CN103170282A - Large-cavity multi-anvil type ultra-high-pressure device - Google Patents
Large-cavity multi-anvil type ultra-high-pressure device Download PDFInfo
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- CN103170282A CN103170282A CN2013101084300A CN201310108430A CN103170282A CN 103170282 A CN103170282 A CN 103170282A CN 2013101084300 A CN2013101084300 A CN 2013101084300A CN 201310108430 A CN201310108430 A CN 201310108430A CN 103170282 A CN103170282 A CN 103170282A
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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
Abstract
The invention discloses a large-cavity multi-anvil type ultra-high-pressure device, and belongs to the field of high-pressure physics. The problem of bottleneck that the large-scale development of a cavity of a hinge type six surface ejection machine is limited by a small working window, high breakage rate of a hinge beam and the like of the conventional large-cylinder-diameter six-surface ejection machine can be solved; and the urgent need of multiple subjects on a large-cavity high-pressure technology can be met. Anvil surfaces of a conical anvil of the device are opposite and coaxial and are opposite to one another two by two; a hydraulic pressurization device is positioned in the center of the axis of the conical anvil device, is fixed on a combined type or a portal type stander and is coaxially arranged at the rear end of the conical anvil device so as to be used for pressurizing the conical anvil; a cooling device consists of a water supply ring and a water tank and is used for cooling a high-pressure device; a control system is used for controlling a conical anvil moving trace, so that a sample can be pressurized in three directions x, y and z, and a sample cavity can obtain a high-temperature and high-pressure environment; and under the high-temperature and high-pressure condition, new materials can be prepared, and new phenomena can be found.
Description
Technical field
The invention discloses a kind of large cavity many tops anvil formula ultra-high pressure apparatus, relate to superhard material and the goods high pressure technologies of preparing thereof such as diamond and cubic boron nitride, belong to the high-pressure physics field.
Background technology
High-pressure installation is as research " high pressure " indispensable instrument on impacts such as crystal structure, phase transformation, state equation and physical propertys of material, and its research is the basis of exploring the novel superhard material such as diamond, cubic boron nitride and goods thereof and " normal pressure " lower new material that can't prepare.High-pressure installation promotes the top anvil means by hydraulic pulldown, can realize respectively sample being exerted pressure from three directions of xyz, thereby make the hexahedron sample cavity obtain hyperbaric environment; Reach by apply low-voltage on the energising cushion block heating furnaces such as adding graphite-pipe in high-pressure chamber, can realize the low-voltage and high-current heating, thereby make sample cavity obtain hot environment.Yet, 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 pressure and the thermograde value of inside cavity, thereby improves the synthetic quality of sample.
Can obtain large cavity high temperature and high pressure environment by the cylinder diameter of expansion 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, and wanting fixedly, laboratory sample is all a very difficult thing; Because cylinder diameter is increasing, the pressure that hinge beam bears is increasing, causes large cavity hinge type cubic hinge press to be easy to occur ftracture bottom hinge beam, has limited greatly the discovery of people to new material and new phenomenon.In order to 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, the inventor has designed large cavity many tops anvil formula ultra-high pressure apparatus, and working in this respect has no report.
The bottleneck problems such as the top anvil life-span for the large cavity technology existence of cubic apparatus is short, limit chamber pressure is low, inventor early stage is for the large cavity key problem in technology of cubic apparatus parts---and large volume tungsten carbide top anvil has been carried out the research work such as Multi-stage filleted high-pressure anvil (201210002784.2) and Six-anvil multi-grade supercharging device (201210006204.7), the low technical scheme that provides of, limit chamber pressure value short for the top anvil life-span.
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 bottleneck problem of the high restriction hinge type of probability cubic hinge press " cavity large scale development ", thereby satisfy high-pressure physics, geophysics, materialogy and high pressure field of biology to the active demand of large cavity superhigh pressure technique.Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus has solved the young bottleneck problem of large cylinder diameter hinge type cubic hinge press working window by adopting combined type and gantry type frame structure; By the frame for movement of optimization device, reduced the structure difficulty of processing, realized simply the forging and pressing manufacturing of frame for movement, effectively improved the intensity of frame for movement, 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 is simple to operate, transmission efficiency is high, low cost of manufacture, more rational operation window, longer hinge beam life-span can be provided, and higher pressure values, thereby promote to a certain extent the development of the basic science such as high-pressure physics, geophysics, materialogy and high pressure biology.
