1. The utility model provides a system of processing is made to stainless steel valve seal subassembly, includes installation base (1), interior grinding assembly (2) and outer clamp subassembly (3), its characterized in that: install interior subassembly (2) of grinding on installation base (1), the interior subassembly (2) outside of grinding is provided with outer subassembly (3) of pressing from both sides, and outer subassembly (3) of pressing from both sides are installed on installation base (1), wherein:

the inner grinding assembly (2) comprises supporting columns (21), driving motors (22), a loading column (25), an outer grinding sleeve (26) and an inner pushing spring (27), the supporting columns (21) are uniformly installed on the lower end face of the installation base (1) in a welding mode, the driving motors (22) are installed on the lower end face of the installation base (1), the loading column (25) is installed on an output shaft of the driving motors (22), the outer sides of the loading column (25) are uniformly provided with the outer grinding sleeve (26) along the circumferential direction of the loading column, the outer grinding sleeve (26) is installed on the installation base (1) in a sliding connection mode, and the outer grinding sleeve (26) is connected with the installation base (1) through the inner pushing spring (27);

outer clamp subassembly (3) include connecting rod (31), upper cover plate (32), push cylinder (33), outer jacket (34) and support ejector pad (35), connecting rod (31) are evenly installed on installation base (1) up end, install upper cover plate (32) on connecting rod (31), fixed mounting has push cylinder (33) on upper cover plate (32), install outer jacket (34) on pushing cylinder's (33) output shaft, outer jacket (34) are located and grind directly over cover (26), evenly install along its circumferential direction and support ejector pad (35) on outer jacket (34) outer wall, the width from the top down that supports ejector pad (35) reduces gradually.

2. The stainless steel valve seal assembly manufacturing and processing system of claim 1, wherein: the material loading column (25) comprises a rotating inner rod (251), a guide sliding strip (252) and an outer packing sliding sleeve (253), the rotating inner rod (251) is installed on the installation base (1) in a rotating connection mode, the guide sliding strip (252) is evenly installed on the rotating inner rod (251) along the circumferential direction of the rotating inner rod, the outer packing sliding sleeve (253) is arranged on the outer side of the guide sliding strip (252), and the outer packing sliding sleeve (253) is installed on the rotating inner rod (251) in a sliding connection mode.

3. The stainless steel valve seal assembly manufacturing and processing system of claim 2, wherein: a sliding groove A is formed in the guide sliding strip (252), and a connecting through hole B is formed in the uppermost end of the sliding groove A.

4. The stainless steel valve seal assembly manufacturing and processing system of claim 3, wherein: the inner wall of the outer-coated sliding sleeve (253) is uniformly provided with sliding sleeves (2531) along the circumferential direction, the sliding sleeves (2531) are provided with rotating columns (2532) which are matched with the sliding groove A for use in a rotating way, the rotating columns (2532) are symmetrically provided with butt pins (2534) and butt sleeves (2535) through outward pushing springs (2533), docking pin (2534) and docking sleeve (2535) use of mutually supporting, the heavy groove C of annular has evenly been seted up from the top down on outsourcing sliding sleeve (253), the heavy groove C of annular is inboard evenly to be provided with interior abrasive brick (2536) along its circumferential direction, interior abrasive brick (2536) are installed on outsourcing sliding sleeve (253) inner wall through sliding connection's mode, interior abrasive brick (2536) inboard is supported and is leaned on to have and is pushed pole (2537), push pole (2537) are installed on outsourcing sliding sleeve (253) through sliding connection's mode, push pole (2537) and outsourcing sliding sleeve (253) between through reset spring (2538) interconnect.

5. The stainless steel valve seal assembly manufacturing and processing system of claim 4, wherein: the pushing rod (2537) is of a wave-shaped structure, smooth rotating columns (253a) are uniformly arranged on the pushing rod (2537) in a rotating connection mode, and spherical rolling blocks (253b) are arranged at the head of the pushing rod (2537) in a rotating connection mode.

