CN105402402A - Pneumatic type sealing gasket - Google Patents
Pneumatic type sealing gasket Download PDFInfo
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- CN105402402A CN105402402A CN201510725891.1A CN201510725891A CN105402402A CN 105402402 A CN105402402 A CN 105402402A CN 201510725891 A CN201510725891 A CN 201510725891A CN 105402402 A CN105402402 A CN 105402402A
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Abstract
The invention relates to the technical field of NdFeB production equipment, in particular to a pneumatic type sealing gasket. The pneumatic type sealing gasket comprises an outer rubber ring and an inner rubber ring arranged concentrically, wherein the outer rubber ring and the inner rubber ring are connected into a whole through at least two connecting pipes evenly distributed in the peripheral direction; the inside of the outer rubber ring is hollow to form an annular air storage cavity; the inside of the inner rubber ring is hollow to form an annular air collecting cavity; an air runner used for communicating the air storage cavity with the air collecting cavity is formed in the middle of any connecting pipe. The pneumatic type sealing gasket is easy and convenient to use and capable of achieving good sealing performance.
Description
Technical field
The present invention relates to neodymium iron boron manufacturing mechanism technical field, specifically, relate to a kind of pneumatic-typed gasket seal.
Background technique
Neodymium-iron-boron magnetic material, as the latest result of rare earth permanent-magnetic material development, is called as due to the magnetic property of its excellence " magnetic king ".Neodymium-iron-boron magnetic material is praseodymium neodymium metal, and the alloy of ferro-boron etc., also known as magnet steel.Neodymium iron boron has high magnetic energy product, coercivity and energy density, and it is applied widely in modern industry and electronic technology, makes the miniaturization of the equipment such as instrument and apparatus, electroacoustic motor, magnetic separation magnetization, lightweight, slimming become possibility.
Containing a large amount of rear earth element nd, iron and boron in neodymium iron boron, its characteristic is hard and crisp.The advantage of neodymium iron boron is that cost performance is high, the mechanical property that tool is good; Deficiency is that operating temperature is low, and temperature characteristic is poor, and is easy to dusting corrosion and very easily oxidized.
In existing neodymium iron boron manufacturing process, employing charging basket is usually needed to carry out splicing, storing to the NdFeB magnetic powder exported from airflow milling discharge outlet.Charging basket comparatively conventional at present is generally made up of a cylindrical shape staving, this charging basket is provided with the material receiving port matched with the discharge port of airflow milling, although it comparatively conveniently can carry out splicing to neodymium iron boron, but because neodymium iron boron itself is very easily oxidized, and such barrel cannot completely cut off air while splicing, thus cause the very big reduction of neodymium iron boron quality.
Cause having its source in of the problems referred to above: lack a kind of special in the barrel used in such as neodymium iron boron splicing process in prior art, and lack a kind of can fast, still can possess the sealing mechanism of better sealability in repeatedly disassemble or assemble process.
Summary of the invention
In order to certain or some defect of prior art can be overcome, the invention provides a kind of pneumatic-typed gasket seal.
According to pneumatic-typed gasket seal of the present invention, it comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube.
In use, interior rubber ring is sealing surface to pneumatic-typed gasket seal of the present invention, and outer rubber circle is compressive plane, thus preferably can apply to the airtight connection between interface.Due at the lower outside rubber ring of conventional sense not by external force, therefore interior rubber ring can not produce because contacting with workpiece surface and weares and teares in assembling or unloading process.And when two workpiece are in connection station, because outer rubber circle can be subject to the extruding force of workpiece, thus the gap interior rubber ring being expanded and seals between workpiece, thus preferably sealability is provided.Pneumatic-typed gasket seal of the present invention can adapt to the working environment of high frequency disassemble or assemble.
As preferably, the capacity of air storing cavity is 2 ~ 5 times of air collecting chamber capacity.
In pneumatic-typed gasket seal of the present invention, the capacity of air storing cavity can be 2 ~ 5 times of air collecting chamber capacity, thus preferably can expand at guarantee air collecting chamber thus bring preferably while sealability, also avoid the potential safety hazard brought because of air collecting chamber overinflation and sealability to decline.
As preferably, the sidewall thickness of air storing cavity is 1.5 ~ 3 times of air collecting chamber sidewall thickness.
In pneumatic-typed gasket seal of the present invention, the sidewall thickness of air storing cavity can be 1.5 ~ 3 times of air collecting chamber sidewall thickness, this structure: make air storing cavity when being squeezed on the one hand, and the gas in air storing cavity can preferably flow in air collecting chamber through gas flow; On the other hand when the external force at air storing cavity place disappears, the gas in air collecting chamber can preferably be back in air storing cavity, thus interior rubber ring can be made to shrink rapidly, and then preferably can avoid the wearing and tearing of interior rubber ring.
As preferably, the external diameter of connecting tube and the ratio of internal diameter are 4: 1 ~ 10: 1.
In pneumatic-typed gasket seal of the present invention, the external diameter of connecting tube and the ratio of internal diameter can be 4: 1 ~ 10: 1, thus it is inner to make interior rubber ring preferably can be supported on outer rubber circle, and then can obtain preferably working stability.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of gasket seal for neodymium iron boron storage vat.
According to the gasket seal for neodymium iron boron storage vat of the present invention, it comprises the outer rubber circle and interior rubber ring that arrange with one heart, outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially, and the appearance of outer rubber circle and described at least two connecting tubes is all configured with one deck braid; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube.
