CN220498794U - Metallographic specimen grinding and polishing clamping structure - Google Patents
Metallographic specimen grinding and polishing clamping structure Download PDFInfo
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- CN220498794U CN220498794U CN202322068845.1U CN202322068845U CN220498794U CN 220498794 U CN220498794 U CN 220498794U CN 202322068845 U CN202322068845 U CN 202322068845U CN 220498794 U CN220498794 U CN 220498794U
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Abstract
本实用新型提供了一种金相试样磨抛夹持结构，其属于金相试样制备技术领域，其包括：固定组件，所述固定组件用于对半轴套管体和法兰盘进行夹持固定，包括磨抛组件，所述磨抛组件用于对试样进行磨光和抛光，包括工作台、抛光机和放置框，所述抛光机设置于工作台的上方，所述工作台的上方固定连接有放置框；四个夹持组件，每个所述夹持组件均设于磨抛组件的上方，用于对试样进行夹持固定，包括限位筒、移动板、螺纹杆、两根支撑杆和弹性夹持板。本实用新型解决了对试样进行固定时拆装不便，以及在夹持固定时不牢固的问题，能够对对矩形和筒状的试样均进行较为牢固的夹持固定，防止在磨抛的过程中试样发生位置偏离。
The utility model provides a metallographic sample grinding and polishing holding structure, which belongs to the technical field of metallographic sample preparation. Clamping and fixing, including grinding and polishing components, the grinding and polishing components are used to grind and polish the samples, including a workbench, a polishing machine and a placement frame, the polishing machine is arranged above the workbench, the workbench There is a placement frame fixedly connected to the top of , two support rods and elastic clamping plates. The utility model solves the problems of inconvenient disassembly and assembly when fixing the sample, as well as the problem of instability when clamping and fixing. It can clamp and fix both rectangular and cylindrical samples more firmly, and prevents the sample from being damaged during grinding and polishing. The sample position deviated during the process.
Description
Technical Field
The utility model relates to the technical field of metallographic specimen preparation, in particular to a metallographic specimen grinding and polishing clamping structure.
Background
The metallographic analysis is one of the important means of metal material test research, and the quantitative metallographic principle is adopted, and the three-dimensional space morphology of the alloy structure is determined by the measurement and calculation of the metallographic microstructure of the two-dimensional metallographic specimen grinding surface or film, so that the quantitative relation among alloy components, structures and performances is established.
During metallographic analysis, the sample is generally required to be polished and polished, and during the polishing and polishing, the sample is required to be clamped and fixed by a clamping structure in order to displace.
The conventional metallographic specimen polishing and clamping structure generally comprises the following structures: publication number CN211465822U discloses a metallographic specimen grinds throws clamping device, includes: the device comprises a bracket, a hand wheel, a trapezoidal screw, a connecting plate and a sample embedding disc, wherein a screw supporting plate is fixed on the bracket, screw nuts are fixed on the screw supporting plate and the connecting plate, the upper end of the trapezoidal screw is fixedly connected with the hand wheel, and the lower end of the trapezoidal screw is fixedly connected with the screw nuts on the connecting plate after passing through the screw nuts on the screw supporting plate, and a spring is arranged between the connecting plate and the sample embedding disc; a plurality of embedding holes are arranged on the sample embedding disc and are used for installing metallographic samples.
From the device, the existing metallographic specimen polishing clamping structure often has the following technical problems:
when using glue to fix the sample, it is very inconvenient to dismantle the installation, and use the grip block to fix the sample, again can't adjust the grip block according to the shape difference of sample, can't guarantee that the grip block can hug closely the lateral wall of sample, leads to the centre gripping effect to arc sample relatively poor, causes easily in the in-process of polishing, and the deviation of sample emergence position has reduced the polishing effect to the sample.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a metallographic specimen grinding and polishing clamping structure, which solves the problems of inconvenient disassembly and assembly when the specimen is fixed and unstable clamping and fixing in the prior art.
The embodiment of the utility model provides a metallographic specimen polishing clamping structure, which comprises the following components:
the polishing assembly is used for polishing and polishing the sample and comprises a workbench, a polishing machine and a placing frame, wherein the polishing machine is arranged above the workbench, and the placing frame is fixedly connected above the workbench;
four clamping assemblies, every clamping assembly all locates the top of polishing the subassembly for it is fixed to carry out the centre gripping to the sample, including spacing section of thick bamboo, movable plate, threaded rod, two spinal branch vaulting poles and elastic grip block, the outer wall fixedly connected with of placing the frame is spacing section of thick bamboo, sliding connection has the movable plate in the spacing section of thick bamboo, the outer wall rotation of placing the frame is connected with the threaded rod, the movable plate is run through by the threaded rod, and is equipped with the screw groove with threaded rod screw-thread fit on its inner wall that is run through, two spinal branch vaulting poles of fixedly connected with on the movable plate, two the bracing piece all extends to the inside of placing the frame, and fixedly connected with elastic grip block.
