CN215067509U - Sample clamp for observing upright metallographic microscope - Google Patents
Sample clamp for observing upright metallographic microscope Download PDFInfo
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- CN215067509U CN215067509U CN202121217486.6U CN202121217486U CN215067509U CN 215067509 U CN215067509 U CN 215067509U CN 202121217486 U CN202121217486 U CN 202121217486U CN 215067509 U CN215067509 U CN 215067509U
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Abstract
The utility model discloses a sample clamp for observing an upright metallographic microscope, which comprises a U-shaped structure, a pair of horizontal insertion pieces, a fine adjustment screw and a coarse adjustment screw, wherein the U-shaped structure is provided with a sample accommodating space, the pair of horizontal insertion pieces are inserted into the upper end of the U-shaped structure, are in contact with a sample observation surface and horizontally calibrate the sample observation surface, the fine adjustment screw is in threaded connection with the upper parts of two opposite side walls of the U-shaped structure and is used for fixing a sample, and the coarse adjustment screw is in threaded connection with the lower parts of the two opposite side walls of the U-shaped structure and is used for fixing the sample; an observation gap for exposing the sample observation surface is arranged between the pair of horizontal inserting pieces. The utility model discloses utilize horizontal inserted sheet horizontal positioning sample observation face, sample observation face edge supports horizontal inserted sheet promptly and can guarantee to observe the horizontal state that the region is for can facing focus, conveniently marks observation face and objective table and keeps the level, obtains better observation effect to changed in the past and leaned on manual regulation repeatedly still can't transfer the problem of horizontal state with sample observation face.
Description
Technical Field
The utility model relates to an anchor clamps especially relate to an upright metallographic microscope sample anchor clamps for observation.
Background
The metallographic microscope can be used for analyzing the tissue structures of various metals and alloy materials, and the principle is to utilize reflected light rays on the surface of a sample for imaging. The most commonly used metallographic microscope is the upright metallographic microscope. When the sample is observed under the upright metallographic microscope, the sample observation surface needs to be vertical to the objective lens, namely the sample observation surface is horizontal to the objective table, otherwise, the microscope cannot focus on the surface, so that the observation visual field part is clear and partially blurred, and the observation and the analysis of the sample are influenced.
In the actual metallographic sample preparation process, under the influence of various factors such as sample shape irregularity and grinding and polishing proficiency, more time is consumed for grinding and polishing multiple surfaces or a long time of the sample, so that the upper surface and the lower surface of the prepared sample are completely parallel and stable in placement, and time and labor are wasted.
For a sample which is not easy to polish, the sample is generally pinched by tweezers or plasticine is adhered to the bottom of the sample to adjust the level of an observation surface, and the sample inevitably shakes or creeps to influence the observation effect; the existing metallographic fixture also has the problems of large volume, incapability of directly calibrating a horizontal plane and the like; and traditional metallography anchor clamps for the quick adjustment observation face level can invert the sample sometimes, and the observation face is to putting down and operate on the desktop, though convenient calibration level so, has certain wearing and tearing to stain to the sample observation face, influences the observation effect, for example when observing the tiny second phase particle of sample, in case stain the dust granule and can directly influence the metallography evaluation result.
Therefore, there is a need to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a can be fast horizontal location sample observation face just put metallography microscope and observe and use sample holder.
The technical scheme is as follows: for the purpose of the realization, the utility model discloses a just putting metallographic microscope sample anchor clamps for observation, its characterized in that: the device comprises a U-shaped structure with a sample containing space, a pair of horizontal inserting pieces which are inserted into the upper end of the U-shaped structure, are in contact with a sample observation surface and horizontally mark the sample observation surface, fine adjusting screws which are in threaded connection with the upper parts of two opposite side walls of the U-shaped structure and are used for fixing a sample, and coarse adjusting screws which are in threaded connection with the lower parts of the two opposite side walls of the U-shaped structure and are used for fixing the sample; an observation gap for exposing the sample observation surface is arranged between the pair of horizontal inserting pieces.
The upper parts of the inner side surfaces of the two opposite side walls of the U-shaped structure are provided with straight grooves, and the horizontal insertion pieces are provided with straight connecting parts matched with the straight grooves.
Preferably, the upper parts of the inner side surfaces of the two opposite side walls of the U-shaped structure are provided with T-shaped grooves, and the horizontal insertion pieces are provided with T-shaped connecting parts matched with the T-shaped grooves.
Furthermore, the upper parts of the inner side surfaces of the two opposite side walls of the U-shaped structure are provided with L-shaped grooves, and the horizontal insertion pieces are provided with L-shaped connecting parts matched with the L-shaped grooves.
