CN202517353U - Mechanical pre-thinning device for preparing TEM (Transmission Electron Microscope) film sample - Google Patents
Mechanical pre-thinning device for preparing TEM (Transmission Electron Microscope) film sample Download PDFInfo
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- CN202517353U CN202517353U CN2012201958300U CN201220195830U CN202517353U CN 202517353 U CN202517353 U CN 202517353U CN 2012201958300 U CN2012201958300 U CN 2012201958300U CN 201220195830 U CN201220195830 U CN 201220195830U CN 202517353 U CN202517353 U CN 202517353U
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- line slideway
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- transmission electron
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Abstract
The utility model relates to a mechanical pre-thinning device for preparing a TEM (Transmission Electron Microscope) film sample. The device is suitable for the preparation of the TEM film sample of metal materials and the like. and comprises a base, an upper linear guide rail, a lower linear guide rail, an upper slide block, a lower slide block, a slide block connecting plate, a stop block, a buffer gasket, a sand paper backing plate and a material loading part. By adopting the technical scheme, the device disclosed by the utility model has the beneficial effects of being simple in structure and capable of providing the effects of stable grinding strength and high parallelism of a grinding surface and the like, thus increasing the pre-thinning grinding efficiency and the reliability; and in addition, the device has very good expandability and is capable of being further transformed to be at an electric mode from a manual mode.
Description
Technical field
The utility model relates to a kind of machinery that is used for transmission electron microscope film sample preparation attenuate device in advance, is applicable to the preparation of the transmission electron microscope film sample of metal material etc.
Background technology
Electron microscope as one of the most great invention of 20th century has become indispensable scientific research of numerous scientific research fields and analysis means.Owing to receive the scattering of atomic nucleus and electron outside nucleus during electron synchrotron, thus the ability of penetration of electrons sample very a little less than.Be applicable to that the sample requirement that transmission electron microscopy is observed has enough thin thickness, is generally 5 to 200 nanometers.One of approach of preparation sample for use in transmitted electron microscope be by bulk sample step by step attenuate be prepared into film sample; Its process roughly is divided into two stages: at first be to utilize mechanical reduction method or chemical reduction method to carry out preparatory attenuate, and then utilize electrobrightening method or ion milling method to process film.Film sample preparation for most of materials; In preparatory the most frequently used method of attenuate stage is the mechanical reduction method, and 0.4 to 1 millimeter the sheet sample that promptly Wire EDM or emery wheel slicer is cut is ground to 40 to 80 microns step by step with the abrasive paper for metallograph of a series of granularities.In practical operation, vast researcher has been developed the concrete grammar and the auxiliary equipment of multiple mechanical reduction.Utilize rubber rubber wipe with sheet sample push with abrasive paper for metallograph on and back and forth or to grind along the figure of eight be one of the simplest method, but, make grinding efficiency lower because the frictional force between ganoid sheet sample and the erasing rubber is limited.Though utilizing adhesives such as 502 glue or PUR sheet sample to be fixed on the lump of size to fit, surfacing has solved the fastness problem and has improved grinding efficiency with the abrasive paper for metallograph abrasive method again; But, make the range of application of this method reduce owing to when sample loads and unloads, using the acetone equal solvent or sample being heated.The patent No. is that the structure of describing in the patent of ZL201120275063.X can effectively must solve the problem that exists in above-mentioned two kinds of methods.But, in the mechanical lapping process, also there is other outstanding problem, be exactly how to solve the control of grinding dynamics and the assurance of the both sides abradant surface depth of parallelism.In order to address these problems, more existing mechanical grinding devices are sold on the market, though function is comparatively improved expensive.Also have patent (like ZL200920012745.1 and ZL200920277988.0 etc.) to propose some mechanical lapping servicing units very cleverly, but these devices also exist structure show slightly the part of complicated, device can be in the process of ground sample by problems such as wearing and tearing together.In sum, at present sample for use in transmitted electron microscope machinery is remained to be developed in the road of the research and development of attenuate device in advance.
Summary of the invention
The machinery that is used for the preparation of transmission electron microscope film sample that the purpose of the utility model provides a kind of simple in structure, highly effective is the attenuate device in advance; Stable grinding dynamics, high effects such as the abradant surface depth of parallelism can be provided, thereby improve machinery attenuate grinding efficiency and reliability in advance.