6. The stainless steel valve seal assembly manufacturing and processing system of claim 1, wherein: the inner wall of the outer grinding sleeve (26) is uniformly provided with cleaning scraping blades (261) along the circumferential direction of the inner wall, cleaning brushes (262) are arranged between the cleaning scraping blades (261), and the cleaning brushes (262) are arranged on the outer grinding sleeve (26).

7. The stainless steel valve seal assembly manufacturing and processing system of claim 5, wherein: the outer clamping sleeve is characterized in that an annular sliding groove D matched with a pushing rod (2537) for use is formed in the outer clamping sleeve (34), a clamping groove E matched with a valve sealing ring for use is uniformly formed in the inner wall of the outer clamping sleeve (34), an arc groove F is formed in the outer side of the clamping groove E, a abdicating groove H is uniformly formed in the clamping groove E along the circumferential direction of the clamping groove E, a clamping block (341) is mounted in the abdicating groove H, a material pulling pull plate (342) matched with the arc groove F for use is arranged on the outer side of the clamping block (341), the material pulling plate (342) is mounted on a manual lever (343), the outer clamping sleeve (34) is mounted on the outer clamping sleeve (34) in a sliding connection mode, pushing strips (344) are uniformly mounted on the outer clamping sleeve (34) in a sliding mode, and an aligning push rod (345) is mounted on the outer side of the pushing strips (344).

8. The stainless steel valve seal assembly manufacturing and processing system of claim 7, wherein: the material clamping block (341) comprises a fixed block (3411), material clamping side plates (3412), rubber blocks (3413) and a pullback spring (3414), the fixed block (3411) is fixedly installed on the outer jacket (34), a yielding hole G matched with the extrusion strip (344) for use is formed in the fixed block (3411), the material clamping side plates (3412) are symmetrically installed on the fixed block (3411) in a rotating connection mode, the material clamping side plates (3412) are of hook-shaped structures, the rubber blocks (3413) are arranged on the inner wall of the material clamping side plates (3412), strip-shaped grains are arranged on the surface of each rubber block (3413), and the material clamping side plates (3412) and the fixed block (3411) are connected with each other through the pullback spring (3414).

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, and can be divided into a shut-off valve, a check valve and a regulating valve according to the functions of the valve, wherein the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and has the functions of stopping, adjusting, guiding, preventing reverse flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, wherein the sealing performance of the valve refers to the capability of each sealing part of the valve for preventing medium leakage, and is the most important technical performance index of the valve, so that in order to improve the sealing performance of the valve, sealing rings are added at the connecting part of the valve, the sealing rings are used as a loss product in a large amount in the use of the valve, the required amount of the sealing rings of the valve is more, and burrs often exist on the surface of the existing sealing rings of the valve after the sealing rings are produced, influence product quality, and then need polish the unhairing limit processing to the valve sealing washer before selling, but current valve sealing washer is polishing when handling, still has certain not enough.

The prior valve sealing ring is frequently subjected to polishing treatment and has the following problems: when the conventional valve sealing ring is used for manually cleaning burrs, the cleaning efficiency is low due to the fact that the valve sealing ring is in an annular state and soft in texture and is easy to shake when manually grabbed for polishing, and the workload of staff is increased; b: when burrs are removed from the valve sealing ring by existing manual work, the situation of removal omission often occurs, and the quality of the valve sealing ring is affected.