Gasket seal for neodymium iron boron storage vat of the present invention can comprise any one pneumatic-typed gasket seal above-mentioned, thus can bring identical technique effect.
In addition, because the appearance of outer rubber circle and all connecting tubes all can be configured with one deck braid, thus greatly can promote the intensity of outer rubber circle and connecting tube, and then, make on the one hand outer rubber circle preferably repeatedly can bear external force extruding, and can prevent from causing because of outer rubber circle unbalance stress interior rubber ring can not preferably Expansion sealing; On the other hand, make connecting tube can preferably support interior rubber ring, thus bring preferably sealability and working stability performance.
As preferably, braid is formed by warp thread and weft yarn weaving, and warp thread and weft yarn all adopt makes scribbled by nylon fibre and steel fiber.
In gasket seal for neodymium iron boron storage vat of the present invention, the warp thread of braid and weft yarn all can adopt and make scribbled by nylon fibre and steel fiber, thus can obtain preferably elasticity and toughness.
As preferably, be positioned at all warp thread of the braid of outer rubber circle external portion and weft yarn all in the shape of a spiral around outer rubber circle appearance.
As preferably, all warp thread of the braid of at least two connecting tube external portion described in being positioned at and weft yarn are all in the shape of a spiral around described at least two connecting tube appearances.
In gasket seal for neodymium iron boron storage vat of the present invention, the warp thread of braid and weft yarn all spirally can be configured in outer rubber circle or connecting tube appearance, thus preferably can bear the power at outer rubber circle or connecting tube place, and then preferably ensure that the working stability of outer rubber circle or connecting tube.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of seal ring be tightly connected for pipe fitting.
According to the seal ring be tightly connected for pipe fitting of the present invention, it comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Outer rubber circle comprises following component: natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizing agent, stearic acid;
Interior rubber ring comprises following component: natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resister, promoter, zine oxide, magnesium oxide, stearic acid, aromatic naphtha.
The seal ring be tightly connected for pipe fitting of the present invention structurally can adopt any one gasket seal above-mentioned, thus can bring identical technique effect.
In the seal ring be tightly connected for pipe fitting of the present invention, outer rubber circle can comprise following component: natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizing agent, stearic acid, by the combination of this kind of component, outer rubber circle can be made to possess preferably resistance to compression, explosion-proof performance, thus make the outer rubber circle after making can preferably bear External Force Acting comparatively frequently, thus can ensure that outer rubber circle can possess preferably working life and working stability.
In the seal ring be tightly connected for pipe fitting of the present invention, interior rubber ring can comprise following component: natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resister, promoter, zine oxide, magnesium oxide, stearic acid, aromatic naphtha, by the combination of this kind of component, interior rubber ring can be made can to possess preferably wear-resisting property, sealability, elasticity etc., thus it can preferably be coordinated with workpiece surface, and possesses preferably working life.
As preferably, included by outer rubber circle, the weight portion of component is respectively, natural rubber 55 ~ 65 parts, butadiene rubber 15 ~ 25 parts, nitrile rubber 5 ~ 10 parts, titanium dioxide 1.5 ~ 2.5 parts, 1 ~ 2 part, carbon fiber, nano zine oxide 1 ~ 1.5 part, paraffinic base rubber softening oil 9 ~ 11 parts, 6 ~ 7 parts, plasticizing agent, stearic acid 3 ~ 5 parts.
In the seal ring be tightly connected for pipe fitting of the present invention, the weight of each component in outer rubber circle as above-mentioned, thus can obtain preferably physical property, to make outer rubber circle can comparatively stable working long hours.
As preferably, included by interior rubber ring, the weight portion of component is respectively, natural rubber 30 ~ 40 parts, butadiene rubber 45 ~ 55 parts, active silica flour 5 ~ 10 parts, carbon black 9 ~ 11 parts, 2 ~ 3 parts, sulphur, 1 ~ 3 part, age resister, promoter 1.5 ~ 2.5 parts, 3 ~ 4 parts, zine oxide, 3 ~ 4 parts, magnesium oxide, stearic acid 6 ~ 9 parts, aromatic naphtha 2 ~ 4 parts.
In the seal ring be tightly connected for pipe fitting of the present invention, the weight of each component in interior rubber ring as above-mentioned, thus can obtain preferably physical property, can comparatively preferably work long hours to make interior rubber ring.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of manufacture method of pneumatic-typed gasket seal.
