CN217702836U - Valve inner chamber grinding device - Google Patents

Abstract

The utility model discloses a valve inner cavity polishing device, which comprises a shell, a rotating mechanism, a clamping seat, a clamping mechanism, a lifting mechanism, a polishing component and an air gun; the shell is of a vertically arranged hollow cylindrical structure, and a rotating disc is coaxially arranged on the inner bottom surface of the shell and is rotationally connected with the shell through a rotating mechanism; clamping seats are symmetrically arranged on the left and right sides of the upper surface of the rotating disc at intervals, and clamping mechanisms are arranged on two sides of each clamping seat to clamp and fix the valve body placed in the clamping seats; a sliding plate is coaxially arranged at the upper position inside the shell and vertically moves up and down through a lifting mechanism; the lower surface of the sliding plate is provided with an air gun coaxially relative to the left clamping seat, and the lower surface of the sliding plate is provided with a polishing assembly coaxially relative to the right clamping seat, and the valve body is polished through the polishing assembly. The utility model discloses the integration of being convenient for carry out jet-propelled clearance-polishing-jet-propelled clearance once more to the valve body flow of polishing has improved the efficiency of polishing.

Description

Valve inner chamber grinding device

Technical Field

The utility model relates to a valve processing technology field, concretely relates to valve inner chamber grinding device.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like, the inner wall of the existing valve needs to be polished in the production process, the flatness of the inner wall of the valve is good, the flatness of the inner wall of the valve not only affects the connection performance of the valve and a pipeline support, but also affects the fluidity of the fluid in the valve, and therefore various kinds of valve inner wall polishing equipment are derived.

The conventional valve inner wall polishing equipment cannot well fix a valve when polishing the valve, so that the valve is easy to shake during polishing, and the stability during polishing is low; in addition, the scraps generated in the grinding process can not be processed in a centralized way, so that the difficulty in the cleaning process is increased. Therefore, the above problems need to be solved.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a valve inner chamber grinding device, through setting up rotary mechanism, be convenient for carry out jet-propelled clearance-polish-jet-propelled clearance once more's integration flow of polishing to the valve body, improved efficiency of polishing and the effect of polishing.

In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a valve inner chamber grinding device, its innovation point lies in: the device comprises a shell, a rotating mechanism, a clamping seat, a clamping mechanism, a lifting mechanism, a polishing assembly and an air gun; the shell is of a vertically arranged hollow cylindrical structure, round rotating discs are horizontally and coaxially arranged on the inner bottom surface of the shell at intervals, and the rotating discs are horizontally and rotatably connected with the inner bottom surface of the shell through a rotating mechanism; two clamping seats matched with the valve body are symmetrically screwed on the upper surface of the rotating disc at intervals along the radial direction of the rotating disc, clamping mechanisms are symmetrically arranged on two sides of each clamping seat respectively, and the valve body placed in the corresponding clamping seat is clamped and fixed through the clamping mechanisms; a sliding plate matched with the shell is horizontally arranged at the upper position inside the shell in the same axial center, and the sliding plate vertically moves up and down in the shell through a lifting mechanism; the lower surface of the sliding plate is coaxially provided with an air gun relative to the left clamping seat, and the valve body is cleaned in an air spraying mode through the air gun; the lower surface of the sliding plate is provided with a polishing assembly coaxially relative to the right clamping seat, and the valve body is polished through the polishing assembly.

Preferably, a plurality of threaded holes are embedded in the positions, corresponding to each clamping seat, of the upper surface of the rotating disc at intervals in a matrix manner, and each threaded hole does not vertically penetrate through the lower surface of the rotating disc; the fixed end of each clamping seat is in threaded connection and fixation with the corresponding threaded hole in the rotating disc respectively, and therefore different clamping seats can be selected according to valve bodies of different specifications.

Preferably, each clamping mechanism comprises a bracket, a second electric push rod, an arc-shaped plate and a rubber pad; second electric push rods are respectively and symmetrically arranged on two sides of each clamping seat in a horizontal mode, and each second electric push rod is arranged above the corresponding clamping seat at intervals; the four second electric push rods are horizontally arranged in a collinear manner, fixed ends of the four second electric push rods are fixed at corresponding positions on the upper surface of the rotating disc through corresponding supports respectively, and the installation of the clamping seats with different specifications is not influenced; the telescopic end of each second electric push rod is horizontally arranged towards the direction of the corresponding clamping seat and is screwed and fixed with the middle position of the back face of the horizontally arranged corresponding arc-shaped plate, each arc-shaped plate is matched with the valve body, the concave face of each arc-shaped plate is horizontally arranged towards the direction of the corresponding clamping seat, and a rubber pad is attached to the concave face of each arc-shaped plate; the valve body is placed in the corresponding clamping seat, and under the driving of the second electric push rod, the corresponding arc-shaped plate clamps and fixes the valve body.

