CN218785447U

CN218785447U - Ball valve sphere grinding and polishing device

Info

Publication number: CN218785447U
Application number: CN202222537367.XU
Authority: CN
Inventors: 李桃丰; 孟祥忠; 李季节; 牛玉芳; 张国威; 王保国; 周领燕; 杜红涛; 梁昆元
Original assignee: Xinxiang Aviation Industry Group Co Ltd
Current assignee: Xinxiang Aviation Industry Group Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-04
Anticipated expiration: 2032-09-23

Abstract

A ball valve spherical surface grinding and polishing device relates to the technical field of ball valve manufacturing, and comprises a grinding sleeve, wherein one end of the grinding sleeve is provided with a grinding port which is matched and attached to the spherical surface of a ball valve, a plurality of pressing plates are uniformly and annularly arranged on the outer wall of the grinding sleeve, a polishing strip is detachably pressed between each pressing plate and the corresponding outer wall of the grinding sleeve, a window hole is formed in the wall of the grinding sleeve between each pressing plate and the grinding port, one end of each polishing strip enters the grinding sleeve from the window hole, and is pressed and connected with the other end of the polishing strip together by the pressing plates after bypassing the grinding port outwards; the polishing device can be used for fixing polishing materials flatly, is convenient to replace, and improves polishing precision and efficiency.

Description

Ball valve ball surface grinding and polishing device

Technical Field

The utility model belongs to the technical field of the ball valve manufacturing technology and specifically relates to a ball valve sphere grinds throwing device is related to.

Background

The known ball valve products are widely applied, the ball valve products are made of aluminum alloy, stainless steel, copper and the like, the specification diameter is from S phi 17mm to S phi 160mm, the spherical profile degree of the parts is generally required to be not more than 0.02mm, the surface roughness is generally required to be not more than Ra0.2um, the quality requirement is high, and the processing difficulty is high; as shown in the attached drawing 1 of the specification, in the conventional spherical grinding, grinding paste is added into a grinding sleeve, and a spherical grinding machine is selected to grind and polish the spherical surface to improve the surface profile and the surface roughness of the ball valve, but for the aluminum alloy material with a hard anodized surface, the grinding and polishing efficiency is greatly reduced due to the increased roughness and relatively higher hardness;

by virtue of production experience, the surface of the hard anodized layer is polished by using a polishing material such as sand paper, but the defects applied to the grinding sleeve are as follows: firstly, the grinding sleeve is difficult to pave the adhered abrasive paper by grinding a curved surface, and the abrasive paper becomes poor in wrinkle when the grinding sleeve is stressed, so that the grinding and polishing precision is influenced; secondly, after the abrasive paper is used up, the abrasive paper is not easy to replace, so that the polishing efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a ball valve ball face grinds throwing device can comparatively level and smooth fixed polishing material, is convenient for change, improves polishing precision and efficiency.

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

the utility model provides a ball valve sphere grinds throwing device, contains and grinds the cover, the one end of grinding the cover is established to the grinding port of adaptation laminating ball valve sphere, it evenly encircles and is equipped with a plurality of clamp plates to grind the cover outer wall, can dismantle the pressure between the corresponding outer wall of clamp plate and grinding cover and be equipped with the polishing strip, and fenestra has all been seted up to every clamp plate and the grinding cover wall of grinding between the port, the one end of polishing strip gets into from the fenestra and grinds in the cover to outside walk around grinding the port after, with the other end of polishing strip together by the clamp plate crimping.

Furthermore, the center of the surface of the pressing plate is provided with a connecting hole, and the wall of the grinding sleeve is provided with a threaded hole for penetrating through the connecting hole for screw connection.

Further, the connecting hole is a kidney-shaped hole along the axial direction of the grinding sleeve.

Furthermore, the two ends of the inner plate surface of the pressing plate are provided with pressing teeth along the circumferential direction of the grinding sleeve, and the outer wall of the grinding sleeve is provided with tooth grooves matched with the pressing teeth.