According to the manufacture method of pneumatic-typed gasket seal of the present invention, it comprises the following steps:
(1) the first rubber raw materials is prepared, by weight, by natural rubber 55 ~ 65 parts, butadiene rubber 15 ~ 25 parts, nitrile rubber 5 ~ 10 parts, titanium dioxide 1.5 ~ 2.5 parts, 1 ~ 2 part, carbon fiber, nano zine oxide 1 ~ 1.5 part, paraffinic base rubber softening oil 9 ~ 11 parts, 6 ~ 7 parts, plasticizing agent, stearic acid 3 ~ 5 parts is mixing obtains;
(2) prepare the second rubber raw materials, by weight by natural rubber 30 ~ 40 parts, butadiene rubber 45 ~ 55 parts, active silica flour 5 ~ 10 parts, carbon black 9 ~ 11 parts, 2 ~ 3 parts, sulphur, 1 ~ 3 part, age resister, promoter 1.5 ~ 2.5 parts, 3 ~ 4 parts, zine oxide, 3 ~ 4 parts, magnesium oxide, stearic acid 6 ~ 9 parts, aromatic naphtha 2 ~ 4 parts is mixing obtains;
(3) adopt the first rubber raw materials to prepare outer rubber circle, and make, outer rubber circle inner hollow is configured to circular air storing cavity, and circumferentially massiveness the first ventilating hole of having at least two to be communicated with air storing cavity inside outer rubber circle;
(4) adopt rubber ring in the second rubber raw materials preparation, and make, interior rubber ring inner hollow is configured to circular air collecting chamber, and outside interior rubber ring, corresponding arbitrary first ventilating hole place is all configured with the second ventilating hole;
(5) adopt the second rubber raw materials to prepare connecting tube, and make, in the middle part of connecting tube, be configured with gas flow;
(6) assemble, all undertaken connecting air storing cavity is communicated with by means of only gas flow with air collecting chamber by connecting tube by between arbitrary first ventilating hole with corresponding second ventilating hole, and make air storing cavity and air collecting chamber inside that blanketing gas is housed simultaneously.
The manufacture method of pneumatic-typed gasket seal of the present invention can be exclusively used in produces in above-mentioned arbitrary middle gasket seal, thus can bring corresponding technique effect for the gasket seal after manufacture.
As preferably, the manufacture method of pneumatic-typed gasket seal of the present invention is further comprising the steps of: (7) arrange braid, the braid by warp thread and weft yarn weaving is located at outer rubber circle and all connecting tubes surface.
In the manufacture method of pneumatic-typed gasket seal of the present invention, be also included in the step that gasket seal appearance arranges braid, thus the gasket seal possessing relevant art effect can be obtained.
As preferably, warp thread and weft yarn all adopt makes scribbled by nylon fibre and steel fiber.
As preferably, be positioned at all warp thread of the braid of outer rubber circle external portion and weft yarn all in the shape of a spiral around outer rubber circle appearance.
As preferably, be positioned at all warp thread of the braid of all connecting tube external portion and weft yarn all in the shape of a spiral around described at least two connecting tube appearances.
As preferably, the capacity of air storing cavity is 2 ~ 5 times of air collecting chamber capacity.
As preferably, the sidewall thickness of air storing cavity is 1.5 ~ 3 times of air collecting chamber sidewall thickness.
As preferably, the external diameter of connecting tube and the ratio of internal diameter are 4: 1 ~ 10: 1.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of tight mechanism for neodymium iron boron storage vat.
According to the tight mechanism for neodymium iron boron storage vat of the present invention, it comprises the bunghole part be located on staving, and the open-ended construction of bunghole part has position structure, and position structure place is provided with gasket seal;
Gasket seal comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Position structure comprises and to be caved in vertically the resettlement groove be configured to by bunghole part open end portion, and resettlement groove is for placing outer rubber circle; The corresponding arbitrary connecting tube place of resettlement groove inwall is provided with all vertically and settles gap, settles gap to be used for settling connecting tube correspondingly; Settling gap to be at least two catch by resettlement groove internal wall separates, between described at least two catch and bunghole part inwall, being configured with the positioning table for placing interior rubber ring;
Resettlement groove place is provided with the pressure ring for compacting gasket seal, and the corresponding arbitrary arrangement gap location of pressure ring is equipped with compressing tablet; Described at least two catch vertically extended configuration become to protrude from the joint of bunghole part opening end, and joint outside screw is connected with retaining ring.
In tight mechanism for neodymium iron boron storage vat of the present invention, gasket seal can adopt above-mentioned any one gasket seal (seal ring), thus can bring identical technique effect.
In tight mechanism for neodymium iron boron storage vat of the present invention, by cooperatively interacting between position structure, gasket seal, pressure ring and retaining ring, make bunghole part when arriving predetermined station, only need rotational fastener ring, pressure ring can be made to extrude outer rubber circle, thus make interior rubber ring expand and match to obtain preferably sealing effect with corresponding workpiece surface.In like manner, when splicing completes, only need along counterrotating retaining ring, pressure ring can be made not at extruding outer rubber circle, thus interior rubber ring shrinks, bunghole part can preferably be taken out from predetermined station.By above-mentioned structure, make, in neodymium iron boron splicing process, preferably to completely cut off air, thus effectively prevent the oxidation of neodymium iron boron, ensure that the quality of neodymium iron boron can not become bad.
As preferably, positioning table and resettlement groove cooperatively interact and make outer rubber circle and interior rubber ring remain concentric.
In tight mechanism for neodymium iron boron storage vat of the present invention, positioning table and resettlement groove groove is low can there is a height difference, thus ensure that outer rubber circle and interior rubber ring remain concentric, and then interior rubber ring can preferably be coordinated with workpiece surface.
As preferably, the difference of the degree of depth of resettlement groove and the thickness of pressure ring is and 0.2 ~ 0.8 of air storing cavity external diameter times.
In tight mechanism for neodymium iron boron storage vat of the present invention, the difference of the degree of depth of resettlement groove and the thickness of pressure ring is 0.2 ~ 0.8 times of air storing cavity external diameter, thus make pressure ring that outer rubber circle can be made to shrink in preferred range, thus obtain preferably working stability and tightness.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of interface structure for neodymium iron boron storage vat.
According to the interface structure for neodymium iron boron storage vat of the present invention, it comprises the bunghole part be located on staving, and bunghole part open-ended construction has stair-stepping joint, and joint outside screw is connected with retaining ring; Joint is provided with vertically settles gap, and retaining ring correspondence settles gap location to be provided with push rod;
Retaining ring internal structure has the receiving cavity for placing push rod, and retaining ring inwall is provided with the telescopic mouth being communicated with receiving cavity, and push rod self extending mouth place telescopically is configured in receiving cavity; The side-walls that receiving cavity is relative with telescopic mouth is circumferentially provided with head track, and the gap between head track and telescopic mouth diminishes gradually in the sense of rotation of retaining ring, and head track rotates for following retaining ring to change push rod position diametrically.
In interface structure for neodymium iron boron storage vat of the present invention, joint can be linked in discharge outlet, and when joint is linked on discharge port, by rotational fastener ring, push rod can be made radially to shrink to inner circumferential under the effect of head track, thus be pressed on discharge port outer wall, and then effectively bunghole part can be fixed on discharge outlet.
As preferably, receiving cavity is the circular cavity being circumferentially arranged on retaining ring inside.
In interface structure for neodymium iron boron storage vat of the present invention,
As preferably, telescopic mouth opening vertically to the inside contracted configurations become position-limit mechanism, one end that head track is positioned at receiving cavity is configured with the limiting stopper for coordinating with position-limit mechanism.
In interface structure for neodymium iron boron storage vat of the present invention, by coordinating of limiting stopper and position-limit mechanism mechanism, preferably ensure that push rod can not come off from receiving cavity, thus better clamping efficiency can be obtained.
As preferably, the corresponding matching face of push rod and head track is all configured to inclined-plane.
In interface structure for neodymium iron boron storage vat of the present invention, the corresponding matching face of push rod and head track all can be configured to inclined-plane, from making can possess larger surface of contact between head track and push rod, makes head track can provide larger support force to push rod.
As preferably, the corresponding matching face of push rod and head track is all configured to arc shaped surface.
In interface structure for neodymium iron boron storage vat of the present invention, the corresponding matching face of push rod and head track all can also be configured to arc shaped surface, thus push rod can preferably be slided along head track.
As preferably, the end face that push rod is positioned at the one end outside receiving cavity is configured with protruding structure.
In interface structure for neodymium iron boron storage vat of the present invention, the end face that push rod is positioned at the one end outside receiving cavity can be configured with protruding structure, thus make push rod can preferably compress discharge port outer wall.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of bunghole structure for neodymium iron boron storage vat.
According to the bunghole structure for neodymium iron boron storage vat of the present invention, it comprises the bunghole part be located on staving, and the open-ended construction of bunghole part has position structure, and position structure place is provided with gasket seal;
Gasket seal comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Position structure comprises and to be caved in vertically the resettlement groove be configured to by bunghole part open end portion, and resettlement groove is for placing outer rubber circle; The corresponding arbitrary connecting tube place of resettlement groove inwall is provided with all vertically and settles gap, settles gap to be used for settling connecting tube correspondingly; Settling gap to be at least two catch by resettlement groove internal wall separates, between described at least two catch and bunghole part inwall, being configured with the positioning table for placing interior rubber ring;
Resettlement groove place is provided with the pressure ring for compacting gasket seal, and the corresponding arbitrary arrangement gap location of pressure ring is equipped with compressing tablet; Described at least two catch vertically extended configuration become to protrude from the joint of bunghole part opening end, and joint outside screw is connected with retaining ring, and the corresponding arbitrary arrangement gap location of retaining ring is equipped with push rod;
Retaining ring internal structure has the receiving cavity for placing push rod, and retaining ring inwall is provided with the telescopic mouth being communicated with receiving cavity, and push rod self extending mouth place telescopically is configured in receiving cavity; The side-walls that receiving cavity is relative with telescopic mouth is circumferentially provided with head track, and the gap between head track and telescopic mouth diminishes gradually in the sense of rotation of retaining ring, and head track rotates for following retaining ring to change push rod position diametrically.
In bunghole structure for neodymium iron boron storage vat of the present invention, gasket seal can adopt above-mentioned any one gasket seal (seal ring), thus can bring identical technique effect.In addition, retaining ring can adopt any one structure for the retaining ring in the interface structure of neodymium iron boron storage vat above-mentioned, thus can obtain identical technique effect.
Significantly, by the cooperation of said structure, what it is such that gasket seal also can be axial while holding workpiece surface tightly vertically is fixing, thus ensure that sealing effect further, and preferably can avoid the wearing and tearing of interior rubber ring.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of neodymium iron boron splicing bucket.
According to neodymium iron boron splicing bucket of the present invention, it comprises the bunghole part be located on staving, and the open-ended construction of bunghole part has position structure, and position structure place is provided with gasket seal;
Gasket seal comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially, and the appearance of outer rubber circle and described at least two connecting tubes is all configured with one deck braid; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Position structure comprises and to be caved in vertically the resettlement groove be configured to by bunghole part open end portion, and resettlement groove is for placing outer rubber circle; The corresponding arbitrary connecting tube place of resettlement groove inwall is provided with all vertically and settles gap, settles gap to be used for settling connecting tube correspondingly; Settling gap to be at least two catch by resettlement groove internal wall separates, between described at least two catch and bunghole part inwall, being configured with the positioning table for placing interior rubber ring;
Resettlement groove place is provided with the pressure ring for compacting gasket seal, and the corresponding arbitrary arrangement gap location of pressure ring is equipped with compressing tablet; Described at least two catch vertically extended configuration become to protrude from the joint of bunghole part opening end, and joint outside screw is connected with retaining ring.
