CN218658153U

CN218658153U - Centrifugal pump sealing ring processing device

Info

Publication number: CN218658153U
Application number: CN202223242662.9U
Authority: CN
Inventors: 常捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-21
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a centrifugal pump sealing ring processingequipment, including setting up the base in the sealing ring below, the fixed dress that inlays in top of base is equipped with driving motor, driving motor's output shaft top fixedly connected with and base top rolling contact's supporting mechanism, and driving motor is used for driving the supporting mechanism rotation. The utility model discloses a setting of screw thread actuating mechanism and rotary driving mechanism, can drive four extrusion fixed blocks and four protection rubber outwards expand simultaneously and prop admittedly to the sealing ring, mode with adjustable four extrusion fixed block positions can realize fixing the sealing ring of different specifications, improve application scope, and adjustable grinding machanism, driving motor and supporting mechanism's setting, can polish simultaneously the top and the bottom of sealing ring, improve the efficiency of polishing, and two mode with adjustable the position of polishing piece, can be applicable to the sealing ring of different specifications, improve application scope.

Description

Centrifugal pump sealing ring processing device

Technical Field

The utility model relates to a centrifugal pump sealing ring processing equipment technical field especially relates to a centrifugal pump sealing ring processingequipment.

Background

The sealing ring of the centrifugal pump is used for sealing the centrifugal pump, burrs at the top and the bottom of the sealing ring are required to be polished and removed in the processing process of the sealing ring of the existing centrifugal pump, the sealing ring is required to be fixed before polishing by the existing polishing device for processing the sealing ring, the sealing ring is fixed by the existing polishing device, a fixing sleeve is usually adopted for fixing, the fixing method of the fixing sleeve can only be suitable for sealing rings with the same specification, and the application range is limited; in addition, when polishing, the single time can only polish the one side of sealing ring usually, and it is inefficient to polish, can not satisfy the user demand, therefore we have proposed a centrifugal pump sealing ring processingequipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a centrifugal pump sealing ring processing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a centrifugal pump sealing ring processing device comprises a base arranged below a sealing ring, wherein a driving motor is fixedly embedded in the top of the base, the top end of an output shaft of the driving motor is fixedly connected with a supporting mechanism in rolling contact with the top of the base, the driving motor is used for driving the supporting mechanism to rotate, the top end of the supporting mechanism is fixedly connected with an installation block, the supporting mechanism is used for installing the installation block, the installation block is positioned in the sealing ring, a first groove is formed in the left side of the top of the base, an adjustable polishing mechanism is slidably installed on the inner wall of the bottom of the first groove, the adjustable polishing mechanism is movably contacted with the left side of the top and the left side of the bottom of the sealing ring, the top and the bottom of the sealing ring are polished through the adjustable polishing mechanism, an output shaft and an electric telescopic rod fixedly connected with the right side of the adjustable polishing mechanism are embedded on the inner wall of the right side of the first groove, and the electric telescopic rod can drive the adjustable polishing mechanism to transversely move, the outside of installation piece is the annular and has seted up four rectangular channels, install screw thread actuating mechanism in the rectangular channel, one side that two relative screw thread actuating mechanism kept away from each other extends to outside the corresponding rectangular channel respectively and fixedly connected with extrusion fixed block, screw thread actuating mechanism's setting, can adjust the position of extrusion fixed block in a flexible way, one side that the screw thread actuating mechanism that the extrusion fixed block kept away from corresponding bonds and is fixed with anti-skidding rubber, the setting of extrusion fixed block and protection rubber, can extrude the sealing ring and prop admittedly, and the setting of protection rubber, can reduce the phenomenon of propping the solid in-process and skidding, improve and prop solid stability, one side that the anti-skidding rubber kept away from the corresponding extrusion fixed block and the inner wall movable contact of sealing ring, the mounting groove has been seted up at the top of installation piece, the one end that four screw thread actuating mechanism are close to each other all extends to in the mounting groove and the same rotatory drive of fixedly connected with is driven to the mounting groove in, the anti-skidding rubber is propped up The top of the rotary driving mechanism extends to the upper part of the mounting block, and the rotary driving mechanism can drive the four thread driving mechanisms to rotate simultaneously.

