CN112497021B

CN112497021B - Burnishing device of mechanical seal processing

Info

Publication number: CN112497021B
Application number: CN202011362548.2A
Authority: CN
Inventors: 郁金元
Original assignee: Xuancheng Jianlong Rubber And Plastic Sealing Member Co ltd
Current assignee: XUANCHENG JIANLONG RUBBER AND PLASTIC SEALING MEMBER CO.,LTD.
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-12-14
Anticipated expiration: 2040-11-28
Also published as: CN112497021A

Abstract

The invention relates to the technical field of mechanical polishing, in particular to a polishing device for machining a mechanical sealing element, which comprises a device main body, a polishing mechanism, an adding mechanism, a limiting mechanism, a filtering mechanism and a collecting mechanism, wherein the polishing mechanism is arranged on the device main body; when the polishing device is used, the adding mechanisms are arranged on two sides of the polishing mechanism, and corresponding polishing powder can be automatically and uniformly added to the mechanical sealing element through the corresponding gear chain transmission assemblies and the assemblies similar to cam transmission during actual polishing, so that the feeding process is more accurate and the use is more convenient; the limiting mechanism is arranged inside the bottom end of the device main body, and a good limiting and clamping effect can be conveniently achieved on the mechanical sealing element with an irregular surface through the corresponding screw rod transmission assembly and the gear toothed plate transmission assembly; locating stop gear's inside with filtering mechanism, through corresponding filter screen subassembly and spring block subassembly to the polishing powder after the convenience is used plays the effect that the sieve was strained and is collected, avoids the waste of partial polishing powder.

Description

Burnishing device of mechanical seal processing

Technical Field

The invention relates to the technical field of mechanical polishing, in particular to a polishing device for machining a mechanical sealing element.

Background

Mechanical polishing refers to removing a very thin layer of metal on the polished surface of a sample by means of grinding and rolling actions of very fine polishing powder. Polishing is often used to enhance the appearance of the product, prevent contamination of the instrument, remove oxidation, create a reflective surface, or prevent corrosion of the tubing. In metallurgy, polishing is used to form a flat, defect-free surface for microscopic examination of the microstructure of metals. Silicon-based polishing pads or diamond solutions may be used during polishing. Polishing stainless steel also increases the cleanliness of stainless steel, which is often required for some mechanical seals.

At present, when a traditional polishing machine polishes a mechanical sealing element, corresponding polishing powder is required to be added manually, so that the working efficiency is low, and the adding amount is difficult to control; meanwhile, in the polishing process, the surfaces of some mechanical sealing elements are not in the same plane, so that the mechanical sealing elements are inconvenient to limit; in addition, most of the conventional polishing powder is discarded as waste after use, and in fact, part of the polishing powder can be reused, thus causing some waste.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a polishing device for machining a mechanical sealing element.

The technical scheme adopted by the invention for solving the technical problems is as follows: a polishing device for machining mechanical sealing elements comprises a device main body, a polishing mechanism, an adding mechanism, a limiting mechanism, a filtering mechanism and a collecting mechanism, the polishing mechanism which is used for conveniently polishing the mechanical sealing element is arranged in the top end of the device main body for fixedly arranging other mechanisms, the adding mechanisms which are convenient for uniformly adding polishing powder in the polishing process are arranged at the two sides of the polishing mechanism in the top end of the device main body, the limiting mechanism which is convenient to clamp and limit the mechanical sealing element is arranged in the bottom end of the device main body, the inside of the limiting mechanism is provided with the filtering mechanism which can conveniently filter and collect the used polishing powder, the bottom of the device main body is provided with a collecting mechanism which is convenient for collecting sewage generated after polishing.

Specifically, polishing mechanism includes support, rolling disc, first screw rod, settles frame, motor and polishing dish, the top middle part of device main part is fixed with the support, the top middle part of support is equipped with the rolling disc, the bottom of rolling disc is connected with first screw rod, first screw rod threaded connection in settle inside the top of frame, settle the frame block in the inside that the device main part is close to the top, the bottom inside of settling the frame is equipped with the motor, the bottom of motor is rotated there is the polishing dish, the polishing dish link up settle the bottom of frame.

