CN202803207U - Multi-layer staggered split type high pressure device - Google Patents
Multi-layer staggered split type high pressure device Download PDFInfo
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- CN202803207U CN202803207U CN 201220511149 CN201220511149U CN202803207U CN 202803207 U CN202803207 U CN 202803207U CN 201220511149 CN201220511149 CN 201220511149 CN 201220511149 U CN201220511149 U CN 201220511149U CN 202803207 U CN202803207 U CN 202803207U
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Abstract
The utility model discloses a multi-layer staggered split type high pressure device, which relates to a device for synthetizing and preparing materials such as synthetic diamonds and the like, and belongs to the technical field of high pressure. The multi-layer staggered split type high pressure device comprises split blocks (2), fixed rings (3), a pressure head, a hydraulic cylinder and a rack, wherein the split blocks (2) are divided into a plurality of layers, the layers of split blocks (2) are crossly distributed, split surfaces of the split blocks (2) are planes or curved surfaces, and adjoining planes between the fixed rings (3) and the split blocks (2) and between the layers of the split blocks (2) are closely matched. The multi-layer staggered split type high pressure device can obviously increase pressure-bearing capacity and service life.
Description
Technical field
The utility model relates to a kind of multi-layer intercrossed dissection type high-pressure installation, and the synthetic preparation facilities in particular to the superhard material such as a kind of diamond synthesis, cubic boron and goods thereof and " normal pressure " lower new material that can't prepare belongs to field of high-voltage technology.
Background technology
Present ultra-high pressure apparatus mainly contains cubic press and Belt-type press.The multi-cylinder synchronous of cubic press is relatively poor, and stroke is short, and cavity is little, the higher chamber pressure of difficult acquisition; Belt-type press can be controlled pressure and temperature exactly, mainly produces the goods such as gem grade diamond.Different according to the object that applies pretightning force, that Belt-type press can be divided into is year wheeled, wound form and Wedge plate type, and wherein year wheeled is that interference fit by the multilayer steel loop produces prestressing force increasing the strength and stiffness of device, but the pretightning force that produces is limited; Wound form is to twine by certain tension force by the thin steel band of high strength or steel wire, and its pretightning force is large, compact conformation, but its pretightning force still has certain limit.The Wedge plate type Belt-type press utilizes " do not split first and divide " principle, only inner cylinder pressure is carried out subdivision, to reduce cylinder pressure in the tension that makes progress in week, still understand the burden of the outer steel loop of corresponding increase, and outside steel loop discontinuity produces easily stress and concentrates at the split surface place.Adopt multi-layer intercrossed dissection type high-pressure installation can reduce gradually the circumferential stress of each layer, particularly can reduce the circumferential stress on the retainer ring, make device stressed more even, simultaneously, can also increase cavity volume.In addition, can also reduce problem of stress concentration after the faying face of subdivision piece suitably processed, further increase the service life of device.In addition, described multi-layer intercrossed dissection type high-pressure installation can also needing be used for the plastic working of larger internal pressure.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, cavity is large, bearing capacity is strong, the life-span is high ultra-high pressure apparatus, can be widely used in the synthetic and plastic working of the new material under the high-temperature and high-pressure conditions.
The technical solution of the utility model accompanying drawings is as follows:
The utility model provides a kind of multi-layer intercrossed dissection type high-pressure installation, and it comprises subdivision piece 2, retainer ring 3 and pressure head, hydraulic cylinder and frame, and described subdivision piece 2 is divided into multilayer, interlaced arrangement between each layer subdivision piece 2.The split surface of described subdivision piece 2 is plane or curved surface, and between described retainer ring 3 and the described subdivision the piece 2 and composition surface between layers of described subdivision piece 2 closely cooperates.
According to described constituted mode, the hoop that can significantly reduce internal layer is stressed, radial pressure in the cavity 1 passes to external stability ring 3 by subdivision piece 2, because successively restriction between inner each layer subdivision piece 2, make load gradually decay in the process of transmitting, it is excessive and produce damage inactivation to avoid outer retainer ring 3 to bear pressure.When the split surface of described subdivision piece is curved surface, can increase the mutual restriction between the same layer subdivision piece 2, the transmission of the radial load that further decays, the bearing capacity of increase external stability ring 3.