Preferably, the method further comprises: the control assembly is arranged on the periphery of the frame in the grinding and polishing assembly and used for driving four clamping assemblies to work simultaneously, the four clamping assemblies comprise a fixed disc, a rotating ring, four transmission rods, four first bevel gears, four second bevel gears, four first gears, a motor and a second gear, the fixed disc is fixedly connected to the outer wall of the frame, the rotating ring is rotationally connected to the fixed disc, the four transmission rods are rotationally connected to the fixed disc, the first bevel gears are in interference fit with the tops of the four transmission rods, the second bevel gears are in interference fit with one sides of the four threaded rods close to the transmission rods, the four first bevel gears are meshed with the four second bevel gears respectively, the first gears are in interference fit with the bottoms of the transmission rods, the motor is arranged below the fixed disc, and an output shaft of the motor extends to the upper portion of the fixed disc and is fixedly connected with the second gears.
Preferably, the inner wall of the rotating ring is provided with inner tooth grooves which are meshed with the four first gears to drive the inner tooth grooves, and the outer wall of the rotating ring is provided with outer tooth grooves which are meshed with the second gears.
Preferably, the four elastic clamping plates are provided with anti-slip films at one side close to the center of the placement frame.
Preferably, a cushion pad is fixedly connected to the inside of the placement frame.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the clamping assembly is arranged, when a sample is clamped and fixed, the moving plate can be driven to move through the rotation of the threaded rod, and then the elastic clamping plate is pushed by the two support rods, so that the elastic clamping plate can be bent to be tightly attached to the side wall of the sample, the rectangular and cylindrical samples can be clamped and fixed more firmly, the position deviation of the sample in the grinding and polishing process is prevented, and the grinding and polishing effect on the sample is improved.
2. According to the utility model, the control assembly is arranged, the second gear can be driven by the motor to rotate, the rotating ring is driven by the external gear groove to rotate, the first gear and the transmission rod are driven by the rotating ring to rotate through the internal tooth groove, and the four threaded rods are driven by the first bevel gear and the second bevel gear to synchronously rotate, so that four elastic clamping plates can clamp and fix the periphery of a sample, the clamping effect is good, only one motor is needed, the cost is reduced, the operation is convenient, and the disassembly and the assembly are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a metallographic specimen polishing and clamping structure according to an embodiment of the present utility model.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a top view of a placement frame in the metallographic specimen polishing and clamping structure according to an embodiment of the present utility model.
Fig. 4 is an enlarged view at B in fig. 3.
In the above figures: 1. grinding and polishing components; 11. a work table; 12. polishing machine; 13. placing a frame; 2. a clamping assembly; 21. a limiting cylinder; 22. a moving plate; 23. a threaded rod; 24. a support rod; 25. an elastic clamping plate; 3. a control assembly; 31. a fixed plate; 32. a rotating ring; 33. a transmission rod; 34. a first bevel gear; 35. a second bevel gear; 36. a first gear; 37. a motor; 38. and a second gear.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 3, an embodiment of the present utility model provides a metallographic specimen polishing and clamping structure, which includes:
the polishing assembly 1 is used for polishing and polishing a sample and comprises a workbench 11, a polishing machine 12 and a placing frame 13, wherein the polishing machine 12 is arranged above the workbench 11, and the placing frame 13 is fixedly connected above the workbench 11;
wherein, be equipped with control panel on the workstation 11, can control the operation of mechanical equipment on the workstation 11 through control panel, the staff of being convenient for operates.
Wherein, the polishing machine 12 can rotate above the workbench 11 through the rotating shaft, and meanwhile, the polishing disc on the polishing machine 12 can be driven to move upwards through the hydraulic cylinder to polish and polish the sample, which is the mature prior art, and is applied to various metallographic sample polishing machines, and excessive description is not repeated here.
Wherein, place the inside fixedly connected with blotter of frame 13, prevent that the sample from taking place to collide with the inner wall of placing frame 13 when placing in placing frame 13, avoid causing the damage to the sample.
The four clamping assemblies 2 are arranged above the polishing assembly 1 and used for clamping and fixing a sample, and comprise a limiting cylinder 21, a moving plate 22, threaded rods 23, two supporting rods 24 and an elastic clamping plate 25, wherein the limiting cylinder 21 is fixedly connected with the outer wall of the placing frame 13, the moving plate 22 is slidably connected in the limiting cylinder 21, the threaded rods 23 are rotatably connected with the outer wall of the placing frame 13, the moving plate 22 is penetrated by the threaded rods 23, a threaded groove matched with the threaded rods 23 in a threaded manner is formed in the penetrated inner wall of the moving plate 22, the two supporting rods 24 are fixedly connected to the moving plate 22, and the two supporting rods 24 extend into the placing frame 13 and are fixedly connected with the elastic clamping plate 25;
wherein, one side that four elasticity grip blocks 25 are close to placing frame 13 center all is equipped with the anti-skidding membrane, can improve the fixed effect of elasticity grip blocks 25 to the centre gripping of sample for the sample is difficult for taking place to rotate.