In order to 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, 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 is comprised of taper top anvil means 1, hydraulic pulldown 2, cooling device and control system and frame, and described taper top anvil means 1 is 6, and anvil face is opposed, and coaxial arrangement; Described hydraulic pulldown 2 coaxial arrangement are in the rear end of taper top anvil means 1, are used for taper top anvil means 1 is pressurizeed; Described cooling device is comprised of water flowing ring and water tank, is used for the heat radiation of press; Described control system makes by the control to the top anvil movement locus of high-pressure installation that in the transmission medium piece, sample obtains hyperbaric environment; Described taper top anvil means 1 is comprised of top anvil, pretension steel loop and cushion block, the top anvil is the inverted cone-shaped structure with square anvil face, top anvil and pretension steel loop interference fit, the cushion block sliding fit pretension steel loop of packing into is inner and be positioned under the anvil of top, and its material is the superhard materials such as Talide, carborundum, boron nitride and diamond sinter; Taper top anvil means 1 connects with energising cushion block 13 by screw thread.
Described hydraulic pulldown 2 is comprised of hydraulic cylinder, column casing 6, plunger 10, fairlead 11, flange 12, sealing ring 9, energising cushion block 13 and hydraulic power unit, described hydraulic cylinder is the false bottom working cylinder, formed by cylinder barrel 7 and cylinder bottom 8, both inlay after the combination and be installed on passive column casing 6 inside; Be installed on hydraulic cylinder inside after plunger 10 is spacing by fairlead 11 centerings, flange 12; Sealing ring 9 sealings are installed respectively between cylinder barrel 7 and cylinder bottom 8 and piston 10, fairlead 11 and cylinder barrel 7, and 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, and cylinder bottom 8 is matched with in the false bottom hole; Described cylinder bottom 8 is Step Shaft, is false bottom hole cooperation shaft part, and the false bottom hole area of described cylinder barrel 7 is 7/10～4/5 with the ratio of piston hole area.
Described frame is fabricated structure, is comprised of with lower bottom base 5 lateral support device 3, upper footstock 4, and the three is fixedly connected by bearing pin; Described lateral support device 3 is comprised 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 is by industrial computer and control software and form, shown in control system realize the accurate control of hydraulic pulldown by displacement transducer and solenoid directional control 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 the young bottleneck problem of large cylinder diameter hinge type cubic hinge press working window; By the frame for movement of optimization device, reduced the structure difficulty of processing, realized simply the forging and pressing manufacturing of frame for movement, substituted the conventional cast forming technology, effectively improved the intensity of frame for movement, solved the hinge beam high bottleneck problem of probability of breaking; Realize the heat radiation of press by cooling device; Make sample obtain a hundreds of thousands atmospheric pressure by control system to taper top anvil means movement locus control.Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus is simple to operate, transmission efficiency is high, low cost of manufacture, can satisfy high-pressure physics, geophysics, materialogy and high pressure biology to the Research Requirements of substance system under high-pressure high-temperature environment, promote the development of the basic science such as high-pressure physics, geophysics, materialogy and high pressure biology.
Description of drawings
Fig. 1 is large cavity many tops 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 the large cavity many tops 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.
The specific embodiment
Advance an explanation particular content of the present invention and embodiment thereof below in conjunction with the accompanying drawing illustrated embodiment.