Disclosure of Invention

The present invention is directed to a system for manufacturing and processing a stainless steel valve seal assembly to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a stainless steel valve seal subassembly manufacturing and processing system, includes installation base, interior mill subassembly and presss from both sides the subassembly outward, installs interior mill subassembly on the installation base, and the interior mill subassembly outside is provided with presss from both sides the subassembly outward, presss from both sides the unit mount outward on the installation base, wherein:

the inner grinding component comprises support columns, a driving motor, a charging column, an outer grinding sleeve and an inner push spring, the support columns are uniformly arranged on the lower end face of the mounting base in a welding mode, the driving motor is arranged on the lower end face of the mounting base, the charging column is arranged on an output shaft of the driving motor, the outer side of the charging column is uniformly provided with the outer grinding sleeve along the circumferential direction of the charging column, the outer grinding sleeve is arranged on the mounting base in a sliding connection mode, the outer grinding sleeve is connected with the mounting base through the inner push spring, when the inner grinding component works, the manual work is with the valve seal cover that will polish and handle on the charging post, and the outer cover that grinds supports because of the spring effect that pushes away in and leans on the valve seal surface on the charging post, and later driving motor work drives the charging post and rotates, and the outer cover that grinds is used to polish to the lateral wall of the valve seal on the charging post to accomplish the operation of polishing of valve seal lateral wall.

The outer clamp component comprises a connecting rod, an upper cover plate, a pushing cylinder, an outer jacket and a pushing block, the connecting rod is uniformly arranged on the upper end surface of the mounting base, the upper cover plate is arranged on the connecting rod, the pushing cylinder is fixedly arranged on the upper cover plate, the outer jacket is arranged on an output shaft of the pushing cylinder and is positioned right above the outer grinding sleeve, the pushing block is uniformly arranged on the outer wall of the outer jacket along the circumferential direction of the outer jacket, the width of the pushing block is gradually reduced from top to bottom, during operation, after the outer side wall of the valve sealing ring is polished, the pushing cylinder drives the outer jacket to move downwards to cover the charging column, the pushing block props the outer grinding sleeve open, the outer jacket covers the charging column, drives the charging column to prop the valve sealing ring outwards into the outer jacket, then the driving motor continues to operate to drive the charging column to rotate, and accordingly polishing treatment of the inner side wall of the valve sealing ring is realized, and then the polishing operation of the valve sealing ring is completed.

As a preferred technical scheme, the charging column comprises a rotating inner rod, a guide sliding strip and an outer packing sliding sleeve, the rotating inner rod is installed on an installation base in a rotating connection mode, the guide sliding strip is evenly installed on the rotating inner rod along the circumferential direction of the rotating inner rod, the outer packing sliding sleeve is arranged on the outer side of the guide sliding strip, and the outer packing sliding sleeve is installed on the rotating inner rod in a sliding connection mode.

As a preferred technical solution of the present invention, the guide slide bar is provided with a sliding groove a, and the uppermost end of the sliding groove a is provided with a connecting through hole B.

As a preferred technical scheme of the invention, the inner wall of the outer-coated sliding sleeve is uniformly provided with sliding sleeves along the circumferential direction, the sliding sleeves are provided with rotating columns which are matched with the sliding grooves A for use in a rotating mode, the rotating columns are symmetrically provided with butt pins and butt sleeves through outward pushing springs, the butt pins and the butt sleeves are matched for use, the outer-coated sliding sleeve is uniformly provided with annular sunken grooves C from top to bottom, the inner sides of the annular sunken grooves C are uniformly provided with inner grinding blocks along the circumferential direction, the inner grinding blocks are arranged on the inner wall of the outer-coated sliding sleeve in a sliding mode, the inner sides of the inner grinding blocks are abutted against pushing rods, the pushing rods are arranged on the outer-coated sliding sleeve in a sliding mode, and the pushing rods and the outer-coated sliding sleeve are connected with each other through reset springs.

As a preferred technical scheme of the invention, the pushing rod is of a wave-shaped structure, smooth rotating columns are uniformly arranged on the pushing rod in a rotating connection mode, and the head of the pushing rod is provided with a spherical rolling block in a rotating connection mode.

As a preferred technical scheme of the invention, the inner wall of the outer grinding sleeve is uniformly provided with cleaning scraping blades along the circumferential direction, cleaning brushes are arranged among the cleaning scraping blades, and the cleaning brushes are arranged on the outer grinding sleeve.

As a preferred technical scheme of the invention, the outer jacket is provided with an annular chute D which is matched with the pushing rod for use, the inner wall of the outer jacket is uniformly provided with a material clamping groove E, the outer side of the material clamping groove E is provided with an arc groove F, the material clamping groove E is uniformly provided with a abdicating groove H along the circumferential direction, the abdicating groove H is provided with a material clamping block, the outer side of the material clamping block is provided with a material pulling pull plate which is matched with the arc groove F for use, the material pulling pull plate is arranged on a manual rod, the manual rod is arranged on the outer jacket in a sliding connection manner, the outer jacket is uniformly provided with the pushing rod in a sliding manner, and the outer side of the pushing rod is provided with a simultaneous movement push rod.

According to a preferred technical scheme, the clamping block comprises a fixed block, clamping side plates, rubber blocks and a pull-back spring, the fixed block is fixedly mounted on the outer jacket, abdicating holes G matched with the pushing strips for use are formed in the fixed block, the clamping side plates are symmetrically mounted on the fixed block in a rotating connection mode, the clamping side plates are of hook-shaped structures, the rubber blocks are arranged on the inner walls of the clamping side plates, strip-shaped lines are arranged on the surfaces of the rubber blocks, and the clamping side plates and the fixed block are connected with each other through the pull-back spring.

Compared with the prior art, the invention has the following advantages:

1. the invention can solve the following problems of the prior valve sealing ring during polishing treatment: when the conventional valve sealing ring is used for manually cleaning burrs, the cleaning efficiency is low due to the fact that the valve sealing ring is in an annular state and soft in texture and is easy to shake when manually grabbed for polishing, and the workload of staff is increased; b: when burrs are removed from the valve sealing ring by existing manual work, the situation of removal omission often occurs, and the quality of the valve sealing ring is affected.

2. According to the valve sealing ring grinding device, the charging column is designed, and the plurality of annular sinking grooves C are uniformly formed in the surface of the outer-coated sliding sleeve on the charging column from top to bottom, so that staff can transfer the plurality of valve sealing rings onto the charging column at one time, and then can grind the plurality of valve sealing rings at one time during subsequent grinding treatment, and further the treatment efficiency is improved.

3. The valve sealing ring grinding device is provided with the internal grinding assembly, when the valve sealing ring transferred on the charging column rotates under the action of the driving motor, the valve sealing ring rotates by self and contacts with the external grinding sleeve to finish grinding operation, after the valve sealing ring rotates for multiple times, the condition of omission of manual cleaning is greatly avoided, the quality of the valve sealing ring is improved, and when the valve sealing ring is clamped by the external jacket, the inner side wall of the valve sealing ring is ground through the self rotation of the charging column, so that the cleaning efficiency is improved, and the condition of burr residue can be reduced.

Drawings

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

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic cross-sectional view taken in the direction A-A of FIG. 2 of the present invention;

FIG. 4 is a schematic structural view of a charging column of the present invention;

FIG. 5 is a schematic view of the structure of the guide slide of the present invention;

FIG. 6 is a cross-sectional schematic view of the outsourcing sliding sleeve of the present invention;

FIG. 7 is a schematic view of the sliding sleeve and guide runner of the present invention in use;

FIG. 8 is a schematic cross-sectional view of an outer jacket of the present invention;

FIG. 9 is a schematic cross-sectional view taken in the direction B-B of FIG. 8 in accordance with the present invention;

FIG. 10 is an enlarged schematic view of region C of FIG. 9 of the present invention;

fig. 11 is a schematic cross-sectional view of a puller plate of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to fig. 11.