The technical scheme of the utility model is:
A kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample, this deviceComprise base, go up line slideway, following line slideway, top shoe, sliding block, slide block connecting plate, limited block, buffering spacer, sand paper backing plate, counterweight and loading part;
Wherein, said loading part is made up of objective table, sleeve, bush support, micro slide and micro slide folder;
Said backing plate places on the upper surface of said base; Said line slideway down is fixed on the said base through said limited block, and said buffering spacer is arranged on the said limited block, and said sliding block is arranged on the said line slideway down; Can slide along said line slideway down; Said top shoe is fixed on the upper surface of said sliding block through said slide block connecting plate, and the said line slideway of going up is arranged on the said top shoe, and an end and the said bush support of said upward line slideway are affixed; Said bush support adopts bonding or welding manner to be fixedly connected with said sleeve, and said objective table places in the said sleeve, and said counterweight is installed on said objective table top, and said micro slide is installed on the bottom of said objective table through the micro slide folder.
Further, said base, time line slideway, slide block connecting plate, limited block, last line slideway top shoe, sliding block are 45 steel or 304 stainless steel processing and fabricatings.
Further, said sand paper backing plate is a poly (methyl methacrylate) plate.
Further, said buffering spacer (5) is a rubber sheet gasket.
The beneficial effect of the utility model is: owing to adopt technique scheme, the utility model is simple in structure, and stable grinding dynamics, high effects such as the abradant surface depth of parallelism can be provided, thereby improves machinery attenuate grinding efficiency and reliability in advance.In addition, device also has good expandability, can further transform electronic mode as from manual mode.
Description of drawings
Fig. 1 is the exploded view of all parts of the utility model;
Fig. 2 is the assembling design sketch of objective table part;
Fig. 3 is the assembling design sketch of whole device.
Among the figure:
1. base 2. descends line slideway, 3. slide block connecting plate, 4. limited block, 5. buffering spacer, 6. sand paper backing plate, 7. sleeve, 8. bush support, 9. objective table, 10. micro slide, 11. micro slides folder, 12. counterweights, line slideway on 13., 14. top shoes, 15. glide fast.
The specific embodiment
With reference to the accompanying drawings the preparatory attenuate device of the machinery of transmission electron microscope film sample preparation is elaborated.But the material of the parts described in the following specific embodiment, size, shape etc. are merely simple instance explanation, do not constitute the restriction to this practical new protection domain.
Shown in accompanying drawing, this practical a kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample comprisesBase 1, down line slideway 2, slide block connecting plate 3, limited block 4, buffering spacer 5, sand paper backing plate 6, sleeve 7, bush support 8, objective table 9, micro slide 10, micro slide folder 11, counterweight 12, go up line slideway 13, top shoe 14 and glide fast 15;
Sand paper backing plate 6 places on the upper surface of base 1, and following line slideway 2 is fixed on the base 1 through limited block 4, and buffering spacer 5 is provided with on the medial surface of limited block 4; Sliding block 15 is arranged on down on the line slideway 2; Can be along line slideway 2 slips down, top shoe 14 is fixed in through slide block connecting plate 3 on the upper surface of sliding block 15, and last line slideway 13 is arranged on the top shoe 14; Last line slideway 13 can slide along top shoe 14, and an end and the bush support 8 of last line slideway 13 are affixed; Bush support 8 adopts 502 glue to fix with sleeve 7, and objective table 9 places in the sleeve 7, and counterweight 12 is installed on objective table 9 tops, and micro slide 10 is installed on the lower end of objective table 9 through micro slide folder 11.
After each component-assembled become structure shown in Figure 3, need carry out the adjustment of the depth of parallelism between micro slide 10 and the sand paper backing plate 6.Method of adjustment is similar with the normal method for using of device; Fixed sample on micro slide 10 not just; But the abrasive paper for metallograph that operating means directly is secured on the sand paper backing plate 6 micro slide 10 grinds repeatedly; Cut on micro slide 10 is even, the existing very high depth of parallelism between micro slide 10 and the sand paper backing plate 6 is described, the depth of parallelism requirement in the time of can guaranteeing ground sample.
During use, abrasive paper for metallograph is pasted on the sand paper backing plate 6, sample is fixed on the micro slide 10, moving load part is placed in the sleeve 7, the top shoe 14 that hand-held connecting plate 3 is connected, sliding block 15 positions are along line slideway 2 is reciprocating down.Can adjust the grinding dynamics through counterweight 12.
