CN210499793U - Novel manual grinding and polishing clamp for metallographic sample - Google Patents
Novel manual grinding and polishing clamp for metallographic sample Download PDFInfo
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- CN210499793U CN210499793U CN201921476397.6U CN201921476397U CN210499793U CN 210499793 U CN210499793 U CN 210499793U CN 201921476397 U CN201921476397 U CN 201921476397U CN 210499793 U CN210499793 U CN 210499793U
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Abstract
The utility model discloses a novel manual grinding and polishing clamp for metallographic samples, which belongs to the technical field of sample grinding and polishing devices and comprises a handle, wherein the side wall of the handle is circumferentially and uniformly provided with a scale I, the bottom surface of the handle is fixedly connected with a sample clamping cylinder, a cavity is arranged inside the sample clamping cylinder, sample fastening screw holes are respectively formed in two opposite sides of the side wall of the sample clamping cylinder, the sample fastening screw holes are internally threaded with screws, the outer wall of the sample clamping cylinder is in threaded connection with a feeding outer cylinder, a plurality of feeding outer cylinder fastening screw holes are circumferentially and symmetrically formed in the side wall of the feeding outer cylinder, the feeding outer cylinder fastening screw holes are internally threaded with screws, the outer wall of the feeding outer cylinder is circumferentially and uniformly provided with a scale II, the scale II corresponds to the scale I, and the bottom of the feeding outer cylinder is fixedly; the utility model discloses anchor clamps have guaranteed to grind and have thrown roughness, accuracy, improve the manual success rate of throwing the metallographic sample that grinds, reduce the useless appearance rate.
Description
Technical Field
The utility model belongs to the technical field of the sample is ground and is thrown device, concretely relates to novel manual grinding of metallographic specimen throws anchor clamps.
Background
In the process of material research and development performed by scientific research departments such as schools, research institutes and the like, the characteristics of the microstructure of the material need to be known, and metallographic samples generally need to be analyzed. Most microstructure of metallographic experiments needs to be polished (rough and fine) and polished after sampling and mounting. The investigation finds that: most foreign research institutions use automatic grinding and polishing machines with high automation degree, various (grinding) polishing clamps are complete in types, but the price is high, and the use cost is high. The control, abrasive paper and clamp of various domestic automatic grinding and polishing machines are unreasonably designed or not fine enough, so that the utilization rate of the automatic grinding and polishing machines with high automation degree in most domestic scientific research colleges is finally low, manual sample holding work is needed for completing metallographic phase preparation by using the conventional grinding and polishing machines, but the problems of excessive grinding and polishing and uneven grinding and polishing of samples in the grinding and polishing process are caused by the operation mode of the conventional sample holding, the sample waste rate is improved, and a large amount of time of scientific research personnel is wasted. For the situations, a metallographic sample (grinding) polishing clamp aiming at the grinding and polishing process of a conventional grinding and polishing machine needs to be designed, so that the success rate of manually grinding and polishing the metallographic sample is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel manual grinding and polishing clamp for metallographic samples solves the above problems.
The technical proposal adopted by the utility model is that a novel metallographic sample manual grinding and polishing clamp comprises a handle, the side wall of the handle is uniformly provided with scales I along the circumferential direction, one side of the handle is perpendicular to the handle and is fixedly connected with a sample clamping cylinder, a cavity is arranged in the sample clamping cylinder, sample fastening screw holes are respectively arranged on two opposite sides of the side wall of the sample clamping cylinder, the sample fastening screw hole is internally threaded with a screw, the sample clamping cylinder is externally threaded with a feeding outer cylinder, a plurality of feeding outer cylinder fastening screw holes are symmetrically arranged on the circumferential direction of the side wall of the feeding outer cylinder, screws are connected in the feeding outer cylinder fastening screw holes in an internal thread manner, scales II are uniformly arranged on the outer wall of the feeding outer barrel in the circumferential direction and correspond to the scales I, and one end, far away from the handle, of the feeding outer barrel is fixedly connected with a wear-resistant ceramic surface.
Preferably, the wear-resistant ceramic surface is zirconia ceramic.
Preferably, the outer diameter of the handle is equal to the outer diameter of the feed outer cylinder.
Preferably, the accuracy of the scale I and the scale II is 1 μm.
Preferably, the screw is a headless nylon screw, the headless nylon screw comprises a nylon thread column, and a groove is formed in the top of the nylon thread column.
Preferably, the handle, the sample holding cylinder and the feeding outer cylinder are all made of hard aluminum alloy.
The utility model has the advantages that: compare for handheld mill throw sample with needs, the utility model provides an anchor clamps can guarantee to grind and throw roughness, accuracy, improve the manual success rate of throwing the metallographic sample of mill, reduce the useless appearance rate, reduce scientific research personnel's mill throw time.