Furthermore, both ends of the inner plate surface of the pressing plate are provided with pressing teeth along the circumferential direction of the grinding sleeve, and the outer wall of the grinding sleeve is provided with tooth grooves matched with the pressing teeth.

Further, the polishing strip is provided as sandpaper.

Further, the polishing strip is provided with a flexible and elastic protective lining.

Further, the protective lining is made of chamois cloth.

Further, the pressure plate is provided with six, eight or ten.

Further, the other end of the grinding sleeve, which is far away from the grinding port, is closed and provided with a mounting hole.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a ball valve sphere grinding and polishing device, through fixing a plurality of polishing strips on the grinding sleeve by bypassing corresponding window holes, overcomes the defect that the traditional pasting polishing strip causes bad folds, enables the polishing strip to be more suitable for smooth installation, and can be more stable when the polishing is stressed, in addition, the polishing strip is detachably pressed by utilizing a pressing plate, and the polishing strip is easier to be replaced quickly; to sum up, the utility model discloses fine satisfied the requirement of grinding and throwing stereoplasm anodization layer ball valve sphere, improved processingquality and production efficiency greatly, and frock low in manufacturing cost has very high spreading value.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a conventional polishing pad;

FIG. 2 is a schematic diagram of an embodiment of the present invention;

FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of the structure of the polishing strip.

In the figure: 1. grinding the sleeve; 101. grinding the port; 102. a window aperture; 2. pressing a plate; 201. pressing teeth; 3. polishing the strip; 4. and (4) screws.

Detailed Description

In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:

the ball valve spherical surface polishing device described in conjunction with fig. 2-4 comprises a grinding sleeve 1, wherein one end of the grinding sleeve 1 is provided with a grinding port 101 which is adapted to fit the spherical surface of the ball valve, the ball valve spherical surface is polished by continuously adjusting the contact position of the grinding port 101, the other end of the grinding sleeve 1, which is far away from the grinding port 101, is closed and provided with a mounting hole as required, and is connected with a rocking shaft with a universal joint through the mounting hole and connected to a traditional spherical surface grinding machine for driving;

a plurality of pressing plates 2 are uniformly and annularly arranged on the outer wall of the grinding sleeve 1, polishing strips 3 are detachably pressed between the pressing plates 2 and the corresponding outer walls of the grinding sleeve 1, and the polishing strips 3 can be quickly disassembled and assembled conveniently in a pressing mode; according to the requirement, a connecting hole is formed in the center of the surface of the pressing plate 2, a threaded hole for connecting a penetrating screw 4 is formed in the wall of the grinding sleeve 1 corresponding to the connecting hole, the pressing plate 2 and the grinding sleeve 1 are connected through the penetrating screw 4, and the polishing strip 3 is compressed; in addition, the connecting hole is a waist-shaped hole along the axial direction of the grinding sleeve 1, so that the press-fitting position of the pressing plate 2 can be conveniently adjusted according to the requirement; preferably, six, eight or ten pressing plates 2 are arranged, the specific number is determined according to the diameter of the ball valve, the larger the diameter is, the more the number is, and the uniform grinding and polishing is ensured; further, the polishing tape 3 is generally provided as sandpaper;

the window hole 102 is formed in the wall of the grinding sleeve 1 between each pressing plate 2 and the grinding port 101, one end of each polishing strip 3 enters the grinding sleeve 1 from the window hole 102 and is pressed by the pressing plate 2 together with the other end of each polishing strip 3 after going around the grinding port 101 outwards, the pressing mode can ensure that the polishing strips 3 are pressed tightly without folds, only the part, attached to the grinding port 101, of each polishing strip 3 is used during polishing, and after the pressing plates 2 are loosened, the polishing strips 3 are moved back and forth to realize dislocation replacement of bad surfaces, and the dislocation replacement can be used as before, so that the utilization rate is improved; according to the requirement, both ends of the inner plate surface of the pressing plate 2 are provided with pressing teeth 201 along the circumferential direction of the grinding sleeve 1, the outer wall of the grinding sleeve 1 is provided with tooth grooves matched with the pressing teeth 201, the pressing plate 2 can be positioned and installed by utilizing the matching of the pressing teeth 201 and the tooth grooves, the double-layer polishing strip 3 can be pressed more tightly, the dropping off in the use process is prevented, and preferably, a plurality of rows of pressing teeth 201 are arranged along the axial direction of the grinding sleeve 1 at the end part of the pressing plate 2 corresponding to the grinding port 101;