Furthermore, the upper parts of the inner side surfaces of the two opposite side walls of the U-shaped structure are provided with wedge grooves, and the horizontal insertion pieces are provided with wedge connecting parts matched with the wedge grooves.
Preferably, the observation gap has an area of S1, the sample observation surface has an area of S2, and
further, the diameter of the fine adjustment screw is smaller than that of the coarse adjustment screw.
Preferably, a plurality of fine adjustment threaded holes matched with the fine adjustment screws are formed in two opposite side walls of the U-shaped structure, and a plurality of coarse adjustment threaded holes matched with the coarse adjustment screws are formed in two opposite side walls of the U-shaped structure.
And moreover, the fine adjustment threaded holes and the coarse adjustment threaded holes are arranged in sequence in a decreasing number from top to bottom.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model utilizes the horizontal inserting sheet to horizontally position the sample observation surface, namely the edge of the sample observation surface is propped against the horizontal inserting sheet to ensure that the observation area is in a horizontal state capable of focusing, the observation surface and the objective table are conveniently calibrated to keep horizontal, and a better observation effect is obtained, thereby changing the problem that the sample observation surface can not be adjusted to the horizontal state by manual repeated adjustment in the past;
(2) when the utility model is used, only the edge of the observation surface of the sample is contacted with the horizontal insertion sheet, and the other observation surfaces are in a suspended state, so that the observation effect cannot be influenced by contact abrasion pollution in the observation area, and the phenomenon that the observation surface is polluted by abrasion in order to quickly adjust the level of the observation surface by the traditional clamp, thereby influencing the metallographic evaluation result is avoided;
(3) the U-shaped structure placing structure of the utility model is stable, a certain supporting function is provided between the horizontal inserting sheet and the side wall, the coarse adjusting screw and the fine adjusting screw only need to fix and support the sample, the horizontal inserting sheet can calibrate the position of the sample, the horizontal position of the sample observation surface does not need to be repeatedly adjusted and searched, and the side wall of the U-shaped structure can not be subjected to excessive extrusion force; therefore, the utility model can ensure that the clamp does not generate excessive deformation after being clamped for many times, the corresponding horizontal inserting piece does not deform, the horizontal positioning function can be kept, and the service life is long; the clamp is small in stress and deformation, so that the size of the clamp can be smaller, and a better using effect is achieved under the condition that the adjusting distance between the lens of the upright microscope and the objective table is smaller;
(4) the gap between a pair of horizontal insertion pieces in the utility model can be adjusted in a sliding way, enough observation areas can be reserved for samples with different observation areas, and the visual field area for the experimenter to observe is larger;
(5) the utility model discloses usable coarse adjusting screw fixation jumbo size sample utilizes fixed jumbo size sample of fine tuning screw, thin sample and plays the fine setting effect to the fixed of jumbo size sample, makes the utility model discloses an anchor clamps universality is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial schematic view of a U-shaped structure in embodiment 2 of the present invention;
fig. 3 is a partial schematic view of a horizontal insert in embodiment 2 of the present invention;
fig. 4 is a partial schematic view of a U-shaped structure in embodiment 3 of the present invention;
fig. 5 is a partial schematic view of a horizontal insert in embodiment 3 of the present invention;
fig. 6 is a partial schematic view of a U-shaped structure in embodiment 4 of the present invention;
fig. 7 is a partial schematic view of a horizontal insert in embodiment 4 of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in figure 1, the utility model relates to a just putting metallographic microscope and observing and using sample anchor clamps, including U type structure 1, a pair of horizontal inserted sheet 2, fine tuning screw 3 and coarse tuning screw 4. U type structure 1 one side has the opening, and U type structure 1 has and holds the sample space, and the sample is put into U type structure from the opening part. U type structure 1 includes the lateral wall that two relative settings set up and the diapire that is used for connecting two lateral walls, and straight groove 101 has been seted up on the medial surface upper portion of two relative lateral walls, has on the horizontal inserted sheet 2 with straight groove phase adaptation straight connecting portion 201, horizontal inserted sheet 2 from the opening part of U type structure insert straight groove 101 in, horizontal inserted sheet material has certain intensity, and with that smooth level of sample contact. When in use, the edge part of the sample observation surface is propped against the horizontal insertion piece 2, and the horizontal calibration of the sample observation surface is completed. Have between 2 horizontal inserted sheets and supply sample observation face to expose observation clearance 5 outside, and horizontal inserted sheet can slide along U type structure lateral wall round trip to adjust the size of observing clearance 5 according to different sample sizes, the area of observing clearance 5 is S1, and the area of sample observation face is S2, and
rigid metal material is chooseed for use to the material of U type structure, and because the horizontal inserted sheet can play certain supporting role to the lateral wall during the use, and the use need not relapse adjusting screw, so the wall thickness of U type structure can be thinner than ordinary metallography observation anchor clamps and also can not produce fatigue deformation simultaneously, makes the utility model discloses a possible littleer of volume adapts to just putting less adjusting distance between microscopical camera lens and the objective table.
