CN105422857B - The sealing ring being tightly connected for pipe fitting - Google Patents
The sealing ring being tightly connected for pipe fitting Download PDFInfo
- Publication number
- CN105422857B CN105422857B CN201510725295.3A CN201510725295A CN105422857B CN 105422857 B CN105422857 B CN 105422857B CN 201510725295 A CN201510725295 A CN 201510725295A CN 105422857 B CN105422857 B CN 105422857B
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- Prior art keywords
- rubber
- parts
- ring
- interior
- circle
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- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 229920001971 elastomer Polymers 0.000 claims abstract description 195
- 239000005060 rubber Substances 0.000 claims abstract description 195
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 24
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 24
- 229920001194 natural rubber Polymers 0.000 claims abstract description 24
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 24
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 24
- 239000008117 stearic acid Substances 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011787 zinc oxide Substances 0.000 claims abstract description 16
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000005864 Sulphur Substances 0.000 claims abstract description 12
- 125000003118 aryl group Chemical group 0.000 claims abstract description 12
- 239000004917 carbon fiber Substances 0.000 claims abstract description 12
- 235000013312 flour Nutrition 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 239000006229 carbon black Substances 0.000 claims abstract description 11
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000006049 ring expansion reaction Methods 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract description 55
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 abstract description 49
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 description 35
- 238000009954 braiding Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 19
- 230000007246 mechanism Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 7
- 229920000914 Metallic fiber Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
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- 229910001154 Pr alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- RKLPWYXSIBFAJB-UHFFFAOYSA-N [Nd].[Pr] Chemical compound [Nd].[Pr] RKLPWYXSIBFAJB-UHFFFAOYSA-N 0.000 description 1
- -1 and caused Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The present invention relates to neodymium iron boron production equipment technology, and in particular to a kind of sealing ring being tightly connected for pipe fitting.It includes the outer rubber circle being arranged concentrically and interior rubber ring, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes being uniformly distributed circumferentially;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, and interior rubber ring inner hollow is configured to the air collecting chamber of annular shape, the gas flow for connecting air storing cavity and air collecting chamber is configured with the middle part of any connecting tube;Outer rubber circle includes following components:Natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizer, stearic acid;Interior rubber ring includes following components:Natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor, accelerator, zinc oxide, magnesia, stearic acid, aromatic naphtha.Good seal performance of the present invention, service life length.
Description
Technical field
The present invention relates to neodymium iron boron production equipment technology, specifically, it is related to and a kind of is tightly connected for pipe fitting
Sealing ring.
Background technology
Neodymium-iron-boron magnetic material, as rare earth permanent-magnetic material development latest result, due to its excellent magnetic property by
Referred to as " magnetic king ".Neodymium-iron-boron magnetic material is the alloy of praseodymium neodymium metal, ferro-boron etc., also known as magnet steel.Neodymium iron boron has high magnetic
Energy product, coercivity and energy density, it is applied widely in modern industry and electronic technology, makes instrument and meter, electricity
Miniaturization, lightweight, the slimming of the equipment such as acoustic-electric machine, magnetic separation magnetization are possibly realized.
Contain substantial amounts of rear earth element nd, iron and boron in neodymium iron boron, its characteristic is hard and crisp.The advantages of neodymium iron boron is cost performance
Height, has good mechanical property;Be disadvantageous in that operating temperature is low, temperature characterisitic is poor, and be easy to dusting corrosion and easily by
Oxidation.
In existing neodymium iron boron manufacturing process, it usually needs using charging basket to being exported from airflow milling discharge outlet
NdFeB magnetic powder carries out splicing, storing.More conventional charging basket is typically made up of a cylindrical shape staving at present, is set on the charging basket
There is the material receiving port to match with the discharging opening of airflow milling, although it more convenient can carry out splicing to neodymium iron boron, due to neodymium
Iron boron easily aoxidizes in itself, and such barrel to air can not completely cut off while splicing, so as to cause neodymium iron boron
The very big reduction of quality.
Cause having its source in for above mentioned problem:During lacking one kind in the prior art specifically for such as neodymium iron boron splicing
The barrel used, and lack and a kind of can still possess the close of preferable sealing property during quick, multiple demolition, installation
Envelope mechanism.
The content of the invention
In order to overcome certain or some defects of prior art, the invention provides a kind of vapour-pressure type gasket seal.
According to the vapour-pressure type gasket seal of the present invention, it includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber
Circle and interior rubber ring are connected as one by least two connecting tubes being uniformly distributed circumferentially;Outer rubber circle inner hollow constructs
Into the air storing cavity of annular shape, interior rubber ring inner hollow is configured to the air collecting chamber of annular shape, is configured with the middle part of any connecting tube
For connecting the gas flow of air storing cavity and air collecting chamber.
In use, interior rubber ring is sealing surface to the vapour-pressure type gasket seal of the present invention, and outer rubber circle is compressive plane,
So as to preferably apply to the airtight connection between interface.Because outer rubber circle is not by external force under conventional sense, therefore interior rubber
Cushion rubber will not produce abrasion during assembly or disassembly because being contacted with workpiece surface.And when two workpiece are in connection station
When, due to outer rubber circle can by the extruding force of workpiece so that interior rubber ring expansion and seal the gap between workpiece, from
And provide preferably sealing property.The vapour-pressure type gasket seal of the present invention can adapt to the working environment of high-frequency demolition, installation.
Preferably, the capacity of air storing cavity is 2~5 times of air collecting chamber capacity.
In the vapour-pressure type gasket seal of the present invention, the capacity of air storing cavity can be 2~5 times of air collecting chamber capacity, so that
Ensure air collecting chamber while can preferably expand so as to bring preferably sealing property, also avoid because of air collecting chamber overinflation and
The potential safety hazard and sealing property brought decline.
