CN220696667U - Top hammer structure of hexahedral top press - Google Patents
Top hammer structure of hexahedral top press Download PDFInfo
- Publication number
- CN220696667U CN220696667U CN202322131725.1U CN202322131725U CN220696667U CN 220696667 U CN220696667 U CN 220696667U CN 202322131725 U CN202322131725 U CN 202322131725U CN 220696667 U CN220696667 U CN 220696667U
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- top hammer
- hammer
- stress
- connecting block
- head
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- 230000035882 stress Effects 0.000 abstract description 24
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 241000251131 Sphyrna Species 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of hexahedral top presses, in particular to a top hammer structure of a hexahedral top press, which comprises a first top hammer, a second top hammer, a third top hammer, a fourth top hammer, a fifth top hammer and a sixth top hammer which are used for extruding a synthetic block, wherein the first top hammer comprises a mounting plate, a connecting block and a top hammer head, and the top hammer head is hemispherical; the shape of the top hammer head can enable the stress of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer to be more uniform, and as the stress uniformity of the spherical top is good, the maximum tensile stress value acting on forty-six degree inclined planes of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer is smaller than that of a plane of the spherical surface, and the maximum shear stress value acting on the central shaft at the height of one third of the top hammer from the top surface is smaller than that of the plane of the spherical surface, so that the loss can be reduced by changing the plane of the spherical surface into the spherical surface, the peak value of external load stress and thermal stress is reduced, and the service life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of hexahedral top presses, and particularly relates to a hexahedral top press top hammer structure.
Background
The hydraulic machine for producing six-sided artificial diamond is a device for producing high pressure through oil pressure and producing high temperature through low voltage and high current, and is a main large-scale device for producing superhard material at present, when synthesizing diamond, the synthesized block needs to be placed in the top press, six top hammers extrude six faces of the synthesized block, the hard alloy top hammer is a key component forming an ultrahigh-pressure high-temperature device, and is one of main materials consumed in the production of the artificial diamond, and the production cost is high, so the top hammer consumption in the production of the artificial diamond is a very focused problem, because the shape of the top hammer is a plane, the maximum shear stress of the force applied by the top hammer occurs on a central shaft, the maximum tensile stress occurs on a 46-DEG inclined plane symmetrical line, under the high-pressure state during synthesis, if the local stress is too concentrated, the internal small cracks gradually spread to the surface, and the reason why the top hammers are generated from 46 DEG large inclined planes until the top hammers are mostly broken is the reason that the top hammers are broken, and most of the top hammers are broken down on the top inclined planes, and the top hammers are broken down on the top surfaces, and the service lives of the top hammers are reduced.
Disclosure of Invention
The utility model provides a top hammer structure of a hexahedral top press, which has the characteristics that the stress of a first top hammer, a second top hammer, a third top hammer, a fourth top hammer, a fifth top hammer and a sixth top hammer can be more uniform through the shape of the top hammer head, and the maximum tensile stress value acting on forty-six-degree inclined planes of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer is small compared with a plane of the sphere, and the maximum tangential stress value acting on a central shaft at one third of the top hammer height from the top surface is small, so that the loss can be reduced through changing the plane into a sphere, the peak value of external load stress and thermal stress is reduced, and the service life is prolonged.
The utility model provides the following technical scheme: the combined block pressing device comprises a first top hammer, a second top hammer, a third top hammer, a fourth top hammer, a fifth top hammer and a sixth top hammer, wherein the first top hammer comprises a mounting plate, a connecting block and a top hammer head, the top hammer head is hemispherical, the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer are identical in structure, a plurality of positioning telescopic rods are arranged on the connecting block in the first top hammer, a limiting frame used for positioning the combined block is detachably connected to the top of the first top hammer, a plurality of through grooves are formed in the limiting frame, and a plurality of limiting grooves are formed in the bottom of the limiting frame.
Wherein, the mounting panel is circular, just the connecting block is cylindrical.
The connecting block is fixedly connected with the mounting plate, and the top hammer head is fixedly connected with one side, away from the mounting plate, of the connecting block.
