CN207941487U - A kind of concave-convex type cubic apparatus superhigh pressure sealing component - Google Patents
A kind of concave-convex type cubic apparatus superhigh pressure sealing component Download PDFInfo
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- CN207941487U CN207941487U CN201820016633.5U CN201820016633U CN207941487U CN 207941487 U CN207941487 U CN 207941487U CN 201820016633 U CN201820016633 U CN 201820016633U CN 207941487 U CN207941487 U CN 207941487U
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Abstract
The utility model belongs to super-pressure synthesizing superhard material installation technical field, it is related to a kind of concave-convex type cubic apparatus superhigh pressure sealing component and diamond synthesizing process, one of which concave-convex type cubic apparatus superelevation seal assembly includes concave bottom piston, internal projection formula working cylinder, cylinder cap and rear stifled；There are one truncated cone-shaped protrusions for the interior bottom portion of the internal projection formula working cylinder, and truncated cone-shaped convex center is formed through fuel feed hole, the concave bottom piston is adaptably arranged inside the internal projection formula working cylinder, the cylinder cap is bolted on interior convex type working cylinder, stifled after described to be bolted outside the inner convexed working cylinder at the center of bottom surface.Above-mentioned superhigh pressure sealing component, the concave structure design of wherein concave bottom piston has been used to alleviate the weight of piston, reduce the abrasion of sealing element, be conducive to high-tension apparatus enlargement so that diamond is got out in cubic hinge press used in the diamond synthesizing.
Description
Technical field
The utility model belongs to super-pressure synthesizing superhard material installation technical field, is related to a kind of concave-convex type cubic apparatus superelevation
Densification sealing assembly.
Background technology
The superelevation that cubic press is mainly used for the superhard materials such as diamond, cubic boron nitride, B4C is pressed into,
With the demand of product size enlargement, the gradually enlargement development of cubic apparatus high-tension apparatus, the constantly increased high pressure cylinder of volume is lived
Plug, which is conducted oneself with dignity, to be increased, and causes piston to manufacture and assemble, press adjustment difficulty, three O-ring seals of piston due to doing for a long time
Friction, easily wears to fail, and influences sealing effect, and the piston face between O-ring seal easily occurs to do with working cylinder
Friction, leads to working cylinder and piston failure；At the same time working cylinder can bear bigger pressure, if plug-hole is larger after oil cylinder, hold
It is caused to seriously affect by the rear stifled service life of larger pressure；Working cylinder bottom is blocked up after being realized frequently with step shaft-like structure and work
Make cylinder mechanical snap, additional sealing ring realizes the sealing of oil inlet pipe and working cylinder, structure fabrication process complexity, production cost
It is high.
Working cylinder after cubic hinge press enlargement and piston, cylinder cap and problem of combining closely stifled afterwards, piston and oil
Fretting wear problem between cylinder, afterwards stifled high pressure oil leakage problem, result in the system pressure of extra-high tension unit（<120MPa）
Can not break through Bridgeman proposition " 100MPa " high-tension apparatus pressure bank limit, limit cubic press into
The development of one step.
Domestic often to utilize domestic cubic apparatus equipment Static Catalyst method diamond synthesis, it is original that Static Catalyst method, which is with graphite,
Material, transition metal or alloy make catalyst, and constant high-pressure is generated with hydraulic press, generate continuous high temperature with direct current or alternating current, make stone
Ink is converted into diamond, and conversion condition is generally 5-7GPa, 1300-1700 DEG C.In the synthesis technology of diamond, keep constant
Synthesis pressure, which with synthesis temperature is the key that graphite carbon atom, mutually becomes diamond, however the diamond synthesizing time is longer, superelevation
Any leakage problem of pressure oil can all seriously affect the yield of diamond, crystal form systematicness.
Utility model content
The technical problems to be solved in the utility model is to overcome existing seal assembly service life short and high pressure oil leakage
Problem designs a kind of concave-convex type cubic apparatus superhigh pressure sealing component.
The utility model is technical solution used by solving its technical problem：
A kind of concave-convex type cubic apparatus superhigh pressure sealing component, including concave bottom piston, internal projection formula working cylinder, cylinder cap and after
It is stifled；The interior bottom portion of the internal projection formula working cylinder there are one truncated cone-shaped protrusion, and truncated cone-shaped convex center be formed through into
Oilhole, the concave bottom piston are adaptably arranged inside the internal projection formula working cylinder, and at it close to the outer wall of concave bottom
On be provided with sealing structure, the cylinder cap is bolted on interior convex type working cylinder, and is superposed between the two
Two seals, it is stifled after described to be bolted outside the inner convexed working cylinder at the center of bottom surface.