Preferably, the sidewall thickness of air storing cavity is 1.5~3 times of air collecting chamber sidewall thickness.
In the vapour-pressure type gasket seal of the present invention, the sidewall thickness of air storing cavity can be the 1.5~3 of air collecting chamber sidewall thickness
Times, this construction:On the one hand make it that the gas in air storing cavity can be preferably through gas flow stream when being squeezed for air storing cavity
Enter in air collecting chamber;On the other hand when the external force at air storing cavity disappears, the gas in air collecting chamber can preferably be back to gas storage
Intracavitary, so that interior rubber ring can shrink rapidly, and then it can preferably avoid the abrasion of interior rubber ring.
Preferably, the external diameter of connecting tube and the ratio of internal diameter are 4: 1~10: 1.
In the vapour-pressure type gasket seal of the present invention, the external diameter of connecting tube and the ratio of internal diameter can be 4: 1~10: 1, so as to
Interior rubber ring is preferably supported on inside outer rubber circle, and then preferable job stability can be obtained.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for neodymium iron boron storing
The gasket seal of bucket.
According to the gasket seal for neodymium iron boron storage vat of the present invention, it includes the outer rubber circle being arranged concentrically and interior rubber
Cushion rubber, outer rubber circle and interior rubber ring are connected as one by least two connecting tubes being uniformly distributed circumferentially, outer rubber circle
One layer of braiding layer is configured with the appearance of at least two connecting tube;Outer rubber circle inner hollow is configured to the storage of annular shape
Air cavity, interior rubber ring inner hollow are configured to the air collecting chamber of annular shape, are configured with the middle part of any connecting tube for connecting gas storage
The gas flow of chamber and air collecting chamber.
The gasket seal for neodymium iron boron storage vat of the present invention can include any one above-mentioned vapour-pressure type gasket seal,
So as to bring identical technique effect.
In addition, because the appearance of outer rubber circle and all connecting tubes can be configured with one layer of braiding layer, so as to
The intensity of outer rubber circle and connecting tube is enough greatly promoted, and then, on the one hand enable outer rubber circle preferably repeatedly to bear outer
Power extrudes, and can prevent from causing interior rubber ring can not preferable Expansion sealing because of outer rubber circle unbalance stress;The opposing party
Face so that connecting tube can preferably support interior rubber ring, so as to bring preferably sealing property and working stability performance.
Preferably, braiding layer is formed by warp thread and weft yarn weaving, warp thread and weft yarn use by nylon fibre and
Scribbled is made in metallic fiber.
In the gasket seal for neodymium iron boron storage vat of the present invention, the warp thread and weft yarn of braiding layer can be used by brocade
Scribbled is made in synthetic fibre fiber and metallic fiber, so as to obtain preferably elasticity and toughness.
Preferably, all warp thread and weft yarn positioned at the braiding layer of outer rubber circle external portion are circular in the shape of a spiral outer
Rubber ring appearance.
Preferably, all warp thread and weft yarn positioned at the braiding layer of at least two connecting tubes external portion are in spiral shell
Shape is revolved around at least two connecting tubes appearance.
In the gasket seal for neodymium iron boron storage vat of the present invention, the warp thread and weft yarn of braiding layer can in the shape of a spiral
Ground construction is in outer rubber ring or connecting tube appearance, so as to preferably bear the power at outer rubber circle or connecting tube, and then compared with
Outer rubber circle or the job stability of connecting tube are ensure that goodly.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for the airtight company of pipe fitting
The sealing ring connect.
According to the sealing ring for being used for pipe fitting and being tightly connected of the present invention, it includes the outer rubber circle being arranged concentrically and interior rubber
Circle, outer rubber circle and interior rubber ring are connected as one by least two connecting tubes being uniformly distributed circumferentially;In outer rubber circle
Portion's hollow structure is into the air storing cavity of annular shape, and interior rubber ring inner hollow is configured to the air collecting chamber of annular shape, in any connecting tube
Portion is configured with the gas flow for connecting air storing cavity and air collecting chamber;
Outer rubber circle includes following components:Natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nanometer
Zinc oxide, paraffinic base rubber softening oil, plasticizer, stearic acid;
Interior rubber ring includes following components:Natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor, promotion
Agent, zinc oxide, magnesia, stearic acid, aromatic naphtha.
The present invention's can use any of the above-described kind of gasket seal for the sealing ring that pipe fitting is tightly connected in structure, from
And identical technique effect can be brought.
In the sealing ring for being used for pipe fitting and being tightly connected of the present invention, outer rubber circle can include following components:Natural rubber,
Butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizer, stearic acid,
By the combination of such a component, outer rubber circle is enabled to possess preferable resistance to compression, explosion-proof performance, so that outer after being made
Rubber ring can preferably bear more frequently external force effect, so as to ensure that outer rubber circle can possess preferable use
Life-span and job stability.
In the sealing ring for being used for pipe fitting and being tightly connected of the present invention, interior rubber ring can include following components:Natural rubber,
Butadiene rubber, active silica flour, carbon black, sulphur, age resistor, accelerator, zinc oxide, magnesia, stearic acid, aromatic naphtha, pass through this
The combination of kind component, enables to interior rubber ring to possess preferably anti-wear performance, sealing property, elasticity etc., so that
It preferably can be coordinated with workpiece surface, and be possessed preferably with the life-span.
Preferably, the parts by weight of component are respectively included by outer rubber circle, 55~65 parts of natural rubber, butadiene rubber 15
~25 parts, 5~10 parts of nitrile rubber, 1.5~2.5 parts of titanium dioxide, 1~2 part of carbon fiber, 1~1.5 part of nano zine oxide, stone
9~11 parts of cerul rubber softening oil, 6~7 parts of plasticizer, 3~5 parts of stearic acid.