Preferably, the supporting mechanism comprises a supporting circular plate, the top end of an output shaft of the driving motor is fixedly connected with the bottom of the supporting circular plate, a plurality of supporting balls are embedded in the bottom of the supporting circular plate in an annular mode, the supporting balls are in rolling contact with the top of the base, a connecting shaft is fixedly connected to the top of the supporting circular plate, the top end of the connecting shaft is fixedly connected with the bottom of the mounting block, and the mounting block is supported by the supporting circular plate, the supporting balls and the connecting shaft in a matched mode.

Preferably, the adjustable polishing mechanism comprises a moving block slidably mounted on the inner wall of the bottom of a first groove, the left end of an output shaft of an electric telescopic rod is fixedly connected with the right side of the moving block, the top of the moving block extends to the top of a base and is fixedly connected with a mounting plate, a second groove is formed in the right side of the mounting plate, first screws are rotatably mounted on the inner wall of the top of the second groove and the inner wall of the bottom of the second groove, two ends, close to each other, of the first screws are welded, the threads of the two first screws are opposite in rotation direction, the top end, located above the first screw, extends to the top of the mounting plate and is fixedly connected with a knob, a moving rod slidably mounted on the inner wall of the left side of the second groove is sleeved on the first screw, the first screw is in threaded connection with the corresponding moving rod, the corresponding moving rod can be driven to move in the vertical direction of the first screw, the right end of the moving rod extends to the right side of the mounting plate and is fixedly connected with polishing blocks, one side, close to each other side of the two polishing blocks is respectively in movable contact with the top and the bottom of a sealing ring, and the top and the bottom of the sealing ring are polished by the two polishing blocks.

Preferably, the thread driving mechanism comprises a rectangular rod which is slidably mounted in a rectangular groove, one end, far away from each other, of each two opposite rectangular rods is fixedly connected with one side, close to each other, of each two opposite extrusion fixing blocks respectively, the rectangular groove is far away from the inner wall of one side of the opening of the rectangular groove and is provided with a second screw rod in a rotating mode, the rectangular rod is sleeved on the corresponding second screw rod in a threaded mode, the rectangular rod is in threaded connection with the second screw rod, the second screw rod can be driven to move at the transverse position of the corresponding rectangular rod when the second screw rod rotates, and one end, close to each other, of each two opposite second screw rods extends into the mounting groove.

Preferably, the rotary driving mechanism comprises four first bevel gears arranged in the mounting groove, the two opposite first bevel gears are symmetrically arranged, one sides, far away from each other, of the two opposite first bevel gears are fixedly connected with one ends, close to each other, of the two opposite second screws respectively, the tops of the four first bevel gears are meshed with the second bevel gears, the tops of the second bevel gears are fixedly connected with a T-shaped rotating rod, the T-shaped rotating rod is used for driving the second bevel gears to rotate, the four first bevel gears are matched with the second bevel gears and can drive the four second screws to rotate simultaneously, the tops of the T-shaped rotating rods extend to the upper portion of the mounting block, and the T-shaped rotating rods are rotatably mounted in the mounting groove.

Preferably, a first T-shaped sliding rail is fixedly connected to the inner wall of the bottom of the first groove, a first T-shaped sliding groove is formed in the bottom of the moving block, the two sides of the first T-shaped sliding groove are respectively provided with an opening, the first T-shaped sliding rail is slidably connected with the first T-shaped sliding groove, the first T-shaped sliding rail plays a role in transverse guiding the moving block, a second T-shaped sliding rail is fixedly connected to the inner wall of the left side of the second groove, a second T-shaped sliding groove is formed in the left end of the moving rod, the top and the bottom of the moving rod are respectively provided with the opening, the second T-shaped sliding rail is slidably connected with the two second T-shaped sliding grooves, and the second T-shaped sliding rail plays a role in vertical guiding for the moving rod.