Drawings
Fig. 1 is a schematic structural view of a novel manual grinding and polishing clamp for metallographic samples provided by the utility model;
FIG. 2 is a schematic diagram of the sample holding cartridge and handle of FIG. 1;
FIG. 3 is a schematic view of the detailed structure of the feed cylinder in FIG. 1;
FIG. 4 is a schematic view of a specific structure of a headless nylon screw;
FIG. 5 is a schematic view of a sample holding collet holding a metallographic sample during use;
FIG. 6 is a schematic view of the structure of FIG. 4 showing the threaded connection of the feed cylinder during use;
FIG. 7 is a diagram of the polishing effect of the copper-zirconium alloy polishing pad of the present invention.
Description of reference numerals:
1. the handle, 11, scale I, 2, a sample centre gripping section of thick bamboo, 21, sample fastening screw hole, 3, feed urceolus, 31, scale II, 32, feed urceolus fastening screw hole, 4, wear-resisting ceramic face, 5, metallographic specimen, 6, nylon screw post, 61, recess.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
A novel manual grinding and polishing clamp for metallographic samples is shown in figures 1-3 and comprises a handle 1, scales I11 are uniformly arranged on the circumferential direction of the side wall of the handle 1, one side of the handle 1 is perpendicular to a sample clamping barrel 2 fixedly connected with the handle 1, the sample clamping barrel 2 is used for clamping metallographic samples needing to be processed, threads are arranged on the outer portion of the sample clamping barrel 2, a cavity is arranged inside the sample clamping barrel 2, sample fastening screw holes 21 are respectively formed in two opposite sides of the side wall of the sample clamping barrel 2, screws are connected in the sample fastening screw holes 21 in a threaded manner and are headless nylon screws, the headless nylon screws comprise nylon threaded columns 6, grooves 61 are formed in the tops of the nylon threaded columns 6, metallographic samples 5 are placed in the inner cavities of the sample clamping barrel 2, the nylon threaded columns 6 are placed in the sample fastening screw holes 21, and a screwdriver is clamped in the groove 61, a nylon threaded column 6 is screwed into a sample fastening screw hole 21 to fix a metallographic sample 5, the sample clamping cylinder 2 is in threaded connection with a feeding outer cylinder 3, a plurality of feeding outer cylinder fastening screw holes 32 are symmetrically formed in the circumferential direction of the side wall of the feeding outer cylinder 3, the feeding outer cylinder fastening screw holes 32 are in threaded connection with screws which are also headless nylon screws as shown in figure 6, when the sample clamping cylinder is used, the feeding outer cylinder 3 is in threaded connection with the sample clamping cylinder 2 fixed with the metallographic sample, after the feeding outer cylinder 3 and the sample clamping cylinder 2 are in threaded connection with proper positions, the headless nylon screws are inserted into the feeding outer cylinder fastening screw holes 32 to keep the positions of the feeding outer cylinder 3 and the sample clamping cylinder 2 fixed, the circumferential direction of the outer wall of the feeding outer cylinder 3 is uniformly provided with scales II 31, and the outer diameter of the handle 1 is equal to the outer diameter of the feeding outer cylinder 3, the scale II 31 with the corresponding setting of scale I11, and scale I11 with the accuracy of scale II 31 is 1 mu m, the urceolus 3 of feeding is kept away from handle one end fixedly connected with wear-resisting ceramic face 4, wear-resisting ceramic face 4 are zirconia ceramic, have guaranteed the wearability of mould, the handle 1 the sample centre gripping section of thick bamboo 2 with the urceolus 3 of feeding is the stereoplasm aluminum alloy, has guaranteed the mould lightweight.
When in use, a metallographic sample 5 is placed in the inner cavity of a sample clamping cylinder 2, a nylon threaded column 6 is placed in a sample fastening screw hole 21 and clamped in a groove 61 by a screwdriver, the nylon threaded column 6 is screwed into the sample fastening screw hole 21 to fix the metallographic sample 5, then a feeding outer cylinder 3 is in threaded connection with the outside of the sample clamping cylinder 2 fixed with the metallographic sample, when the surface of the metallographic sample 5 and a wear-resistant ceramic surface 4 are in the same plane, the scales on the sample clamping cylinder 2 and the feeding outer cylinder 3 are carefully observed to further rotate (the scales I11 and the scales II 31 are correspondingly arranged, the accuracy of the scales is the same, and are both 1 mu m, therefore, the screwed-out length of the metallographic sample can be determined by observing the change of the relative positions of the scales I11 and the scales II 31 during rotation, and after the metallographic sample 5 is rotated out to 50 mu m away from the wear-resistant ceramic surface 4, the method comprises the steps of putting headless nylon screws into fastening screw holes 32 of a feeding outer barrel, screwing tightly, fixing the positions of a sample clamping barrel 2 and the position of a feeding outer barrel 3, then carrying out subsequent grinding and polishing processes, selecting the length of a feeding metallographic sample 5 according to different thicknesses of abrasive paper, feeding the metallographic sample 5 with the thickness of 10 mu m in each grinding step, and not feeding the metallographic sample 5 in each polishing step, wherein in each grinding step, alcohol is required to carry out ultrasonic treatment on the whole mold (with the sample) for 10min, acetone ultrasonic treatment is forbidden, and only when the sample is completely polished and unloaded, the sample is subjected to acetone or acid-base subsequent treatment processes independently to prevent the wear-resistant ceramic surface 4 from falling off.