The utility model discloses the diameter of well fine tuning screw 3 is less than coarse tuning bolt 4's diameter, and 3 threaded connection of fine tuning screw are in U type structure double-phase to lateral wall upper portion, and 4 threaded connection of coarse tuning bolt are in U type structure double-phase to lateral wall lower part, and fine tuning screw 3 is fit for the meticulous location of small-size sample, thin wall sample or jumbo size sample, and coarse tuning bolt 4 is fit for the coarse location of jumbo size sample. Two opposite side walls of the U-shaped structure 1 are provided with a plurality of fine adjustment threaded holes 6 matched with the fine adjustment screws, and two opposite side walls of the U-shaped structure are provided with a plurality of coarse adjustment threaded holes 7 matched with the coarse adjustment screws. The fine adjustment threaded holes 6 and the coarse adjustment threaded holes 7 are sequentially arranged in a reduced number from top to bottom, and the number of the threaded holes close to the vertical plane in the U-shaped structure is more than that of the threaded holes far away from the vertical plane; the threaded holes are arranged according to the rule that the upper part close to the horizontal insertion piece is small in aperture and large in number, the lower part is large in aperture and small in number, and the number close to the vertical plane is large. The number of the coarse adjustment threaded holes 7 can be more than that of the coarse adjustment bolts 4, so that the coarse adjustment bolts 4 can be fixed at proper positions conveniently when in use; the number of fine adjustment screw holes 6 can be more than the number of fine adjustment screws 3, and the fine adjustment screws 3 are fixed at proper positions when being used conveniently. When the horizontal inserting piece is used, the horizontal inserting piece is inserted into the U-shaped structure, a sample is placed into the U-shaped structure, a non-observation area of a sample observation surface is abutted against the horizontal inserting piece, the sample observation surface is exposed between observation gaps, the sample is fixed by adjusting the coarse adjusting bolt 4 and/or the fine adjusting bolt 3, and at the moment, the sample observation area is calibrated to be in a horizontal state and can be observed. Specifically, for a large-size sample, after the large-size sample is placed in the U-shaped structure, the rough adjusting screw 4 selects a proper rough adjusting threaded hole to be screwed into the side wall of the rough adjusting threaded hole and abut against the large-size sample to play a rough positioning sample, and then the fine adjusting screw 3 is screwed into a proper fine adjusting threaded hole 6 and abuts against the large-size sample to play a fine positioning sample; for small-size samples or thin-wall samples, after the small-size samples or the thin-wall samples are placed in the U-shaped structures, the fine adjustment screws 3 are screwed into the appropriate fine adjustment threaded holes 6 and abut against the small-size samples or the thin-wall samples, and then fine positioning can be achieved.
When a crack sample is observed, the longitudinal section with cracks of the sample is polished, the other side with an irregular sample shape does not need to be processed, and the influence on the depth and the width of the crack caused by long-time polishing processing of sample preparation can be reduced. The horizontal inserting pieces are inserted into the U-shaped structure, the observation gap between the horizontal inserting pieces is adjusted, a sample is clamped by tweezers and placed into the U-shaped structure, the edge part of the observation surface abuts against the horizontal inserting pieces, a sample observation area is exposed between the horizontal inserting pieces, a coarse adjustment threaded hole and a fine adjustment threaded hole which are in proper positions are selected, coarse adjustment bolts and fine adjustment screws with different sizes are used for performing coarse adjustment and fine adjustment to fix the sample, the observation surface of the sample is attached to the horizontal inserting pieces, and the sample can be used for observation.
When observing the lamellar sample, because not good centre gripping, can invert the U type structure, insert a set of horizontal inserted sheet and adjust and observe the clearance, take the lamellar sample on inserting good horizontal inserted sheet, the sample observation region still is unsettled state this moment, can not contact the desktop and produce the pollution, selects the position of the fixed lamellar sample of fine tuning screw and fine tuning screw hole, makes the sample support horizontal inserted sheet, just puts whole structure after fixed, can be used for observing.