Preferably, the lifting mechanism comprises a first electric push rod, a slide rail, a limiting plate, a slide block and a spring; a first electric push rod is also vertically arranged in the middle of the upper surface of the shell, and a telescopic end of the first electric push rod vertically extends downwards into the shell and is fixedly connected with the middle of the upper surface of the sliding plate in a threaded manner; the inner circumferential surface of the shell is uniformly and uniformly provided with vertical slide rails along the circumferential direction, and each slide rail is vertically arranged; limiting plates are horizontally arranged at the upper end and the lower end of each sliding rail respectively, and each limiting plate is vertically and fixedly connected with the corresponding position of the inner circumferential surface of the shell and limits the vertical movement of the sliding plate up and down; the outer circumferential surface of the sliding plate is provided with sliding blocks at positions corresponding to the sliding rails respectively, each sliding block is matched with the corresponding sliding rail, and the sliding plate vertically moves up and down in the shell through the matching of the sliding blocks and the sliding rails under the driving of the first electric push rod; springs are respectively and vertically fixedly arranged on the inner top surface of the shell relative to the left side and the right side of the first electric push rod, and the springs are used for buffering and limiting the vertical upward movement of the sliding plate.

Preferably, the air injection hose is further included; the upper end of the vertically arranged air injection gun is communicated with the lower end of the air injection hose in a sealing manner, and the upper end of the air injection hose sequentially extends upwards to form a sliding plate and the upper surface of the shell and is connected with an external air source; the air injection hose does not influence the vertical up-and-down motion of the sliding plate, the air injection end of the air injection gun is vertically arranged downwards, and air injection cleaning is carried out towards the valve body placed in the corresponding clamping seat.

Preferably, the polishing component can replace the polishing end of the valve body according to different specifications, the fixed end of the polishing component is fixed to the lower surface of the sliding plate in a threaded manner at the corresponding position, the polishing end of the polishing component is vertically arranged downwards, the polishing end of the polishing component is arranged coaxially with the valve body placed in the clamping seat, and then the valve body is polished.

Preferably, when the telescopic end of the first electric push rod is at the upper limit position, the grinding assembly and the air gun are ensured to be separated from the corresponding valve body; the stroke of first electric putter needs to ensure that the subassembly of polishing does not exert an influence to the polishing of valve body.

Preferably, the diameter of the rotating disc is smaller than the inner diameter of the shell, a circular groove is vertically embedded in the shell relative to the center of the rotating disc, the circular groove and the rotating disc are coaxially arranged, the diameter of the circular groove is smaller than that of the rotating disc, and the circular groove does not penetrate through the lower surface of the shell.

Preferably, the rotating mechanism comprises a gear shaft, a main bevel gear, a secondary bevel gear, a motor and a roller; a gear shaft is also vertically arranged in the circular groove coaxially, and the diameter of the gear shaft is smaller than that of the circular groove; the lower end of the gear shaft is rotationally connected with the bottom surface of the circular groove of the shell, and the upper end of the gear shaft vertically extends upwards out of the circular groove and is coaxially and fixedly connected with the middle position of the lower surface of the rotating disc; a driven bevel gear is fixedly sleeved on the gear shaft coaxially, and the driven bevel gear is horizontally arranged in the circular groove and does not interfere with the shell; a motor is horizontally arranged on one side of the slave bevel gear at intervals, the fixed end of the motor is in threaded connection with the corresponding side wall of the circular groove of the shell, the output end of the motor is horizontally arranged towards the direction of the slave bevel gear, and the motor is meshed and connected with the slave bevel gear through a main bevel gear to drive a gear shaft to rotate so as to drive a rotating disc to horizontally rotate; the inner bottom surface of the shell is also connected with a plurality of circles of idler wheels which are abutted against the lower surface of the rotating disc, and the plurality of circles of idler wheels and the rotating disc are coaxially arranged and are respectively arranged without interfering with the gear shaft; each gyro wheel is the toper, and its one end that is close to the gear shaft is the tip, and the other end is the main aspects to the linear velocity that is close to the gear shaft is littleer when adaptation rotates in the rolling disc.