In addition, the radial thickness of described each layer subdivision piece 2 is identical or different.
According to described constituted mode, each layer subdivision piece 2 can make each layer subdivision piece 2 have close bearing capacity according to subdivision piece 2 position different designs suitable thickness when transmitting and decay cavity 1 internal pressure, thereby makes device stressed more evenly rationally.
In addition, the number of described subdivision piece 2 internal layers equals or more than outer field number.
According to described constituted mode, internal layer subdivision piece 2 numbers are equaled or more than outer subdivision piece 2 numbers, pressure in the cavity 1 can suitably be decayed in through each layer subdivision piece 2 transmittance process, further reduces the circumference stress of outer retainer ring 3, is conducive to bear higher pressure.Increase the circumference stress that innermost layer subdivision piece 2 numbers are conducive to reduce cavity 1 inwall, reduce the circumferential stress that outer subdivision piece 2 numbers are conducive to reduce retainer ring 3.
In addition, between described retainer ring 3 and the described subdivision the piece 2 and composition surface between layers of described subdivision piece 2 is the face of cylinder, hyperboloid, parabola or other composite surface.
According to described constituted mode, make region of stress concentration increase thickness, and the passivation acute angle, avoid its stress in outer subdivision piece 2 inwalls or retainer ring 3 inwalls generation transition to concentrate.
In addition, described retainer ring 3 is the single or multiple lift barrel-type, interference fit between layers when described retainer ring 3 is the multi-layer cylinder formula.
According to described constituted mode, make retainer ring 3 inwalls the assembling compression occur, make pressure in transmittance process, at first overcome the compression of retainer ring 3 inwalls, the bearing capacity of aggrandizement apparatus, and reduce retainer ring 3 inboard wall stress.
In addition, described subdivision piece 2 outermost layers or retainer ring 3 use steel band or the fixing also pretension of steel wire winding.
According to described constituted mode, retainer ring 3 is applied larger pretightning force, the bearing capacity of aggrandizement apparatus, and reduce retainer ring 3 inboard wall stress.
In addition, the height of described each layer subdivision piece 2 from inside to outside staged successively increases, or the continuous transition formula increases.
According to described constituted mode, each layer height increases from inside to outside gradually, not only can avoid the increase of internal layer subdivision piece 2 axial stresses, can also increase the Area of bearing of retainer ring 3, thereby correspondingly increase the bearing capacity of device.
In addition, described pressure head is monoblock type cone or combined type cone.
According to described constituted mode, described pressure head is axially being exerted pressure to cavity 1, also can exert pressure simultaneously to cavity 1 and subdivision piece 2, make subdivision piece 2 assemblys be in the three dimension stress state, reduce the circumferential pulling force of subdivision piece 2, improve the bearing capacity of subdivision piece 2 assemblys, can also guarantee at cavity 1 interior generation high pressure simultaneously.
In addition, the material of described each layer subdivision piece 2 is different, internal layer subdivision piece 2 near cavity is high hardness material (carbide alloy, cubic boron nitride, diamond or ceramic material), outer subdivision piece 2 near retainer ring is steel alloy or ordinary carbon steel, and described retainer ring 3 materials are steel alloy or ordinary carbon steel.
According to described constituted mode, make internal layer adopt high rigidity and dystectic material, can avoid device in course of exerting pressure, to destroy; And according to the device stressing conditions, outer cheap material, the saving cost of adopting.
Technique effect of the present utility model: described multi-layer intercrossed dissection type high-pressure installation, because described subdivision piece 2 is multi-layer intercrossed cooperation, can reduce the circumference stress of internal layer, and owing to successively limit the transmission of the radial pressure that can decay between each layer subdivision piece 2, make outer retainer ring 3 be unlikely to bear too large circumference stress, thereby make each layer of device stressed evenly rationally.The suitable face of cylinder, hyperboloid or parabola are adopted in composition surface between each layer subdivision piece 2 outer different layers, make subdivision piece 2 increase thickness at the place, composition surface, and passivation acute angle, avoiding producing excessive stress in lower one deck relevant position of the power of transmission concentrates, thereby make subdivision piece 2 or retainer ring 3 inwalls stressed evenly, and then make device can bear larger pressure.In addition, when subdivision piece 2 small volume, the sintering quality of Hardmetal materials can be significantly improved, simultaneously, the volume of cavity 1 can be significantly increased.