In the sealing ring for being used for pipe fitting and being tightly connected of the present invention, the weight energy of each component in outer rubber circle
Enough as described above, so as to obtain preferably physical property, to enable outer rubber circle is relatively stable to work long hours.
Preferably, the parts by weight of component are respectively included by interior rubber ring, 30~40 parts of natural rubber, butadiene rubber 45
~55 parts, 5~10 parts of active silica flour, 9~11 parts of carbon black, 2~3 parts of sulphur, 1~3 part of age resistor, 1.5~2.5 parts of accelerator,
3~4 parts of zinc oxide, 3~4 parts of magnesia, 6~9 parts of stearic acid, 2~4 parts of aromatic naphtha.
In the sealing ring for being used for pipe fitting and being tightly connected of the present invention, the weight energy of each component in interior rubber ring
Enough as described above, so as to obtain preferably physical property, to enable interior rubber ring more preferably to work long hours.
In order to overcome certain or some defects of prior art, present invention also offers a kind of vapour-pressure type gasket seal
Manufacture method.
According to the manufacture method of the vapour-pressure type gasket seal of the present invention, it comprises the following steps:
(1) the first rubber raw materials are prepared, by weight, by 55~65 parts of natural rubber, 15~25 parts of butadiene rubber, fourth
Fine 5~10 parts of rubber, 1.5~2.5 parts of titanium dioxide, 1~2 part of carbon fiber, 1~1.5 part of nano zine oxide, paraffinic base rubber are soft
3~5 parts of 9~11 parts of carburetion, 6~7 parts of plasticizer, stearic acid mixings obtain;
(2) the second rubber raw materials are prepared, by weight, by 30~40 parts of natural rubber, 45~55 parts of butadiene rubber, are lived
5~10 parts of silica flour of property, 9~11 parts of carbon black, 2~3 parts of sulphur, 1~3 part of age resistor, 1.5~2.5 parts of accelerator, zinc oxide 3~4
2~4 parts of part, 3~4 parts of magnesia, 6~9 parts of stearic acid, aromatic naphtha mixings obtain;
(3) outer rubber circle is prepared using the first rubber raw materials, and caused, outer rubber circle inner hollow is configured to annular shape
Air storing cavity, and circumferentially massiveness has at least two the first blow vents connected with air storing cavity on the inside of outer rubber circle;
(4) using rubber ring in the preparation of the second rubber raw materials, and cause, interior rubber ring inner hollow is configured to annular shape
Air collecting chamber, and it is configured with the second blow vent at corresponding any first blow vent on the outside of interior rubber ring;
(5) connecting tube is prepared using the second rubber raw materials, and caused, gas flow is configured with the middle part of connecting tube;
(6) assemble, by between any first blow vent and corresponding second blow vent by connecting tube be attached with
Air storing cavity is only connected with air collecting chamber by gas flow, and causes air storing cavity with being equipped with filling gas inside air collecting chamber simultaneously.
The manufacture method of the vapour-pressure type gasket seal of the present invention can be exclusively used in producing in any of the above-described middle gasket seal, from
And corresponding technique effect can be brought for the gasket seal after manufacture.
Preferably, the manufacture method of the vapour-pressure type gasket seal of the present invention is further comprising the steps of:(7) braiding is set
Layer, by the braiding layer formed by warp thread and weft yarn weaving located at outer rubber circle and all connection pipe surfaces.
In the manufacture method of the vapour-pressure type gasket seal of the present invention, the step that gasket seal appearance sets braiding layer is additionally included in
Suddenly, so as to obtaining the gasket seal for possessing relevant art effect.
Preferably, scribbled is made using by nylon fibre and metallic fiber in warp thread and weft yarn.
Preferably, all warp thread and weft yarn positioned at the braiding layer of outer rubber circle external portion are circular in the shape of a spiral outer
Rubber ring appearance.
Preferably, all warp thread and weft yarn positioned at the braiding layer of all connecting tube external portions are surround in the shape of a spiral
At least two connecting tubes appearance.
Preferably, the capacity of air storing cavity is 2~5 times of air collecting chamber capacity.
Preferably, the sidewall thickness of air storing cavity is 1.5~3 times of air collecting chamber sidewall thickness.
Preferably, the external diameter of connecting tube and the ratio of internal diameter are 4: 1~10: 1.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for neodymium iron boron storing
The tight mechanism of bucket.
According to the tight mechanism for neodymium iron boron storage vat of the present invention, it includes the bunghole part on staving, bung
The open-ended construction in portion has location structure, and gasket seal is provided with location structure;
Gasket seal includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber circle and interior rubber ring pass through circumferentially
Equally distributed at least two connecting tube connects as one;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, interior rubber
Cushion rubber inner hollow is configured to the air collecting chamber of annular shape, is configured with the middle part of any connecting tube for connecting air storing cavity and air collecting chamber
Gas flow;
Location structure includes the resettlement groove that is configured to of being recessed vertically by bunghole part open end portion, and resettlement groove is used to place
Outer rubber circle;Resettlement groove inwall corresponds to and is provided with placement gap at any connecting tube vertically, and placement gap is used to correspond
Ground disposes connecting tube;Resettlement groove internal wall separates are at least two catch by placement gap, at least two catch and bunghole part
The positioning table for placing interior rubber ring is configured between inwall;
The pressure ring for being used for being pressed and sealed pad is provided with resettlement groove, pressure ring corresponds to any placement gap location and is equipped with tabletting;
At least two catch axially extends the connecting portion for being configured to protrude from bunghole part openend, the connection of connecting portion outside screw
There is dead ring.