The through grooves correspond to the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer in number, and the width of the through grooves is matched with the diameter of the top hammer head.
The limiting grooves correspond to the positioning telescopic rods in position, and the limiting grooves are matched with the positioning telescopic rods in size.
The beneficial effects of the utility model are as follows: the shape of the top hammer head can enable the stress of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer to be more uniform, and as the stress uniformity of the spherical top is good, the maximum tensile stress value acting on forty-six degree inclined planes of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer is smaller than that of a plane of the spherical surface, and the maximum shear stress value acting on the central shaft at the height of one third of the top hammer from the top surface is smaller than that of the plane of the spherical surface, so that the loss can be reduced by changing the plane of the spherical surface into the spherical surface, the peak value of external load stress and thermal stress is reduced, and the service life is prolonged.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic diagram of a limiting frame in the present utility model;
FIG. 3 is a schematic view of a first jack hammer according to the present utility model;
in the figure: 1. a first jack hammer; 11. a mounting plate; 12. a connecting block; 121. positioning a telescopic rod; 13. a top hammer head; 2. a second top hammer; 3. a third top hammer; 4. a fourth jack hammer; 5. a fifth top hammer; 6. a sixth jack hammer; 7. a limiting frame; 71. a through groove; 72. and a limit groove.
Detailed Description
Referring to fig. 1-3, the present utility model provides the following technical solutions: the combined block pressing device comprises a first top hammer 1, a second top hammer 2, a third top hammer 3, a fourth top hammer 4, a fifth top hammer 5 and a sixth top hammer 6 which are used for pressing a combined block, wherein the first top hammer 1 comprises a mounting plate 11, a connecting block 12 and a top hammer head 13, the top hammer head 13 is hemispherical, the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 are identical in structure, a plurality of positioning telescopic rods 121 are arranged on the connecting block 12 in the first top hammer 1, a limiting frame 7 used for positioning the combined block is detachably connected to the top of the first top hammer 1, a plurality of through grooves 71 are formed in the limiting frame 7, and a plurality of limiting grooves 72 are formed in the bottom of the limiting frame 7.
In this embodiment: the device comprises a first top hammer 1, a second top hammer 2, a third top hammer 3, a fourth top hammer 4, a fifth top hammer 5 and a sixth top hammer 6 which are used for extruding the synthetic block, wherein the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 respectively extrude six surfaces of the synthetic block, the first top hammer 1 comprises a mounting plate 11, a connecting block 12 and a top hammer head 13, the top hammer head 13 is hemispherical, the stress can be more uniform through the shape of the top hammer head 13 because of good uniformity of the spherical top stress, the maximum tensile stress value acted on a forty-six-degree inclined plane of the first top hammer 1 is small, the structures of the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 are the same, and therefore the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 are all provided with the top hammer head 13, wherein a plurality of positioning telescopic rods 121 are arranged on a connecting block 12 in the first top hammer 1, a limiting frame 7 for positioning the synthetic block is detachably connected to the top of the first top hammer 1, the first top hammer 1 is positioned at the bottommost part, the synthetic block is required to be placed at the top of the first top hammer 1 during processing, however, the synthetic block is easy to slide down due to the hemispherical top hammer 13, the synthetic block is required to be limited by the limiting frame 7, the position of the synthetic block is fixed, the limiting frame 7 is provided with a plurality of through grooves 71, the plurality of top hammer heads 13 can be abducted by the plurality of through grooves 71, the plurality of top hammer heads 13 can enter the inside of the limiting frame 7 to extrude the synthetic block, the bottom of the limiting frame 7 is provided with a plurality of limiting grooves 72, the plurality of limiting grooves 72 are aligned with the plurality of positioning telescopic rods 121, the limiting frame 7 can be fixed on the top of the first top hammer 1, when the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 are extruded inwards, the length of the positioning telescopic rod 121 is shortened accordingly, so that interference to extrusion movement of the first top hammer 1 can be avoided, the stress of the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 can be more uniform through the shape of the top hammer head 13, and the maximum tensile stress value acting on the inclined planes of the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 is small due to good uniformity of spherical top stress, and the maximum shear stress value acting on the height of the top hammer from the top surface to the central shaft is small, so that the peak value of the outer surface can be reduced, the loss of the peak of the spherical surface can be reduced, the service life of the thermal stress can be prolonged.