Many tops of large cavity of the present invention anvil formula ultra-high pressure apparatus is comprised of taper top anvil means 1, hydraulic pulldown 2, cooling device, control system and frame.Taper top anvil means 1 is 6, and anvil face is opposed, and coaxial arrangement; Hydraulic pulldown 2 coaxial arrangement are in the rear end of taper top anvil means 1, are used for taper top anvil means 1 is pressurizeed; Cooling device is comprised of water flowing ring and water tank, is used for the heat radiation of press; Control system is passed through the control to the top anvil movement locus of high-pressure installation, can make sample acquisition hyperbaric environment in the transmission medium piece.Taper top anvil means is comprised of top anvil, pretension steel loop and cushion block; The top anvil is the inverted cone-shaped structure with square anvil face, top anvil and pretension steel loop interference fit, and the cushion block sliding fit pretension steel loop of packing into is inner and be positioned under the anvil of top, and its material is the superhard materials such as tungsten carbide, carborundum, boron nitride and diamond sinter; Taper top anvil means 1 connects with energising cushion block 13 by screw thread.Hydraulic pulldown is comprised of hydraulic cylinder, column casing 6, plunger 10, fairlead 11, flange 12, sealing ring 9, energising cushion block 13 and hydraulic power unit; Hydraulic cylinder is the false bottom working cylinder, is comprised of cylinder barrel 7 and cylinder bottom 8, both inlays after the combination to be installed on passive column casing 6 inside; Plunger 10 by fairlead 11 centerings and differential 12 spacing after, be installed on hydraulic cylinder inside; For improving hydraulic oil seal, between cylinder barrel 7 and cylinder bottom 8 and piston 10, fairlead 11 and cylinder barrel 7, sealing ring 9 is installed respectively, plunger 10 heads are installed energising cushion block 13.The cylinder mouth of the cylinder barrel 7 of hydraulic cylinder is provided with flange 12, and the boss on cylinder bottom 8 tops coordinates with the concave station of plunger 10 bottoms, and cylinder bottom 8 is matched with in the false bottom hole; Cylinder bottom 8 is Step Shaft, is false bottom hole cooperation shaft part, and the false bottom hole area of described cylinder barrel 7 is 7/10～4/5 with the ratio of piston hole area.Frame can be fabricated structure, is comprised of with lower bottom base 5 lateral support device 3, upper footstock 4, and the three is fixedly connected by bearing pin; Lateral support device is comprised of the gripper shoe of same thickness, and fixed intervals are arranged, and are fixedly connected by bearing pin.Certainly, rack construction also can be planer type structure.Control system is comprised of industrial computer and control software, realizes the accurate control of hydraulic pulldown by displacement transducer and solenoid directional control valve.
Fig. 1 is large cavity many tops anvil formula ultra-high pressure apparatus structural representation, mainly be comprised of taper top anvil means 1, hydraulic pulldown 2, lateral support device 3, upper bed-plate 4, lower bottom base 5, cooling device, control system etc., wherein taper top anvil means 1 is comprised of top anvil, pretension steel loop and cushion block; The top anvil is the inverted cone-shaped structure with square anvil face, taper top anvil means top anvil and pretension steel loop interference fit, the cushion block sliding fit pretension steel loop of packing into is inner and be positioned under the anvil of top, and its material is the superhard materials such as tungsten carbide, carborundum, boron nitride and diamond sinter; Taper top anvil means connects with energising cushion block 13 by screw thread.Hydraulic pulldown 2 is comprised of hydraulic cylinder, plunger 10, hydraulic power unit etc., and the power of high-pressure installation cavity pressurization is provided; The gripper shoe that lateral support device 3 is arranged by same thickness, fixed intervals forms, the support that realizes hydraulic pulldown 2 by bearing pin with connect; Cooling device is comprised of water flowing ring and water tank, realizes the heat radiation of press; Control system is comprised of industrial computer and control software, realizes the accurate control of hydraulic pulldown by displacement transducer and solenoid directional control valve, thereby realizes that sample cavity obtains a hundreds of thousands atmospheric pressure.