Preferably, fixedly connected with bracing piece between the both sides inner wall of mounting groove, first circular port has been seted up at the top of bracing piece, and first circular port internal fixation cover is equipped with first bearing, and the inboard outside fixed connection with T shape bull stick of inner circle of first bearing supports T shape bull stick through the bracing piece, and first bearing plays the effect that supplies T shape bull stick rotation installation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the four extrusion fixing blocks and the four protective rubber sheets can be driven to simultaneously expand outwards to support and fix the sealing ring through the matching of the thread driving mechanism and the rotary driving mechanism, and the sealing rings with different specifications can be fixed by the mode that the positions of the four extrusion fixing blocks are adjustable, so that the application range is improved;

2. the adjustable polishing mechanism, the driving motor and the supporting mechanism are matched, so that the top and the bottom of the sealing ring can be simultaneously polished, the polishing efficiency is improved, and the positions of the two polishing blocks can be flexibly adjusted by the arrangement of the adjustable polishing mechanism, so that the adjustable polishing mechanism is suitable for sealing rings with different specifications, and the application range is improved;

the utility model discloses a screw thread actuating mechanism and rotary driving mechanism's setting, can drive four extrusion fixed blocks and four protection rubber outwards expand simultaneously and prop admittedly to the sealing ring, four modes with adjustable extrusion fixed block position, can realize fixing the sealing ring of different specifications, and the application scope is improved, and adjustable grinding machanism, driving motor and supporting mechanism's setting, can polish simultaneously top and the bottom of sealing ring, and the efficiency of polishing is improved, and the mode with adjustable two positions of polishing block, can be applicable to the sealing ring of different specifications, and the application scope is improved.

Drawings

Fig. 1 is a schematic perspective view of a centrifugal pump seal ring processing device according to the present invention;

fig. 2 is a schematic front sectional view of the centrifugal pump sealing ring processing device according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100. a base; 101. a seal ring; 102. a drive motor; 1. mounting a plate; 2. a second groove; 3. a first screw; 4. a travel bar; 5. grinding blocks; 6. a first groove; 7. a moving block; 8. an electric telescopic rod; 9. a supporting circular plate; 10. mounting blocks; 11. a rectangular groove; 12. a rectangular bar; 13. a second screw; 14. extruding the fixed block; 15. mounting grooves; 16. a first bevel gear; 17. a second bevel gear; 18. t-shaped rotating rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a centrifugal pump sealing ring processing device comprises a base 100 arranged below a sealing ring 101, wherein a driving motor 102 is fixedly embedded in the top of the base 100, a first groove for fixedly installing the driving motor 102 is formed in the top of the base 100, the top end of an output shaft of the driving motor 102 is fixedly connected with a supporting mechanism in rolling contact with the top of the base 100, the supporting mechanism comprises a supporting circular plate 9, the top end of the output shaft of the driving motor 102 is fixedly connected with the bottom of the supporting circular plate 9, the bottom of the supporting circular plate 9 is annularly embedded with a plurality of supporting balls, the supporting balls are in rolling contact with the top of the base 100, the top of the supporting circular plate 9 is fixedly connected with a connecting shaft, and the top end of the connecting shaft is fixedly connected with an installation block 10, wherein the installation block 10 is supported by matching of the supporting circular plate 9, the supporting balls and the connecting shaft;