The utility model provides a stainless steel valve seal subassembly manufacturing and processing system, includes installation base 1, interior mill subassembly 2 and presss from both sides subassembly 3 outward, installs interior mill subassembly 2 on the installation base 1, and the interior 2 outsides of mill subassembly are provided with and press from both sides subassembly 3 outward, press from both sides subassembly 3 outward and install on installation base 1, wherein:

the inner grinding component 2 comprises support columns 21, a driving motor 22, a charging column 25, an outer grinding sleeve 26 and an inner pushing spring 27, the support columns 21 are uniformly installed on the lower end face of the installation base 1 in a welding mode, the driving motor 22 is installed on the lower end face of the installation base 1, the charging column 25 is installed on an output shaft of the driving motor 22, the outer side of the charging column 25 is uniformly provided with the outer grinding sleeve 26 along the circumferential direction, the outer grinding sleeve 26 is installed on the installation base 1 in a sliding connection mode, the outer grinding sleeve 26 is connected with the installation base 1 through the inner pushing spring 27, in the specific work process, a valve sealing ring needing to be ground is manually sleeved on the charging column 25, the outer grinding sleeve 26 abuts against the surface of the valve sealing ring on the charging column 25 due to the action of the inner pushing spring 27, then the driving motor 22 works to drive the charging column 25 to rotate, the outer grinding sleeve 26 acts on the outer side wall of the valve sealing ring on the charging column 25 to be ground, thereby finishing the grinding operation of the outer side wall of the valve sealing ring.

The material loading column 25 includes the interior pole 251 of rotating, guide draw runner 252 and outsourcing sliding sleeve 253, the mode that the interior pole 251 of rotating is connected through rotating is installed on installation base 1, evenly install guide draw runner 252 along its circumference direction on the interior pole 251 of rotating, the guide draw runner 252 outside is provided with outsourcing sliding sleeve 253, outsourcing sliding sleeve 253 is installed on the pole 251 of rotating through sliding connection's mode, in operation, the manual work upwards takes out outsourcing sliding sleeve 253, outsourcing sliding sleeve 253 moves along guide draw runner 252, make outsourcing sliding sleeve 253 leave the parcel of outer grinding sleeve 26, make things convenient for the manual work to carry out the installation of valve sealing washer, later the manual work is with the valve sealing washer cover that needs to polish the processing on outsourcing sliding sleeve 253, thereby accomplish valve sealing washer installation operation.

The guide slide bar 252 is provided with a slide groove A, and the uppermost end of the slide groove A is provided with a connecting through hole B.

The inner wall of the outer-coating sliding sleeve 253 is uniformly provided with sliding sleeves 2531 along the circumferential direction, the sliding sleeves 2531 are provided with rotating columns 2532 which are matched with the sliding groove A for use in a rotating connection mode, the rotating columns 2532 are symmetrically provided with butt pins 2534 and butt sleeves 2535 through outer push springs 2533, the butt pins 2534 and the butt sleeves 2535 are matched for use, the outer-coating sliding sleeve 253 is uniformly provided with annular sinking grooves C from top to bottom, the inner sides of the annular sinking grooves C are uniformly provided with inner grinding blocks 2536 along the circumferential direction, the inner grinding blocks 2536 are arranged on the inner wall of the outer-coating sliding sleeve 253 in a sliding connection mode, the inner sides of the inner grinding blocks 2536 are abutted against pushing rods 2537, the pushing rods 2537 are arranged on the outer-coating sliding sleeve 253 in a sliding connection mode, the pushing rods 2537 and the outer-coating sliding sleeve 253 are connected with each other through return springs 2538 during work, the outer-coating sliding sleeve 253 is manually pulled upwards to slide, the rotating columns 2532 on the outer-coating sliding sleeves 2531 slide along the sliding groove A, when the sliding sleeve 2531 moves to the connecting through hole B along the sliding groove A, the outward push spring 2533 acts to push the butt pin 2534 to be in butt joint with the butt sleeve 2535, the outer-covering sliding sleeve 253 is stabilized, then the valve sealing ring to be polished is manually sleeved on the annular sinking groove C on the outer side of the outer-covering sliding sleeve 253, the driving motor 22 works to drive the charging column 25 to rotate, and further the valve sealing ring is driven to rotate, the outer side wall of the valve sealing ring is polished under the action of the outer grinding sleeve 26, then when the outer clamping sleeve 34 moves downwards to sleeve the charging column 25, the pushing rod 2537 is extruded to enable the reset spring 2538 to contract, and further the inner grinding block 2536 is pushed outwards, the inner grinding block 2536 extrudes the valve sealing ring outwards, the valve sealing ring enters the outer clamping sleeve 34, wherein the clamping force of the outer clamping sleeve 34 on the valve sealing ring is larger than the resilience force of the valve sealing ring, then the driving motor 22 works to drive the charging column 25 to rotate, and the inner side wall of the valve sealing ring is polished through the action of the inner grinding block 2536.

Push away pole 2537 and be the wave structure, push away and evenly install smooth rotary column 253a through the mode that rotates the connection on the pole 2537, push away the pole 2537 head and install spherical roller 253b through the mode that rotates the connection, in operation, when pushing away on the pole 2537 and extrude inner membrane piece 2536, smooth rotary column 253a effect on pushing away on the pole 2537 can reduce the frictional force when extrudeing, push away the spherical roller 253b on the pole 2537 simultaneously and can reduce the frictional force when dress material post 25 rotates, thereby the smoothness nature when polishing has been improved, and then the polishing effect has been improved.

Evenly install clearance doctor-bar 261 along its circumferential direction on the outer 26 inner walls of grinding the cover, be provided with clearance brush 262 between the clearance doctor-bar 261, clearance brush 262 installs on outer grinding the cover 26, in operation, when the post 25 of feeding rotates because of driving motor 22 effect, the effect of clearance doctor-bar 261 on the outer 26 of grinding the cover, the lateral wall with the valve sealing washer is polished and is handled, the burr that the clearance brush 262 effect will be polished out after polishing handles is swept away, thereby the completion is to the lateral wall operation of polishing of valve sealing washer.

The outer clamp component 3 comprises a connecting rod 31, an upper cover plate 32, a pushing cylinder 33, an outer jacket 34 and a pushing block 35, the connecting rod 31 is uniformly installed on the upper end surface of the installation base 1, the upper cover plate 32 is installed on the connecting rod 31, the pushing cylinder 33 is fixedly installed on the upper cover plate 32, the outer jacket 34 is installed on an output shaft of the pushing cylinder 33, the outer jacket 34 is positioned right above the outer grinding sleeve 26, the pushing block 35 is uniformly installed on the outer wall of the outer jacket 34 along the circumferential direction, the width of the pushing block 35 is gradually reduced from top to bottom, during operation, after the outer side wall of the valve sealing ring is ground, the pushing cylinder 33 works to drive the outer jacket 34 to move downwards to cover the charging column 25, the pushing block 35 simultaneously props the outer grinding sleeve 26, the outer jacket 34 covers the charging column 25, drives the charging column 25 to act, the valve sealing ring is outwards propped up to enter the outer jacket 34, and then the motor 22 is driven to continue to work, the charging column 25 is driven to rotate, so that the inner side wall of the valve sealing ring is polished, and polishing operation of the valve sealing ring is completed.

