CN106041678A - Grinding device of flange sealing grooves and use method thereof - Google Patents
Grinding device of flange sealing grooves and use method thereof Download PDFInfo
- Publication number
- CN106041678A CN106041678A CN201610587602.0A CN201610587602A CN106041678A CN 106041678 A CN106041678 A CN 106041678A CN 201610587602 A CN201610587602 A CN 201610587602A CN 106041678 A CN106041678 A CN 106041678A
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- CN
- China
- Prior art keywords
- grinding ring
- grinding
- bracket
- added
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/024—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor driven by hands or feet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding device of flange sealing grooves and a use method thereof, and belongs to the field of manufacturing of pressure vessels. According to the grinding device of the flange sealing groove and the use method thereof, finish machining of the flange sealing grooves can be realized. The grinding device of the flange sealing grooves structurally comprises locating screws 7, fastening screws 8, a bracket 9 and grinding ring handles 10; the locating screws 7 are provided with threaded holes, balls 5 and springs 6 are fixed inside the threaded holes of the locating screws 7 by the fastening screws 8, and one third parts of the balls 5 extend out of the end faces of the threaded holes of the locating screws 7; the locating screws 7 are fixedly connected to the bracket 9; and the shapes of grinding rings 4 are matched with the shapes of the sealing grooves 1 of to-be-machined work-pieces of the pressure vessels. The use method includes the steps of selecting the grinding rings 4 of the corresponding specifications, fixing the device to the to-be-machined work-pieces, adjusting the locating screws 7 so that the grinding rings 4 can make contact with the sealing grooves 1 of the to-be-machined work-pieces and adding grinding paste; and manually rotating the handles 10 on the grinding rings 4 for carrying out grinding. The quality of the sealing grooves machined through the grinding device is good. The grinding device is easy to carry, convenient to operate and capable of being widely applied to machining of the flange sealing grooves of various pressure vessels.
Description
Technical field
The present invention relates to the polish of pressure vessel manufacturing field a kind of flange sealing surface shape groove.
Background technology
Flange, as the vitals in Petro-Chemical Machinery equipment, also has the highest wanting to the sealing surface machining accuracy of flange
Ask.The seal form of flange has plane, concave-convex type, tongue-and-groove type and ring joint face four kinds at present.Low pressure vessel typically uses flat
Face type seals, and pressure vessel typically uses seal groove to seal, and wherein medium pressure vessel typically uses concave-convex type and tongue-and-groove type, high pressure,
Supertension typically uses ring connection i.e. T-slot.In Pressure Vessel Manufacture Process, after equipment enters framework, due to by place
Limit, the sealing surface of flange cannot be passed through machine tooling；To flange sealing surface typically after machine tooling, must also be by manually
Grind and reach required precision.In prior art, flange sealing trough grinds and there is problems in that
1, during hand lapping, hoop and axially loaded are uneven；
2, labor intensity is big, expends the time long, and surface quality cannot ensure.
Particularly in rework process at the scene, this problem is the most prominent.
Summary of the invention
The present invention seeks to overcome prior art defect, the polish problem of pressure container flange sealing trough.
The invention provides a kind of flange sealing trough lapping device, its structure has: bolt 2, nut 3, grinding ring 4, ball
5, spring 6, positioning screw 7, jackscrew 8, bracket 9, grinding ring handle 10；Screwed hole is had, top on wherein said positioning screw 7
Ball 5 and spring 6 are fixed in the screwed hole of positioning screw 7 by silk 8, and ball 5 diameter is straight more than positioning screw 7 endoporus port
Footpath, about 1/3 part of ball 5 stretches out the screwed hole end face of positioning screw 7；Described positioning screw 7 is fixedly attached on bracket 9；
The shape of described grinding ring 4, the shape of workpiece seal groove 1 to be added with pressure vessel adapts.
Described bolt 2, nut 3 specification determine according to workpiece upper bolt hole size to be added, and quantity is 4-8 part, symmetrical assembling
On workpiece to be added.