Preferably, a circular-ring-shaped slag guide plate is coaxially arranged on the inner bottom surface of the shell, the outer diameter of the slag guide plate is matched with the inner diameter of the shell, and the inner diameter of the slag guide plate is smaller than the diameter of the rotating disc; the upper surface of the slag guide plate is an inclined plane which is inclined downwards towards the direction of the inner circumferential surface of the shell, is arranged below the rotating disc at intervals, and does not interfere with the horizontal rotation of the rotating disc; the inner circumferential surface of the shell is provided with a plurality of slag discharging ports uniformly distributed at intervals along the circumferential direction relative to the outer end of the slag guide plate, the height of each slag discharging port is larger than that of the outer end of the slag guide plate, the slag discharging ports respectively extend out of the outer circumferential surface of the shell along the radial direction of the shell, and then scraps on the slag guide plate are discharged through an external dust collector.

The utility model has the advantages that:

(1) The utility model has the advantages that the rotating mechanism is arranged, so that the integrated polishing process of air injection cleaning, polishing and air injection cleaning again can be conveniently carried out on the valve body, and the polishing efficiency and the polishing effect are improved;

(2) The utility model improves the stability of the valve body during polishing through the matching of the clamping seat and the abutting mechanism, thereby improving the polishing efficiency;

(3) The utility model discloses a slag guide plate is led to the ring form on inclined plane in the setting, is convenient for collect the piece to slag notch department to be convenient for discharge through the dust catcher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the structure schematic diagram of the utility model relates to a valve inner chamber grinding device.

Wherein, 1-shell; 2-a first electric push rod; 3-a sliding plate; 4-a slide rail; 5-limiting plate; 6-a spring; 7-a gas gun; 8-an air-jet hose; 9-grinding the component; 10-a slag discharge port; 11-a rotating disc; 12-a card holder; 13-a valve body; 14-a scaffold; 15-a second electric push rod; 16-an arc-shaped plate; 17-a circular groove; 18-a motor; 19-gear shaft; 20-a main bevel gear; 21-slave bevel gear; 22-a roller; 23-slag guide plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description.

The utility model discloses a valve inner cavity polishing device, which comprises a shell 1, a rotating mechanism, a clamping seat 12, a clamping mechanism, a lifting mechanism, a polishing component 9 and an air gun 7; the specific structure is as shown in fig. 1, the shell 1 is a vertically arranged hollow cylinder structure, and the inner bottom surface of the shell is horizontally and coaxially provided with circular rotating discs 11 at intervals, and the rotating discs 11 are horizontally and rotatably connected with the inner bottom surface of the shell 1 through a rotating mechanism; the diameter of the rotating disc 11 is smaller than the inner diameter of the shell 1, a circular groove 17 is vertically embedded in the shell 1 relative to the center of the rotating disc 11, the circular groove 17 and the rotating disc 11 are coaxially arranged, the diameter of the circular groove is smaller than that of the rotating disc 11, and the circular groove does not penetrate through the lower surface of the shell 1.

The rotating mechanism comprises a gear shaft 19, a main bevel gear 20, a secondary bevel gear 21, a motor 18 and a roller 22; as shown in fig. 1, a gear shaft 19 is also coaxially and vertically arranged in the circular groove 17, and the diameter of the gear shaft 19 is smaller than that of the circular groove 17; the lower end of the gear shaft 19 is rotationally connected with the bottom surface of the circular groove 17 of the shell 1, and the upper end of the gear shaft vertically extends upwards to form the circular groove 17 and is fixedly connected with the middle position of the lower surface of the rotating disc 11 coaxially; the gear shaft 19 is also fixedly provided with a secondary bevel gear 21 in a coaxial sleeve manner, and the secondary bevel gear 21 is horizontally arranged in the circular groove 17 and does not interfere with the shell 1; a motor 18 is horizontally arranged at intervals on one side of the slave bevel gear 21, the fixed end of the motor 18 is screwed and fixed with the corresponding side wall of the circular groove 17 of the shell 1, the output end of the motor is horizontally arranged towards the slave bevel gear 21, and the motor is meshed and connected with the slave bevel gear 21 through a main bevel gear 20 to drive a gear shaft 19 to rotate so as to drive the rotating disc 11 to horizontally rotate; the inner bottom surface of the shell 1 is also connected with a plurality of circles of rollers 22 which are abutted against the lower surface of the rotating disc 11, and the plurality of circles of rollers 22 are coaxially arranged with the rotating disc 11 and are respectively arranged without interfering with the gear shaft 19; each of the rollers 22 is tapered, and has a small end at one end thereof close to the gear shaft 19 and a large end at the other end thereof so as to be adapted to a smaller linear velocity close to the gear shaft 19 when the rotating disk 11 rotates. The utility model discloses a set up gyro wheel 22, stability when can ensure the level of rolling disc 11 and rotate.