Fig. 2 is the generalized section of hydraulic pulldown, mainly is comprised of column casing 6, cylinder barrel 7, cylinder bottom 8, sealing ring 9, plunger 10, fairlead 11, differential 12 and energising cushion block 13.Cylinder bottom 8 is a Step Shaft, and its bottom small diameter shaft section is positioned at column casing 6 intracavity bottoms, its top major diameter shaft part and cylinder barrel 7 lower seal assemblings, and the false bottom working cylinder that cylinder barrel 7 and cylinder bottom 8 form is nested in column casing 6 inner chambers.The nozzle outer rim of cylinder barrel 7 is provided with step and is fixed on column casing 6 by flange 12; The endoporus of cylinder barrel 7 is stepped hole, is respectively the plunger hole of shell portion and the false bottom hole of cylinder bottom, and the false bottom hole of cylinder bottom coordinates with the minor diameter shaft part of cylinder bottom 8.Cylinder bottom 8 upper surfaces of false bottom working cylinder are the boss that straightens the footpath, and plunger 10 lower surfaces are the concave station that straightens the footpath, and both coordinate and contact and consist of high-voltage oil cavity.Plunger 10 is Step Shaft, and 7 of its underpart and cylinder barrels are sealed and matched, and top is sealed and matched spacing with centering by fairlead 11 and cylinder barrel 7.Hydraulic power unit provides hydraulic oil by low pressure and high-pressure oil pump for the hydraulic pulldown of high-pressure installation, in high-voltage oil cavity between plunger 10 and cylinder bottom 8,1. number arrow represents to act on the pressure on plunger 10,2. number arrow represents to act on the pressure on cylinder barrel 7 end surface of step holes, 3. number arrow represents to act on the pressure on cylinder bottom 8, the flange 12 of pressure by cylinder barrel 7 that wherein acts on cylinder barrel 7 is delivered on column casing 6, acts 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 damage, can increase the boss height that straightens the footpath on false bottom cylinder bottom 8 tops, namely increase the cylinder bottom thickness of false bottom working cylinder.
Fig. 3 is the structural representation of taper top anvil means, and 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.Taper top anvil means 1 number is 6, and anvil face is opposed, and coaxial arrangement, and its top is the inverted cone-shaped structure with square anvil face, and the bottom is cylinder; Described cooling device is positioned at peripheral pretension steel loop outer surface, and single channel or multichannel cooling-water duct are installed, and realizes the adjustment of press rate of heat dispation by controlling cooling water flow.Six taper top anvils are symmetrical in twos, form the hexahedron sample chamber.For improving top anvil buck speed, 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 comprised of the gripper shoe of same thickness, and fixed intervals are arranged, and are fixedly connected by bearing pin.Lateral support device 3, upper footstock 4 and lower bottom base 5 constituent apparatus combined frames, its support that realizes hydraulic pulldown 2 by bearing pin with connect.
Fig. 5 is the large cavity many tops anvil formula ultra-high pressure apparatus structural representation that adopts gantry type frame.By gantry type frame can the implement device operation window increase, increase work efficiency.
The below illustrates the course of work of large cavity many tops anvil formula ultra-high pressure apparatus:
At first, according to the high-pressure chamber assembling mode of establishing, select the taper top anvil size of high-pressure installation, and be installed on the energising cushion block of large cavity many tops anvil formula ultra-high pressure apparatus.Afterwards, by the control system of high-pressure installation, drive hydraulic pulldown, realize that the top anvil is to pressurization and electrical heating, pressurize and insulation and pressure release and the cooling operation of hexahedron high-pressure chamber.At last, take out synthetic sample with preparing under high temperature and high pressure environment, carry out post-processed and material property and characterize.The present invention has solved the young bottleneck problem of large cylinder diameter hinge type cubic hinge press working window by adopting combined type and gantry type frame structure; By the frame for movement of optimization device, reduced the structure difficulty of processing, realized simply the forging and pressing manufacturing of frame for movement, effectively improved the intensity of frame for movement, 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 is simple to operate, transmission efficiency is high, low cost of manufacture, can satisfy high-pressure physics, geophysics, materialogy and high pressure biology to the Research Requirements of substance system under high-pressure high-temperature environment, promote the development of the basic science such as high-pressure physics, geophysics, materialogy and high pressure biology.