Example 2
As shown in fig. 2 and 3, the structure of embodiment 2 is the same as that of embodiment 1, except that: t type groove 102 has been seted up on the medial surface upper portion of the double-phase opposite lateral wall of U type structure 1, has T type connecting portion 202 with T type groove looks adaptation on the horizontal inserted sheet 2, and horizontal inserted sheet 2 inserts in T type groove 102 from the opening part of U type structure. The T-shaped connecting portion 202 of the horizontal insertion piece is matched with the T-shaped groove 102, so that the horizontal insertion piece is more tightly connected with the U-shaped structure.
Example 3
As shown in fig. 4 and 5, the structure of embodiment 3 is the same as that of embodiment 1, except that: l-shaped grooves 103 are formed in the upper portions of the inner side faces of the two opposite side walls of the U-shaped structure, L-shaped connecting portions 203 matched with the L-shaped grooves are formed in the horizontal inserting pieces 2, and the horizontal inserting pieces 2 are inserted into the L-shaped grooves 103 from the opening of the U-shaped structure.
Example 4
As shown in fig. 6 and 7, the structure of embodiment 4 is the same as that of embodiment 1, except that: the upper portions of the inner side surfaces of the two opposite side walls of the U-shaped structure are provided with wedge grooves 104, the horizontal inserting pieces 2 are provided with wedge connecting portions 204 matched with the wedge grooves, and the horizontal inserting pieces 2 are inserted into the wedge grooves 104 from the opening of the U-shaped structure.
Claims (9)
1. The utility model provides a just put metallographic microscope and observe and use sample anchor clamps which characterized in that: the device comprises a U-shaped structure (1) with a sample containing space, a pair of horizontal inserting pieces (2) which are inserted into the upper end of the U-shaped structure, contacted with a sample observation surface and horizontally demarcated the sample observation surface, fine adjusting screws (3) which are in threaded connection with the upper parts of two opposite side walls of the U-shaped structure and used for fixing a sample, and rough adjusting screws (4) which are in threaded connection with the lower parts of the two opposite side walls of the U-shaped structure and used for fixing the sample; an observation gap (5) for exposing the sample observation surface is arranged between the pair of horizontal inserting pieces.
2. The upright metallographic microscope specimen holder according to claim 1, wherein: the U-shaped structure (1) is characterized in that straight grooves (101) are formed in the upper portions of the inner side faces of the two opposite side walls, and the horizontal inserting pieces (2) are provided with straight connecting portions (201) matched with the straight grooves.
3. The upright metallographic microscope specimen holder according to claim 1, wherein: t-shaped grooves (102) are formed in the upper portions of the inner side faces of the two opposite side walls of the U-shaped structure (1), and T-shaped connecting portions (202) matched with the T-shaped grooves are formed in the horizontal inserting pieces (2).
4. The upright metallographic microscope specimen holder according to claim 1, wherein: l-shaped grooves (103) are formed in the upper portions of the inner side faces of the two opposite side walls of the U-shaped structure (1), and L-shaped connecting portions (203) matched with the L-shaped grooves are formed in the horizontal inserting pieces (2).
5. The upright metallographic microscope specimen holder according to claim 1, wherein: the upper parts of the inner side surfaces of two opposite side walls of the U-shaped structure (1) are provided with wedge grooves (104), and the horizontal inserting pieces (2) are provided with wedge connecting parts (204) matched with the wedge grooves.
6. The upright of claim 1Sample anchor clamps are used in metallographic microscope observation, its characterized in that: the area of the observation gap (5) is S1, the area of the sample observation surface is S2, and
7. the upright metallographic microscope specimen holder according to claim 1, wherein: the diameter of the fine adjustment screw (3) is smaller than that of the coarse adjustment bolt (4).
8. The upright metallographic microscope specimen holder according to claim 1, wherein: and a plurality of fine adjustment threaded holes (6) matched with the fine adjustment screws are formed in two opposite side walls of the U-shaped structure (1), and a plurality of coarse adjustment threaded holes (7) matched with the coarse adjustment screws are formed in two opposite side walls of the U-shaped structure.
9. The upright metallographic microscope specimen holder according to claim 8, wherein: the fine adjustment threaded holes (6) and the coarse adjustment threaded holes (7) are arranged in a decreasing number from top to bottom in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217486.6U CN215067509U (en) | 2021-06-02 | 2021-06-02 | Sample clamp for observing upright metallographic microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217486.6U CN215067509U (en) | 2021-06-02 | 2021-06-02 | Sample clamp for observing upright metallographic microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215067509U true CN215067509U (en) | 2021-12-07 |
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ID=79210124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121217486.6U Active CN215067509U (en) | 2021-06-02 | 2021-06-02 | Sample clamp for observing upright metallographic microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215067509U (en) |
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2021
- 2021-06-02 CN CN202121217486.6U patent/CN215067509U/en active Active
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