Described bracket 9 material can be ordinary carbon steel, thickness of slab 15-30mm, and size matches with workpiece size to be added.
The using method of flange sealing trough lapping device is as follows:
According to the geomery of face seal groove 1 to be processed, select the grinding ring 4 of corresponding specification, and grinding ring 4 is loaded correspondence
Seal groove in；Before grinding, by clean to workpiece seal groove 1 to be added and grinding ring 4 surface clean；
Bracket 9 utilizes bolt 2, nut 3 are fixed on workpiece to be added, makes grinding ring 4 upper surface distance seal groove bottom surface 2-
4mm;The handle 10 making grinding ring 4 is stretched out by the centre bore on bracket 9；The screw-in distance of regulation bolt 2, it is ensured that bracket 9 with
Workpiece seal groove 1 plane to be added keeps balance；
Regulation the positioning screw 7 screw-in position on bracket 9, make grinding ring 4 contacts side surfaces to the seal groove 1 of workpiece to be added,
Keep balance；
Regulation jackscrew 8 location controls spring 6 provides axial force to control the compression degree of grinding ring 4, makes grinding ring 4 stress equal
Even；
Grinding ring 4 and workpiece seal groove 1 to be added install abrasive pastes additional；
Handle 10 on manual rotation grinding ring 4 carries out the grinding of workpiece seal groove 1 to be added.
The invention has the beneficial effects as follows:
1. when grinding, stress ratio is more uniform, and processing seal groove quality is good；
2. this device carries lightly, uses and is not limited by place；
3. installing simple, easy to operate, work efficiency is high, and labor intensity is low；
The most applied widely, can be used for middle pressure, high pressure, the processing of supertension various pressure container flange seal groove.
Accompanying drawing explanation
The fundamental diagram of Fig. 1 present invention,
Fig. 2 positioning screw,
Fig. 3 jackscrew,
Fig. 4 bracket,
Fig. 5 grinding ring,
In figure, each parts labelling is as follows: 1 workpiece seal groove to be added, 2 bolts, 3 nuts, 4 grinding rings, 5 balls, 6 springs, 7 location
Screw rod, 8 jackscrews, 9 brackets, 10 grinding ring handles.
Detailed description of the invention
In conjunction with accompanying drawing, the detailed description of the invention of the present invention is described further:
As it is shown in figure 1, the lapping device structure of flange sealing trough has: bolt 2, nut 3, grinding ring 4, ball 5, spring 6, location
Screw rod 7, jackscrew 8, bracket 9, grinding ring handle 10；Having screwed hole on wherein said positioning screw 7, jackscrew 8 is by ball 5 He
Spring 6 is fixed in the screwed hole of positioning screw 7, and ball 5 diameter is more than positioning screw 7 endoporus port diameter, about the 1/ of ball 5
3 parts stretch out the screwed hole end face of positioning screw 7；Described positioning screw 7 is fixedly attached on bracket 9；Described grinding ring 4 shape
Shape, the shape of workpiece seal groove 1 to be added with pressure vessel adapts.
As shown in Figure 4, on described bracket 9 centre bore straight through for two handle 10 centre-to-centre spacing+handle diameters on grinding ring 4+
(40-60) mm, can make grinding ring handle 10 put into and wherein rotate；Bolt hole distance center hole+30mm near centre bore.Use
Time, grinding ring 4 is fixed on bracket 9, and leads to by the assembly that available ball 5, spring 6, positioning screw 7 and jackscrew 8 are assembled into
Crossing spring 6 provides axial force to control the compression degree of grinding ring 4；Four symmetrical diameters of bolt hole at bracket 9 edge according to
Workpiece upper bolt hole size to be added determines, for bracket 9 is fixed on to be processed, the holding power that bracket 9 provides can support
Disappear grinding ring 4 gravity with ensure all directions stress balance.