In neodymium iron boron splicing bucket of the present invention, gasket seal can adopt above-mentioned any one gasket seal (seal ring), thus can bring identical technique effect.In addition, retaining ring can adopt any one structure for the retaining ring in the interface structure of neodymium iron boron storage vat above-mentioned, thus can obtain identical technique effect.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of material-receiving device for oxidizable powder.
According to the material-receiving device for oxidizable powder of the present invention, it comprises the bunghole part be located on device body, and the open-ended construction of bunghole part has position structure, and position structure place is provided with gasket seal;
Gasket seal comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Outer rubber circle comprises following component: natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizing agent, stearic acid;
Interior rubber ring comprises following component: natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resister, promoter, zine oxide, magnesium oxide, stearic acid, aromatic naphtha;
Position structure comprises and to be caved in vertically the resettlement groove be configured to by bunghole part open end portion, and resettlement groove is for placing outer rubber circle; The corresponding arbitrary connecting tube place of resettlement groove inwall is provided with all vertically and settles gap, settles gap to be used for settling connecting tube correspondingly; Settling gap to be at least two catch by resettlement groove internal wall separates, between described at least two catch and bunghole part inwall, being configured with the positioning table for placing interior rubber ring;
Resettlement groove place is provided with the pressure ring for compacting gasket seal, and the corresponding arbitrary arrangement gap location of pressure ring is equipped with compressing tablet; Described at least two catch vertically extended configuration become to protrude from the joint of bunghole part opening end, and joint outside screw is connected with retaining ring.
In material-receiving device for oxidizable powder of the present invention, gasket seal can adopt above-mentioned any one gasket seal (seal ring), thus can bring identical technique effect.In addition, retaining ring can adopt any one structure for the retaining ring in the interface structure of neodymium iron boron storage vat above-mentioned, thus can obtain identical technique effect.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of storage device for collecting NdFeB magnetic powder.
According to the storage device for collecting NdFeB magnetic powder of the present invention, it comprises the bunghole part be located on device body, and the open-ended construction of bunghole part has position structure, and position structure place is provided with gasket seal;
Gasket seal comprises the outer rubber circle and interior rubber ring that arrange with one heart, and outer rubber circle and interior rubber ring are connected as one by least two connecting tubes be uniformly distributed circumferentially, and the appearance of outer rubber circle and described at least two connecting tubes is all configured with one deck braid; Outer rubber circle inner hollow is configured to circular air storing cavity, and interior rubber ring inner hollow is configured to circular air collecting chamber, is all configured with the gas flow for being communicated with air storing cavity and air collecting chamber in the middle part of arbitrary connecting tube;
Outer rubber circle comprises following component: natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizing agent, stearic acid;
Interior rubber ring comprises following component: natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resister, promoter, zine oxide, magnesium oxide, stearic acid, aromatic naphtha;
Position structure comprises and to be caved in vertically the resettlement groove be configured to by bunghole part open end portion, and resettlement groove is for placing outer rubber circle; The corresponding arbitrary connecting tube place of resettlement groove inwall is provided with all vertically and settles gap, settles gap to be used for settling connecting tube correspondingly; Settling gap to be at least two catch by resettlement groove internal wall separates, between described at least two catch and bunghole part inwall, being configured with the positioning table for placing interior rubber ring;
Resettlement groove place is provided with the pressure ring for compacting gasket seal, and the corresponding arbitrary arrangement gap location of pressure ring is equipped with compressing tablet; Described at least two catch vertically extended configuration become to protrude from the joint of bunghole part opening end, and joint outside screw is connected with retaining ring.
Of the present invention for collecting in the storage device of NdFeB magnetic powder, gasket seal can adopt above-mentioned any one gasket seal (seal ring), thus can bring identical technique effect.In addition, retaining ring can adopt any one structure for the retaining ring in the interface structure of neodymium iron boron storage vat above-mentioned, thus can obtain identical technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of pneumatic-typed gasket seal in embodiment 1;
Fig. 2 is the sectional schematic diagram for the gasket seal of neodymium iron boron storage vat in embodiment 2;
Fig. 3 is the schematic diagram for the tight mechanism of neodymium iron boron storage vat in embodiment 5;
Fig. 4 be in embodiment 5 bunghole part bow to schematic diagram;
Fig. 5 is the schematic diagram of pressure ring in embodiment 5;
Fig. 6 is the schematic diagram of retaining ring in embodiment 6.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should be understood that, embodiment makes an explanation to the present invention and and non-limiting.
Embodiment 1
As shown in Figure 1, a kind of pneumatic-typed gasket seal is present embodiments provided.It comprises the outer rubber circle 110 and interior rubber ring 120 that arrange with one heart, and outer rubber circle 110 and interior rubber ring 120 are connected as one by least two connecting tubes 130 (in the present embodiment, the quantity of connecting tube 130 is 8) be uniformly distributed circumferentially; Outer rubber circle 110 inner hollow is configured to circular air storing cavity 221, and interior rubber ring 120 inner hollow is configured to circular air collecting chamber 223, is all configured with the gas flow 222 for being communicated with air storing cavity 221 and air collecting chamber 223 in the middle part of arbitrary connecting tube 130.