The outer jacket 34 is provided with an annular chute D which is matched with the pushing rod 2537 for use, the inner wall of the outer jacket 34 is uniformly provided with a material clamping groove E, the outer side of the material clamping groove E is provided with an arc groove F, the material clamping groove E is uniformly provided with a abdication groove H along the circumferential direction thereof, the abdication groove H is provided with a material clamping block 341, the outer side of the material clamping block 341 is provided with a material pulling plate 342 which is matched with the arc groove F for use, the material pulling plate 342 is arranged on a manual rod 343, the manual rod 343 is arranged on the outer jacket 34 in a sliding connection manner, the outer jacket 34 is uniformly provided with pushing strips 344 in a sliding manner, the outer sides of the pushing strips 344 are provided with a snap push rod 345, during operation, the valve sealing ring moves outwards under the pushing action of the inner grinding block 2536 and enters the material clamping block 341, the material clamping block 341 blocks the valve sealing ring, and then the manual pulling manual rod 343 moves along the arc groove F, the drive draws the material arm-tie 342 to move, draws the material arm-tie 342 to draw and draws the valve seal to get into to pressing from both sides the silo E to accomplish valve seal lateral wall centre gripping operation, after later accomplishing the operation of polishing of valve seal, the manual work promotes and starts the motion of push rod 345, thereby drives and pushes away crowded strip 344 and passes the hole G of stepping down towards the inboard motion, promotes valve seal and the separation of outer jacket 34, thereby makes things convenient for the manual work to carry out the operation of collecting of valve seal.

The material clamping block 341 comprises a fixed block 3411, a material clamping side plate 3412, a rubber block 3413 and a pullback spring 3414, the fixed block 3411 is fixedly installed on the outer jacket 34, the fixed block 3411 is provided with a position-shifting hole G which is matched with the pushing strip 344 for use, the material clamping side plate 3412 is symmetrically installed on the fixed block 3411 in a rotating connection mode, the material clamping side plate 3412 is of a hook-shaped structure, the inner wall of the material clamping side plate 3412 is provided with the rubber block 3413, the surface of the rubber block 3413 is provided with strip-shaped grains, the material clamping side plate 3412 and the fixed block 3411 are connected with each other through the pullback spring 3414, when the valve sealing ring enters the material clamping block 341 in operation, the material clamping side plate 3412 is driven to rotate through an extrusion effect, then the material clamping side plate 3412 is driven to return through the action of the pullback spring 3414 to clamp the valve sealing ring, so that the valve sealing ring is clamped, and the rubber block 3413 is provided with the strip-shaped grains 3413, the friction force between the rubber sealing ring and the valve sealing ring can be enhanced, so that the stability of the rubber sealing ring during clamping is improved.

When in work:

s1, manually drawing the outer-coating sliding sleeve 253 upwards, enabling a rotating column 2532 on the sliding sleeve 2531 to slide along the sliding groove A, enabling an outward pushing spring 2533 to act when the sliding sleeve 2531 moves to a connecting through hole B along the sliding groove A, pushing the butt joint pin 2534 and the butt joint sleeve 2535 to be in butt joint, stabilizing the outer-coating sliding sleeve 253, and manually sleeving the valve sealing ring needing polishing on an annular sinking groove C on the outer side of the outer-coating sliding sleeve 253 so as to finish the installation operation of the valve sealing ring;

s2, after the installation operation of the valve sealing ring is completed, the driving motor 22 works to drive the charging column 25 to rotate, so as to drive the valve sealing ring to rotate, and the outer grinding sleeve 26 is matched to perform the grinding operation on the outer side wall of the valve sealing ring;

s3, after finishing the polishing operation of the outer side wall of the valve sealing ring, the pushing cylinder 33 works to drive the outer jacket 34 to move downwards to cover the charging column 25, meanwhile, the pushing block 35 is propped open the outer grinding sleeve 26, the outer clamping sleeve 34 covers the charging column 25, the pushing rod 2537 is extruded, so that the return spring 2538 contracts, the inner grinding block 2536 is ejected outwards, the inner grinding block 2536 extrudes the valve sealing ring outwards, the valve sealing ring enters the material clamping block 341, the valve sealing ring is clamped by the clamping block 341, then the manual striking rod 343 is manually pulled to move along the arc groove F to drive the material pulling plate 342 to move, the material pulling plate 342 pulls the valve sealing ring to enter the clamping groove E, thereby accomplish valve seal lateral wall centre gripping operation, later driving motor 22 work, drive the material loading post 25 and rotate, realize the operation of polishing to valve seal's inside wall through interior abrasive brick 2536 effect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.