according to needs, polishing strip 3 is equipped with the protection inside lining that has flexibility and elasticity, and the protection inside lining can be established to chamois leather cloth, utilizes its pliability and elasticity protection abrasive paper not torn in rotary friction, can make abrasive paper effectively laminate in interior insert face department again, promotes the precision of polishing sphere profile degree.

The ball valve spherical surface grinding and polishing device of the utility model is implemented, after the polishing strip 3 is pressed in place and the whole grinding and polishing device is arranged on the grinding machine, an operator can start the grinding machine to implement operation; it is noted that the surface of the ball to be polished is not coated with the grinding paste during rough polishing, the dry polishing efficiency of the abrasive paper is high, particularly, when the hard anodized layer is polished by the abrasive paper, the dry polishing efficiency is obviously improved, and after the powder to be polished is blown by an air gun, the abrasive paper can be continuously used after recovering the self-sharpening property; if the sand falling of the sand paper is found to be more after a plurality of pieces of polishing, the pressing plate 2 can be loosened, and the polishing strip 3 is moved back and forth to realize the dislocation exchange of the poor sand paper surface, so that the sand paper can be used as before and can be continuously used by replacing new sand paper if necessary.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics 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, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims

1. The utility model provides a ball valve sphere grinds throwing device which characterized by: contain and grind cover (1), grind the one end of cover (1) and establish to the grinding port (101) of adaptation laminating ball valve sphere, grind even ring of cover (1) outer wall and be equipped with a plurality of clamp plates (2), can dismantle the pressure between clamp plate (2) and the corresponding outer wall of grinding cover (1) and be equipped with polishing strip (3), fenestrate (102) have all been seted up to grinding cover (1) set wall between every clamp plate (2) and grinding port (101), the one end of polishing strip (3) gets into from fenestrate (102) and grinds in cover (1) to outwards walk around grinding port (101) back, together by clamp plate (2) crimping with the other end of polishing strip (3).

2. The ball valve spherical surface polishing device according to claim 1, wherein: the center of the surface of the pressing plate (2) is provided with a connecting hole, and the wall of the grinding sleeve (1) corresponding to the connecting hole is provided with a threaded hole for the connection of a penetrating screw (4).

3. The ball valve spherical surface polishing device according to claim 2, wherein: the connecting hole is a waist-shaped hole along the axial direction of the grinding sleeve (1).

4. The ball valve spherical surface polishing device according to claim 1, wherein: the inner plate surface two ends of the pressing plate (2) are provided with pressing teeth (201) along the circumferential direction of the grinding sleeve (1), and the outer wall of the grinding sleeve (1) is provided with tooth grooves matched with the pressing teeth (201).

5. The ball valve spherical surface polishing device according to claim 4, wherein: the end pressing teeth (201) of the pressing plate (2) corresponding to the grinding port (101) are provided with a plurality of rows along the axial direction of the grinding sleeve (1).

6. The ball valve spherical surface polishing device according to claim 1, wherein: the polishing strip (3) is made into sand paper.

7. The ball valve spherical polishing device of claim 1, wherein: the polishing strip (3) is provided with a flexible and elastic protective lining.

8. The ball valve spherical surface polishing device according to claim 7, wherein: the protective lining is made of chamois cloth.

9. The ball valve spherical surface polishing device according to claim 1, wherein: six, eight or ten pressing plates (2) are arranged.

10. The ball valve spherical surface polishing device according to claim 1, wherein: the other end of the grinding sleeve (1) far away from the grinding port (101) is closed and provided with a mounting hole.