It should be noted that, because the utility model discloses need guarantee that rolling disc 11 rotates for 180 at every turn, so can still be equipped with spacing sensor respectively for cassette 12 position department at casing 1's internal peripheral face, the sense terminal of two spacing sensors sets up towards the upper end direction that corresponds valve body 13 respectively to respectively with 18 electric connection of motor, and then whether the accessible spacing sensor detects valve body 13 and rotates to target in place.

The utility model is provided with two clamping seats 12 matched with the valve body 13 on the upper surface of the rotating disc 11 along the radial direction in a symmetrical way at intervals, and the two sides of each clamping seat 12 are respectively provided with a clamping mechanism in a symmetrical way, and the valve body 13 arranged in the corresponding clamping seat 12 is clamped and fixed by the clamping mechanism; as shown in fig. 1, a plurality of threaded holes are respectively embedded in the upper surface of the rotating disc 11 at positions corresponding to each of the clamping seats 12 in a matrix manner at intervals, and each threaded hole does not vertically penetrate through the lower surface of the rotating disc 11; the fixed end of each cassette 12 is fixed with the corresponding threaded hole on the rotating disc 11 by screwing, so that different cassettes 12 can be selected according to different specifications of valve bodies 13.

Each clamping mechanism comprises a support 14, a second electric push rod 15, an arc-shaped plate 16 and a rubber pad; as shown in fig. 1, second electric push rods 15 are further horizontally and symmetrically arranged on two sides of each card holder 12, and each second electric push rod 15 is arranged above the corresponding card holder 12 at an interval; the four second electric push rods 15 are horizontally arranged in a collinear manner, and fixed ends of the four second electric push rods are fixed at corresponding positions on the upper surface of the rotating disc 11 through corresponding supports 14 respectively, and do not influence the installation of the clamping seats 12 with different specifications; the telescopic end of each second electric push rod 15 is horizontally arranged towards the direction corresponding to the clamping seat 12 and is screwed and fixed with the middle position of the back of the corresponding arc-shaped plate 16 which is horizontally arranged, each arc-shaped plate 16 is matched with the valve body 13, the concave surface of each arc-shaped plate is horizontally arranged towards the direction corresponding to the clamping seat 12, and a rubber pad is also attached to the concave surface of each arc-shaped plate; the utility model discloses place valve body 13 in corresponding cassette 12, and under the drive of second electric putter 15, it is fixed to press from both sides tightly valve body 13 to correspond arc 16.

The utility model is also provided with a sliding plate 3 matched with the shell body horizontally and coaxially at the upper position inside the shell body 1, and the sliding plate 3 vertically moves up and down inside the shell body 1 through a lifting mechanism; the lifting mechanism comprises a first electric push rod 2, a slide rail 4, a limiting plate 5, a slide block and a spring 6; as shown in fig. 1, a first electric push rod 2 is also vertically arranged at the middle position of the upper surface of the housing 1, and a telescopic end of the first electric push rod 2 vertically extends downwards into the housing 1 and is fixed with the middle position of the upper surface of the sliding plate 3 in a threaded manner; the inner circumferential surface of the shell 1 is also uniformly provided with vertical slide rails 4 at intervals along the circumferential direction, and each slide rail 4 is vertically arranged; limiting plates 5 are further horizontally arranged at the upper end and the lower end of each sliding rail 4 respectively, each limiting plate 5 is vertically and fixedly connected with the corresponding position of the inner circumferential surface of the shell 1 respectively, and the vertical movement of the sliding plate 3 is limited up and down; the outer circumferential surface of the sliding plate 3 is also provided with sliding blocks at positions corresponding to the sliding rails 4, each sliding block is matched with the corresponding sliding rail 4, and the sliding plate 3 vertically moves up and down in the shell 1 under the driving of the first electric push rod 2 through the matching use of the sliding blocks and the sliding rails 4; springs 6 are respectively and vertically fixedly arranged on the inner top surface of the shell 1 relative to the left side and the right side of the first electric push rod 2, and the springs 6 are used for buffering and limiting the vertical upward movement of the sliding plate 3; when the telescopic end of the first electric push rod 2 is at the upper limit position, the grinding assembly 9 and the air gun 7 are required to be separated from the corresponding valve body 13; the stroke of the first electric push rod 2 is required to ensure that the grinding component 9 does not affect the grinding of the valve body 13.

The utility model is also provided with an air gun 7 coaxially at the position of the lower surface of the sliding plate 3 corresponding to the left clamping seat 12, and the valve body 13 is cleaned by air injection through the air gun 7; as shown in fig. 1, the upper end of the vertically arranged air gun 7 is hermetically communicated with the lower end of the air injection hose 8, and the upper end of the air injection hose 8 sequentially extends upwards to form the sliding plate 3 and the upper surface of the shell 1 and is connected with an external air source; the air injection hose 8 does not influence the vertical up-and-down movement of the sliding plate 3, and the air injection end of the air injection gun 7 is vertically arranged downwards, and air injection cleaning is carried out towards the valve body 13 placed in the corresponding clamping seat 12.

As shown in fig. 1, a grinding assembly 9 is coaxially arranged at a position of the lower surface of the sliding plate 3 relative to the right clamping seat 12, and the valve body 13 is ground through the grinding assembly 9. Wherein, the end of polishing can be changed according to the valve body 13 of different specifications to the subassembly of polishing 9, and its stiff end passes through the mounting panel and corresponds the position spiro union with the lower surface of sliding plate 3 fixed, and its end of polishing sets up vertically down to ensure that its end of polishing sets up with the axle center with the valve body 13 of placing in cassette 12, and then polishes valve body 13.

The utility model is also provided with a circular ring-shaped slag guide plate 23 at the inner bottom surface of the shell 1 with the same axle center, as shown in figure 1, the outer diameter of the slag guide plate 23 is matched with the inner diameter of the shell 1, and the inner diameter is smaller than the diameter of the rotating disc 11; the upper surface of the slag guide plate 23 is an inclined surface which is inclined downwards towards the inner circumferential surface direction of the shell 1, is arranged below the rotating disc 11 at intervals, and does not interfere with the horizontal rotation of the rotating disc 11; the inner circumferential surface of the shell 1 is provided with a plurality of slag discharging openings 10 uniformly distributed and spaced along the circumferential direction of the outer end of the slag guide plate 23 relative to the outer end of the slag guide plate 23, each slag discharging opening 10 is higher than the outer end of the slag guide plate 23, the slag discharging openings horizontally extend out of the outer circumferential surface of the shell 1 along the radial direction of the shell 1 respectively, and then chips on the slag guide plate 23 are discharged through an external dust collector.

The utility model discloses a theory of operation: firstly, the valve body 13 is placed in the corresponding clamping seat 12 and is clamped and fixed through a clamping mechanism; then the rotating disc 11 horizontally rotates through the rotating mechanism, when the limit sensor detects the valve body 13, the valve body 13 is rotated in place, and at the moment, the air injection gun 7 is used for performing air injection cleaning on the valve body 13; then, the rotating disc 11 horizontally rotates again through the rotating mechanism, when the limiting sensor detects the valve body 13 again, the valve body 13 is rotated in place, and at the moment, the valve body 13 is polished through the polishing assembly 9; then the rotating disc 11 horizontally rotates again through the rotating mechanism, when the limiting sensor detects that the valve body 13 rotates in place, the valve body 13 is subjected to air injection cleaning through the air injection gun 7; in the process, the scraps are collected to the scrap discharge port 10 through the scrap guide plate 23, and then the scraps are discharged through the external dust collector.

The utility model has the advantages that:

(1) The utility model has the advantages that the rotating mechanism is arranged, so that the integrated polishing process of air injection cleaning, polishing and secondary air injection cleaning is convenient for the valve body 13, and the polishing efficiency and the polishing effect are improved;

(2) The utility model improves the stability of the valve body 13 during polishing through the matching of the clamping seat 12 and the abutting mechanism, thereby improving the polishing efficiency;

(3) The utility model discloses a setting up the ring form slag guide plate 23 of taking the inclined plane, being convenient for collect the piece to row's cinder notch 10 department to be convenient for discharge through the dust catcher.

The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.

Claims (10)

1. The utility model provides a valve inner chamber grinding device which characterized in that: the device comprises a shell, a rotating mechanism, a clamping seat, a clamping mechanism, a lifting mechanism, a polishing assembly and an air gun; the shell is of a vertically arranged hollow cylindrical structure, round rotating discs are horizontally and coaxially arranged on the inner bottom surface of the shell at intervals, and the rotating discs are horizontally and rotatably connected with the inner bottom surface of the shell through a rotating mechanism; two clamping seats matched with the valve body are symmetrically and spirally connected to the upper surface of the rotating disc at intervals along the radial direction of the rotating disc at the left and right sides, clamping mechanisms are symmetrically arranged on two sides of each clamping seat respectively, and the valve body placed in the corresponding clamping seat is clamped and fixed through the clamping mechanisms; a sliding plate matched with the shell is horizontally arranged at the upper position inside the shell in the same axial center, and the sliding plate vertically moves up and down in the shell through a lifting mechanism; the lower surface of the sliding plate is coaxially provided with an air gun relative to the left clamping seat, and the valve body is cleaned in an air spraying mode through the air gun; the lower surface of the sliding plate is provided with a polishing component coaxially relative to the right clamping seat, and the valve body is polished through the polishing component.

2. The valve inner cavity grinding device according to claim 1, wherein: a plurality of threaded holes are respectively embedded and formed in the positions, corresponding to each clamping seat, of the upper surface of the rotating disc in a matrix uniformly distributed mode at intervals, and each threaded hole does not vertically penetrate through the lower surface of the rotating disc; the fixed end of each clamping seat is in threaded connection and fixation with the corresponding threaded hole in the rotating disc respectively, and therefore different clamping seats can be selected according to valve bodies of different specifications.

3. The valve inner cavity grinding device according to claim 2, wherein: each clamping mechanism comprises a support, a second electric push rod, an arc-shaped plate and a rubber pad; second electric push rods are respectively and horizontally symmetrically arranged on two sides of each clamping seat, and each second electric push rod is arranged above the corresponding clamping seat at intervals; the four second electric push rods are horizontally arranged in a collinear manner, fixed ends of the four second electric push rods are fixed at corresponding positions on the upper surface of the rotating disc through corresponding supports respectively, and installation of clamping seats of different specifications is not affected; the telescopic end of each second electric push rod is horizontally arranged towards the direction of the corresponding clamping seat and is screwed and fixed with the middle position of the back face of the horizontally arranged corresponding arc-shaped plate, each arc-shaped plate is matched with the valve body, the concave face of each arc-shaped plate is horizontally arranged towards the direction of the corresponding clamping seat, and a rubber pad is attached to the concave face of each arc-shaped plate; the valve body is placed in corresponding the cassette, and under the drive of second electric putter, corresponds the arc and presss from both sides tightly fixedly to the valve body.

4. The valve inner cavity grinding device according to claim 1, wherein: the lifting mechanism comprises a first electric push rod, a slide rail, a limiting plate, a slide block and a spring; a first electric push rod is vertically arranged in the middle of the upper surface of the shell, and a telescopic end of the first electric push rod vertically extends downwards to the inside of the shell and is fixedly connected with the middle of the upper surface of the sliding plate in a threaded manner; the inner circumferential surface of the shell is also uniformly provided with vertical slide rails at intervals along the circumferential direction of the inner circumferential surface of the shell, and each slide rail is vertically arranged; limiting plates are horizontally arranged at the upper end and the lower end of each sliding rail respectively, and each limiting plate is vertically and fixedly connected with the corresponding position of the inner circumferential surface of the shell and limits the vertical movement of the sliding plate up and down; the outer circumferential surface of the sliding plate is also provided with sliding blocks corresponding to the corresponding sliding rails, each sliding block is matched with the corresponding sliding rail, and the sliding plate vertically moves up and down in the shell through the matching use of the sliding blocks and the sliding rails under the driving of the first electric push rod; springs are respectively and vertically fixedly arranged on the inner top surface of the shell relative to the left side and the right side of the first electric push rod, and the springs are used for buffering and limiting the vertical upward movement of the sliding plate.