Specifically, the adding mechanism comprises a storage tank, a feeding pipe, a first gear, a second gear, a chain, a stirring rod, a rotating rod, a through pipe and a first spring, wherein the two sides of the bottom of the placement frame are respectively fixed with one storage tank, the top of the storage tank is fixed with the feeding pipe, the top end of the feeding pipe penetrates through the top of the device main body, the second gear is fixed on the side wall of the interior of the placement frame of the polishing disc, the two sides of the second gear are respectively provided with one first gear, the chain is wound on the second gear and the two first gears, the stirring rod is fixed in the middle of the first gear, the stirring rod extends into the interior of the storage tank, the through pipe is clamped on the bottom end inner walls of the two opposite sides of the storage tank respectively, the bottom of one side of the through pipe is connected with the first spring, the other end of the first spring is fixed on the inner wall of the storage box, and the stirring rod is fixed on the side wall of the bottom end of the storage box.

Specifically, stop gear is including the setter plate, settle piece, knob, second screw rod, gear pole, pinion rack and gag lever post, be fixed with on the bottom inner wall of device main part the setter plate, the both sides that device main part inner wall is close to the bottom are fixed with one respectively settle the piece, just the device main part is close to the both sides that the bottom was carried on the back mutually and is equipped with one respectively the knob, the one end of knob is connected with the second screw rod, second screw rod threaded connection in the inside of gear pole, the gear pole block in settle the inside of piece, just the gear pole deviates from settle the one end block of piece in two between the pinion rack, two the pinion rack all block in settle the inside of piece, just the one end of pinion rack is connected with the gag lever post, the gag lever post link up in the setter plate.

Specifically, the filtering mechanism comprises a spray pipe, a filter screen, a second spring and a fixture block, the spray pipe is clamped on two sides of the device body close to the middle portion in a back-to-back mode, the filter screen is arranged inside the placing plate, the second spring is arranged inside the two sides of the filter screen in the back-to-back mode, the other end of the second spring is connected with the fixture block, and the fixture block is clamped inside the placing plate.

Specifically, collect the mechanism and include the underframe, collect box, gyro wheel and grab handle, the bottom mounting of device main part in the underframe, the inside of underframe is equipped with collect the box, the both sides of collecting the bottom of the case portion are equipped with one respectively the gyro wheel, the gyro wheel slide in the inside of underframe, just collect the box orientation the middle part of the outside one side of device main part is fixed with the grab handle.

The invention has the beneficial effects that:

(1) when the polishing device for machining the mechanical sealing element is used, the adding mechanisms are arranged on two sides of the polishing mechanism, and corresponding polishing powder can be automatically and uniformly added to the mechanical sealing element conveniently during actual polishing through the corresponding gear chain transmission assemblies and the assemblies similar to cam transmission, so that the working efficiency is improved, the feeding process is more accurate, and the use is more convenient; namely: in the polishing disk pivoted, the polishing disk rotates and still can drive second gear revolve, the second gear passes through the chain and drives two first gear revolve, and then drive the puddler and rotate, play the effect of stirring to the polishing powder of storage tank inside storage, make things convenient for the interpolation of polishing powder, it is further, the puddler rotates and still can drive the bull stick and rotate, along with the rotation of bull stick, can be continuous to the tip of siphunculus extrude the conflict, then first spring pressurized shrink, when the logical groove of storage tank bottom is just aimed at to the through-hole in the siphunculus, the inside polishing powder of storage tank will spill to mechanical seal spare on through the siphunculus, constantly repeat above-mentioned operation, can make things convenient for adding corresponding polishing powder on the mechanical seal spare of court that can be automatic even when actually polishing, work efficiency is improved, make reinforced process more accurate simultaneously, make use more convenient.