In the tight mechanism for neodymium iron boron storage vat of the present invention, gasket seal can use any of the above-described kind of sealing gasket
Piece (sealing ring), so as to bring identical technique effect.
The present invention the tight mechanism for neodymium iron boron storage vat in, by location structure, gasket seal, pressure ring and tightly
Gu the mutual cooperation of interannular so that bunghole part is when reaching predetermined station, it is only necessary to rotational fastener ring, you can so that pressure ring extruding is outer
Rubber ring, so that interior rubber ring expands and is engaged with corresponding workpiece surface to obtain preferable sealing effectiveness.Similarly, exist
When splicing is completed, it is only necessary to along reverse rotation dead ring, you can so that pressure ring is not extruding outer rubber circle, so as to which interior rubber ring is received
Contracting so that bunghole part preferably can take out at predetermined station.Pass through above-mentioned construction so that during neodymium iron boron splicing,
Air can preferably be completely cut off, so as to effectively prevent the oxidation of neodymium iron boron, ensure that the quality of neodymium iron boron will not deteriorate.
Preferably, positioning table and resettlement groove cooperate and cause outer rubber circle and interior rubber ring to remain same heart shaped
State.
In the tight mechanism for neodymium iron boron storage vat of the present invention, enough there is a height in positioning table with resettlement groove groove low energy
Degree is poor, so as to ensure that outer rubber circle and interior rubber ring remain concentric, and then enable interior rubber ring preferably with
Workpiece surface coordinates.
Preferably, the depth of resettlement groove and the difference of thickness of pressure ring are 0.2~0.8 times with air storing cavity external diameter.
In the tight mechanism for neodymium iron boron storage vat of the present invention, the difference of the depth of resettlement groove and the thickness of pressure ring is storage
0.2~0.8 times of air cavity external diameter, so that pressure ring enables to outer rubber circle to be shunk in preferred range, so as to obtain
Obtain preferably job stability and air-tightness.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for neodymium iron boron storing
The interface structure of bucket.
According to the interface structure for neodymium iron boron storage vat of the present invention, it includes the bunghole part on staving, bung
Portion's open-ended construction has stair-stepping connecting portion, and connecting portion outside screw is connected with dead ring;Connecting portion is provided with placement vertically
Gap, dead ring correspondingly dispose gap location to be provided with push rod;
Dead ring internal structure has the accommodating chamber for placing push rod, and dead ring inwall is communicated with the flexible of accommodating chamber
Mouthful, telescopically constructed at push rod self extending mouth in accommodating chamber;The accommodating chamber side-walls relative with telescopic mouth circumferentially arranged with
Head track, the gap between head track and telescopic mouth taper on the direction of rotation of dead ring, and head track is used to follow dead ring to rotate
To change the position of push rod diametrically.
In the interface structure for neodymium iron boron storage vat of the present invention, connecting portion can be linked in discharge outlet, and work as
When connecting portion is linked on discharging opening, pass through rotational fastener ring, you can so that push rod is all radially inward in the presence of head track
Shrink, so as to be pressed on discharging opening outer wall, and then bunghole part effectively can be fixed on discharge outlet.
Preferably, accommodating chamber is to be circumferentially disposed at the circular cavity inside dead ring.
In the interface structure for neodymium iron boron storage vat of the present invention,
Preferably, side contracted configurations are located in accommodating chamber telescopic mouth opening into position-limit mechanism, head track axially inward
One end be configured with limited block for coordinating with position-limit mechanism.
In the interface structure for neodymium iron boron storage vat of the present invention, by the cooperation of limited block and position-limit mechanism mechanism,
It preferably ensure that push rod will not come off at accommodating chamber, so as to obtain more preferably clamping efficiency.
Preferably, the corresponding matching face of push rod and head track is configured to inclined-plane.
In the interface structure for neodymium iron boron storage vat of the present invention, the corresponding matching face of push rod and head track can construct
Into inclined-plane, from causing can possess larger contact surface between head track and push rod so that head track can provide larger branch to push rod
Support force.
Preferably, the corresponding matching face of push rod and head track is configured to arcwall face.
In the interface structure for neodymium iron boron storage vat of the present invention, the corresponding matching face of push rod and head track can also equal structure
Arcwall face is caused, so that push rod can be slided preferably along head track.
Preferably, push rod, which is located on the end face of one end outside accommodating chamber, is configured with bulge-structure.
In the interface structure for neodymium iron boron storage vat of the present invention, push rod is located at energy on the end face of one end outside accommodating chamber
Bulge-structure is enough configured with, so that push rod can preferably compress discharging opening outer wall.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for neodymium iron boron storing
The bunghole structure of bucket.
According to the bunghole structure for neodymium iron boron storage vat of the present invention, it includes the bunghole part on staving, bung
The open-ended construction in portion has location structure, and gasket seal is provided with location structure;
Gasket seal includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber circle and interior rubber ring pass through circumferentially
Equally distributed at least two connecting tube connects as one;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, interior rubber
Cushion rubber inner hollow is configured to the air collecting chamber of annular shape, is configured with the middle part of any connecting tube for connecting air storing cavity and air collecting chamber
Gas flow;
Location structure includes the resettlement groove that is configured to of being recessed vertically by bunghole part open end portion, and resettlement groove is used to place
Outer rubber circle;Resettlement groove inwall corresponds to and is provided with placement gap at any connecting tube vertically, and placement gap is used to correspond
Ground disposes connecting tube;Resettlement groove internal wall separates are at least two catch by placement gap, at least two catch and bunghole part
The positioning table for placing interior rubber ring is configured between inwall;
The pressure ring for being used for being pressed and sealed pad is provided with resettlement groove, pressure ring corresponds to any placement gap location and is equipped with tabletting;
At least two catch axially extends the connecting portion for being configured to protrude from bunghole part openend, the connection of connecting portion outside screw
There is dead ring, dead ring corresponds to any placement gap location and is equipped with push rod;
Dead ring internal structure has the accommodating chamber for placing push rod, and dead ring inwall is communicated with the flexible of accommodating chamber
Mouthful, telescopically constructed at push rod self extending mouth in accommodating chamber;The accommodating chamber side-walls relative with telescopic mouth circumferentially arranged with
Head track, the gap between head track and telescopic mouth taper on the direction of rotation of dead ring, and head track is used to follow dead ring to rotate
To change the position of push rod diametrically.