Claims (6)
1. large cavity many tops anvil formula ultra-high pressure apparatus, mainly be comprised of taper top anvil means (1), hydraulic pulldown (2), cooling device and control system and frame, it is characterized in that:
Described taper top anvil means (1) is 6, and anvil face is opposed, and coaxial arrangement; Described hydraulic pulldown (2) coaxial arrangement is used for taper top anvil means (1) is pressurizeed in the rear end of taper top anvil means (1); Described cooling device is comprised of water flowing ring and water tank, is used for the heat radiation of press; Described control system makes by the control to the top anvil movement locus of high-pressure installation that in the transmission medium piece, sample obtains hyperbaric environment; Described taper top anvil means (1) is comprised of top anvil, pretension steel loop and cushion block, the top anvil is the inverted cone-shaped structure with square anvil face, top anvil and pretension steel loop interference fit, the cushion block sliding fit pretension steel loop of packing into is inner and be positioned under the anvil of top, and taper top anvil means (1) connects with the cushion block (13) of switching on by screw thread.
2. many tops of a kind of large cavity according to claim 1 anvil formula ultra-high pressure apparatus is characterized in that:
Described hydraulic pulldown (2) is comprised of hydraulic cylinder, column casing (6), plunger (10), fairlead (11), flange (12), sealing ring (9), energising cushion block (13) and hydraulic power unit, described hydraulic cylinder is the false bottom working cylinder, formed by cylinder barrel (7) and cylinder bottom (8), both inlay after the combination and be installed on passive column casing (6) inside; Be installed on hydraulic cylinder inside after plunger (10) is spacing by fairlead (11) centering, flange (12); Sealing ring (9) sealing is installed respectively between cylinder barrel (7) and cylinder bottom (8) and piston (10), fairlead (11) and cylinder barrel (7), and plunger (10) head is installed energising cushion block (13).
3. many tops of a kind of large cavity according to claim 2 anvil formula ultra-high pressure apparatus is characterized in that:
The cylinder mouth of described Barrel of Hydraulic Cylinders (7) is provided with flange (12), and the boss on cylinder bottom (8) top coordinates with the concave station of plunger (10) bottom, and cylinder bottom (8) is matched with in the false bottom hole; Described cylinder bottom (8) is Step Shaft, is false bottom hole cooperation shaft part.
4. many tops of a kind of large cavity according to claim 1 and 2 anvil formula ultra-high pressure apparatus is characterized in that:
Described frame is fabricated structure, is comprised of with lower bottom base (5) lateral support device (3), upper footstock (4), and the three is fixedly connected by bearing pin; Described lateral support device (3) is comprised of the gripper shoe of same thickness, is spaced, and is fixedly connected by bearing pin.
5. many tops of a kind of large cavity according to claim 1 and 2 anvil formula ultra-high pressure apparatus is characterized in that:
Described rack construction is planer type structure.
6. many tops of a kind of large cavity according to claim 1 and 2 anvil formula ultra-high pressure apparatus is characterized in that:
Described control system is by industrial computer and control software and form, shown in control system realize the accurate control of hydraulic pulldown by displacement transducer and solenoid directional control 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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Cited By (5)
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|---|---|---|---|---|
| CN104492344A (en) * | 2015-01-07 | 2015-04-08 | 吉林大学 | Combined type rack of cubic high pressure apparatus |
| CN105628615A (en) * | 2015-12-24 | 2016-06-01 | 中国科学院合肥物质科学研究院 | Improved device for pressing diamond and aligning diamond with base |
| 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 |
| CN106622033A (en) * | 2017-02-28 | 2017-05-10 | 洛阳启明超硬材料有限公司 | Large-scale silent cubic press |
| CN110695363A (en) * | 2019-10-18 | 2020-01-17 | 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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| CN105628615A (en) * | 2015-12-24 | 2016-06-01 | 中国科学院合肥物质科学研究院 | Improved device for pressing diamond and aligning diamond with base |
| 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 |
| CN106622033A (en) * | 2017-02-28 | 2017-05-10 | 洛阳启明超硬材料有限公司 | Large-scale silent cubic press |
| 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 |
| CN110695363A (en) * | 2019-10-18 | 2020-01-17 | 成都比拓超硬材料有限公司 | Flat interface polycrystalline diamond composite material for drilling and milling |
| 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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| CN103170282B (en) | 2016-05-11 |
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