CN107965577A - A kind of superhard material built-up welding mechanical seal ring - Google Patents
A kind of superhard material built-up welding mechanical seal ring Download PDFInfo
- Publication number
- CN107965577A CN107965577A CN201711466495.7A CN201711466495A CN107965577A CN 107965577 A CN107965577 A CN 107965577A CN 201711466495 A CN201711466495 A CN 201711466495A CN 107965577 A CN107965577 A CN 107965577A
- Authority
- CN
- China
- Prior art keywords
- annular
- guiding groove
- dregs guiding
- welding
- seal ring
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a kind of superhard material built-up welding mechanical seal ring, including rotary packing ring and stationary seal ring, the superhard carbide material of end face built-up welding that stationary seal ring is contacted with rotary packing ring, rotary packing ring is provided with annular dregs guiding groove with the bad end face contacted of static seal, the outer shroud of annular dregs guiding groove uses superhard carbide built-up welding, inner ring uses superhard carbide built-up welding, inner ring sets the multiple helical flutes opposite with rotary packing ring direction of rotation, annular dregs guiding groove uses low-durometer material built-up welding with multiple helical flutes, annular dregs guiding groove, outer shroud, the surface of inner ring and multiple helical flutes flushes.The position for occurring wearing at first on the working face of rotary packing ring and stationary seal ring is in annular dregs guiding groove and multiple helical flutes, the metal fillings of high rigidity is enriched with thereon, these metal fillings can enter the multiple helical flutes reverse with direction of rotation along annular dregs guiding groove and be discharged under the influence of centrifugal force, avoid the metal fillings of high rigidity from continuing to corrode working face.
Description
Technical field
The present invention relates to mechanical seal field, more particularly to a kind of superhard material built-up welding mechanical seal ring.
Background technology
Mechanical seal ring is a kind of gland seal device of rotating machinery, such as centrifugal pump, centrifuge, reaction kettle and compressor again
Etc. in equipment, since transmission shaft is applied in inside and outside equipment, then between axis and equipment there are a circumferential clearance, Jie in equipment
Matter by the gap to outward leakage, if pressure subatmospheric in equipment, air are revealed into equipment, it is therefore necessary to have one
A gland seal device for preventing leakage.Since mechanical seal ring has the advantages that leakage rate is few and long lifespan, so usual in the world
Using mechanical seal ring as most important sealing mode in these equipment.Mechanical seal ring is mainly by rotary packing ring and static seal
Ring composition, in use since the mutual abrasion of stationary seal ring and rotary packing ring makes wear surface be enriched with the height worn firmly
Metal fillings is spent, these metal fillings hardness are higher, and the erosion to working face is than more serious.The one kind of built-up welding as material surface modifying
Economic and quick process, during the manufacture applied to each industrial department part is repaired more and more widely.Built-up welding be by
Alloy material with certain performance by certain heat source means cladding on the surface of fertile material, to assign mother metal spy
Different performance or the process for making the original geomery of part recovery.It can improve the service life of part, make common
Material surface obtains wear-resisting, corrosion-resistant, high rigidity overlay cladding.
Therefore, a kind of superhard material built-up welding mechanical seal ring is invented to eliminate the high rigidity metal fillings ten being enriched with wear surface
Divide necessity.
The content of the invention
It is an object of the invention to provide a kind of superhard material built-up welding mechanical seal ring, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical solution：A kind of superhard material built-up welding mechanical seal ring, including
Rotary packing ring and stationary seal ring, the superhard carbide material of end face built-up welding that the stationary seal ring is contacted with the rotary packing ring, institute
State rotary packing ring and the bad end face contacted of the static seal is provided with annular dregs guiding groove, the outer shroud of the annular dregs guiding groove is using super
Hard carbon compound built-up welding, the inner ring of the annular dregs guiding groove use superhard carbide built-up welding, and the inner ring is set and the dynamic sealing
The opposite multiple helical flutes in ring direction of rotation, the annular dregs guiding groove use soft material with the multiple helical flute
Expect built-up welding, the annular dregs guiding groove, outer shroud, the surface of inner ring and multiple helical flutes flush.
Further, the multiple helical flute intersects at junction with the annular dregs guiding groove, excessively described junction
The angle of tangent line and multiple spiral dregs guiding grooves of annular dregs guiding groove be less than 90 °.
Further, the angle of the tangent line of the annular dregs guiding groove of excessively described junction and multiple spiral dregs guiding grooves for 30 °~
60°。
The technique effect and advantage of the present invention：The present invention on the end face that rotary packing ring is contacted with stationary seal ring by setting
Annular dregs guiding groove and multiple helical flutes, and use the slightly lower material polishing annular dregs guiding groove of hardness and multiple debris
Groove, the position for making to occur wearing at first on working face appear in annular dregs guiding groove and multiple helical flutes, wear the height to get off
Hard metal bits can enter in multiple helical flutes along annular dregs guiding groove and be discharged work under the influence of centrifugal force
Make face, the timely discharge of high rigidity metal fillings avoids their erosions to working face, extends the work longevity of mechanical seal ring
Life.
Brief description of the drawings
Fig. 1 is the structure diagram of rotary packing ring end face in the embodiment of the present invention；
Fig. 2 is the sectional view at the A of rotary packing ring end face in the embodiment of the present invention；
Fig. 3 is the structure diagram of stationary seal ring end face in the embodiment of the present invention；
Fig. 4 is the sectional view at the B of stationary seal ring end face in the embodiment of the present invention.
In figure：1 stationary seal ring end face, 2 stationary seal rings, 3 annular dregs guiding grooves, 4 outer shrouds, 5 rotary packing rings, 6 inner ring, more than 7
Helical flute, 8 junctions.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, belongs to the scope of protection of the invention.
The present invention provides a kind of superhard material built-up welding mechanical seal ring as shown in Figs 1-4, including rotary packing ring 5 and quiet
Sealing ring 2, the stationary seal ring end face 1 that stationary seal ring 2 is contacted with rotary packing ring 5 are welded into one using superhard carbide material heap and put down
Face, rotary packing ring 5 are badly provided with annular dregs guiding groove 3 with static seal on 2 end faces contacted, the outer shroud 4 of annular dregs guiding groove 3 is using super
Hard carbon compound built-up welding, the inner ring 6 of annular dregs guiding groove 3 use superhard carbide built-up welding, set in inner ring 6 and rotated with rotary packing ring 5
The opposite multiple helical flutes 7 in direction, annular dregs guiding groove 3 use low-durometer material built-up welding, annular with multiple helical flutes 7
Dregs guiding groove 3, outer shroud 4, the surface of inner ring 6 and multiple helical flutes 7 flush.Due to annular dregs guiding groove 3 and multiple spiral rows
Consider groove 7 to be worth doing and use low-durometer material built-up welding, so when stationary seal ring 2 and rotary packing ring 5 work, the place for occurring wearing at first exists
Annular dregs guiding groove 3 and multiple helical flutes 7, can be enriched with annular dregs guiding groove 3 and multiple helical flutes 7 and wear
High rigidity metal fillings.
As shown in Figure 1, multiple helical flutes 7 intersect at junction 8 with annular dregs guiding groove 3, the annular for crossing junction 8 is led
The angle of the tangent line and multiple spiral dregs guiding grooves 7 of considering groove 3 to be worth doing is less than 90 °, when rotary packing ring 5 is rotated along the direction of arrow shown in Fig. 1
When, annular dregs guiding groove 3 is led by annular under the influence of centrifugal force with the high rigidity metal fillings being enriched with multiple helical flutes 7
Bits groove 3, which enters in multiple helical flutes 7, is discharged working face, has served as the tangent line of the annular dregs guiding groove 3 of junction 8 and multiple spiral shells
When the angle for revolving dregs guiding groove 7 is 30 °~60 °, high rigidity metal fillings can be entered multiple spiral by annular dregs guiding groove 3 faster
Working face is discharged in dregs guiding groove 7.
Operation principle of the present invention：A kind of superhard material built-up welding mechanical seal ring of the disclosure of the invention, stationary seal ring are close with moving
The superhard carbide material of end face built-up welding of seal ring contact, setting annular dregs guiding groove on the end face that rotary packing ring contact with stationary seal ring
With multiple helical flutes, the remainder of end face uses superhard carbide material built-up welding, annular dregs guiding groove and multiple spiral rows
Groove is considered to be worth doing using low-durometer material built-up welding and forms a complete plane with the remainder of end face, when rotary packing ring rotates,
For the high rigidity metal fillings of abrasion at first at the low annular dregs guiding groove of hardness and multiple helical flutes, these high rigidity are golden
Belong to considering to be worth doing to enter in multiple helical flutes along annular dregs guiding groove under the influence of centrifugal force and be discharged working face, avoid height
Hard metal bits continue to corrode to working face, extend the service life of mechanical seal ring.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of superhard material built-up welding mechanical seal ring, including rotary packing ring (5) and stationary seal ring (2), it is characterised in that：It is described
The superhard carbide material of stationary seal ring end face (1) built-up welding that stationary seal ring (2) is contacted with the rotary packing ring (5), it is described dynamic close
The end face that seal ring (5) (2) bad with the static seal contacts is provided with annular dregs guiding groove (3), the outer shroud of the annular dregs guiding groove (3)
(4) superhard carbide built-up welding is used, the inner ring (6) of the annular dregs guiding groove (3) uses superhard carbide built-up welding, the inner ring
(6) the multiple helical flutes (7) opposite with the rotary packing ring (5) direction of rotation, the annular dregs guiding groove (3) and institute are set
State multiple helical flutes (7) and use low-durometer material built-up welding, the annular dregs guiding groove (3), outer shroud (4), inner ring (6) and more
The surface of a helical flute (7) flushes.
2. superhard material built-up welding mechanical seal ring according to claim 1, it is characterised in that：The multiple helical flute
(7) intersect at junction (8) with the annular dregs guiding groove (3), the tangent line of the annular dregs guiding groove (3) of excessively described junction (8) with
The angle of multiple spiral dregs guiding grooves (7) is less than 90 °.
3. superhard material built-up welding mechanical seal ring according to claim 2, it is characterised in that：Cross the junction (8)
The angle of the tangent line of annular dregs guiding groove (3) and multiple spiral dregs guiding grooves (7) is 30 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466495.7A CN107965577B (en) | 2017-12-28 | 2017-12-28 | Super-hard material surfacing mechanical sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466495.7A CN107965577B (en) | 2017-12-28 | 2017-12-28 | Super-hard material surfacing mechanical sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965577A true CN107965577A (en) | 2018-04-27 |
| CN107965577B CN107965577B (en) | 2023-08-01 |
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ID=61993769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466495.7A Active CN107965577B (en) | 2017-12-28 | 2017-12-28 | Super-hard material surfacing mechanical sealing ring |
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| Country | Link |
|---|---|
| CN (1) | CN107965577B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131449A (en) * | 2018-01-31 | 2018-06-08 | 大连威尔博合金科技有限公司 | A kind of superhard material built-up welding mechanical seal ring |
| CN108916386A (en) * | 2018-08-30 | 2018-11-30 | 大连威尔博合金科技有限公司 | A kind of mechanical seal ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884842A (en) * | 2006-07-06 | 2006-12-27 | 江雪忠 | Leakless wear pump sealer |
| CN104455457A (en) * | 2014-12-07 | 2015-03-25 | 无锡高卓流体设备有限公司 | Novel single end surface mechanical seal |
| WO2017064180A1 (en) * | 2015-10-14 | 2017-04-20 | Hecker Holding Gmbh & Co. Kg | Sliding ring or counter ring for a sliding ring seal |
| CN107387766A (en) * | 2017-08-28 | 2017-11-24 | 浙江工业大学 | A kind of carbon ring sealing structure of imitative desert beetle shell on the back Surface Texture |
| CN207740465U (en) * | 2017-12-28 | 2018-08-17 | 大连威尔博合金科技有限公司 | A kind of superhard material built-up welding mechanical seal ring |
-
2017
- 2017-12-28 CN CN201711466495.7A patent/CN107965577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884842A (en) * | 2006-07-06 | 2006-12-27 | 江雪忠 | Leakless wear pump sealer |
| CN104455457A (en) * | 2014-12-07 | 2015-03-25 | 无锡高卓流体设备有限公司 | Novel single end surface mechanical seal |
| WO2017064180A1 (en) * | 2015-10-14 | 2017-04-20 | Hecker Holding Gmbh & Co. Kg | Sliding ring or counter ring for a sliding ring seal |
| CN107387766A (en) * | 2017-08-28 | 2017-11-24 | 浙江工业大学 | A kind of carbon ring sealing structure of imitative desert beetle shell on the back Surface Texture |
| CN207740465U (en) * | 2017-12-28 | 2018-08-17 | 大连威尔博合金科技有限公司 | A kind of superhard material built-up welding mechanical seal ring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131449A (en) * | 2018-01-31 | 2018-06-08 | 大连威尔博合金科技有限公司 | A kind of superhard material built-up welding mechanical seal ring |
| CN108131449B (en) * | 2018-01-31 | 2023-08-29 | 大连威尔博合金科技有限公司 | Super-hard material surfacing mechanical sealing ring |
| CN108916386A (en) * | 2018-08-30 | 2018-11-30 | 大连威尔博合金科技有限公司 | A kind of mechanical seal ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107965577B (en) | 2023-08-01 |
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