Further, the sealing structure is to surround to be fitted in tri- O-ring seals of concave bottom piston side wall Shang, the O
The inner wall of type sealing ring and internal projection formula working cylinder forms seal groove, and the space between every two adjacent O-ring seals is formed
Radial ringed oil storage tank, the filling type between two adjacent O-ring seals are provided with release link
Further, there are four the release link is total to, the setting around circumferential clearance formula in oil storage tank, adopt by the release link
Coating is made with rubber material and then resetting spring is wrapped up to form closed structure, and is on the outside of the coating of release link
Fold skin.
Further, the cylinder cap is generally ladder-like, and cylinder cap is interior with tri- O-ring seals of internal projection formula working cylinder Jian Yi
Diameter size is in contact, and built-in axially directed equipped with piston on the cylinder cap internal diameter close to internal projection formula working cylinder ante-chamber
Keyway has antirotation keys to be inserted in corresponding axially directed keyway.
Further, the fuel feed hole at the internal projection formula working cylinder center is aperture gauge structure, an end of the fuel feed hole
Mouth is located at the center of the upper surface of truncated cone-shaped protrusion, another port is located at the center of internal projection formula working cylinder bottom end face, institute
State fuel feed hole with it is described after it is stifled by it is tapered it is in sealing contact be connected to, the fuel feed hole of internal projection formula working cylinder exterior bottom end face
Around open up that there are four fixed bolt holes to be used to be fixed stifled after described by bolt.
Possessed advantageous effect is the utility model compared with prior art：
One, the concave structure of concave bottom piston is designed in the case where not reducing its intensity and hard conditions, alleviates the weight of piston,
The abrasion for reducing sealing element is conducive to installation and repairing and the high-tension apparatus enlargement of equipment；Three " O " type sealing devices with
Twice oil storage tank considerably increases high pressure oil sealing performance, reduces the fretting wear between piston and oil cylinder, twice oil storage tank
Storage unit liquid separation pressure oil in a pre-installation, hydraulic oil has overflowed lubricant effect when piston motion, greatly reduces piston and cylinder body
Abrasion ensures hydraulic system leakproofness.
Two, the round platform bulge-structure of internal projection formula working cylinder increases the thickness of cylinder bottom, further improves working cylinder bottom
Bearing capacity, improve working cylinder bottom stress, avoid the cracking phenomena of working cylinder, substantially increase working cylinder can
The pressure limit born；The bottom structure of thicker protrusion greatly reduces the internal stress on cylinder bottom center fuel feed hole periphery, can coordinate
The fuel feed hole of small diameter designs, and stress is blocked up after reduction, and service life is blocked up after extension；Simultaneously four spiral shells are increased at working cylinder bottom
Keyhole, coordinate oil inlet bottom of the tube tapered connection, it can be achieved that working cylinder with afterwards block up combine closely, avoid High-pressure oil sealing from revealing.
Three, the O-ring seal structure design in working cylinder cavity substantially increases the leakproofness of press, efficiently solves
The leakage problem of ante-chamber can improve the system pressure of extra-high tension unit（<120MPa）, break through what Bridgeman was proposed
The high-tension apparatus pressure bank of " 100MPa " limits.
Four, built-in feather key and keyway limit the rotation of piston, ensure that extra-high tension unit to neutrality, simultaneously
Reduce pyrophyllite dust and enter oil cylinder and the wear out failure phenomenon that leads to sealing ring and piston, improves the building ring of cylinder cap
Border extends the working life of piston and cylinder cap.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the enlarged diagram at the positions the utility model C.
Fig. 3 is the structural schematic diagram of the release link in the utility model.
Fig. 4 is the enlarged diagram at the positions the utility model D.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
As shown in Fig. 1, a kind of concave-convex type cubic apparatus superhigh pressure sealing component, including the work of concave bottom piston 1, internal projection formula
Cylinder 8, cylinder cap 2 and afterwards block up 10；There are one truncated cone-shaped protrusion, the concave bottoms to live for the interior bottom portion of the internal projection formula working cylinder 8
Plug 1 is adaptably arranged inside the internal projection formula working cylinder 8, and sealing knot is provided on its outer wall close to concave bottom
Structure, the cylinder cap 2 is bolted on interior convex type working cylinder 8, and is superposed two seals between the two, institute
10 are blocked up after stating to be bolted at the center of 8 outside bottom surface of the inner convexed working cylinder.
The heat treatment process of the concave bottom piston 1 is modifier treatment, i.e. double quenching increases temperature temper, specific to handle
Technique is：Pre-heating temperature elevation is to 640 DEG C, held for some time, then is warming up to 800 DEG C, keeps the temperature 3h, last double quenching, i.e. oil quenching
Add Water Quenching, with 640 DEG C of high temperings after quenching, keeps the temperature 15h, be air-cooled to room temperature；The heat treatment process ensure that concave bottom is lived
The rigidity of plug 1, ensures effective transmission of chamber pressure.
Specifically, the sealing structure that the concave bottom piston 1 is arranged on the side wall of concave bottom is to surround to be fitted in concave bottom work
Tri- O-ring seals of side wall Shang are filled in, the O-ring seal 3 and the inner wall of internal projection formula working cylinder 8 form seal groove 4, per phase
Space between two adjacent O-ring seals 3 forms radial ringed slot, and the radial ringed slot is oil storage tank 5, and two is adjacent
Filling between on the inside of O-ring seal is provided with release link 11, specifically, there are four the release link is total, surrounds circumferential clearance
The setting of formula is in oil storage tank 5, as shown in Fig. 2, when the release link 11 of setting is used to support O-ring seal 3 and is squeezed by hydraulic oil
It is resetted, prevents from losing sealing effect；The release link 11 is to be internally provided with the enclosed construction of resetting spring 12, described multiple
Position bar 11 is made of rubber material to be coated and then is wrapped up resetting spring 12 forming closed structure, and release link 11
Coating on the outside of be fold skin 13, convenient for spring 12 deforms upon and make length variation, as shown in Figure 3.
Specifically, as shown in Figure 1, the cylinder cap 2 is generally ladder-like, cylinder cap 2 and 8 Jian Yi tri- of internal projection formula working cylinder
The internal diameter size of O-ring seal is in contact, and is equipped with and lives on 2 internal diameter of the cylinder cap close to 8 ante-chamber of internal projection formula working cylinder
Built-in axially directed keyway 6 is filled in, there are antirotation keys 7 to be inserted in corresponding axially directed keyway 6, to prevent piston rotation, shadow
Ring sealing effect.
Specifically, the fuel feed hole 9 at 8 center of internal projection formula working cylinder is aperture gauge structure, fuel feed hole 9 penetrates through in described
Truncated cone-shaped protrusion in convex type working cylinder 8, the i.e. a port of the fuel feed hole 9 are located in the upper surface of truncated cone-shaped protrusion
The heart, another port are located at the center of 8 bottom outside end face of internal projection formula working cylinder, and the fuel feed hole 9 leads to described rear stifled 10
14 contact connection of tapered sealing is crossed, opens up that there are four solid around the fuel feed hole 9 of the 8 exterior bottom end face of internal projection formula working cylinder
Determine bolt hole for described stifled 10 will be fixed afterwards by bolt, as shown in Figure 4.
When the utility model is used, hydraulic oil blocks up 10 after passing through enter fuel feed hole 9, fuel feed hole 9 and rear stifled 10 taper
It is tightly connected, is effectively prevented the leakage of hydraulic oil；Hydraulic oil enters in internal projection formula working cylinder 8, and hydraulic oil pushes spill to live
1 movement of plug, when the seal groove 4 of 1 rear end of female piston, can prevent hydraulic oil from revealing；Because female piston 1 moves drive it is O-shaped close
When seal 3 is slided, O-ring seal mutually squeezes so that the hydraulic oil in oil storage tank 5 be squeezed out, with reduce female piston with it is interior
The fretting wear of 8 inner surface of convex type working cylinder, while 11 stress pressed home spring 12 of release link compresses, when O-ring seal 3
The reset of resetting spring 12 jacks up O-ring seal 3 when sliding into rear end, and misplacing when preventing from sliding again loses leakproofness；Spill
1 middle part of piston is equipped with axially directed keyway 6 and antirotation keys 7, prevents piston rotation, avoids influencing sealing effect, since concave bottom is lived
It fills in and is arranged between three O-ring seals 3 and 2 outer diameter of cylinder cap and internal projection formula working cylinder 8 that be superimposed twice close on 1 rear end outer diameter
Seal so that external seal is perfect in the present apparatus, and working cylinder ante-chamber hydraulic oil can be effectively prevent to reveal.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any person skilled in the art are not departing within the scope of technical solutions of the utility model, when using the disclosure above
Technology contents make change or modify equivalent variations equivalent embodiment, as long as being without departing from technical solutions of the utility model
Content is still within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of concave-convex type cubic apparatus superhigh pressure sealing component, which is characterized in that including concave bottom piston, internal projection formula working cylinder,
Cylinder cap and rear stifled；Truncated cone-shaped protrusion that there are one the interior bottom portions of the internal projection formula working cylinder, and truncated cone-shaped convex center
It is formed through fuel feed hole, the concave bottom piston is adaptably arranged inside the internal projection formula working cylinder, and close at its
Sealing structure is provided on the outer wall of concave bottom, the cylinder cap is bolted on interior convex type working cylinder, and the two it
Between be superposed two seals, the stifled center that the bottom surface outside the internal projection formula working cylinder is bolted after described
Place.
2. a kind of concave-convex type cubic apparatus superhigh pressure sealing component according to claim 1, which is characterized in that the sealing knot
Structure is to surround to be fitted in tri- O-ring seals of concave bottom piston side wall Shang, and the O-ring seal is interior with internal projection formula working cylinder
Wall forms seal groove, and the space between every two adjacent O-ring seals forms radial ringed oil storage tank, and two is adjacent O-shaped close
Filling type between seal is provided with release link.
3. a kind of concave-convex type cubic apparatus superhigh pressure sealing component according to claim 2, which is characterized in that the release link
There are four total, for the setting around circumferential clearance formula in oil storage tank, the release link is right in turn using rubber material making coating
Resetting spring is wrapped up forming closed structure, and is fold skin on the outside of the coating of release link.
4. a kind of concave-convex type cubic apparatus superhigh pressure sealing component according to claim 1, which is characterized in that the cylinder cap is whole
Body is ladder-like, and cylinder cap is in contact with the internal diameter size of tri- O-ring seals of internal projection formula working cylinder Jian Yi, and close to convex
The cylinder cap internal diameter for playing formula working cylinder ante-chamber is equipped with the built-in axially directed keyway of piston, has antirotation keys to be inserted in corresponding
In axially directed keyway.
5. a kind of concave-convex type cubic apparatus superhigh pressure sealing component according to claim 1, which is characterized in that the internal projection
The fuel feed hole at formula working cylinder center is aperture gauge structure, and a port of the fuel feed hole is located at the upper surface of truncated cone-shaped protrusion
Center, another port are located at the center of internal projection formula working cylinder bottom end face, and the fuel feed hole is blocked up afterwards with described by tapered
Connection in sealing contact, opens up that there are four fixed bolt holes to use around the fuel feed hole of internal projection formula working cylinder exterior bottom end face
It is stifled after will be described to be fixed by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016633.5U CN207941487U (en) | 2018-01-05 | 2018-01-05 | A kind of concave-convex type cubic apparatus superhigh pressure sealing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016633.5U CN207941487U (en) | 2018-01-05 | 2018-01-05 | A kind of concave-convex type cubic apparatus superhigh pressure sealing component |
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| Publication Number | Publication Date |
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| CN207941487U true CN207941487U (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820016633.5U Active CN207941487U (en) | 2018-01-05 | 2018-01-05 | A kind of concave-convex type cubic apparatus superhigh pressure sealing component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899513A (en) * | 2018-01-05 | 2018-04-13 | 焦作天宝桓祥机械科技有限公司 | A kind of concave-convex type cubic apparatus superhigh pressure sealing component and diamond synthesizing process |
-
2018
- 2018-01-05 CN CN201820016633.5U patent/CN207941487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899513A (en) * | 2018-01-05 | 2018-04-13 | 焦作天宝桓祥机械科技有限公司 | A kind of concave-convex type cubic apparatus superhigh pressure sealing component and diamond synthesizing process |
| CN107899513B (en) * | 2018-01-05 | 2024-02-06 | 焦作天宝桓祥机械科技有限公司 | Concave-convex hexahedral top ultrahigh pressure sealing assembly and diamond synthesis process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Concave-convex cubic apparatus ultrahigh pressure sealing assembly and diamond synthesizing process Effective date of registration: 20190320 Granted publication date: 20181009 Pledgee: Jiaozuo CTS bank Limited by Share Ltd Pledgor: Jiaozuo Tianbao Huan Xiang Machinery Technology Co. Ltd. Registration number: 2019410000007 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200319 Granted publication date: 20181009 Pledgee: Jiaozuo CTS bank Limited by Share Ltd Pledgor: JIAOZUO TIANBAO HUAN XIANG MACHINERY TECHNOLOGY Co.,Ltd. Registration number: 2019410000007 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Concave-convex cubic apparatus ultrahigh pressure sealing assembly and diamond synthesizing process Effective date of registration: 20200320 Granted publication date: 20181009 Pledgee: Jiaozuo CTS bank Limited by Share Ltd Pledgor: JIAOZUO TIANBAO HUAN XIANG MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2020980000896 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210603 Granted publication date: 20181009 Pledgee: Jiaozuo CTS bank Limited by Share Ltd. Pledgor: JIAOZUO TIANBAO HUAN XIANG MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2020980000896 |