CN213795928U - Three eccentric butterfly valve disk seat grinding assembly - Google Patents
Three eccentric butterfly valve disk seat grinding assembly Download PDFInfo
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- CN213795928U CN213795928U CN202022174914.3U CN202022174914U CN213795928U CN 213795928 U CN213795928 U CN 213795928U CN 202022174914 U CN202022174914 U CN 202022174914U CN 213795928 U CN213795928 U CN 213795928U
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- butterfly valve
- grinding
- valve seat
- transmission shaft
- eccentric
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Abstract
The utility model relates to a butterfly valve disk seat grinds technical field, discloses a three eccentric butterfly valve disk seat grinding assembly, and it is used for grinding the sealed face of three eccentric butterfly valve disk seats, it includes: a work table; the supporting plate is rotatably connected to the workbench and used for placing the three-eccentric-center butterfly valve seat; the grinding device comprises a grinding head, a transmission shaft and a driving part, the grinding head moves along the axis of the transmission shaft, the transmission shaft penetrates through the supporting plate, the power output end of the driving part is connected with the transmission shaft, and the driving part is used for driving the transmission shaft to rotate. The utility model provides a three eccentric butterfly valve disk seat grinding assembly to reach low in production cost and the high purpose of maintenance quality.
Description
Technical Field
The utility model relates to a butterfly valve disk seat grinds technical field, especially relates to a three eccentric center butterfly valve disk seat grinding assembly.
Background
At present, the triple eccentric butterfly valve is widely applied to the industries of petrochemical industry, coal hydrogen production and the like, but the production and processing difficulty of the triple eccentric butterfly valve is high, the triple eccentric butterfly valve mainly depends on import, the price of the triple eccentric butterfly valve is high and varies from tens of thousands to millions of yuan, and therefore the maintenance of the triple eccentric butterfly valve is particularly important.
The triple eccentric butterfly valve consists of a valve and a valve seat, and the valve seat are of an integrated structure; when the sealing surface of the valve seat of the three-eccentric butterfly valve is damaged in the using process and needs to be maintained, the three-eccentric butterfly valve can only be integrally replaced or returned to the factory for maintenance due to the fact that a device special for maintaining the valve seat is not arranged, production cost is improved, and maintenance quality is not convenient to improve.
Disclosure of Invention
The utility model aims at: the utility model provides a three eccentric butterfly valve disk seat grinding assembly to reach low in production cost and the high purpose of maintenance quality.
In order to achieve the above object, the utility model provides a three eccentric butterfly valve disk seat grinding assembly, it is used for grinding the sealed face of three eccentric butterfly valve disk seats, it includes:
a work table;
the supporting plate is rotatably connected to the workbench and used for placing the three-eccentric-center butterfly valve seat;
the grinding device comprises a grinding head, a transmission shaft and a driving part, the grinding head moves along the axis of the transmission shaft, the transmission shaft penetrates through the supporting plate, the power output end of the driving part is connected with the transmission shaft, and the driving part is used for driving the transmission shaft to rotate.
In some embodiments of the present application, one side of the support plate is fixed to the table by a rotation shaft, and one side of the support plate rotates around the rotation shaft;
the other side of the supporting plate is connected with a supporting device, and the supporting device is rotatably connected with the workbench.
In some embodiments of the present application, the supporting means is provided in two, the supporting means includes a screw rod and a nut, the screw rod is rotatably connected to the table through a universal joint, the nut is threadedly connected to the screw rod, and the nut is fixed to the other side of the supporting plate.
In some embodiments of the present application, the support plate is provided with an adjustment hole through which the transmission shaft passes, and the length of the adjustment hole is greater than the diameter of the transmission shaft.
In some embodiments of the present application, the abrasive head has an abrasive surface with sandpaper absorbed thereon.
In some embodiments of the present application, the table is provided with a bushing through which the drive shaft passes.
In some embodiments of the present application, the output shaft of the drive member is connected to the drive shaft by a coupling.
In some embodiments of the present application, the drive member is an electric motor.
The embodiment of the utility model provides a three eccentric butterfly valve disk seat grinding assembly, it compares with prior art, and its beneficial effect lies in:
when the sealing surface of the three-eccentric-center butterfly valve seat needs to be ground, firstly, the supporting plate is rotated to an angle which is convenient for the grinding head to grind the sealing surface of the three-eccentric-center butterfly valve seat, then the grinding head is moved to a position which is convenient for grinding the sealing surface of the three-eccentric-center butterfly valve seat, finally, the driving part drives the transmission shaft to rotate, and the grinding head grinds the sealing surface of the three-eccentric-center butterfly valve seat, so that the grinding of the sealing surface of the three-eccentric-center butterfly valve seat is completed; therefore, the utility model discloses three eccentric butterfly valve disk seats have that application scope is wide, easy operation, simple structure, formation cost are low and the advantage that maintenance quality is high to certain popularization nature has.