the mounting block 10 is positioned in the sealing ring 101, the first groove 6 is arranged on the left side of the top of the base 100, the adjustable polishing mechanism is slidably mounted on the inner wall of the bottom of the first groove 6, the adjustable polishing mechanism is movably contacted with the left side of the top and the left side of the bottom of the sealing ring 101, the right side inner wall of the first groove 6 is embedded with an output shaft and the right side of the adjustable polishing mechanism is fixedly connected with an electric telescopic rod 8, a second groove for mounting the electric telescopic rod 8 is arranged on the inner wall of the right side of the first groove 6, the adjustable polishing mechanism comprises a moving block 7 slidably mounted on the inner wall of the bottom of the first groove 6, a first T-shaped sliding rail is fixedly connected on the inner wall of the bottom of the first groove 6, a first T-shaped sliding groove with two sides being opened is arranged at the bottom of the moving block 7, the first T-shaped sliding rail is slidably connected with the first T-shaped sliding groove, and plays a role of transverse guiding to the moving block 7, the left end of an output shaft of an electric telescopic rod 8 is fixedly connected with the right side of a movable block 7, the top of the movable block 7 extends to the upper part of a base 100 and is fixedly connected with a mounting plate 1, the right side of the mounting plate 1 is provided with a second groove 2, the top inner wall and the bottom inner wall of the second groove 2 are respectively and rotatably provided with a first screw 3, wherein the top inner wall and the bottom inner wall of the second groove 2 are respectively provided with a first circular hole, a second bearing is fixedly sleeved in the first circular hole positioned at the lower part, two third bearings are fixedly sleeved in the first circular hole positioned at the upper part, the inner sides of inner rings of the second bearings and the inner sides of the inner rings of the third bearings are respectively and fixedly connected with the outer sides of the corresponding first screws 3, the second bearings and the third bearings play a role in rotatably mounting the corresponding first screws 3, one ends of the two first screws 3 which are close to each other are welded, the thread turning directions of the two first screws 3 are opposite, the top ends of the first screws 3 positioned above extend to the upper side of the mounting plate 1 and are fixedly connected with knobs, moving rods 4 which are slidably mounted on the left inner wall of the second groove 2 are sleeved on the first screws 3 in a threaded manner, second threaded holes are formed in the top portions of the moving rods 4 and are in threaded connection with the corresponding first screws 3, the moving rods 4 can drive the corresponding moving rods 4 to vertically move while rotating through the corresponding second threaded holes in a threaded connection manner with the first screws 3, second T-shaped sliding rails are fixedly connected to the left inner wall of the second groove 2, the left end of each moving rod 4 is provided with second T-shaped sliding grooves, the top and the bottom of each moving rod 4 are both provided with openings, the second T-shaped sliding rails are slidably connected with the two second T-shaped sliding grooves, the second T-shaped sliding rails have a vertical guiding effect on the moving rods 4, the right ends of the moving rods 4 extend to the right side of the mounting plate 1 and are fixedly connected with grinding blocks 5, one side, which is close to each other, the top of the sealing ring 101 and the bottom of the sealing ring 101 are respectively in contact with the grinding blocks 5, and the top portions of the sealing ring 101;

the outer side of the mounting block 10 is annularly provided with four rectangular grooves 11, a thread driving mechanism is mounted in each rectangular groove 11, each thread driving mechanism comprises a rectangular rod 12 which is slidably mounted in each rectangular groove 11, a limiting hole is formed in the inner wall of the bottom of each rectangular groove 11, the bottom of each rectangular rod 12 is fixedly connected with a limiting block which is slidably mounted in the corresponding limiting hole, each limiting block is matched with the corresponding limiting hole to play a role in limiting and preventing the rectangular rod 12 from falling off, one end, far away from each other, of each two opposite rectangular rods 12 is fixedly connected with an extrusion fixing block 14, one side, far away from the opening, of each rectangular groove 11 is rotatably mounted on the inner wall, far away from the opening, of each rectangular groove 11 is provided with a rotating groove, a fourth bearing is fixedly sleeved in each rotating groove, the inner side of each fourth bearing is fixedly connected with the outer side of the corresponding second screw 13, each fourth bearing plays a role in rotatably mounting the corresponding second screw 13, the rectangular rods 12 are sleeved on the corresponding second screw 13, one end, far away from the extrusion fixing block 14, is provided with a first threaded hole, the corresponding second screw 13 is in threaded connection with the corresponding second screw 13, and the corresponding threaded connection mode of the second screw 12 can drive the rotating rod to move on the corresponding rectangular rod 13;