(2) When the polishing device for machining the mechanical sealing element is used, the limiting mechanism is arranged inside the bottom end of the device main body, and the corresponding screw rod transmission assembly and the gear toothed plate transmission assembly are used, so that the mechanical sealing element with an irregular surface can be conveniently limited and clamped, and the polishing device is more convenient to use; namely: the user can settle the mechanical seal spare that needs the polishing on the settling plate in advance, can manually rotate the knob after that, the knob rotates and drives the second screw rod and rotate, the second screw rod rotates and makes the gear pole can be in the continuous removal of settling the inside of block, along with the removal of gear pole, can carry out corresponding drive to two pinion racks, and then drive the gag lever post and remove, thereby make the gag lever post extrude conflict to mechanical seal spare, and is further, when mechanical seal spare's surface is too regular, conflict to mechanical seal spare after one of them gag lever post, the gear of gear pole tip will produce and rotate, make another pinion rack drive another gag lever post and remove, until continuing to contradict in continuing the sealing member, thereby can conveniently also play good spacing clamping effect to surface anomalous mechanical seal spare, make and use more convenient.

(3) When the polishing device for machining the mechanical sealing element is used, the filtering mechanism is arranged inside the limiting mechanism, and the filtering mechanism and the spring clamping block assembly are correspondingly arranged, so that the polishing powder after being used can be conveniently screened, filtered and collected, and the waste of part of the polishing powder can be avoided; namely: in actual polishing process, some coolant liquids of blowout that the piping can be continuous, in the cooling to mechanical seal, also can wash some polishing powder, when through the filter screen, will filter the waste liquid that trickles down, thereby the convenience plays the effect that the sieve was strained and is collected to the polishing powder after the use, and is further, after the use, the user can manually carry out the pull to the filter screen, it is spacing to make the fixture block break away from under the effect of second spring, the convenience is taken out the filter screen, thereby further the convenience is strained the collection to the polishing powder after the use, make and use more convenient.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram illustrating the overall structure of a preferred embodiment of a polishing apparatus for mechanical seal machining according to the present invention;

FIG. 2 is a schematic view of the connection structure of the device body, the polishing mechanism, the adding mechanism, the limiting mechanism and the collecting mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the structure A shown in FIG. 2;

FIG. 4 is an enlarged view of the structure B shown in FIG. 2;

FIG. 5 is an enlarged view of the structure C shown in FIG. 2;

fig. 6 is an enlarged schematic view of the structure D shown in fig. 2.

In the figure: 1. the device comprises a device main body, 2, a polishing mechanism, 21, a support, 22, a rotating disc, 23, a first screw rod, 24, a mounting frame, 25, a motor, 26, a polishing disc, 3, an adding mechanism, 31, a storage tank, 32, a feeding pipe, 33, a first gear, 34, a second gear, 35, a chain, 36, a stirring rod, 37, a rotating rod, 38, a through pipe, 39, a first spring, 4, a limiting mechanism, 41, a mounting plate, 42, a mounting block, 43, a knob, 44, a second screw rod, 45, a gear rod, 46, a toothed plate, 47, a limiting rod, 5, a filtering mechanism, 51, a spray pipe, 52, a filter screen, 53, a second spring, 54, a clamping block, 6, a collecting mechanism, 61, a bottom frame, 62, a collecting box, 63, a roller, 64 and a grab handle.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the polishing device for machining a mechanical sealing element according to the present invention includes a device body 1, a polishing mechanism 2, an adding mechanism 3, a limiting mechanism 4, a filtering mechanism 5 and a collecting mechanism 6, wherein the polishing mechanism 2 for conveniently polishing the mechanical sealing element is disposed inside the top end of the device body 1 for fixing and placing other mechanisms, the adding mechanism 3 for conveniently and uniformly adding polishing powder during polishing is disposed inside the top end of the device body 1 at two sides of the polishing mechanism 2, the limiting mechanism 4 for conveniently clamping and limiting the mechanical sealing element is disposed inside the bottom end of the device body 1, the filtering mechanism 5 for conveniently filtering and collecting used polishing powder is disposed inside the limiting mechanism 4, and the collecting mechanism for conveniently collecting sewage generated after polishing is disposed at the bottom of the device body 1 6.

Specifically, the polishing mechanism 2 includes a bracket 21, a rotating disc 22, a first screw 23, a mounting frame 24, a motor 25 and a polishing disc 26, the bracket 21 is fixed to the middle of the top end of the device main body 1, the rotating disc 22 is arranged in the middle of the top end of the bracket 21, the first screw 23 is connected to the bottom end of the rotating disc 22, the first screw 23 is in threaded connection with the inside of the top end of the mounting frame 24, the mounting frame 24 is clamped in the inside of the device main body 1 close to the top end, the motor 25 is arranged inside the bottom end of the mounting frame 24, the polishing disc 26 is rotated at the bottom end of the motor 25, and the polishing disc 26 penetrates through the bottom of the mounting frame 24; when the polishing device is used, a part to be polished can be firstly arranged at a proper position in the device main body 1, then the rotating disc 22 is rotated, the rotating disc 22 rotates to drive the first screw 23 to rotate, the first screw 23 rotates to enable the arranging frame 24 to continuously move back and forth in the device main body 1, so that the motor 25 and the polishing disc 26 are driven to move, after the polishing disc 26 moves to a proper position, a user can switch on the motor 25, and then the motor 25 rotates to drive the polishing disc 26 to rotate, so that corresponding polishing operation can be carried out on a mechanical sealing element arranged in advance.

Specifically, the adding mechanism 3 includes a storage tank 31, a feeding pipe 32, a first gear 33, a second gear 34, a chain 35, a stirring rod 36, a rotating rod 37, a through pipe 38 and a first spring 39, two sides of the bottom of the mounting frame 24 are respectively fixed with one of the storage tank 31, the top of the storage tank 31 is fixed with the feeding pipe 32, the top end of the feeding pipe 32 penetrates through the top of the device main body 1, the polishing disc 26 is fixed with the second gear 34 on the side wall inside the mounting frame 24, two sides of the second gear 34 are respectively provided with one of the first gear 33, the chain 35 is wound around the second gear 34 and two of the first gears 33, the middle of the first gear 33 is fixed with the stirring rod 36, the stirring rod 36 extends into the storage tank 31, two bottom end inner walls of two opposite sides of the storage tank 31 are respectively clamped with one of the through pipe 38, the bottom of one side of the through pipe 38 is connected with the first spring 39, the other end of the first spring 39 is fixed on the inner wall of the storage tank 31, and the rotating rod 37 is fixed on the side wall of the stirring rod 36 at the bottom end of the storage tank 31; when the polishing device is used, the adding mechanisms 3 are arranged on two sides of the polishing mechanism 2, and corresponding polishing powder can be automatically and uniformly added onto a mechanical sealing element conveniently during actual polishing through corresponding gear chain transmission components and components similar to cam transmission, so that the working efficiency is improved, and meanwhile, the feeding process is more accurate, so that the use is more convenient; namely: when the polishing disc 26 rotates, the rotation of the polishing disc 26 also drives the second gear 34 to rotate, the second gear 34 drives the two first gears 33 to rotate through the chain 35, so as to drive the stirring rod 36 to rotate, so as to uniformly stir the polishing powder stored in the storage tank 31, thereby facilitating the addition of the polishing powder, further, the rotation of the stirring rod 36 also drives the rotating rod 37 to rotate, the rotating rod 37 rotates to continuously extrude and abut against the end of the through pipe 38, so that the first spring 39 is compressed and contracted, when the through hole in the through pipe 38 is just aligned with the through groove at the bottom end of the storage tank 31, the polishing powder in the storage tank 31 can be sprinkled onto the mechanical seal member through the through pipe 38, the above operations are repeated continuously, so that the through pipe can be conveniently and automatically and uniformly added with the corresponding polishing powder on the mechanical seal member during actual polishing, the work efficiency is improved, and the feeding process is more accurate, so that the use is more convenient.

Specifically, the limiting mechanism 4 includes a placement plate 41, a placement block 42, a knob 43, a second screw 44, a gear rod 45, a toothed plate 46 and a limiting rod 47, the placement plate 41 is fixed on the inner wall of the bottom end of the device body 1, one placement block 42 is fixed on each of two sides of the inner wall of the device body 1 close to the bottom end, one knob 43 is arranged on each of two sides of the device body 1 close to the bottom end, the second screw 44 is connected to one end of the knob 43, the second screw 44 is connected to the inside of the gear rod 45 in a threaded manner, the gear rod 45 is clamped inside the placement block 42, one end of the gear rod 45 departing from the placement block 42 is clamped between the two toothed plates 46, the two toothed plates 46 are clamped inside the placement block 42, and one end of the toothed plate 46 is connected to the limiting rod 47, the limiting rod 47 penetrates through the placing plate 41; when the device is used, the limiting mechanism 4 is arranged inside the bottom end of the device main body 1, and a good limiting clamping effect can be conveniently achieved on a mechanical sealing element with an irregular surface through the corresponding screw rod transmission assembly and the gear toothed plate transmission assembly, so that the device is more convenient to use; namely: a user can previously place a mechanical sealing element to be polished on the placement plate 41, and then can manually rotate the knob 43, the knob 43 rotates to drive the second screw rod 44 to rotate, the second screw rod 44 rotates to enable the gear rod 45 to continuously move inside the placement block 42, along with the movement of the gear rod 45, the two toothed plates 46 can be correspondingly driven to further drive the limiting rod 47 to move, so that the limiting rod 47 extrudes and collides the mechanical sealing element, further, when the surface of the mechanical sealing element is not regular, after one of the limiting rods 47 collides the mechanical sealing element, the gear at the end of the gear rod 45 rotates to enable the other toothed plate 46 to drive the other limiting rod 47 to move until continuing to continue to seal the mechanical sealing element, therefore, the mechanical sealing element with irregular surface can be conveniently clamped and fixed in a good limiting way, and the use is more convenient.

Specifically, the filtering mechanism 5 includes a nozzle 51, a filter screen 52, a second spring 53 and a fixture block 54, the nozzle 51 is respectively clamped at two opposite sides of the device body 1 near the middle part, the filter screen 52 is arranged inside the placing plate 41, the second spring 53 is respectively arranged inside the two opposite sides of the filter screen 52, the fixture block 54 is connected to the other end of the second spring 53, and the fixture block 54 is clamped inside the placing plate 41; when the polishing powder filtering device is used, the filtering mechanism 5 is arranged inside the limiting mechanism 4, and the filtering mechanism conveniently plays a role in filtering and collecting used polishing powder through the corresponding filtering net component and the corresponding spring clamping block component, so that the waste of part of the polishing powder can be avoided; namely: in the actual polishing process, some coolant liquid can be continuously sprayed out from the piping 51, some polishing powder can be washed away while the mechanical sealing element is cooled, the flowing waste liquid can be filtered during the process of the filter screen 52, so that the polishing powder after being used can be conveniently screened and collected, furthermore, after being used, a user can manually pull the filter screen 52 to enable the fixture block 54 to be separated from the position limitation under the action of the second spring 53, the filter screen 52 can be conveniently taken out, and the polishing powder after being used can be further conveniently screened and collected, so that the polishing powder after being used is more convenient to use.

Specifically, the collecting mechanism 6 includes a bottom frame 61, a collecting box 62, rollers 63 and a handle 64, the bottom end of the device body 1 is fixed to the bottom frame 61, the collecting box 62 is disposed inside the bottom frame 61, one roller 63 is disposed on each of two sides of the bottom of the collecting box 62, the rollers 63 slide inside the bottom frame 61, and the handle 64 is fixed to the middle of one side of the collecting box 62 facing the outside of the device body 1; after the used waste liquid is filtered by the filter screen 52, the waste liquid flows into the collecting box 62 in the bottom frame 61, and after the operation is completed, a user can manually hold the holding handle 64 to conveniently draw out the collecting box 62 through the roller 63, so that the waste liquid is correspondingly treated.