The using method of flange sealing trough lapping device is as follows:
According to the geomery of face seal groove 1 to be processed, select the grinding ring 4 of corresponding specification, and grinding ring 4 is loaded correspondence
Seal groove in；Before grinding, by clean to seal groove 1 to be processed and grinding ring 4 surface clean；
Bracket 9 utilizes bolt 2, nut 3 are connected on workpiece to be added, makes grinding ring 4 upper surface distance T-slot bottom surface 2-
4mm;The handle 10 of grinding ring 4 is stretched out by the centre bore on bracket 9；Regulation bolt 2 screw-in distance, it is ensured that bracket 9 with treat
Processing sealing surface 1 keeps balance；
Positioning screw 7 is arranged on bracket 9 in corresponding bolt hole, just makes grinding ring 4 contacts side surfaces to workpiece to be added
Seal groove 1, and regulate the screw-in position of positioning screw 7, it is ensured that grinding ring 4 keeps balance with workpiece seal groove 1 to be added；
Regulation jackscrew 8, location controls spring 6 provides axial force to control the compression degree of grinding ring 4, it is ensured that grinding ring 4 is subject to
Power is uniform；
Workpiece seal groove 1 to be added and grinding ring 4 install abrasive pastes additional；
Handle 10 on manual rotation grinding ring 4 carries out the grinding of workpiece seal groove 1 to be added.
Abrasive pastes are used for improving machining accuracy and surface smoothness, and protection grinding ring 4, extends its service life effectively.
Claims (4)
1. flange sealing trough lapping device, is characterized in that: its structure have bolt (2), nut (3), grinding ring (4), ball (5),
Spring (6), positioning screw (7), jackscrew (8), bracket (9), grinding ring handle (10)；Wherein said positioning screw has on (7)
Screwed hole, ball (5) and spring (6) are fixed in the screwed hole of positioning screw (7) by jackscrew (8), and ball (5) diameter is more than fixed
Position screw rod (7) endoporus port diameter, 1/3 part of ball (5) stretches out the screwed hole end face of positioning screw (7)；Described location spiral shell
Bar (7) is fixedly attached on bracket (9)；Described grinding ring (4) shape, the shape of workpiece seal groove (1) to be added with pressure vessel
Shape adapts.
2. the flange sealing trough lapping device described in claim 1, is characterized in that: described bolt (2), nut (3) specification root
Determining according to workpiece upper bolt hole size to be added, quantity is 4-8 part, and symmetry is assembled on workpiece to be added.
3. the flange sealing trough lapping device described in claim 1, is characterized in that: described bracket (9) material can be common
Carbon steel, thickness of slab 15-30mm, size matches with workpiece size to be added.
4. the using method of the flange sealing trough lapping device described in claim 1, is characterized in that:
According to the size of workpiece seal groove (1) to be added, select the grinding ring (4) of corresponding specification, and grinding ring (4) is loaded right
In the seal groove answered；By clean to seal groove to be processed (1) and grinding ring (4) surface clean before grinding；
Bracket (9) utilizes bolt (2), nut (3) are fixed on workpiece to be added, makes grinding ring (4) upper surface distance seal groove
Bottom surface 2-4mm;The handle (10) making grinding ring (4) is stretched out by the centre bore on bracket (9)；Regulation bolt (2) screw-in away from
From, it is ensured that bracket (9) keeps balance with sealing surface to be processed (1)；
Regulation positioning screw (7) screw-in position on bracket (9), makes grinding ring (4) contacts side surfaces to workpiece seal groove to be added
(1), balance is kept；
Regulation jackscrew (8), location controls spring (6) provides axial force to control the compression degree of grinding ring (4), makes grinding ring