Wherein, movable plate 22 sliding connection can play spacing effect to movable plate 22 in the inner wall of spacing section of thick bamboo 21, prevents that movable plate 22 from following the rotation of threaded rod 23, takes place to rotate.
The detailed working procedure of this embodiment is: during operation, a sample is placed in the placement frame 13, then four threaded rods 23 start to rotate, the movable plate 22 is driven to move, and then the elastic clamping plate 25 is pushed by the two support rods 24, the elastic clamping plate 25 has certain elasticity, when the sample is in a cylinder shape, the two support rods 24 extrude two sides of the elastic clamping plate 25, and the elastic clamping plate 25 can be bent to be clung to the side wall of the sample, so that the rectangular and cylinder-shaped sample can be clamped and fixed firmly, position deviation of the sample in the grinding and polishing process is prevented, and the grinding and polishing effect on the sample is improved.
Because the rotation of four threaded rods 23 can be adjusted, consequently the distance that movable plate 22 moved can be adjusted, and the distance that elastic clamping plate 25 moved can also be adjusted, can carry out the centre gripping spacing to the sample of equidimension not, and application scope is wider, and the practicality is stronger.
As shown in fig. 2 and fig. 4, in another embodiment of the present utility model, a control assembly 3 is disposed on a peripheral side of a placement frame 13 in the polishing assembly 1, and is used for driving four clamping assemblies 2 to work simultaneously, the control assembly 3 includes a fixed disc 31, a rotating ring 32, four transmission rods 33, four first bevel gears 34, four second bevel gears 35, four first gears 36, a motor 37 and a second gear 38, a fixed disc 31 is fixedly connected to an outer wall of the placement frame 13, the rotating ring 32 is rotatably connected to the fixed disc 31, four transmission rods 33 are rotatably connected to the fixed disc 31, first bevel gears 34 are respectively in interference fit with tops of the four transmission rods 33, second bevel gears 35 are respectively in interference fit with one sides of the four threaded rods 23 close to the transmission rods 33, the four first bevel gears 34 are respectively meshed with the four second bevel gears 35, a first gear 36 is respectively in interference fit with a lower part of each transmission rod 33, a motor 37 is disposed below the fixed disc 31, and an output shaft of the motor 37 extends to an upper part of the fixed disc 31, and is fixedly connected with a second gear 38.
The inner wall of the rotating ring 32 is provided with inner tooth grooves which are meshed with the four first gears 36 to drive the inner tooth grooves, and the outer wall of the rotating ring 32 is provided with outer tooth grooves which are meshed with the second gears 38 to drive the rotating ring 32 to rotate when the second gears 38 rotate, and drive the four first gears 36 to rotate when the rotating ring 32 rotates.
The detailed working procedure of this embodiment is: during operation, the second gear 38 is driven to rotate through the motor 37, the rotating ring 32 is driven to rotate through the external tooth grooves, the rotating ring 32 drives the first gear 36 and the transmission rod 33 to rotate through the internal tooth grooves, and the four threaded rods 23 are driven to synchronously rotate through the first bevel gear 34 and the second bevel gear 35, so that the four elastic clamping plates 25 can clamp and fix the periphery of a sample, the clamping effect is good, only one motor 37 is needed, the cost is reduced, the operation is convenient, and the disassembly and the assembly are convenient.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322068845.1U CN220498794U (en) | 2023-08-01 | 2023-08-01 | Metallographic specimen grinding and polishing clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322068845.1U CN220498794U (en) | 2023-08-01 | 2023-08-01 | Metallographic specimen grinding and polishing clamping structure |
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| Publication Number | Publication Date |
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| CN220498794U true CN220498794U (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322068845.1U Active CN220498794U (en) | 2023-08-01 | 2023-08-01 | Metallographic specimen grinding and polishing clamping structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118809368A (en) * | 2024-09-19 | 2024-10-22 | 江西省盛邦光学有限公司 | Double-sided polishing device for manufacturing optical lenses |
-
2023
- 2023-08-01 CN CN202322068845.1U patent/CN220498794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118809368A (en) * | 2024-09-19 | 2024-10-22 | 江西省盛邦光学有限公司 | Double-sided polishing device for manufacturing optical lenses |
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Effective date of registration: 20251107 Granted publication date: 20240220 |
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