5. The valve inner cavity grinding device according to claim 1, wherein: the air injection hose is also included; the upper end of the vertically arranged air injection gun is communicated with the lower end of the air injection hose in a sealing way, and the upper end of the air injection hose sequentially extends upwards to form a sliding plate and the upper surface of the shell and is connected with an external air source; the air injection hose does not influence the vertical up-and-down motion of the sliding plate, the air injection end of the air injection gun is vertically arranged downwards, and air injection cleaning is carried out towards the valve body placed in the corresponding clamping seat.

6. The valve inner cavity grinding device according to claim 1, wherein: the polishing component can replace polishing ends of the valve bodies of different specifications, fixing ends of the polishing component are fixed to the corresponding positions of the lower surface of the sliding plate in a threaded mode through the mounting plate, the polishing ends of the polishing component are vertically arranged downwards, the polishing ends of the polishing component and the valve bodies placed in the clamping seats are arranged coaxially, and then the valve bodies are polished.

7. The valve bore grinding device of claim 4, wherein: when the telescopic end of the first electric push rod is located at the upper limit position, the grinding assembly and the air gun are required to be ensured to be separated from the corresponding valve body; the stroke of first electric putter needs to ensure that the subassembly of polishing does not exert an influence to the polishing of valve body.

8. The valve inner cavity grinding device according to claim 1, wherein: the diameter of the rotating disc is smaller than the inner diameter of the shell, a round groove is vertically embedded in the position, opposite to the center of the rotating disc, of the shell, the round groove and the rotating disc are coaxially arranged, the diameter of the round groove is smaller than that of the rotating disc, and the round groove does not penetrate through the lower surface of the shell.

9. The valve bore grinding device of claim 8, wherein: the rotating mechanism comprises a gear shaft, a main bevel gear, a secondary bevel gear, a motor and a roller; a gear shaft is also vertically arranged in the circular groove coaxially, and the diameter of the gear shaft is smaller than that of the circular groove; the lower end of the gear shaft is rotationally connected with the bottom surface of the circular groove of the shell, and the upper end of the gear shaft vertically extends upwards out of the circular groove and is coaxially and fixedly connected with the middle position of the lower surface of the rotating disc; a driven bevel gear is fixedly sleeved on the gear shaft coaxially, and the driven bevel gear is horizontally arranged in the circular groove and does not interfere with the shell; a motor is horizontally arranged on one side of the slave bevel gear at intervals, the fixed end of the motor is in threaded connection and fixed with the corresponding side wall of the circular groove of the shell, the output end of the motor is horizontally arranged towards the slave bevel gear, and the motor is meshed and connected with the slave bevel gear through a main bevel gear to drive a gear shaft to rotate so as to drive a rotating disc to horizontally rotate; the inner bottom surface of the shell is also connected with a plurality of circles of idler wheels which are abutted against the lower surface of the rotating disc, and the plurality of circles of idler wheels and the rotating disc are coaxially arranged and are respectively arranged without interfering with the gear shaft; each gyro wheel is the toper, and its one end that is close to the gear shaft is the tip, and the other end is the main aspects to the linear velocity that is close to the gear shaft is littleer when adaptation rotates in the rolling disc.

10. The valve bore grinding device of claim 9, wherein: a circular ring-shaped slag guide plate is coaxially arranged on the inner bottom surface of the shell, the outer diameter of the slag guide plate is matched with the inner diameter of the shell, and the inner diameter of the slag guide plate is smaller than the diameter of the rotating disc; the upper surface of the slag guide plate is an inclined surface which is inclined downwards towards the direction of the inner circumferential surface of the shell, and the inclined surface is arranged below the rotating disc at intervals and does not interfere with the horizontal rotation of the rotating disc; the inner circumferential surface of the shell is provided with a plurality of slag discharging ports uniformly distributed at intervals along the circumferential direction relative to the outer end of the slag guide plate, the height of each slag discharging port is larger than that of the outer end of the slag guide plate, the slag discharging ports respectively extend out of the outer circumferential surface of the shell along the radial direction of the shell, and then scraps on the slag guide plate are discharged through an external dust collector.

Images