When the mechanical sealing piece is used, firstly, a mechanical sealing piece to be polished can be arranged on the arrangement plate 41 in advance, then the knob 43 can be rotated manually, the knob 43 rotates to drive the second screw 44 to rotate, the second screw 44 rotates to enable the gear rod 45 to continuously move in the arrangement block 42, the two toothed plates 46 can be correspondingly driven along with the movement of the gear rod 45, and further the limiting rod 47 is driven to move, so that the limiting rod 47 extrudes and collides the mechanical sealing piece, further, when the surface of the mechanical sealing piece is not regular, after one limiting rod 47 collides the mechanical sealing piece, the gear at the end part of the gear rod 45 rotates, and the other toothed plate 46 drives the other limiting rod 47 to move until continuously colliding the continuous sealing piece, so that the mechanical sealing piece with an irregular surface can be conveniently well limited and clamped, the use is more convenient; then, the rotating disc 22 is rotated, the rotating disc 22 rotates to drive the first screw 23 to rotate, the first screw 23 rotates to enable the mounting frame 24 to continuously move back and forth in the device main body 1, and further the motor 25 and the polishing disc 26 are driven to move, when the polishing disc 26 moves to a proper position, a user can switch on the motor 25, the motor 25 rotates to drive the polishing disc 26 to rotate, and then corresponding polishing operation can be carried out on a mechanical sealing element which is mounted in advance; when the polishing disc 26 rotates, the polishing disc 26 rotates to drive the second gear 34 to rotate, the second gear 34 drives the two first gears 33 to rotate through the chain 35, and then drives the stirring rod 36 to rotate, so as to play a role of uniformly stirring the polishing powder stored in the storage tank 31, thereby facilitating the addition of the polishing powder, further, the stirring rod 36 rotates to drive the rotating rod 37 to rotate, along with the rotation of the rotating rod 37, the end part of the through pipe 38 can be continuously extruded and abutted, the first spring 39 is compressed and contracted, when the through hole in the through pipe 38 is just aligned with the through groove at the bottom end of the storage tank 31, the polishing powder in the storage tank 31 can fall onto the mechanical sealing part through the through pipe 38, the operation is continuously repeated, so that the corresponding polishing powder can be automatically and uniformly added onto the mechanical sealing part during actual polishing, the working efficiency is improved, and the charging process is more accurate, the use is more convenient; meanwhile, in the actual polishing process, the piping 51 can continuously spray some cooling liquid, some polishing powder can be washed away while the mechanical sealing element is cooled, and the flowing waste liquid can be filtered when the waste liquid passes through the filter screen 52, so that the used polishing powder can be conveniently screened and collected, further, after the polishing powder is used, a user can manually pull and pull the filter screen 52, the fixture block 54 is separated from the limit position under the action of the second spring 53, the filter screen 52 is conveniently taken out, the used polishing powder can be further conveniently screened and collected, and the polishing powder is more convenient to use; after the used waste liquid is filtered by the filter screen 52, the waste liquid flows into the collecting box 62 in the bottom frame 61, and after the operation is completed, a user can manually hold the holding handle 64 to conveniently draw out the collecting box 62 through the roller 63, so that the waste liquid is correspondingly treated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A polishing device for machining mechanical sealing elements is characterized by comprising a device main body (1), a polishing mechanism (2), an adding mechanism (3), a limiting mechanism (4), a filtering mechanism (5) and a collecting mechanism (6), wherein the polishing mechanism (2) which is used for conveniently polishing the mechanical sealing elements is arranged in the top end of the device main body (1) which plays a role in fixing and arranging other mechanisms, the adding mechanism (3) which is used for conveniently and uniformly adding polishing powder in the polishing process is arranged at two sides of the polishing mechanism (2) in the top end of the device main body (1), the limiting mechanism (4) which is used for conveniently clamping and limiting the mechanical sealing elements is arranged in the bottom end of the device main body (1), the filtering mechanism (5) which is used for conveniently filtering and collecting the used polishing powder is arranged in the limiting mechanism (4), the bottom of the device main body (1) is provided with the collecting mechanism (6) which is convenient for collecting sewage generated after polishing work;