the side, far away from the corresponding thread driving mechanism, of the extrusion fixing block 14 is fixedly bonded with an anti-slip rubber sheet, one side, far away from the corresponding extrusion fixing block 14, of the anti-slip rubber sheet is in movable contact with the inner wall of the sealing ring 101, the anti-slip rubber sheet is arranged, so that the slipping phenomenon in the extrusion supporting and fixing process can be effectively reduced, the top of the mounting block 10 is provided with a mounting groove 15, the mounting groove 15 is communicated with four rotating grooves, the mutually close ends of the four second screws 13 extend into the mounting groove 15 and are fixedly connected with the same rotary driving mechanism, the top of the rotary driving mechanism extends to the upper side of the mounting block 10, wherein the rotary driving mechanism comprises four first bevel gears 16 arranged in the mounting groove 15, the two opposite first bevel gears 16 are symmetrically arranged, the mutually far away sides of the two opposite first bevel gears 16 are fixedly connected with the mutually close ends of the two opposite second screws 13 respectively, the top of the four first bevel gears 16 is engaged with a second bevel gear 17, the top of the second bevel gear 17 is fixedly connected with a T-shaped rotating rod 18, the top of the T-shaped rotating rod 18 extends to the upper part of the mounting block 10, the T-shaped rotating rod 18 drives the second bevel gear 17 to rotate, the T-shaped rotating rod 18 is rotatably mounted in the mounting groove 15, a support rod is fixedly connected between the inner walls of the two sides of the mounting groove 15, the top of the support rod is provided with a first circular hole, a first bearing is fixedly sleeved in the first circular hole, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the T-shaped rotating rod 18, the first bearing has the effect of rotatably mounting the T-shaped rotating rod 18, the sealing ring 101 can be supported and fixed by driving the four extrusion fixing blocks 14 and the four protective rubber sheets to simultaneously and outwards expand through the arrangement of the screw driving mechanism and the rotary driving mechanism, mode with adjustable 14 position of four extrusion fixed blocks can realize fixing the sealing ring 101 of different specifications, improves application scope, and grinding machanism with adjustable, driving motor 102 and supporting mechanism's setting can be polished simultaneously to the top and the bottom of sealing ring 101, improves the efficiency of polishing, and the mode with adjustable two grinding block 5's position can be applicable to the sealing ring 101 of different specifications, improves application scope.

The working principle is as follows: when the sealing ring 101 is used, before the sealing ring 101 is not fixed, the grinding block 5 is positioned at the leftmost side, when the sealing ring 101 needs to be fixedly ground, firstly, the sealing ring 101 is sleeved on the four extrusion fixing blocks 14, then the T-shaped rotating rod 18 is rotated, the T-shaped rotating rod 18 is rotated and simultaneously drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the four first bevel gears 16 meshed with the second bevel gears to rotate, the first bevel gears 16 drive the corresponding second screws 13 to rotate, as the two opposite first bevel gears 16 are symmetrically arranged, the rotating directions of the two opposite second screws 13 are opposite, under the action of the first threaded holes formed in the rectangular rods 12, the two opposite second screws 13 rotate and simultaneously drive the two opposite rectangular rods 12 to move in the directions away from each other, the rectangular rods 12 drive the corresponding extrusion fixing blocks 14 to move, the four extrusion fixing blocks 14 drive the four anti-skid rubber sheets to simultaneously expand outwards to extrude the inner wall of the sealing ring 101, under the action of extrusion external bracing, the external bracing fixing blocks 14 are driven to synchronously expand outwards to realize the fixing mode of extrusion, and the sealing ring 101 can be applicable range is improved;

when polishing is needed, firstly, the electric telescopic rod 8 is started reversely, the output shaft of the electric telescopic rod 8 drives the movable block 7 to move rightwards, the movable block 7 drives the mounting plate 1 to move rightwards, the mounting plate 1 sequentially passes through the two first screw rods 3 and the two movable rods 4 to drive the two polishing blocks 5 to move rightwards simultaneously, when the two polishing blocks 5 move to the upper part and the lower part of the sealing ring 101 respectively, the electric telescopic rod 8 is stopped, then the knob is rotated forwardly to drive the two first screw rods 3 to rotate, under the action of a second threaded hole formed in the top of the movable rods 4, the thread turning directions of the two first screw rods 3 are opposite, so that the two first screw rods 3 are rotated to drive the two movable rods 4 to move towards the direction close to each other, and the two movable rods 4 drive the two polishing blocks 5 to move towards the direction close to the top and the bottom of the sealing ring 101 to be in movable contact with each other, the sealing ring grinding machine is applicable to sealing rings 101 of different specifications by means of position adjustment of the grinding blocks 5, application range is improved, the driving motor 102 is started, an output shaft of the driving motor 102 drives the supporting circular plate 9 to rotate, the supporting circular plate 9 drives a plurality of supporting balls to rotate, the supporting circular plate 9 drives the mounting block 10 to rotate through a connecting shaft, the mounting block 10 drives four extrusion fixing blocks 14 to rotate through four rectangular rods 12, the four extrusion fixing blocks 14 drive the sealing ring 101 to rotate through four anti-skid rubber sheet frictions, the sealing ring 101 rotates and rubs with the two grinding blocks 5 simultaneously, burrs at the top and the bottom of the sealing ring 101 can be ground simultaneously under friction force, and grinding efficiency is improved by means of simultaneous grinding of the two grinding blocks 5 to the top and the bottom of the sealing ring 101;

after polishing the completion, electric telescopic handle 8 is played to the forward, the motion process that starts electric telescopic handle 8 with the reverse direction on the same reason is opposite, make two sanding block 5 remove left and stagger with sealing ring 101, reverse rotation T shape bull stick 18, opposite with the motion process of forward rotation T shape bull stick 18, make four extrusion fixed block 14 inwards shrink simultaneously, four extrusion fixed block 14 drive four anti-skidding rubber inwards shrink and sealing ring 101 separation, remove the fixed to sealing ring 101, can take off sealing ring 101.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A centrifugal pump sealing ring processing device comprises a base (100) arranged below a sealing ring (101), and is characterized in that a driving motor (102) is fixedly embedded at the top of the base (100), a supporting mechanism in rolling contact with the top of the base (100) is fixedly connected to the top end of an output shaft of the driving motor (102), an installation block (10) is fixedly connected to the top end of the supporting mechanism, the installation block (10) is located in the sealing ring (101), a first groove (6) is formed in the left side of the top of the base (100), an adjustable polishing mechanism is slidably installed on the inner wall of the bottom of the first groove (6), the adjustable polishing mechanism is in movable contact with the left side and the left side of the top of the sealing ring (101), an electric telescopic rod (8) is fixedly connected to the right side of the output shaft and the adjustable polishing mechanism is embedded on the inner wall of the right side of the first groove (6), four rectangular grooves (11) are annularly formed in the outer side of the installation block (10), a thread driving mechanism is installed in the rectangular groove (11), one side, which two opposite thread driving mechanisms are far away from each other side of the corresponding rectangular groove (11), an anti-slip rubber driving mechanism is formed in a side, and an anti-slip rubber block (15) is far away from the corresponding rectangular groove (10), the one end that four screw thread actuating mechanism are close to each other all extends to in mounting groove (15) and the same rotary driving mechanism of fixedly connected with, and rotary driving mechanism's top extends to the top of installation piece (10).