In the bunghole structure for neodymium iron boron storage vat of the present invention, gasket seal can use any of the above-described kind of sealing gasket
Piece (sealing ring), so as to bring identical technique effect.In addition, dead ring can be used for neodymium iron boron using any of the above-described kind
The structure of dead ring in the interface structure of storage vat, so as to obtain identical technique effect.
Particular, it is important that the cooperation for passing through said structure so that gasket seal is holding the same of workpiece surface tightly vertically
When be also capable of the fixation of axial direction, so as to further ensure that sealing effectiveness, and can preferably avoid the abrasion of interior rubber ring.
In order to overcome certain or some defects of prior art, present invention also offers a kind of neodymium iron boron splicing bucket.
According to the neodymium iron boron splicing bucket of the present invention, it includes the bunghole part on staving, the open-ended construction of bunghole part
There is location structure, gasket seal is provided with location structure;
Gasket seal includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber circle and interior rubber ring pass through circumferentially
Equally distributed at least two connecting tube is connected as one, and outer rubber circle and the appearance of at least two connecting tube are configured with
One layer of braiding layer;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, and interior rubber ring inner hollow is configured to annular shape
Air collecting chamber, the gas flow for connecting air storing cavity and air collecting chamber is configured with the middle part of any connecting tube;
Location structure includes the resettlement groove that is configured to of being recessed vertically by bunghole part open end portion, and resettlement groove is used to place
Outer rubber circle;Resettlement groove inwall corresponds to and is provided with placement gap at any connecting tube vertically, and placement gap is used to correspond
Ground disposes connecting tube;Resettlement groove internal wall separates are at least two catch by placement gap, at least two catch and bunghole part
The positioning table for placing interior rubber ring is configured between inwall;
The pressure ring for being used for being pressed and sealed pad is provided with resettlement groove, pressure ring corresponds to any placement gap location and is equipped with tabletting;
At least two catch axially extends the connecting portion for being configured to protrude from bunghole part openend, the connection of connecting portion outside screw
There is dead ring.
In the neodymium iron boron splicing bucket of the present invention, gasket seal can use any of the above-described kind of gasket seal (sealing ring), from
And identical technique effect can be brought.In addition, dead ring can use any of the above-described kind of interface for being used for neodymium iron boron storage vat
The structure of dead ring in structure, so as to obtain identical technique effect.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for oxidizable powder
Material-receiving device.
According to the material-receiving device for oxidizable powder of the present invention, it includes the bunghole part on device body, bucket
The open-ended construction of oral area has location structure, and gasket seal is provided with location structure;
Gasket seal includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber circle and interior rubber ring pass through circumferentially
Equally distributed at least two connecting tube connects as one;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, interior rubber
Cushion rubber inner hollow is configured to the air collecting chamber of annular shape, is configured with the middle part of any connecting tube for connecting air storing cavity and air collecting chamber
Gas flow;
Outer rubber circle includes following components:Natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nanometer
Zinc oxide, paraffinic base rubber softening oil, plasticizer, stearic acid;
Interior rubber ring includes following components:Natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor, promotion
Agent, zinc oxide, magnesia, stearic acid, aromatic naphtha;
Location structure includes the resettlement groove that is configured to of being recessed vertically by bunghole part open end portion, and resettlement groove is used to place
Outer rubber circle;Resettlement groove inwall corresponds to and is provided with placement gap at any connecting tube vertically, and placement gap is used to correspond
Ground disposes connecting tube;Resettlement groove internal wall separates are at least two catch by placement gap, at least two catch and bunghole part
The positioning table for placing interior rubber ring is configured between inwall;
The pressure ring for being used for being pressed and sealed pad is provided with resettlement groove, pressure ring corresponds to any placement gap location and is equipped with tabletting;
At least two catch axially extends the connecting portion for being configured to protrude from bunghole part openend, the connection of connecting portion outside screw
There is dead ring.
In the material-receiving device for oxidizable powder of the present invention, gasket seal can use any of the above-described kind of gasket seal
(sealing ring), so as to bring identical technique effect.Stored up in addition, dead ring can use any of the above-described kind to be used for neodymium iron boron
The structure of dead ring in the interface structure of charging basket, so as to obtain identical technique effect.
In order to overcome certain or some defects of prior art, it is used to collect neodymium iron boron present invention also offers one kind
The storage device of magnetic.
According to the storage device for being used to collect NdFeB magnetic powder of the present invention, it includes the bung on device body
Portion, the open-ended construction of bunghole part have location structure, gasket seal are provided with location structure;
Gasket seal includes the outer rubber circle being arranged concentrically and interior rubber ring, outer rubber circle and interior rubber ring pass through circumferentially
Equally distributed at least two connecting tube is connected as one, and outer rubber circle and the appearance of at least two connecting tube are configured with
One layer of braiding layer;Outer rubber circle inner hollow is configured to the air storing cavity of annular shape, and interior rubber ring inner hollow is configured to annular shape
Air collecting chamber, the gas flow for connecting air storing cavity and air collecting chamber is configured with the middle part of any connecting tube;
Outer rubber circle includes following components:Natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nanometer
Zinc oxide, paraffinic base rubber softening oil, plasticizer, stearic acid;
Interior rubber ring includes following components:Natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor, promotion
Agent, zinc oxide, magnesia, stearic acid, aromatic naphtha;
Location structure includes the resettlement groove that is configured to of being recessed vertically by bunghole part open end portion, and resettlement groove is used to place
Outer rubber circle;Resettlement groove inwall corresponds to and is provided with placement gap at any connecting tube vertically, and placement gap is used to correspond
Ground disposes connecting tube;Resettlement groove internal wall separates are at least two catch by placement gap, at least two catch and bunghole part
The positioning table for placing interior rubber ring is configured between inwall;
The pressure ring for being used for being pressed and sealed pad is provided with resettlement groove, pressure ring corresponds to any placement gap location and is equipped with tabletting;
At least two catch axially extends the connecting portion for being configured to protrude from bunghole part openend, the connection of connecting portion outside screw
There is dead ring.
In the storage device for being used to collect NdFeB magnetic powder of the present invention, gasket seal can use any of the above-described kind of sealing
Pad (sealing ring), so as to bring identical technique effect.In addition, dead ring can be used for neodymium iron using any of the above-described kind
The structure of dead ring in the interface structure of boron storage vat, so as to obtain identical technique effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of vapour-pressure type gasket seal in embodiment 1;
Fig. 2 is the sectional schematic diagram for the gasket seal for being used for neodymium iron boron storage vat in embodiment 2;
Fig. 3 is the schematic diagram for the tight mechanism for being used for neodymium iron boron storage vat in embodiment 5;
Fig. 4 is that bunghole part is bowed to schematic diagram in embodiment 5;
Fig. 5 is the schematic diagram of pressure ring in embodiment 5;
Fig. 6 is the schematic diagram of dead ring in embodiment 6.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only the present invention is explained and and it is non-limiting.
Embodiment 1
As shown in figure 1, present embodiments provide a kind of vapour-pressure type gasket seal.It includes the outer rubber circle being arranged concentrically
110 and interior rubber ring 120, outer rubber circle 110 and interior rubber ring 120 pass through at least two connecting tubes that are uniformly distributed circumferentially
130 (in the present embodiment, the quantity of connecting tube 130 is 8) connect as one;The inner hollow of outer rubber circle 110 is configured to annulus
The air storing cavity 221 of shape, the interior inner hollow of rubber ring 120 are configured to the air collecting chamber 223 of annular shape, and any middle part of connecting tube 130 is
It is configured with the gas flow 222 for connecting air storing cavity 221 and air collecting chamber 223.
Wherein, the capacity of air storing cavity 221 can be 2~5 times of the capacity of air collecting chamber 223, the sidewall thickness energy of air storing cavity 221
Enough it is 1.5~3 times of the sidewall thickness of air collecting chamber 223, the external diameter of connecting tube 130 and the ratio of internal diameter can be 4: 1~10: 1.This
In embodiment, the capacity of air storing cavity 221 is 2.5 times of the capacity of air collecting chamber 223, and the sidewall thickness of air storing cavity 221 is air collecting chamber 223
2 times of sidewall thickness, the external diameter of connecting tube 130 and the ratio of internal diameter are 6: 1.It should be noted that provided in the present embodiment
Numerical value is only a concrete numerical value, rather than to any restriction made by the present invention, in fact, according to specific job requirement,
Above-mentioned numerical value can be selected in above-mentioned number range, so as to obtain optimal service behaviour.
Embodiment 2
As shown in Fig. 2 present embodiments provide a kind of gasket seal for neodymium iron boron storage vat, itself and embodiment 1
Difference is:Outer rubber circle 110 and the appearance of connecting tube 130 are configured with one layer of braiding layer 210.
In the present embodiment, braiding layer 210 is formed by warp thread and weft yarn weaving, and warp thread and weft yarn are used by polyamide fibre fibre
Scribbled is made in peacekeeping metallic fiber, and all warp thread and weft yarn of braiding layer 210 are in the shape of a spiral around outer rubber circle 110
With the appearance of connecting tube 130.
In the present embodiment, the nylon fibre in warp thread accounts for 85%, metallic fiber and accounts for 15%, so that warp thread possesses
Preferably elasticity and toughness;The nylon fibre of weft yarn accounts for 80%, metallic fiber and accounts for 20%, so that warp thread possesses preferably
Elasticity and intensity.In addition, the density of warp thread is more than the density of weft yarn, the yarn footpath of warp thread is less than the yarn footpath of weft yarn.The present embodiment
In, the spacing between consecutive warp is 14mm, and the spacing between adjacent weft is 21mm;The yarn footpath of warp thread is 1.8mm, the yarn footpath of weft yarn
For 2.5m.
Embodiment 3
A kind of sealing ring being tightly connected for pipe fitting is provided in the present embodiment, the difference of itself and embodiment 2 exists
In:The material of outer rubber circle 110 is by component, natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano oxygen
Change zinc, paraffinic base rubber softening oil, plasticizer, stearic acid, composition;
The material of interior rubber ring 120 by component, natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor,
Accelerator, zinc oxide, magnesia, stearic acid, aromatic naphtha, composition.
In the present embodiment, the parts by weight of each component can be respectively any one in following scope in outer rubber circle 110:
55~65 parts of natural rubber, 15~25 parts of butadiene rubber, 5~10 parts of nitrile rubber, 1.5~2.5 parts of titanium dioxide, carbon fiber 1
~2 parts, 1~1.5 part of nano zine oxide, 9~11 parts of paraffinic base rubber softening oil, 6~7 parts of plasticizer, 3~5 parts of stearic acid.
The parts by weight of each component can be respectively any one in following scope in interior rubber ring 120:Natural rubber 30
~40 parts, 45~55 parts of butadiene rubber, 5~10 parts of active silica flour, 9~11 parts of carbon black, 2~3 parts of sulphur, 1~3 part of age resistor,
1.5~2.5 parts of accelerator, 3~4 parts of zinc oxide, 3~4 parts of magnesia, 6~9 parts of stearic acid, 2~4 parts of aromatic naphtha.
Embodiment 4
A kind of manufacture method of vapour-pressure type gasket seal is provided in the present embodiment, it can pass through the increasing between different step
Subtract, and the gasket seal (sealing ring) suitable for manufacture embodiment 1 or 2 or 3.
The manufacture method of vapour-pressure type gasket seal in the present embodiment, comprises the following steps:
(1) the first rubber raw materials are prepared, by weight by 55~65 parts of natural rubber, 15~25 parts of butadiene rubber, fourth
Fine 5~10 parts of rubber, 1.5~2.5 parts of titanium dioxide, 1~2 part of carbon fiber, 1~1.5 part of nano zine oxide, paraffinic base rubber are soft
3~5 parts of 9~11 parts of carburetion, 6~7 parts of plasticizer, stearic acid mixings obtain, in this step, the specific parts by weight of each component by
The formula of required preparation determines;
(2) the second rubber raw materials are prepared, by weight by 30~40 parts of natural rubber, 45~55 parts of butadiene rubber, are lived
5~10 parts of silica flour of property, 9~11 parts of carbon black, 2~3 parts of sulphur, 1~3 part of age resistor, 1.5~2.5 parts of accelerator, zinc oxide 3~4
2~4 parts of part, 3~4 parts of magnesia, 6~9 parts of stearic acid, aromatic naphtha mixings obtain, in this step, the specific weight of each component
Part is determined by the formula of required preparation;
(3) outer rubber circle 110 is prepared using the first rubber raw materials, and caused, the inner hollow of outer rubber circle 110 is configured to justify
The air storing cavity 221 of ring-type, and the inner side of outer rubber circle 110 circumferentially massiveness have at least two connected with air storing cavity 221 the
One blow vent;
(4) using rubber ring 120 in the preparation of the second rubber raw materials, and cause, the interior inner hollow of rubber ring 120 is configured to justify
The air collecting chamber 223 of ring-type, and it is configured with the second blow vent at corresponding any first blow vent in the outside of interior rubber ring 120;
(5) connecting tube 130 is prepared using the second rubber raw materials, and caused, the middle part of connecting tube 130 is configured with gas flow
222;
(6) assemble, will be attached between any first blow vent and corresponding second blow vent by connecting tube 130 so that
Obtain air storing cavity 221 only to connect by gas flow 222 with air collecting chamber 223, and cause simultaneously in air storing cavity 221 and air collecting chamber 223
Portion is equipped with filling gas.
(7) braiding layer 210 is set, the braiding layer 210 formed by warp thread and weft yarn weaving is located at outer rubber circle 110
With all surfaces of connecting tube 130.
In the present embodiment, each design parameter for being related to gasket seal is controlled according to product to be prepared.
Embodiment 5
A kind of tight mechanism for neodymium iron boron storage vat is provided as shown in Fig. 3,4,5, in the present embodiment, it includes setting
In the bunghole part 310 on staving.Wherein, the open-ended construction of bunghole part 310 has location structure, and sealing gasket is provided with location structure
Piece 100, the gasket seal 100 in the present embodiment is using the vapour-pressure type gasket seal in embodiment 1.
Location structure includes the resettlement groove 311 that is configured to of being recessed vertically by the open end portion of bunghole part 310, resettlement groove
311 are used to place outer rubber circle 110;The inwall of resettlement groove 311 is corresponded to and is provided with vertically between 8 placements at any connecting tube 130
Gap 314, placement gap 314 are used to dispose connecting tube 130 correspondingly;The internal wall separates of resettlement groove 311 are by placement gap 314
8 catch 312, the positioning table 313 for placing interior rubber ring 120 is configured between all catch 312 and bunghole part 310 inwalls.
The pressure ring 320 for being used for being pressed and sealed pad 100, the corresponding any placement gap of pressure ring 320 are provided with resettlement groove 311
Tabletting 321 is equipped with 314;8 catch 312 axially extend equal length and are configured to protrude from the openend of bunghole part 310
Connecting portion 315, the outside screw of connecting portion 315 are connected with dead ring 330.
In the present embodiment, difference in height be present between positioning table 313 and the bottom land of resettlement groove 311, must make outer rubber so as to cooperate
Cushion rubber 110 and interior rubber ring 120 remain concentric.
In addition, the depth of resettlement groove 311 and the difference of thickness of pressure ring 320 are 0.2~0.8 times with the external diameter of air storing cavity 221,
In the present embodiment, the numerical value is 0.5.
Embodiment 6
As shown in fig. 6, providing a kind of interface structure for neodymium iron boron storage vat in the present embodiment, it includes being located at bucket
Bunghole part 310 on body.Wherein, the open-ended construction of bunghole part 310 has stair-stepping connecting portion 315, the outside screw of connecting portion 315
It is connected with dead ring 330;Connecting portion 315 is provided with placement gap 314 vertically, and dead ring 330 is provided with corresponding placement gap 314
Push rod 332.
The internal structure of dead ring 330 has the accommodating chamber 331 for placing push rod 332, and the inwall of dead ring 330 is communicated with holding
Receive the telescopic mouth of chamber 331, telescopically constructed in accommodating chamber 331 at the self extending mouth of push rod 332;Accommodating chamber 331 and telescopic mouth
Relative side-walls are circumferentially arranged with head track 333, and the gap between head track 333 and telescopic mouth is on the direction of rotation of dead ring 330
Taper into, head track 333 is used to follow dead ring 330 to rotate to change the position of push rod 332 diametrically.
In the present embodiment, accommodating chamber 331 is to be circumferentially disposed at the circular cavity inside dead ring 330, and telescopic mouth is opened
Into position-limit mechanism 334, one end that head track 333 is located in accommodating chamber 331 is configured with to be used for side contracted configurations axially inward at mouthful
The limited block coordinated with position-limit mechanism 334.
In addition, the corresponding matching face of push rod 332 and head track 333 can be configured to inclined-plane or arcwall face, in the present embodiment
It is configured to arcwall face.
In the present embodiment, push rod 332, which is located on the end face of one end outside accommodating chamber 331, is also configured with bulge-structure (in figure
It is not shown).
Embodiment 7
A kind of bunghole structure for neodymium iron boron storage vat is present embodiments provided, the difference of itself and embodiment 5 exists
In:Dead ring 330 is the structure in embodiment 6.
Embodiment 8
A kind of neodymium iron boron splicing bucket is present embodiments provided, the difference of itself and embodiment 7 is:Gasket seal 100
Using the gasket seal in embodiment 2.
Embodiment 9
A kind of material-receiving device for oxidizable powder is present embodiments provided, the difference of itself and embodiment 7 is:
Gasket seal 100 is using the sealing ring in embodiment 3, but the appearance of gasket seal 100 does not set braiding layer 210.
Embodiment 10
Present embodiments provide a kind of storage device for being used to collect NdFeB magnetic powder, its difference with embodiment 7
It is:Gasket seal 100 is using the sealing ring in embodiment 3.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical scheme
Similar frame mode and embodiment, protection scope of the present invention all should be belonged to.
Claims (6)
1. the sealing ring being tightly connected for pipe fitting, it is characterised in that:Including the outer rubber circle (110) being arranged concentrically and interior rubber
Enclose (120), outer rubber circle (110) and interior rubber ring (120) are connected by least two connecting tubes (130) being uniformly distributed circumferentially
It is connected in one;Outer rubber circle (110) inner hollow is configured to the air storing cavity (221) of annular shape, interior rubber ring (120) inner hollow
The air collecting chamber (223) of annular shape is configured to, is configured with the middle part of any connecting tube (130) for connecting air storing cavity (221) and collection
The gas flow (222) of air cavity (223);Interior rubber ring is sealing surface, and outer rubber circle is compressive plane;Outer rubber circle be used for by
During the extruding force of workpiece, interior rubber ring expansion is set to seal the gap between workpiece;
Outer rubber circle (110) includes following components:Natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nanometer
Zinc oxide, paraffinic base rubber softening oil, plasticizer, stearic acid;
Interior rubber ring (120) includes following components:Natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resistor, rush
Enter agent, zinc oxide, magnesia, stearic acid, aromatic naphtha.
2. the sealing ring according to claim 1 being tightly connected for pipe fitting, it is characterised in that:Outer rubber circle (110) institute
Parts by weight including component are respectively 55~65 parts of natural rubber, 15~25 parts of butadiene rubber, 5~10 parts of nitrile rubber, dioxy
Change 1.5~2.5 parts of titanium, 1~2 part of carbon fiber, 1~1.5 part of nano zine oxide, 9~11 parts of paraffinic base rubber softening oil, plasticizer
6~7 parts, 3~5 parts of stearic acid.
3. the sealing ring according to claim 1 or 2 being tightly connected for pipe fitting, it is characterised in that:Interior rubber ring (120)
The parts by weight of included component are respectively 30~40 parts of natural rubber, 45~55 parts of butadiene rubber, 5~10 parts of active silica flour, charcoal
Black 9~11 parts, 2~3 parts of sulphur, 1~3 part of age resistor, 1.5~2.5 parts of accelerator, 3~4 parts of zinc oxide, 3~4 parts of magnesia,
6~9 parts of stearic acid, 2~4 parts of aromatic naphtha.
4. the sealing ring according to claim 3 being tightly connected for pipe fitting, it is characterised in that:The appearance of air storing cavity (221)
Measure as 2~5 times of air collecting chamber (223) capacity.
5. the sealing ring according to claim 4 being tightly connected for pipe fitting, it is characterised in that:The side of air storing cavity (221)
Wall thickness is 1.5~3 times of air collecting chamber (223) sidewall thickness.
6. the sealing ring according to claim 5 being tightly connected for pipe fitting, it is characterised in that:Outside connecting tube (130)
The ratio of footpath and internal diameter is 4:1~10:1.
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CN107189122B (en) * | 2017-06-22 | 2018-10-12 | 河北科技大学 | A kind of carbon fiber-based puncture resistant rubber composite material and preparation method thereof |
CN110426574B (en) * | 2019-07-29 | 2020-07-03 | 南京瑞贻电子科技有限公司 | Waterproof shell of wave recorder |
CN111981125B (en) * | 2020-08-11 | 2022-07-29 | 莱州市金城橡胶制品有限责任公司 | High-strength high-resilience low-temperature-resistant sealing ring and preparation method thereof |
CN112480489A (en) * | 2020-12-01 | 2021-03-12 | 际华三五一七橡胶制品有限公司 | Oil-resistant sealing ring rubber material and preparation method thereof |
CN112480488A (en) * | 2020-12-01 | 2021-03-12 | 际华三五一七橡胶制品有限公司 | Oil-resistant supporting sealing ring rubber material and preparation method thereof |
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CN105422857A (en) | 2016-03-23 |
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