the polishing mechanism (2) comprises a support (21), a rotating disc (22), a first screw (23), a placing frame (24), a motor (25) and a polishing disc (26), the support (21) is fixed in the middle of the top end of the device main body (1), the rotating disc (22) is arranged in the middle of the top end of the support (21), the first screw (23) is connected to the bottom end of the rotating disc (22), the first screw (23) is in threaded connection with the inside of the top end of the placing frame (24), the placing frame (24) is clamped inside the device main body (1) close to the top end, the motor (25) is arranged inside the bottom end of the placing frame (24), the polishing disc (26) is rotated at the bottom end of the motor (25), and the polishing disc (26) penetrates through the bottom of the placing frame (24);

the adding mechanism (3) comprises a storage tank (31), a feeding pipe (32), a first gear (33), a second gear (34), a chain (35), a stirring rod (36), a rotating rod (37), a through pipe (38) and a first spring (39), wherein the two sides of the bottom of the placing frame (24) are respectively fixed with one of the storage tank (31), the top of the storage tank (31) is fixed with the feeding pipe (32), the top end of the feeding pipe (32) penetrates through the top of the device main body (1), the polishing disk (26) is fixed with the second gear (34) on the side wall inside the placing frame (24), the two sides of the second gear (34) are respectively provided with one of the first gear (33), the chain (35) is wound on the second gear (34) and the two first gears (33), the middle part of the first gear (33) is fixed with the stirring rod (36), the stirring rod (36) extends to the inside of the storage tanks (31), the through pipes (38) are respectively clamped on the inner walls of the bottom ends of the two opposite sides of the two storage tanks (31), the bottom of one side of each through pipe (38) is connected with the first spring (39), the other end of each first spring (39) is fixed on the inner wall of each storage tank (31), and the rotating rod (37) is fixed on the side wall of the stirring rod (36) located at the bottom end of each storage tank (31);

the limiting mechanism (4) comprises a placing plate (41), and the placing plate (41) is fixed on the inner wall of the bottom end of the device main body (1);

filtering mechanism (5) include spray tube (51), filter screen (52), second spring (53) and fixture block (54), device main part (1) is close to middle part both sides that carry on the back mutually and is blocked respectively one spray tube (51), the inside of resettlement plate (41) is equipped with filter screen (52), the inside of filter screen (52) both sides that carry on the back mutually is equipped with one respectively second spring (53), the other end of second spring (53) is connected with fixture block (54), fixture block (54) block in the inside of resettlement plate (41).

2. The polishing device for machining a mechanical seal according to claim 1, wherein: the limiting mechanism (4) further comprises a placement block (42), a knob (43), a second screw (44), a gear rod (45), toothed plates (46) and a limiting rod (47), wherein one placement block (42) is fixed on each of two sides of the inner wall of the device body (1) close to the bottom end, one knob (43) is arranged on each of two sides of the device body (1) close to the bottom end in a back-to-back manner, one end of the knob (43) is connected with the second screw (44), the second screw (44) is in threaded connection with the inside of the gear rod (45), the gear rod (45) is clamped in the inside of the placement block (42), one end of the gear rod (45) departing from the placement block (42) is clamped between the two toothed plates (46), the two toothed plates (46) are clamped in the inside of the placement block (42), and one end of the toothed plate (46) is connected with the limiting rod (47), the limiting rod (47) penetrates through the arrangement plate (41).

3. The polishing device for machining a mechanical seal according to claim 1, wherein: collect mechanism (6) and include underframe (61), collect box (62), gyro wheel (63) and grab handle (64), the bottom mounting of device main part (1) is in underframe (61), the inside of underframe (61) is equipped with collect box (62), the both sides of collecting box (62) bottom are equipped with one respectively gyro wheel (63), gyro wheel (63) slide in the inside of underframe (61), just collect box (62) orientation the middle part of device main part (1) outside one side is fixed with grab handle (64).