(4) uniform force；
Workpiece seal groove (1) to be added and grinding ring (4) install abrasive pastes additional；
Handle (10) on manual rotation grinding ring (4) carries out the grinding of workpiece seal groove (1) to be added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587602.0A CN106041678A (en) | 2016-07-25 | 2016-07-25 | Grinding device of flange sealing grooves and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587602.0A CN106041678A (en) | 2016-07-25 | 2016-07-25 | Grinding device of flange sealing grooves and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106041678A true CN106041678A (en) | 2016-10-26 |
Family
ID=57417368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610587602.0A Pending CN106041678A (en) | 2016-07-25 | 2016-07-25 | Grinding device of flange sealing grooves and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106041678A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514483A (en) * | 2016-11-11 | 2017-03-22 | 中国石油天然气第建设有限公司 | Tool for fixing grinding ring for high-pressure flange sealing face |
| CN115008355A (en) * | 2022-06-21 | 2022-09-06 | 华能山东石岛湾核电有限公司 | High-temperature gas cooled reactor pressure vessel flange sealing surface repairing kit and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109635A (en) * | 1976-09-10 | 1978-08-29 | Rossborough John C | Machine grooved joint on hollow concrete cylinders |
| CN2654281Y (en) * | 2003-10-30 | 2004-11-10 | 中国石化集团齐鲁石油化工公司 | Polishing device of steel annular sealing groove |
| CN103949962A (en) * | 2013-11-29 | 2014-07-30 | 中科华核电技术研究院有限公司 | Automatic polishing machine for sealing groove of rotary body |
| CN203843176U (en) * | 2014-05-16 | 2014-09-24 | 司江胜 | Movable processing device for flange sealing surfaces |
| CN204053747U (en) * | 2014-08-28 | 2014-12-31 | 贵州赤天化正泰工程有限责任公司 | The online prosthetic device of flange sealing surface |
| CN104889859A (en) * | 2015-06-23 | 2015-09-09 | 广东茂化建集团有限公司 | High-pressure static sealing groove surface defect grinding repair machine |
| CN105127451A (en) * | 2015-09-25 | 2015-12-09 | 兰州兰石重型装备股份有限公司 | Tool for manually machining small-diameter flange sealing surface and usage method of tool |
| CN205928178U (en) * | 2016-07-25 | 2017-02-08 | 兰州兰石重型装备股份有限公司 | Flange seal groove grinder |
-
2016
- 2016-07-25 CN CN201610587602.0A patent/CN106041678A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109635A (en) * | 1976-09-10 | 1978-08-29 | Rossborough John C | Machine grooved joint on hollow concrete cylinders |
| CN2654281Y (en) * | 2003-10-30 | 2004-11-10 | 中国石化集团齐鲁石油化工公司 | Polishing device of steel annular sealing groove |
| CN103949962A (en) * | 2013-11-29 | 2014-07-30 | 中科华核电技术研究院有限公司 | Automatic polishing machine for sealing groove of rotary body |
| CN203843176U (en) * | 2014-05-16 | 2014-09-24 | 司江胜 | Movable processing device for flange sealing surfaces |
| CN204053747U (en) * | 2014-08-28 | 2014-12-31 | 贵州赤天化正泰工程有限责任公司 | The online prosthetic device of flange sealing surface |
| CN104889859A (en) * | 2015-06-23 | 2015-09-09 | 广东茂化建集团有限公司 | High-pressure static sealing groove surface defect grinding repair machine |
| CN105127451A (en) * | 2015-09-25 | 2015-12-09 | 兰州兰石重型装备股份有限公司 | Tool for manually machining small-diameter flange sealing surface and usage method of tool |
| CN205928178U (en) * | 2016-07-25 | 2017-02-08 | 兰州兰石重型装备股份有限公司 | Flange seal groove grinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514483A (en) * | 2016-11-11 | 2017-03-22 | 中国石油天然气第建设有限公司 | Tool for fixing grinding ring for high-pressure flange sealing face |
| CN106514483B (en) * | 2016-11-11 | 2018-10-02 | 中国石油天然气第一建设有限公司 | A kind of tooling of fixed high pressure flange sealing surface grinding ring |
| CN115008355A (en) * | 2022-06-21 | 2022-09-06 | 华能山东石岛湾核电有限公司 | High-temperature gas cooled reactor pressure vessel flange sealing surface repairing kit and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |