CN103170282B - Many tops of large cavity anvil formula ultra-high pressure apparatus - Google Patents
Many tops of large cavity anvil formula ultra-high pressure apparatus Download PDFInfo
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- CN103170282B CN103170282B CN201310108430.0A CN201310108430A CN103170282B CN 103170282 B CN103170282 B CN 103170282B CN 201310108430 A CN201310108430 A CN 201310108430A CN 103170282 B CN103170282 B CN 103170282B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/007—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a plurality of pressing members working in different directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/004—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses involving the use of very high pressures
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Abstract
The invention discloses many tops of a kind of large cavity anvil formula ultra-high pressure apparatus, belong to high-pressure physics field. The present invention can solve the bottleneck problem of the cavity large scale development that large cylinder diameter hinge type cubic hinge press working window is young, hinge beam breaks the high restriction hinge type of probability cubic hinge press, meets the multidisciplinary active demand to large cavity high pressure technique. The anvil face of the taper top anvil of this device is opposed, and coaxially arranged, relative between two; Hydraulic pulldown be positioned at taper top anvil means axis centre and be fixed on combined type or gantry type frame on, and coaxially arranged in the rear end of taper top anvil means, for taper top anvil is pressurizeed; Described cooling device is made up of water flowing ring and water tank, for the heat radiation of high-pressure installation; Described control system, for the control to taper top anvil movement locus, can realize from tri-directions of xyz and respectively sample being exerted pressure, and makes sample cavity obtain high temperature and high pressure environment, realizes the preparation of new material and the discovery of new phenomenon under high-temperature and high-pressure conditions.
Description
Technical field
The invention discloses many tops of a kind of large cavity anvil formula ultra-high pressure apparatus, relate to the superhard material such as diamond and cubic boron nitride andIts goods high pressure technology of preparing, belongs to high-pressure physics field.
Background technology
High-pressure installation must as the impacts such as crystal structure, phase transformation, state equation and physical property on material of research " high pressure "Standby instrument, its research is to explore under the novel superhard materials such as diamond, cubic boron nitride and goods thereof and " normal pressure " to prepareThe basis of new material. High-pressure installation promotes top anvil means by hydraulic pulldown, can realize from tri-directions of xyz respectivelySample is exerted pressure, thereby make hexahedron sample cavity obtain hyperbaric environment; By applying low-voltage in energising on cushion block and at heightPress in cavity and add the heating furnaces such as graphite-pipe, can realize low-voltage and high-current heating, thereby make sample cavity obtain hot environment.But, being accompanied by the discipline developments such as materialogy, geophysics and biology, each subject is in the urgent need to large cavity superhigh pressure technique;Large cavity superhigh pressure technique, not only can improve the synthetic output of single of superhard material, and can reduce the pressure of inside cavityWith thermograde value, thereby improve the synthetic quality of sample.
Can obtain large cavity high temperature and high pressure environment by expanding the cylinder diameter of hydraulic pulldown and the anvil face area of top anvil,But the hydraulic cylinder of large cylinder diameter causes traditional hinge type cubic hinge press volume increasing, wanting fixing laboratory sample is all oneThe thing that part is very difficult; Because cylinder diameter is increasing, the pressure that hinge beam bears is increasing, causes large cavity hinge typeCubic hinge press is easy to occur hinge beam bottom cracking, has limited greatly the discovery of people to new material and new phenomenon. ForSolve the chamber that large cylinder diameter hinge type cubic hinge press working window is young, hinge beam breaks the high restriction hinge type of probability cubic hinge pressThe bottleneck problem of body large scale development, inventor has designed many tops of large cavity anvil formula ultra-high pressure apparatus, works in this respect and has no report.
The bottleneck problems such as top anvil life-span of existing for the large cavity technology of cubic apparatus is short, limit chamber pressure is low, inventor's pin in early stageTo the large cavity key problem in technology of cubic apparatus parts---large volume tungsten carbide top anvil has been carried out Multi-stage filleted high-pressure anvil(201210002784.2) and the research work such as Six-anvil multi-grade supercharging device (201210006204.7), for the top anvil life-span is short,The low technical scheme that provides of limit chamber pressure value.
Summary of the invention
The object of the invention is to solve that large cylinder diameter hinge type cubic hinge press working window is young, hinge beam breaks the high restriction of probabilityThe bottleneck problem of hinge type cubic hinge press " cavity large scale development ", thus meet high-pressure physics, geophysics, materialMaterial is learned and the active demand of high pressure field of biology to large cavity superhigh pressure technique. Many tops of large cavity of the present invention anvil formula super-pressureDevice, by adopting combined type and gantry type frame structure, has solved the young bottleneck of large cylinder diameter hinge type cubic hinge press working windowProblem; By the frame for movement of optimization device, reduce structure difficulty of processing, realize simply the forging and stamping manufacture of frame for movement,Effectively improve the intensity of frame for movement, solved the hinge beam high bottleneck problem of probability of breaking. Large cavity of the present invention pushes up moreAnvil formula ultra-high pressure apparatus is simple to operate, and transmission efficiency is high, and low cost of manufacture can provide more rational operation window, longerHinge beam life-span, and higher pressure values, thus promote to a certain extent high-pressure physics, geophysics, materialogy withAnd the development of the basic science such as high pressure biology.
In order to solve, large cylinder diameter hinge type cubic hinge press working window is young, hinge beam breaks the high restriction hinge type of probability cubic apparatusThe bottleneck problem of the cavity large scale development of press, the present invention is achieved by the following technical solutions, and accompanying drawings is as follows:
Many tops of a kind of large cavity anvil formula ultra-high pressure apparatus, mainly by taper top anvil means 1, hydraulic pulldown 2, cooling deviceWith control system and frame composition, described taper top anvil means 1 is 6, and anvil face is opposed, and coaxially arranged; Described hydraulic pressure addsPressure device 2 is coaxially arranged in the rear end of taper top anvil means 1, for taper top anvil means 1 is pressurizeed; Described cooling dressPut by water flowing ring and water tank and form, for the heat radiation of press; The top anvil movement locus of described control system by high-pressure installationControl makes sample in transmission medium piece obtain hyperbaric environment; Described taper top anvil means 1 is made up of top anvil, pretension steel loop and cushion block,Top anvil is the inverted cone-shaped structure with square anvil face, top anvil and pretension steel loop interference fit, and cushion block sliding fit packs in pretension steel loopPortion is also positioned under the anvil of top, and its material is that Talide, carborundum, boron nitride and diamond sinter etc. are superhardMaterial; Taper top anvil means 1 connects with energising cushion block 13 by screw thread.
Described hydraulic pulldown 2 is by hydraulic cylinder, column casing 6, plunger 10, fairlead 11, flange 12, sealing ring 9, logicalElectricity cushion block 13 and hydraulic power unit composition, described hydraulic cylinder is false bottom working cylinder, is made up of the two combination cylinder barrel 7 and cylinder bottom 8After inlay and be installed on passive column casing 6 inside; Plunger 10 is by fairlead 11 centerings, the spacing rear installation of flange 12In hydraulic cylinder inside; Between cylinder barrel 7 and cylinder bottom 8 and piston 10, fairlead 11 and cylinder barrel 7, sealing ring 9 is installed respectively and is sealed,Plunger 10 heads are installed energising cushion block 13.
The cylinder mouth of described Barrel of Hydraulic Cylinders 7 is provided with flange 12, and the boss on cylinder bottom 8 tops coordinates with the concave station of plunger 10 bottoms,Cylinder bottom 8 is matched with in false bottom hole; Described cylinder bottom 8 is Step Shaft, for false bottom hole coordinates shaft part, the false bottom hole face of described cylinder barrel 7Amassing with the ratio of piston hole area is 7/10～4/5.
Described frame is fabricated structure, is made up of with lower bottom base 5 lateral support device 3, upper footstock 4, and three passes through bearing pinBe fixedly connected; Described lateral support device 3 is made up of the gripper shoe of same thickness, is spaced, and is fixedly connected by bearing pin.
Described rack construction is planer type structure.
Described control system by industrial computer and control software form, shown in control system change by displacement transducer and electromagnetismRealize the accurate control of hydraulic pulldown to valve.
Technique effect of the present invention:
Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus, by adopting combined type and gantry type frame structure, has solved vatThe young bottleneck problem of footpath hinge type cubic hinge press working window; By the frame for movement of optimization device, reduce structure difficult processingDegree, has realized the forging and stamping manufacture of frame for movement simply, has substituted conventional cast forming technology, has effectively improved frame for movementIntensity, solved the hinge beam high bottleneck problem of probability of breaking; Realize the heat radiation of press by cooling device; By control beSystem makes sample obtain a hundreds of thousands atmospheric pressure to the anvil means movement locus control of taper top. Many tops of large cavity of the present invention anvil formula superelevationPressure device is simple to operate, and transmission efficiency is high, low cost of manufacture, can meet high-pressure physics, geophysics, materialogy withAnd the Research Requirements of high pressure biology to substance system under high-pressure high-temperature environment, promote high-pressure physics, geophysics, materialThe development of the basic science such as and high pressure biology.
Brief description of the drawings
Fig. 1 is many tops of large cavity anvil formula ultra-high pressure apparatus structural representation.
Fig. 2 is the generalized section of hydraulic pulldown.
Fig. 3 is the structural representation of taper top anvil means, wherein:
Fig. 3 (a) is the structure three-dimensional view of back taper top anvil;
Fig. 3 (b) is the structure three-dimensional view of cushion block;
Fig. 3 (c) is pretension steel loop structure three-dimensional view.
Fig. 4 is the lateral support structure schematic diagram of combined frame.
Fig. 5 is many tops of the large cavity anvil formula ultra-high pressure apparatus structural representation that adopts gantry type frame.
Wherein: 1. taper top anvil means, 2. hydraulic pulldown, 3. lateral support structure, 4. upper bed-plate, 5. lower bottom base,6. column casing, 7. cylinder barrel, 8. cylinder bottom, 9. sealing ring, 10. plunger, 11. fairleads, 12. differentials, 13. energising cushion blocks.
Detailed description of the invention
Enter an explanation particular content of the present invention and embodiment thereof below in conjunction with accompanying drawing illustrated embodiment.
Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus, by taper top anvil means 1, hydraulic pulldown 2, cooling device,Control system and frame composition. Taper top anvil means 1 is 6, and anvil face is opposed, and coaxially arranged; Hydraulic pulldown 2 is sameAxle is arranged in the rear end of taper top anvil means 1, for taper top anvil means 1 is pressurizeed; Cooling device is by water flowing ring and waterCase composition, for the heat radiation of press; Control system, by the control of the top anvil movement locus to high-pressure installation, can make pressure transmission be situated betweenIn matter piece, sample obtains hyperbaric environment. Taper top anvil means is made up of top anvil, pretension steel loop and cushion block; Top anvil is with square anvilThe inverted cone-shaped structure of face, top anvil and pretension steel loop interference fit, cushion block sliding fit pack into pretension steel loop inner and be positioned at top anvil just underSide, its material is the superhard materials such as tungsten carbide, carborundum, boron nitride and diamond sinter; Taper top anvil means 1 passes throughScrew thread connects with energising cushion block 13. Hydraulic pulldown by hydraulic cylinder, column casing 6, plunger 10, fairlead 11, flange 12,Sealing ring 9, energising cushion block 13 and hydraulic power unit composition; Hydraulic cylinder is false bottom working cylinder, formed by cylinder barrel 7 and cylinder bottom 8,After the two combination, inlay and be installed on passive column casing 6 inside; Plunger 10 is limit by fairlead 11 centerings and differential 12Behind position, be installed on hydraulic cylinder inside; For improving hydraulic oil seal, cylinder barrel 7 and cylinder bottom 8 and piston 10, fairlead 11 withSealing ring 9 is installed respectively between cylinder barrel 7, and plunger 10 heads are installed energising cushion block 13. The cylinder mouth of the cylinder barrel 7 of hydraulic cylinder is provided withFlange 12, the boss on cylinder bottom 8 tops coordinates with the concave station of plunger 10 bottoms, and cylinder bottom 8 is matched with in false bottom hole; Cylinder bottom 8 isStep Shaft, for false bottom hole coordinates shaft part, the false bottom hole area of described cylinder barrel 7 is 7/10～4/5 with the ratio of piston hole area. FrameCan be fabricated structure, be made up of with lower bottom base 5 lateral support device 3, upper footstock 4, three be fixedly connected by bearing pin;Lateral support device is made up of the gripper shoe of same thickness, and fixed intervals are arranged, and are fixedly connected by bearing pin. Certainly frame,Structure can be also planer type structure. Control system is made up of industrial computer and control software, by displacement transducer and electromagnetismReversal valve is realized the accurate control of hydraulic pulldown.
Fig. 1 is many tops of large cavity anvil formula ultra-high pressure apparatus structural representation, mainly by taper top anvil means 1, hydraulic pulldown2, the composition such as lateral support device 3, upper bed-plate 4, lower bottom base 5, cooling device, control system, wherein taper top anvil means1 is made up of top anvil, pretension steel loop and cushion block; Top anvil is the inverted cone-shaped structure with square anvil face, anvil means top, taper top anvil withPretension steel loop interference fit, cushion block sliding fit packs pretension steel loop inside into and is positioned under the anvil of top, and its material is tungsten carbide, carbonThe superhard materials such as SiClx, boron nitride and diamond sinter; Taper top anvil means connects with energising cushion block 13 by screw thread.Hydraulic pulldown 2 is made up of hydraulic cylinder, plunger 10, hydraulic power unit etc., and the power of high-pressure installation cavity pressurization is provided; SideThe gripper shoe of being arranged by same thickness, fixed intervals to bracing or strutting arrangement 3 forms, and realizes propping up of hydraulic pulldown 2 by bearing pinSupport and connect; Cooling device is made up of water flowing ring and water tank, realizes the heat radiation of press; Control system is by industrial computer and controlSoftware composition, realizes the accurate control of hydraulic pulldown by displacement transducer and solenoid directional control valve, obtain thereby realize sample cavityObtain a hundreds of thousands atmospheric pressure.
Fig. 2 is the generalized section of hydraulic pulldown, mainly by column casing 6, cylinder barrel 7, cylinder bottom 8, sealing ring 9, plunger10, fairlead 11, differential 12 and energising cushion block 13 form. Cylinder bottom 8 is a Step Shaft, and its bottom small diameter shaft section is positioned atColumn casing 6 intracavity bottoms, its top major diameter shaft part and cylinder barrel 7 lower seal assemblings, the false bottom work that cylinder barrel 7 and cylinder bottom 8 formBe nested in column casing 6 inner chambers as cylinder. The nozzle outer rim of cylinder barrel 7 is provided with step and is fixed on column casing 6 by flange 12; CylinderThe endoporus of cylinder 7 is stepped hole, is respectively the plunger hole of shell portion and the false bottom hole of cylinder bottom, false bottom hole and the cylinder bottom 8 of cylinder bottomMinor diameter shaft part coordinate. Cylinder bottom 8 upper surfaces of false bottom working cylinder are the boss that straightens footpath, and plunger 10 lower surfaces are for straightening footpathConcave station, both coordinate and contact and form high-voltage oil cavity. Plunger 10 is Step Shaft, and 7 of its underpart and cylinder barrels are sealed and matched,Top is sealed and matched spacing with centering by fairlead 11 and cylinder barrel 7. Hydraulic power unit is that height press-fits by low pressure and high-pressure oil pumpThe hydraulic pulldown of putting provides hydraulic oil, and in the high-voltage oil cavity between plunger 10 and cylinder bottom 8,1. number arrow represents effectPressure on plunger 10,2. number arrow represents to act on the pressure on cylinder barrel 7 end surface of step holes, and 3. number arrow represents effectPressure on cylinder bottom 8, the pressure wherein acting on cylinder barrel 7 is delivered on column casing 6 by the flange 12 of cylinder barrel 7,Act on the bottom that pressure on cylinder bottom 8 is directly delivered to column casing 6. For making cylinder bottom can bear larger pressure, be unlikely to damageBad, can increase the boss height that straightens footpath on false bottom cylinder bottom 8 tops, increase the cylinder bottom thickness of false bottom working cylinder.
Fig. 3 is the structural representation of taper top anvil means, wherein: Fig. 3 (a) is the structure three-dimensional view of back taper top anvil; Fig. 3 (b)It is the structure three-dimensional view of cushion block; Fig. 3 (c) is pretension steel loop structure three-dimensional view. Taper top anvil means 1 number is 6, anvilIn the face of putting, and coaxially arranged, its top is the inverted cone-shaped structure with square anvil face, bottom is cylinder; Described cooling deviceBe positioned at peripheral pretension steel loop outer surface, single channel or multichannel cooling-water duct are installed, realize by controlling cooling water flowThe adjustment of press rate of heat dispation. Six taper top anvils are symmetrical between two, form hexahedron sample chamber. For improving top anvil buck speedDegree can increase the multistage little inclined-plane of 0-45 ° near the little anvil face of top anvil.
Fig. 4 is the lateral support structure schematic diagram of combined frame, is made up of the gripper shoe of same thickness, and fixed intervals are arranged,And be fixedly connected by bearing pin. Lateral support device 3, upper footstock 4 and lower bottom base 5 constituent apparatus combined frames, it passes throughThe support that bearing pin is realized hydraulic pulldown 2 with connect.
Fig. 5 is many tops of the large cavity anvil formula ultra-high pressure apparatus structural representation that adopts gantry type frame. Can by gantry type frameThe increase of implement device operation window, increases work efficiency.
Illustrate the course of work of many tops of large cavity anvil formula ultra-high pressure apparatus below:
First,, according to the high-pressure chamber assembling mode of establishing, select the taper top anvil size of high-pressure installation, and be installed to large cavityOn the energising cushion block of many tops anvil formula ultra-high pressure apparatus. Afterwards, by the control system of high-pressure installation, drive hydraulic pulldown,Realize pressurization and electrical heating, pressurize and insulation and pressure release and the cooling operation of top anvil to hexahedron high-pressure chamber. Finally, take outThe synthetic sample with preparing under high temperature and high pressure environment, carries out post-processed and material property and characterizes. The present invention is by adopting combined typeWith gantry type frame structure, solve the young bottleneck problem of large cylinder diameter hinge type cubic hinge press working window; Pass through optimization deviceFrame for movement, reduced structure difficulty of processing, realized simply the forging and stamping manufacture of frame for movement, effectively improved machineryThe intensity of structure, has solved the hinge beam high bottleneck problem of probability of breaking. Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus behaviourDo simply, transmission efficiency is high, and low cost of manufacture can meet high-pressure physics, geophysics, materialogy and high pressure rawThing is learned the Research Requirements to substance system under high-pressure high-temperature environment, promotes high-pressure physics, geophysics, materialogy and heightPress the development of the basic science such as biology.
Claims (1)
1. many tops of large cavity anvil formula ultra-high pressure apparatus, mainly by taper top anvil means (1), hydraulic pulldown (2),Cooling device and control system and frame composition, is characterized in that: described taper top anvil means (1) is 6, and anvil face is opposed,And coaxially arranged; Described hydraulic pulldown (2) is coaxially arranged in the rear end of taper top anvil means (1), for taper is pushed upAnvil means (1) pressurizes; Described cooling device is made up of water flowing ring and water tank, for the heat radiation of press; Described control isThe control of the top anvil movement locus of all mistakes to high-pressure installation makes sample in transmission medium piece obtain hyperbaric environment; Described taper top anvilDevice (1) is made up of top anvil, pretension steel loop and cushion block, and top anvil is the inverted cone-shaped structure with square anvil face, top anvil and pretensionSteel loop interference fit, cushion block sliding fit packs pretension steel loop inside into and is positioned under the anvil of top, and taper top anvil means (1) passes throughScrew thread connects with energising cushion block (13);
Described hydraulic pulldown (2) by hydraulic cylinder, column casing (6), plunger (10), fairlead (11), flange (12),Sealing ring (9), energising cushion block (13) and hydraulic power unit form, and described hydraulic cylinder is false bottom working cylinder, by cylinder barrel (7) andCylinder bottom (8) composition, inlays and is installed on passive column casing (6) inside after the two combination; Plunger (10) is by guidingAfter cover (11) centering, flange (12) is spacing, be installed on hydraulic cylinder inside; Cylinder barrel (7) and cylinder bottom (8) and plunger (10),Sealing ring (9) sealing is installed respectively between fairlead (11) and cylinder barrel (7), and plunger (10) head is installed energising cushion block (13);
The cylinder mouth of described Barrel of Hydraulic Cylinders (7) is provided with flange (12), the boss on cylinder bottom (8) top and plunger (10) bottomConcave station coordinate, cylinder bottom (8) is matched with in false bottom hole; Described cylinder bottom (8) is Step Shaft, for false bottom hole coordinates shaft part;
Described frame is fabricated structure, is made up of three lateral support device (3), upper footstock (4) with lower bottom base (5)Be fixedly connected by bearing pin; Described lateral support device (3) is made up of the gripper shoe of same thickness, is spaced, and passes throughBearing pin is fixedly connected; Or described frame is planer type structure;
Described control system by industrial computer and control software form, shown in control system change by displacement transducer and electromagnetismRealize the accurate control of hydraulic pulldown to valve.
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| CN201310108430.0A CN103170282B (en) | 2013-03-29 | 2013-03-29 | Many tops of large cavity anvil formula ultra-high pressure apparatus |
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| CN201310108430.0A CN103170282B (en) | 2013-03-29 | 2013-03-29 | Many tops of large cavity anvil formula ultra-high pressure apparatus |
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| CN103170282A CN103170282A (en) | 2013-06-26 |
| CN103170282B true CN103170282B (en) | 2016-05-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492344B (en) * | 2015-01-07 | 2016-09-14 | 吉林大学 | A kind of cubic hinge press combined frame |
| WO2016209855A1 (en) * | 2015-06-22 | 2016-12-29 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Frame for press apparatus and press apparatus comprising same |
| CN105628615B (en) * | 2015-12-24 | 2018-02-23 | 中国科学院合肥物质科学研究院 | A kind of improved diamond compresses centralising device with base |
| CN106622033B (en) * | 2017-02-28 | 2022-09-23 | 洛阳美钻钻石培育有限公司 | Large-scale mute cubic hydraulic press |
| CN110695363B (en) * | 2019-10-18 | 2021-12-14 | 成都比拓超硬材料有限公司 | Flat interface polycrystalline diamond composite material for drilling and milling |
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| CN103170282A (en) | 2013-06-26 |
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