groove 621, and then the annular water tank 6 can be separated to the lower side of the operation platform 2, which is convenient for cleaning the inside of the annular water tank 6. When the annular slider 71 moves down, the moving block 735 moves, so that the plug 736 is separated from the second groove 621, and then the annular water tank 6 can be connected between the outer circumference of the grinding disc 3 and the inner wall of the opening 21.

[0047] As an optional embodiment, the outer side of the annular water tank 6 is provided with a ring-shaped water baffle 63 in the second state.

[0048] In the above embodiment, by arranging the ring-shaped water baffle 63, the grinding liquid and cooling water can be further prevented from splashing everywhere.

[0049] As an optional embodiment, the lower part of the water inlet is provided with an internal thread 611.

[0050] In the above embodiment, the external water pipe can be connected with the internal thread 611, so that the grinding liquid and cooling water can be concentrated and treated.

[0051] As an optional embodiment, a plurality of limiting grooves 311 are arranged in a circumferential array in the axial direction of the ceramic correction ring 31.

[0052] In the above embodiment, the circular plate 4 can be uniformly stressed, so that the circular plate 4 is prevented from being deviated, and the axial deviation of the bearing isolator is prevented.

[0053] The above only describes the embodiments of the present application, and does not limit the patent range of the present application. Any equivalent transformation or direct or indirect application in related technical fields based on the content of the present application is also included in the patent protection range of the present application.

Claims

1. A seal grinding apparatus characterized by comprising: The utility model relates to a grinding machine, including: Base; Operation platform, operation platform is connected to base, and the middle part of operation platform is equipped with opening, and the lower part of operation platform is equipped with a plurality of first recesses; Grinding disc, grinding disc is rotatably connected in opening, and is equipped with ceramic correction ring on grinding disc, and the inner wall of ceramic correction ring is equipped with a plurality of limiting grooves, and the opening of limiting groove faces the center of ceramic correction ring, and spring is equipped in limiting groove, and the axial direction of spring is parallel to the axial direction of grinding disc; Circular plate, the outer circumference of circular plate is equipped with a plurality of connecting blocks, and the number of connecting block is same with the number of limiting groove, and the lower part of connecting plate is connected with the top of spring, and is equipped with stepped hole on circular plate; First cylinder, the cylinder body of first cylinder is connected to base, and the axial direction of first cylinder is vertical direction, and the upper of piston rod of first cylinder is equipped with drive motor, and the output end of drive motor is equipped with pressurizing plate, and pressurizing plate is located in the upper of ceramic correction ring, and the lower part of pressurizing plate is equipped with pressurizing block, and the number of pressurizing block is same with the number of stepped hole, and every stepped hole corresponds a pressurizing block under the state that drive motor drives the rotation axis of pressurizing plate; Annular water collecting groove, the outer circumference of annular water collecting groove is equipped with convex block matched with first recess, and convex block is connected in first recess through fastening mechanism, so that annular water collecting groove is located between the outer circumference of grinding disc and the inner wall of opening, and the lower part of annular water collecting groove is equipped with drain hole.

2. The seal grinding apparatus according to claim 1, wherein The fastening mechanism includes annular slide, second cylinder and fastening device, and each first recess corresponds a fastening device, and the fastening device includes first pivot shaft, connecting rod, second pivot shaft, track, moving block and bolt, the track is connected in the first recess, and the direction of track faces the center of grinding disc, the moving block is slidably connected with the track, the bolt is connected with the moving block, the first pivot shaft is connected with the moving block, one end of the connecting rod is pivoted with the first pivot shaft, the second pivot shaft is connected with the outer circumference of annular slide, the other end of the connecting rod is pivoted with the second pivot shaft, and the axial direction of second pivot shaft is parallel to the tangent of annular slide, and the first pivot shaft is parallel to the second pivot shaft, the second recess matched with the bolt is arranged on the convex block, the cylinder body of second cylinder is connected with the base, the limiting block is arranged on the annular slide, and the limiting block is connected with the piston rod of second cylinder; The second cylinder drives the annular slide to switch between the first state and the second state; In the first state, the annular slide moves up, the bolt is separated from the second recess, and the annular water collecting groove is located below the operation platform; In the second state, the annular slide moves up, the bolt is inserted into the second recess, and the annular water collecting groove is located between the outer circumference of grinding disc and the inner wall of opening.

3. The seal grinding apparatus of claim 1, wherein In the second state, the outer side of annular water collecting groove is provided with an annular water baffle.

4. The seal grinding apparatus of claim 1, wherein The lower part of the water inlet is provided with an internal thread.

5. The seal grinding apparatus of claim 1 wherein, The plurality of limiting grooves are arranged in a circumferential array along the axial direction of the ceramic correction ring.

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