Taking the metal copper zirconium alloy as an example, polishing is carried out by the method, as can be seen from fig. 7, the sample is polished by holding the sample by hand before use in the graph (a), the periphery of the sample is easy to be uneven, and after the utility model is used, as shown in the graph (b), the flatness and the smoothness of the sample are obviously improved.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel manual anchor clamps of throwing that grinds of metallographic specimen, its characterized in that, includes handle (1), handle (1) lateral wall circumference evenly is equipped with scale I (11), handle (1) one side perpendicular to handle (1) fixedly connected with sample clamping barrel (2), sample clamping barrel (2) inside is equipped with the cavity, sample fastening screw hole (21) have been seted up respectively to sample clamping barrel (2) lateral wall relative both sides, sample fastening screw hole (21) female connection has the screw, sample clamping barrel (2) male connection has feeding urceolus (3), a plurality of feeding urceolus fastening screw holes (32) have been seted up to feeding urceolus (3) lateral wall circumference symmetry, feeding urceolus fastening screw hole (32) female connection has the screw, feeding urceolus (3) outer wall circumference evenly is equipped with scale II (31), the scale II (31) and the scale I (11) are correspondingly arranged, and the feeding outer barrel (3) is far away from one end of the handle (1) and is fixedly connected with a wear-resistant ceramic surface (4).
2. The novel manual grinding and polishing clamp for metallographic samples according to claim 1, wherein the wear-resistant ceramic surface (4) is made of zirconia ceramic.
3. The novel manual grinding and polishing clamp for metallographic samples according to claim 1 is characterized in that the outer diameter of the handle (1) is equal to that of the feeding outer cylinder (3).
4. The novel manual grinding and polishing clamp for metallographic samples according to claim 1 is characterized in that the accuracy of the scale I (11) and the accuracy of the scale II (31) are both 1 μm.
5. The novel manual grinding and polishing clamp for the metallographic sample according to claim 1, wherein the screw is a headless nylon screw which comprises a nylon threaded column (6), and a groove (61) is formed in the top of the nylon threaded column (6).
6. The novel manual grinding and polishing clamp for metallographic samples according to claim 1 is characterized in that the handle (1), the sample clamping cylinder (2) and the feeding outer cylinder (3) are all made of hard aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476397.6U CN210499793U (en) | 2019-09-05 | 2019-09-05 | Novel manual grinding and polishing clamp for metallographic sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476397.6U CN210499793U (en) | 2019-09-05 | 2019-09-05 | Novel manual grinding and polishing clamp for metallographic sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210499793U true CN210499793U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476397.6U Expired - Fee Related CN210499793U (en) | 2019-09-05 | 2019-09-05 | Novel manual grinding and polishing clamp for metallographic sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210499793U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546229A (en) * | 2020-06-05 | 2020-08-18 | 业成科技（成都）有限公司 | Grinding equipment, grinding jig and using method thereof |
| CN113324823A (en) * | 2021-06-21 | 2021-08-31 | 潍坊歌尔电子有限公司 | Manual grinding and polishing metallographic section auxiliary set and auxiliary tool |
| CN115972042A (en) * | 2022-11-30 | 2023-04-18 | 广西电网有限责任公司电力科学研究院 | Handheld metallographic grinding and polishing auxiliary tool and metallographic specimen grinding and polishing method |
-
2019
- 2019-09-05 CN CN201921476397.6U patent/CN210499793U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546229A (en) * | 2020-06-05 | 2020-08-18 | 业成科技（成都）有限公司 | Grinding equipment, grinding jig and using method thereof |
| CN111546229B (en) * | 2020-06-05 | 2021-08-10 | 业成科技（成都）有限公司 | Grinding equipment, grinding jig and using method thereof |
| CN113324823A (en) * | 2021-06-21 | 2021-08-31 | 潍坊歌尔电子有限公司 | Manual grinding and polishing metallographic section auxiliary set and auxiliary tool |
| CN115972042A (en) * | 2022-11-30 | 2023-04-18 | 广西电网有限责任公司电力科学研究院 | Handheld metallographic grinding and polishing auxiliary tool and metallographic specimen grinding and polishing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20210905 |