Description of drawings
Fig. 1 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 10 of an embodiment of the present utility model.
Fig. 2 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 20 of another embodiment of the present utility model.
Fig. 3 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 30 of another embodiment of the present utility model.
Fig. 4 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 40 of another embodiment of the present utility model.
Fig. 5 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 50 of another embodiment of the present utility model.
Fig. 6 is the top view of the related multi-layer intercrossed dissection type high-pressure installation 60 of another embodiment of the present utility model.
Fig. 7 is longitudinal section Figure 70 of multi-layer intercrossed dissection type high-pressure installation 10 of the present utility model.
Fig. 8 is another kind of longitudinal section Figure 80 of multi-layer intercrossed dissection type high-pressure installation 10 of the present utility model.
Wherein:
1.... cavity
2.... subdivision piece
3..... retainer ring
10... multi-layer intercrossed dissection type high-pressure installation 10
20... multi-layer intercrossed dissection type high-pressure installation 20
30... multi-layer intercrossed dissection type high-pressure installation 30
40... multi-layer intercrossed dissection type high-pressure installation 40
50... multi-layer intercrossed dissection type high-pressure installation 50
60... multi-layer intercrossed dissection type high-pressure installation 60
70... longitudinal section Figure 70 of multi-layer intercrossed dissection type high-pressure installation 10
80... another kind of longitudinal section Figure 70 of multi-layer intercrossed dissection type high-pressure installation 10
The specific embodiment
Further the related multi-layer intercrossed dissection type high-pressure installation of the utility model is described below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram of the related multi-layer intercrossed dissection type high-pressure installation 10 of an embodiment of the present utility model.
Multi-layer intercrossed dissection type high-pressure installation 10 comprises (not shown) such as subdivision piece 2, retainer ring 3 and pressure head, hydraulic cylinder, frames, and it is 5 layers (being not limited to 5 layers) that subdivision piece 2 is divided into, and the 2 staggered combinations of each layer subdivision piece, and cavity 1 is surrounded by subdivision piece 2; Same layer subdivision piece 2 is to be formed according to identical cut-space annulus by the plane by axis, and subdivision piece 2 assemblys are embedded in the retainer ring 3, and subdivision piece 2 closely cooperates with retainer ring 3; In multi-layer intercrossed dissection type high-pressure installation 10, inner subdivision piece 2 assembly two ends can be the conical surface (with reference to figure 7), utilize massive support principle to improve the intensity of inner subdivision piece 2 and pressure head; The end face of each layer subdivision piece 2 can also increase (with reference to figure 8) by similar parabolic (or hyperbola formula) continuously gradually, can certainly staged successively increase, can increase thus the Area of bearing of external stability ring 3, reduce the circumferential stress of retainer ring 3.Internal layer subdivision piece 2 materials near cavity 1 adopt high rigidity and the exotic materials such as carbide alloy, and outside subdivision piece 2 and retainer ring 3 materials adopt steel alloy or ordinary carbon steel.In addition, it is fastening to adopt steel band or steel wire directly subdivision piece 2 assemblys to be carried out, and can also adopt steel band or steel wire that retainer ring 3 is applied pretightning force, further improves the bearing capacity of device.Transmission medium (such as pyrophillite) and synthetic (such as graphite) are housed in the cavity 1, produce super-pressure by two the pressure head extrusion chambers 1 to the top, pressure head can be monoblock type cone or combined type cone, pressure head can also be exerted pressure to cavity 1, also can exert pressure simultaneously to cavity 1 and subdivision piece 2 assemblys, pressure head is controlled by hydraulic cylinder.
Fig. 2 is the schematic diagram of multi-layer intercrossed dissection type high-pressure installation 20 related in another embodiment of the present utility model.
For the ease of narration, only describe with regard to the difference of multi-layer intercrossed dissection type high-pressure installation 20 with multi-layer intercrossed dissection type high-pressure installation 10 here.In multi-layer intercrossed dissection type high-pressure installation 20, subdivision piece 2 has 4 layers, and the split surface of each layer subdivision piece 2 is without the axis of subdivision piece 2 assemblys, and split surface is the face of cylinder, can certainly be other curved surfaces.Every one deck subdivision piece 2 all is to have to distort the fan-shaped of angle, make mutually restriction between the same layer subdivision piece 2, increase the attenuation degree of pressure, and fan-shaped deflection is opposite between the adjacent two layers, offset the torque between each layer subdivision piece 2, improve controllability and the stability of device.