2. The centrifugal pump sealing ring processing device according to claim 1, wherein the supporting mechanism comprises a supporting circular plate (9), the top end of the output shaft of the driving motor (102) is fixedly connected with the bottom of the supporting circular plate (9), the bottom of the supporting circular plate (9) is annularly embedded with a plurality of supporting balls, the supporting balls are in rolling contact with the top of the base (100), the top of the supporting circular plate (9) is fixedly connected with a connecting shaft, and the top end of the connecting shaft is fixedly connected with the bottom of the mounting block (10).

3. The centrifugal pump sealing ring processing device according to claim 1, wherein the adjustable polishing mechanism comprises a moving block (7) slidably mounted on the inner wall of the bottom of the first groove (6), the left end of the output shaft of the electric telescopic rod (8) is fixedly connected with the right side of the moving block (7), the top of the moving block (7) extends to the upper side of the base (100) and is fixedly connected with a mounting plate (1), the right side of the mounting plate (1) is provided with a second groove (2), the inner wall of the top of the second groove (2) and the inner wall of the bottom are rotatably provided with first screw rods (3), one ends of the two first screw rods (3) close to each other are welded, the screw threads of the two first screw rods (3) are opposite in rotation direction, the top ends of the first screw rods (3) above extend to the upper side of the mounting plate (1) and are fixedly connected with knobs, the moving rods (4) slidably mounted on the inner wall of the left side of the first screw rods (3) and the second groove (2), the right ends of the moving rods (4) extend to the right side of the mounting plate (1) and are fixedly connected with polishing blocks (5), and the movable sleeves are respectively contacted with the top of the sealing rings (101) and the top of the sealing rings.

4. The centrifugal pump sealing ring processing device according to claim 1, wherein the thread driving mechanism comprises a rectangular rod (12) slidably mounted in a rectangular groove (11), one end of each of two opposite rectangular rods (12) far away from each other is fixedly connected with one side of each of two opposite extrusion fixing blocks (14) close to each other, a second screw (13) is rotatably mounted on the inner wall of one side of the rectangular groove (11) far away from the opening of the rectangular groove, the rectangular rods (12) are in threaded sleeve connection with the corresponding second screws (13), and one ends of the two opposite second screws (13) close to each other extend into the mounting groove (15).

5. The centrifugal pump sealing ring processing device is characterized in that the rotary driving mechanism comprises four first bevel gears (16) arranged in the mounting groove (15), two opposite first bevel gears (16) are symmetrically arranged, one sides, far away from each other, of the two opposite first bevel gears (16) are fixedly connected with one ends, close to each other, of two opposite second screw rods (13), the tops of the four first bevel gears (16) are meshed with the second bevel gears (17), the tops of the second bevel gears (17) are fixedly connected with T-shaped rotating rods (18), the tops of the T-shaped rotating rods (18) extend to the upper portion of the mounting block (10), and the T-shaped rotating rods (18) are rotatably mounted in the mounting groove (15).

6. The machining device for the sealing ring of the centrifugal pump according to claim 3, wherein a first T-shaped sliding rail is fixedly connected to an inner wall of the bottom of the first groove (6), a first T-shaped sliding groove with openings on both sides is formed in the bottom of the moving block (7), the first T-shaped sliding rail is slidably connected with the first T-shaped sliding groove, a second T-shaped sliding rail is fixedly connected to an inner wall of the left side of the second groove (2), a second T-shaped sliding groove with openings on both the top and the bottom is formed in the left end of the moving rod (4), and the second T-shaped sliding rail is slidably connected with the two second T-shaped sliding grooves.

7. The processing device for the sealing ring of the centrifugal pump according to claim 5, wherein a support rod is fixedly connected between the inner walls of the two sides of the mounting groove (15), a first circular hole is formed in the top of the support rod, a first bearing is fixedly sleeved in the first circular hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the T-shaped rotating rod (18).