The mounting plate 11 is circular, and the connecting block 12 is cylindrical; the shape of the mounting plate 11 and the connecting block 12 are matched with the top hammer 13.
The connecting block 12 is fixedly connected with the mounting plate 11, and the top hammer 13 is fixedly connected with one side of the connecting block 12 away from the mounting plate 11; the tangential plane of the top hammer 13 is fixedly connected with the connecting block 12, so the top hammer 13 is located outside and is spherical.
The number of the through grooves 71 corresponds to the number of the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6, and the width of the through grooves 71 is matched with the diameter of the top hammer head 13; when the top press runs, a plurality of top hammer heads 13 enter the inner side of the limiting frame 7 from the position of the through groove 71 to squeeze the inner synthetic blocks.
The plurality of limiting grooves 72 correspond to the positions of the plurality of positioning telescopic rods 121, and the limiting grooves 72 are matched with the positioning telescopic rods 121 in size; the stopper 7 can be positioned by making the top ends of the positioning telescopic rods 121 enter the inside of the stopper grooves 72.
The working principle and the using flow of the utility model are as follows: firstly, the limiting frame 7 is aligned with the first top hammer 1, the top ends of the positioning telescopic rods 121 enter the limiting grooves 72, then the synthesized block is placed in the limiting frame 7, the synthesized block is supported by the first top hammer 1, and after the top press starts to run, the first top hammer 1, the second top hammer 2, the third top hammer 3, the fourth top hammer 4, the fifth top hammer 5 and the sixth top hammer 6 move inwards, and the top hammer heads 13 enter the inner side of the limiting frame 7 from the positions of the through grooves 71 to squeeze the synthesized block.
Claims (5)
1. The utility model provides a hexahedral top press top hammer structure which characterized in that: the combined block pressing device comprises a first top hammer, a second top hammer, a third top hammer, a fourth top hammer, a fifth top hammer and a sixth top hammer, wherein the first top hammer comprises a mounting plate, a connecting block and a top hammer head, the top hammer head is hemispherical, the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer are identical in structure, a plurality of positioning telescopic rods are arranged on the connecting block in the first top hammer, a limiting frame used for positioning the combined block is detachably connected to the top of the first top hammer, a plurality of through grooves are formed in the limiting frame, and a plurality of limiting grooves are formed in the bottom of the limiting frame.
2. The cubic press ram structure of claim 1, wherein: the mounting plate is circular, and the connecting block is cylindrical.
3. The cubic press ram structure of claim 1, wherein: the connecting block with mounting panel fixed connection, the top tup with the connecting block is kept away from one side fixed connection of mounting panel.
4. The cubic press ram structure of claim 1, wherein: the number of the through grooves corresponds to the number of the first top hammer, the second top hammer, the third top hammer, the fourth top hammer, the fifth top hammer and the sixth top hammer, and the width of the through grooves is matched with the diameter of the top hammer head.
5. The cubic press ram structure of claim 1, wherein: the limiting grooves correspond to the positioning telescopic rods in position, and the limiting grooves are matched with the positioning telescopic rods in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131725.1U CN220696667U (en) | 2023-08-09 | 2023-08-09 | Top hammer structure of hexahedral top press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131725.1U CN220696667U (en) | 2023-08-09 | 2023-08-09 | Top hammer structure of hexahedral top press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220696667U true CN220696667U (en) | 2024-04-02 |
Family
ID=90452108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322131725.1U Active CN220696667U (en) | 2023-08-09 | 2023-08-09 | Top hammer structure of hexahedral top press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220696667U (en) |
-
2023
- 2023-08-09 CN CN202322131725.1U patent/CN220696667U/en active Active
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