Drawings
Fig. 1 is a schematic structural view of an abrasive assembly according to an embodiment of the present invention.
In the figure, 1, three eccentric butterfly valve seats; 11. a sealing surface; 2. a work table; 3. a support plate; 4. A grinding device; 41. a grinding head; 42. a drive shaft; 43. a drive member; 5. a rotating shaft; 6. A support device; 61. a screw; 62. and a nut.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the embodiment of the utility model provides a three eccentric butterfly valve disk seat grinding assembly, it is used for grinding three eccentric butterfly valve disk seat 1's sealed face 11, and it includes: a work table 2; the supporting plate 3 is rotatably connected to the workbench 2, and the supporting plate 3 is used for placing the triple offset butterfly valve seat 1; the grinding device 4 comprises a grinding head 41, a transmission shaft 42 and a driving part 43, wherein the grinding head 41 moves along the axis of the transmission shaft 42, the transmission shaft 42 penetrates through the support plate 3, the power output end of the driving part 43 is connected with the transmission shaft 42, and the driving part 43 is used for driving the transmission shaft 42 to rotate.
Based on the structure, when the sealing surface 11 of the three-eccentric center butterfly valve seat 1 needs to be ground, the supporting plate 3 is firstly rotated to the angle convenient for the grinding head 41 to grind the sealing surface 11 of the three-eccentric center butterfly valve seat 1, then the grinding head 41 is moved to the position convenient for grinding the sealing surface 11 of the three-eccentric center butterfly valve seat 1, finally the driving component 43 drives the transmission shaft 42 to rotate, the grinding head 41 grinds the sealing surface 11 of the three-eccentric center butterfly valve seat 1, and therefore the grinding of the sealing surface 11 of the three-eccentric center butterfly valve seat 1 is completed; therefore, the utility model discloses three eccentric butterfly valve disk seats have that application scope is wide, easy operation, simple structure, formation cost are low and the advantage that maintenance quality is high to certain popularization nature has.
In some embodiments, optionally, as shown in fig. 1, one side of the support plate 3 is fixed to the table 2 by a rotation shaft 5, and one side of the support plate 3 rotates around the rotation shaft 5;
the other side of the supporting plate 3 is connected with a supporting device 6, and the supporting device 6 is rotatably connected with the workbench 2. Thereby, the support plate 3 rotates around the center line of the rotating shaft 5, and the support device 6 is used for supporting the support plate 3, so that the support plate 3 is obliquely arranged relative to the table top of the workbench 2; therefore, the worker adjusts the angle between the support plate 3 and the table surface of the table 2 according to the angle of the sealing surface 11 of the triple offset butterfly valve seat 1, so that the grinding head 41 can be better adapted to different types of triple offset butterfly valve seats 1.
In some embodiments, optionally, as shown in fig. 1, the support device 6 is provided in two, the support device 6 includes a screw 61 and a nut 62, the screw 61 is rotatably connected to the worktable 2 through a universal joint, the nut 62 is screwed to the screw 61, and the nut 62 is fixed to the other side of the support plate 3. Therefore, the screw 61 and the nut 62 provide supporting force for the support plate 3, so that when the triple offset butterfly valve seat 1 is polished, the included angle between the support plate 3 and the workbench 2 is not changed, and the stability of the polishing process is ensured; in addition, because the screw 61 can rotate relative to the workbench 2, the supporting plate 3 can not interfere with the supporting device 6 in the rotating process, and the stability of the grinding process is ensured.
In some embodiments, optionally, as shown in fig. 1, the support plate 3 is provided with an adjustment hole through which the transmission shaft 42 passes, the length of the adjustment hole being greater than the diameter of the transmission shaft 42. Therefore, when the support plate 3 rotates relative to the table top of the workbench 2, the adjusting hole rotates relative to the transmission shaft 42, so that the support plate 3 cannot interfere with the transmission shaft 42 in the rotating process, and the stability of the support plate 3 in the rotating process is further ensured.
In some embodiments, optionally, as shown in fig. 1, the grinding head 41 has a grinding surface with sandpaper absorbed thereon. Therefore, the abrasive paper improves the grinding efficiency of the grinding head 41 on the sealing surface 11 of the three-eccentric center butterfly valve seat 1, of course, the grinding surface of the grinding head 41 can also absorb grinding sand, and workers can select the abrasive paper or the grinding sand as required;
furthermore, the grinding surface of the grinding head 41 is adapted to the sealing surface 11 of the triple offset butterfly valve seat 1, preferably, the grinding surface of the grinding head 41 is conical because the sealing surface 11 of the triple offset butterfly valve seat 1 is conical.
In some embodiments, optionally, as shown in FIG. 1, the table 2 is provided with a bushing through which the drive shaft 42 passes. Therefore, the shaft sleeve can not only ensure the verticality of the transmission shaft 42 and the workbench 2, but also ensure that the transmission shaft 42 rotates more flexibly.
In some embodiments, optionally, as shown in fig. 1, to facilitate the connection of the drive member 43 to the drive shaft 42, the output shaft of the drive member 43 is connected to the drive shaft 42 by a coupling.
In some embodiments, optionally, as shown in FIG. 1, the drive component 43 is an electric motor that can provide a steady torque.
To sum up, the utility model discloses three eccentric butterfly valve disk seat grinding component, when needs grind the sealed face 11 of three eccentric butterfly valve disk seats 1, at first rotate the backup pad 3 to the angle that the grinding head 41 ground the sealed face 11 of three eccentric butterfly valve disk seats 1, then move the grinding head 41 to the position that is convenient for grind the sealed face 11 of three eccentric butterfly valve disk seats 1, drive unit 43 drives transmission shaft 42 and rotates at last, the grinding head 41 grinds the sealed face 11 of three eccentric butterfly valve disk seats 1, thereby accomplish the grinding to the sealed face 11 of three eccentric butterfly valve disk seats 1; therefore, the utility model discloses three eccentric butterfly valve disk seats have that application scope is wide, easy operation, simple structure, formation cost are low and the advantage that maintenance quality is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A triple offset butterfly valve seat grinding assembly for grinding a sealing surface of a triple offset butterfly valve seat, comprising:
a work table;
the supporting plate is rotatably connected to the workbench and used for placing the three-eccentric-center butterfly valve seat;
the grinding device comprises a grinding head, a transmission shaft and a driving part, the grinding head moves along the axis of the transmission shaft, the transmission shaft penetrates through the supporting plate, the power output end of the driving part is connected with the transmission shaft, and the driving part is used for driving the transmission shaft to rotate.
2. The triple offset butterfly valve seat grinding assembly of claim 1, wherein one side of the support plate is fixed to the table by a rotation axis and one side of the support plate rotates about the rotation axis;
the other side of the supporting plate is connected with a supporting device, and the supporting device is rotatably connected with the workbench.
3. The grinding assembly of claim 2, wherein the support means is provided in two pieces, the support means comprising a threaded rod rotatably coupled to the table by a universal joint and a nut threadably coupled to the threaded rod, the nut being secured to the other side of the support plate.
4. The triple offset butterfly valve seat grinding assembly of claim 2, wherein the support plate is provided with an adjustment hole through which the drive shaft passes, and wherein the adjustment hole has a length greater than a diameter of the drive shaft.
5. The triple offset butterfly valve seat grinding assembly of claim 1, wherein the grinding bit has a grinding surface with sandpaper adhered thereto.
6. The triple offset butterfly valve seat grinding assembly of claim 1, wherein the table has a boss through which the drive shaft passes.
7. The triple offset butterfly valve seat grinder assembly of claim 1, wherein the output shaft of the drive member is coupled to the drive shaft by a coupling.
8. The triple offset butterfly valve seat grinding assembly of claim 7, wherein the drive member is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174914.3U CN213795928U (en) | 2020-09-28 | 2020-09-28 | Three eccentric butterfly valve disk seat grinding assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174914.3U CN213795928U (en) | 2020-09-28 | 2020-09-28 | Three eccentric butterfly valve disk seat grinding assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213795928U true CN213795928U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022174914.3U Active CN213795928U (en) | 2020-09-28 | 2020-09-28 | Three eccentric butterfly valve disk seat grinding assembly |
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| CN (1) | CN213795928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227448A (en) * | 2021-12-20 | 2022-03-25 | 东宝阀门有限公司 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing seat |
-
2020
- 2020-09-28 CN CN202022174914.3U patent/CN213795928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227448A (en) * | 2021-12-20 | 2022-03-25 | 东宝阀门有限公司 | Grinding processing technology for sealing surface of metal hard sealing butterfly valve sealing seat |
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