Fig. 3 is the schematic diagram of multi-layer intercrossed dissection type high-pressure installation 30 related in another embodiment of the present utility model.
For the ease of narration, only describe with regard to the difference of multi-layer intercrossed dissection type high-pressure installation 30 with multi-layer intercrossed dissection type high-pressure installation 10 here.In multi-layer intercrossed dissection type high-pressure installation 30, each layer subdivision piece 2 thickness are different, thickness reduces gradually from inside to outside, subdivision piece 2 can produce moment of flexure under the effect of radial pressure, and larger near subdivision piece 2 radial pressures of cavity 1, and moment of flexure is also large, and outer subdivision piece 2 suffered radial pressures reduce along with the increase of radius, its moment of flexure is also along with reducing, and therefore the thickness near the subdivision piece 2 of cavity 1 is larger, helps to reduce the bending stress of subdivision piece 2.
Fig. 4 is the schematic diagram of multi-layer intercrossed dissection type high-pressure installation 40 related in another embodiment of the present utility model.
For the ease of narration, only describe with regard to the difference of multi-layer intercrossed dissection type high-pressure installation 40 with multi-layer intercrossed dissection type high-pressure installation 10 here.In multi-layer intercrossed dissection type high-pressure installation 40, each layer subdivision piece 2 numbers reduce (being 24-12-12-6-3) from inside to outside successively, and staggered cooperation the between each layer subdivision piece 2, and the variation of its number also is not limited only to this certainly.In addition, the size of each layer subdivision piece 2 also can be different, and as in ground floor, the fan angle is that 15 ° subdivision piece 2 and fan angle is the combination that can interlock of 45 ° subdivision piece 2.
Fig. 5 is the schematic diagram of multi-layer intercrossed dissection type high-pressure installation 50 related in another embodiment of the present utility model.
For the ease of narration, only describe with regard to the difference of multi-layer intercrossed dissection type high-pressure installation 50 with multi-layer intercrossed dissection type high-pressure installation 10 here.The composition surface of each layer subdivision piece 2 is the face of cylinder, and curvature is greater than the curvature of the outer tangent plane of its assembly, thereby the generation of avoiding stress to concentrate and then increases the bearing capacity of subdivision piece 2 and retainer ring 3, improves device service life.The composition surface of subdivision piece 2 is not limited to the face of cylinder, also can be other curved surfaces such as hyperboloid, parabola, ellipsoid.
Fig. 6 is the schematic diagram of multi-layer intercrossed dissection type high-pressure installation 60 related in another embodiment of the present utility model.
For the ease of narration, only describe with regard to the difference of multi-layer intercrossed dissection type high-pressure installation 60 with multi-layer intercrossed dissection type high-pressure installation 10 here.In multi-layer intercrossed dissection type high-pressure installation 60, retainer ring 3 is divided into two-layer, interference fit between the two-layer retainer ring 3.Certainly also be not limited to the interference fit between the two-layer retainer ring 3, as adopt three layers of retainer ring 3, and all adopt interference fit between ring and the ring.Also can adopt in addition steel band or steel wire that subdivision piece 2 assemblys or outer field retainer ring 3 are twined, make retainer ring 3 produce pretightning force, further improve the bearing capacity of device.
Fig. 7 is longitudinal section Figure 70 of multi-layer intercrossed dissection type high-pressure installation 10 of the present utility model.
In the Figure 70 of the longitudinal section of multi-layer intercrossed dissection type high-pressure installation 10, internal layer subdivision piece 2 upper and lower end faces respectively form taper seat, all the other outer each subdivision pieces about in the of 2 both ends of the surface be the plane, and highly equal.When the coning angle of taper seat is the obtuse angle, then can enlarge markedly the intensity of pressure head according to massive support principle; When the cone angle of taper seat is acute angle, then be conducive to improve rapidly cavity 1 pressure.The cone angle of the taper seat that certainly, cuts out also can be the right angle.In addition, the height of outside each layer subdivision piece 2 also can be different, and being from inside to outside staged increases, and can increase thus the Area of bearing of retainer ring 3, reduces the tension of retainer ring 3, increases the equipment safety coefficient.In addition, the characteristic that has of described cross section 70 also is adapted to above-described various multi-layer intercrossed dissection type high-pressure installation.