Claims (4)
1.
A kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample is characterized in that this deviceComprise base (1), following line slideway (2), slide block connecting plate (3), limited block (4), buffering spacer (5), sand paper backing plate (6), counterweight (12), go up line slideway (13), top shoe (14), sliding block (15) and loading part;
Wherein, said loading part is made up of sleeve (7), bush support (8), objective table (9), micro slide (10), micro slide folder (11);
Said sand paper backing plate (6) places on the upper surface of said base (1); Said line slideway (2) down is fixed on the said base (1) through said limited block (4); Said buffering spacer (5) is arranged on the said limited block (4); Said sliding block (15) is arranged on the said line slideway (2) down; Said top shoe (14) is fixed on the upper surface of said sliding block (15) through said slide block connecting plate (3), and the said line slideway (13) of going up is arranged on the said top shoe (14), and an end and the said bush support (8) of said upward line slideway (13) are affixed; The other end of said bush support (8) adopts bonding or welding manner to be fixedly connected with said sleeve (7); Said objective table (9) places in the said sleeve (7); Said counterweight (12) is installed on the top of said objective table (9), and said micro slide (10) is installed on the lower end of said objective table (9) through micro slide folder (11).
2. according to claim 1
A kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample is characterized in that,Said base (1), time line slideway (2), slide block connecting plate (3), limited block (4), last line slideway (13) top shoe (14), sliding block (15) are 45 steel or 304 stainless steel processing and fabricatings.
3. according to claim 1
A kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample is characterized in that, said sand paper backing plate (6) is a poly (methyl methacrylate) plate.
4. according to claim 1
A kind of preparatory attenuate device of machinery that is used for the preparation of transmission electron microscope film sample is characterized in that, said buffering spacer (5) is a rubber sheet gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201958300U CN202517353U (en) | 2012-04-28 | 2012-04-28 | Mechanical pre-thinning device for preparing TEM (Transmission Electron Microscope) film sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201958300U CN202517353U (en) | 2012-04-28 | 2012-04-28 | Mechanical pre-thinning device for preparing TEM (Transmission Electron Microscope) film sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517353U true CN202517353U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201958300U Expired - Fee Related CN202517353U (en) | 2012-04-28 | 2012-04-28 | Mechanical pre-thinning device for preparing TEM (Transmission Electron Microscope) film sample |
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| Country | Link |
|---|---|
| CN (1) | CN202517353U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926085A (en) * | 2017-04-28 | 2017-07-07 | 中国工程物理研究院应用电子学研究所 | A kind of strip cantilever support thin lens burnishing device |
| CN108645264A (en) * | 2018-05-22 | 2018-10-12 | 广豪汽车配件（合肥）有限公司 | A kind of ultra-thin heat-exchange tube of low power consuming high efficiency |
| CN113933126A (en) * | 2021-10-15 | 2022-01-14 | 南京理工大学 | Mechanical grinding device for high-precision preparation of metallographic and transmission electron microscope film samples |
| CN114670117A (en) * | 2021-10-11 | 2022-06-28 | 沈阳博研科器科技有限公司 | Thinning and polishing device for sample balanced grinding |
-
2012
- 2012-04-28 CN CN2012201958300U patent/CN202517353U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926085A (en) * | 2017-04-28 | 2017-07-07 | 中国工程物理研究院应用电子学研究所 | A kind of strip cantilever support thin lens burnishing device |
| CN108645264A (en) * | 2018-05-22 | 2018-10-12 | 广豪汽车配件（合肥）有限公司 | A kind of ultra-thin heat-exchange tube of low power consuming high efficiency |
| CN114670117A (en) * | 2021-10-11 | 2022-06-28 | 沈阳博研科器科技有限公司 | Thinning and polishing device for sample balanced grinding |
| CN113933126A (en) * | 2021-10-15 | 2022-01-14 | 南京理工大学 | Mechanical grinding device for high-precision preparation of metallographic and transmission electron microscope film samples |
| CN113933126B (en) * | 2021-10-15 | 2024-04-16 | 南京理工大学 | Mechanical grinding device for high-precision preparation of metallographic and transmission electron microscope film samples |
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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: 20121107 Termination date: 20150428 |
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| EXPY | Termination of patent right or utility model |