Wherein, the capacity of air storing cavity 221 can be 2 ~ 5 times of air collecting chamber 223 capacity, and the sidewall thickness of air storing cavity 221 can be 1.5 ~ 3 times of air collecting chamber 223 sidewall thickness, and the external diameter of connecting tube 130 and the ratio of internal diameter can be 4: 1 ~ 10: 1.In the present embodiment, the capacity of air storing cavity 221 is 2.5 times of air collecting chamber 223 capacity, and the sidewall thickness of air storing cavity 221 is 2 times of air collecting chamber 223 sidewall thickness, and the external diameter of connecting tube 130 and the ratio of internal diameter are 6: 1.It should be noted that the numerical value provided in the present embodiment is only a concrete numerical value, but not to any restriction done by the present invention, in fact, according to concrete job requirement, above-mentioned numerical value can be selected in above-mentioned number range, thus obtains optimum service behaviour.
Embodiment 2
As shown in Figure 2, present embodiments provide a kind of gasket seal for neodymium iron boron storage vat, the difference of itself and embodiment 1 is: outer rubber circle 110 is all configured with one deck braid 210 with the appearance of connecting tube 130.
In the present embodiment, braid 210 is formed by warp thread and weft yarn weaving, warp thread and weft yarn all adopt makes scribbled by nylon fibre and steel fiber, and all warp thread of braid 210 and weft yarn are all in the shape of a spiral around the appearance of outer rubber circle 110 and connecting tube 130.
In the present embodiment, the nylon fibre in warp thread accounts for 85%, steel fiber accounts for 15%, thus makes warp thread possess preferably elasticity and toughness; The nylon fibre of weft yarn accounts for 80%, steel fiber accounts for 20%, thus makes warp thread possess preferably elasticity and intensity.In addition, the density of warp thread is greater than the density of weft yarn, and the yarn footpath of warp thread is less than the yarn footpath of weft yarn.In the present embodiment, the spacing between consecutive warp is 14mm, and the spacing between adjacent weft is 21mm; The yarn footpath of warp thread is 1.8mm, and the yarn footpath of weft yarn is 2.5m.
Embodiment 3
A kind of seal ring be tightly connected for pipe fitting is provided in the present embodiment, the difference of itself and embodiment 2 is: the material of outer rubber circle 110 is by component, natural rubber, butadiene rubber, nitrile rubber, titanium dioxide, carbon fiber, nano zine oxide, paraffinic base rubber softening oil, plasticizing agent, stearic acid, composition;
The material of interior rubber ring 120 is by component, and natural rubber, butadiene rubber, active silica flour, carbon black, sulphur, age resister, promoter, zine oxide, magnesium oxide, stearic acid, aromatic naphtha, form.
In the present embodiment, in outer rubber circle 110, the weight portion of each component can be respectively any one in following scope: natural rubber 55 ~ 65 parts, butadiene rubber 15 ~ 25 parts, nitrile rubber 5 ~ 10 parts, titanium dioxide 1.5 ~ 2.5 parts, 1 ~ 2 part, carbon fiber, nano zine oxide 1 ~ 1.5 part, paraffinic base rubber softening oil 9 ~ 11 parts, 6 ~ 7 parts, plasticizing agent, stearic acid 3 ~ 5 parts.
In interior rubber ring 120, the weight portion of each component can be respectively any one in following scope: natural rubber 30 ~ 40 parts, butadiene rubber 45 ~ 55 parts, active silica flour 5 ~ 10 parts, carbon black 9 ~ 11 parts, 2 ~ 3 parts, sulphur, 1 ~ 3 part, age resister, promoter 1.5 ~ 2.5 parts, 3 ~ 4 parts, zine oxide, 3 ~ 4 parts, magnesium oxide, stearic acid 6 ~ 9 parts, aromatic naphtha 2 ~ 4 parts.
Embodiment 4
Provide a kind of manufacture method of pneumatic-typed gasket seal in the present embodiment, it can by the increase and decrease between different step, and be applicable to manufacture the gasket seal (seal ring) in embodiment 1 or 2 or 3.
The manufacture method of the pneumatic-typed gasket seal in the present embodiment, comprises the following steps:
(1) the first rubber raw materials is prepared, by weight by natural rubber 55 ~ 65 parts, butadiene rubber 15 ~ 25 parts, nitrile rubber 5 ~ 10 parts, titanium dioxide 1.5 ~ 2.5 parts, 1 ~ 2 part, carbon fiber, nano zine oxide 1 ~ 1.5 part, paraffinic base rubber softening oil 9 ~ 11 parts, 6 ~ 7 parts, plasticizing agent, stearic acid 3 ~ 5 parts is mixing obtains, in this step, the concrete weight portion of each component is determined by the formula of required preparation;
(2) the second rubber raw materials is prepared, by weight by natural rubber 30 ~ 40 parts, butadiene rubber 45 ~ 55 parts, active silica flour 5 ~ 10 parts, carbon black 9 ~ 11 parts, 2 ~ 3 parts, sulphur, 1 ~ 3 part, age resister, promoter 1.5 ~ 2.5 parts, 3 ~ 4 parts, zine oxide, 3 ~ 4 parts, magnesium oxide, stearic acid 6 ~ 9 parts, aromatic naphtha 2 ~ 4 parts is mixing obtains, in this step, the concrete weight portion of each component is determined by the formula of required preparation;
(3) the first rubber raw materials is adopted to prepare outer rubber circle 110, and make, outer rubber circle 110 inner hollow is configured to circular air storing cavity 221, and inside outer rubber circle 110 circumferentially massiveness have at least two the first ventilating holes be communicated with air storing cavity 221;
(4) adopt rubber ring 120 in the second rubber raw materials preparation, and make, interior rubber ring 120 inner hollow is configured to circular air collecting chamber 223, and outside interior rubber ring 120, corresponding arbitrary first ventilating hole place is all configured with the second ventilating hole;
(5) adopt the second rubber raw materials to prepare connecting tube 130, and make, in the middle part of connecting tube 130, be configured with gas flow 222;
(6) assemble, all undertaken connecting air storing cavity 221 is communicated with by means of only gas flow 222 with air collecting chamber 223 by connecting tube 130 by between arbitrary first ventilating hole with corresponding second ventilating hole, and make air storing cavity 221 and air collecting chamber 223 inside that blanketing gas is housed simultaneously.
(7) braid 210 is set, the braid 210 by warp thread and weft yarn weaving is located at outer rubber circle 110 and all connecting tube 130 surfaces.
In the present embodiment, each design parameter relating to gasket seal controls according to product to be prepared.
Embodiment 5
As shown in Fig. 3,4,5, provide a kind of tight mechanism for neodymium iron boron storage vat in the present embodiment, it comprises the bunghole part 310 be located on staving.Wherein, the open-ended construction of bunghole part 310 has position structure, and position structure place is provided with gasket seal 100, and the gasket seal 100 in the present embodiment adopts the pneumatic-typed gasket seal in embodiment 1.
Position structure comprises and to be caved in vertically the resettlement groove 311 be configured to by bunghole part 310 open end portion, and resettlement groove 311 is for placing outer rubber circle 110; Corresponding arbitrary connecting tube 130 place of resettlement groove 311 inwall is provided with 8 all vertically and settles gap 314, settles gap 314 for settling connecting tube 130 correspondingly; Settling gap 314 to be 8 catch 312 by resettlement groove 311 internal wall separates, between all catch 312 and bunghole part 310 inwall, being configured with the positioning table 313 for placing interior rubber ring 120.
Resettlement groove 311 place is provided with the pressure ring 320 for compacting gasket seal 100, and pressure ring 320 corresponding arbitrary arrangement gap 314 place is equipped with compressing tablet 321; 8 catch 312 extend the joint 315 that equal length is configured to protrude from bunghole part 310 opening end vertically, and joint 315 outside screw is connected with retaining ring 330.
In the present embodiment, between positioning table 313 and resettlement groove 311 bottom land, there is height difference, thus cooperatively interact make outer rubber circle 110 and interior rubber ring 120 remain concentric.
In addition, the difference of the degree of depth of resettlement groove 311 and the thickness of pressure ring 320 is 0.2 ~ 0.8 times with air storing cavity 221 external diameter, and in the present embodiment, this numerical value is 0.5.
Embodiment 6
As shown in Figure 6, provide a kind of interface structure for neodymium iron boron storage vat in the present embodiment, it comprises the bunghole part 310 be located on staving.Wherein, bunghole part 310 open-ended construction has stair-stepping joint 315, and joint 315 outside screw is connected with retaining ring 330; Joint 315 is provided with vertically settles gap 314, and retaining ring 330 correspondence settles gap 314 place to be provided with push rod 332.
Retaining ring 330 internal structure has the receiving cavity 331 for placing push rod 332, and retaining ring 330 inwall is provided with the telescopic mouth being communicated with receiving cavity 331, and push rod 332 self extending mouth place telescopically is configured in receiving cavity 331; The side-walls that receiving cavity 331 is relative with telescopic mouth is circumferentially provided with head track 333, and the gap between head track 333 and telescopic mouth diminishes gradually in the sense of rotation of retaining ring 330, and head track 333 rotates to change push rod 332 position diametrically for following retaining ring 330.
In the present embodiment, receiving cavity 331 is the circular cavity being circumferentially arranged on retaining ring 330 inside, telescopic mouth opening vertically to the inside contracted configurations become position-limit mechanism 334, one end that head track 333 is positioned at receiving cavity 331 is configured with the limiting stopper for coordinating with position-limit mechanism 334.
In addition, push rod 332 can all be configured to inclined-plane or arc shaped surface with the corresponding matching face of head track 333, is configured to arc shaped surface in the present embodiment.
In the present embodiment, the end face that push rod 332 is positioned at the one end outside receiving cavity 331 is also configured with protruding structure (not shown).
Embodiment 7
Present embodiments provide a kind of bunghole structure for neodymium iron boron storage vat, the difference of itself and embodiment 5 is: retaining ring 330 is the structure in embodiment 6.
Embodiment 8
Present embodiments provide a kind of neodymium iron boron splicing bucket, the difference of itself and embodiment 7 is: gasket seal 100 adopts the gasket seal in embodiment 2.
Embodiment 9
Present embodiments provide a kind of material-receiving device for oxidizable powder, the difference of itself and embodiment 7 is: gasket seal 100 adopts the seal ring in embodiment 3, but gasket seal 100 appearance does not establish braid 210.
Embodiment 10
Present embodiments provide a kind of storage device for collecting NdFeB magnetic powder, the difference of itself and embodiment 7 is: gasket seal 100 adopts the seal ring in embodiment 3.
Below be schematically described the present invention and mode of execution thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, without creatively designing the mode of structure similar to this technological scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (4)
1. pneumatic-typed gasket seal, it is characterized in that: comprise the outer rubber circle (110) and interior rubber ring (120) that arrange with one heart, outer rubber circle (110) and interior rubber ring (120) are connected as one by least two connecting tubes (130) be uniformly distributed circumferentially; Outer rubber circle (110) inner hollow is configured to circular air storing cavity (221), interior rubber ring (120) inner hollow is configured to circular air collecting chamber (223), and arbitrary connecting tube (130) middle part is all configured with the gas flow (222) for being communicated with air storing cavity (221) and air collecting chamber (223).
2. pneumatic-typed gasket seal according to claim 2, is characterized in that: the capacity of air storing cavity (221) is 2 ~ 5 times of air collecting chamber (223) capacity.
3. pneumatic-typed gasket seal according to claim 2, is characterized in that: the sidewall thickness of air storing cavity (221) is 1.5 ~ 3 times of air collecting chamber (223) sidewall thickness.
4. pneumatic-typed gasket seal according to claim 3, is characterized in that: the external diameter of connecting tube (130) and the ratio of internal diameter are 4: 1 ~ 10: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725891.1A CN105402402B (en) | 2015-10-30 | 2015-10-30 | Vapour-pressure type gasket seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725891.1A CN105402402B (en) | 2015-10-30 | 2015-10-30 | Vapour-pressure type gasket seal |
Publications (2)
| Publication Number | Publication Date |
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| CN105402402A true CN105402402A (en) | 2016-03-16 |
| CN105402402B CN105402402B (en) | 2017-09-12 |
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| CN201510725891.1A Expired - Fee Related CN105402402B (en) | 2015-10-30 | 2015-10-30 | Vapour-pressure type gasket seal |
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| CN (1) | CN105402402B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606156A (en) * | 2017-09-11 | 2018-01-19 | 丁水琴 | A kind of gasket seal of internal frame and circumferential seal |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208420A (en) * | 1966-12-13 | 1970-10-14 | Hall Thermotank Internat Ltd F | Improved air duct and connection unit |
| FR2523682A1 (en) * | 1982-03-22 | 1983-09-23 | Joint Francais | Pneumatic, inflatable joint for surfaces - has two inflatable, interconnected air chambers in housing between two surfaces |
| JPS6326467A (en) * | 1986-07-17 | 1988-02-04 | Hokusei Kisou Kk | Seal device |
| CN2380749Y (en) * | 1999-07-05 | 2000-05-31 | 张方杰 | Expansion sealing apparatus |
| CN101036009A (en) * | 2004-09-28 | 2007-09-12 | 兴国英特克株式会社 | Double suction gasket |
| CN101245857A (en) * | 2007-02-15 | 2008-08-20 | 宝山钢铁股份有限公司 | Sealing device |
| CN201547245U (en) * | 2009-10-16 | 2010-08-11 | 修武县电业管理局 | Sealing device of oil/gas filling equipment |
| CN103410977A (en) * | 2013-07-25 | 2013-11-27 | 天津市亚安科技股份有限公司 | Protective cover inflation type seal ring mounting structure |
| CN203395192U (en) * | 2013-08-27 | 2014-01-15 | 新疆惠利灌溉科技股份有限公司 | Rotary airbag sealing device |
-
2015
- 2015-10-30 CN CN201510725891.1A patent/CN105402402B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208420A (en) * | 1966-12-13 | 1970-10-14 | Hall Thermotank Internat Ltd F | Improved air duct and connection unit |
| FR2523682A1 (en) * | 1982-03-22 | 1983-09-23 | Joint Francais | Pneumatic, inflatable joint for surfaces - has two inflatable, interconnected air chambers in housing between two surfaces |
| JPS6326467A (en) * | 1986-07-17 | 1988-02-04 | Hokusei Kisou Kk | Seal device |
| CN2380749Y (en) * | 1999-07-05 | 2000-05-31 | 张方杰 | Expansion sealing apparatus |
| CN101036009A (en) * | 2004-09-28 | 2007-09-12 | 兴国英特克株式会社 | Double suction gasket |
| CN101245857A (en) * | 2007-02-15 | 2008-08-20 | 宝山钢铁股份有限公司 | Sealing device |
| CN201547245U (en) * | 2009-10-16 | 2010-08-11 | 修武县电业管理局 | Sealing device of oil/gas filling equipment |
| CN103410977A (en) * | 2013-07-25 | 2013-11-27 | 天津市亚安科技股份有限公司 | Protective cover inflation type seal ring mounting structure |
| CN203395192U (en) * | 2013-08-27 | 2014-01-15 | 新疆惠利灌溉科技股份有限公司 | Rotary airbag sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606156A (en) * | 2017-09-11 | 2018-01-19 | 丁水琴 | A kind of gasket seal of internal frame and circumferential seal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402402B (en) | 2017-09-12 |
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