Fig. 8 is another kind of longitudinal section Figure 80 of multi-layer intercrossed dissection type high-pressure installation 10 of the present utility model.
In the Figure 80 of the longitudinal section of multi-layer intercrossed dissection type high-pressure installation 10, each layer subdivision piece 2 upper and lower end faces are respectively the taper seat of different cone angle, also can be the shapes such as hyperboloid or parabola, and subdivision piece 2 increases continuously highly from the inside to the outside.Therefore can increase the Area of bearing of retainer ring 3, reduce the tension of retainer ring 3, increase the equipment safety coefficient.In addition, the characteristic that has of described cross section 80 also is adapted to above-described various multi-layer intercrossed dissection type high-pressure installation.
Multi-layer intercrossed dissection type high-pressure installation provided by the utility model, every layer can suitably reduce the circumferential stress of device in course of exerting pressure, after being set, multilayer can significantly improve its bearing capacity and service life, and assembling is simple, when near subdivision piece 2 carbide alloy that adopts of cavity 1 or diamond, because subdivision block 2 is long-pending less, can also improve the quality of sintered body, and can increase the volume of cavity 1, bearing capacity and the service life that can also improve device.
Claims (8)
1. multi-layer intercrossed dissection type high-pressure installation, comprise subdivision piece, retainer ring, pressure head, hydraulic cylinder and frame, it is characterized in that: described subdivision piece is divided into multilayer, interlaced arrangement between each layer subdivision piece, the split surface of described subdivision piece is plane or curved surface, and between described retainer ring and the described subdivision piece and the composition surface between layers of described subdivision piece closely cooperates.
2. multi-layer intercrossed dissection type high-pressure installation according to claim 1, it is characterized in that: the radial thickness of described each layer subdivision piece is identical or different.
3. multi-layer intercrossed dissection type high-pressure installation according to claim 1 is characterized in that: the number of described subdivision piece internal layer equals or more than outer field number.
4. multi-layer intercrossed dissection type high-pressure installation according to claim 1, it is characterized in that: between described retainer ring and the described subdivision piece and the composition surface between layers of described subdivision piece is the face of cylinder, hyperboloid, parabola or other composite surface.
5. multi-layer intercrossed dissection type high-pressure installation according to claim 1, it is characterized in that: described retainer ring is the single or multiple lift barrel-type, when described retainer ring is the multi-layer cylinder formula, interference fit between layers.
6. multi-layer intercrossed dissection type high-pressure installation according to claim 1 is characterized in that: the fixing also pretension of described subdivision piece outermost layer or retainer ring use steel band or steel wire winding.
7. multi-layer intercrossed dissection type high-pressure installation according to claim 1, it is characterized in that: the height of described each layer subdivision piece from inside to outside staged successively increases, or the continuous transition formula increases.
8. according to claim 1 to 7 each described multi-layer intercrossed dissection type high-pressure installations, it is characterized in that: described pressure head is monoblock type cone or combined type cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511149 CN202803207U (en) | 2012-09-30 | 2012-09-30 | Multi-layer staggered split type high pressure device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511149 CN202803207U (en) | 2012-09-30 | 2012-09-30 | Multi-layer staggered split type high pressure device |
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| CN202803207U true CN202803207U (en) | 2013-03-20 |
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| CN 201220511149 Expired - Fee Related CN202803207U (en) | 2012-09-30 | 2012-09-30 | Multi-layer staggered split type high pressure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872755A (en) * | 2012-09-30 | 2013-01-16 | 吉林大学 | Multi-layer staggered split type high-pressure device |
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- 2012-09-30 CN CN 201220511149 patent/CN202803207U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872755A (en) * | 2012-09-30 | 2013-01-16 | 吉林大学 | Multi-layer staggered split type high-pressure device |
| CN102872755B (en) * | 2012-09-30 | 2014-12-24 | 吉林大学 | Multi-layer staggered split type high-pressure device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |