CN219787962U - Clamp suitable for fixing sample blocks with different heights - Google Patents
Clamp suitable for fixing sample blocks with different heights Download PDFInfo
- Publication number
- CN219787962U CN219787962U CN202321249681.6U CN202321249681U CN219787962U CN 219787962 U CN219787962 U CN 219787962U CN 202321249681 U CN202321249681 U CN 202321249681U CN 219787962 U CN219787962 U CN 219787962U
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- CN
- China
- Prior art keywords
- tma
- different heights
- positioning hole
- sample
- sample blocks
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Links
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a clamp suitable for fixing sample blocks with different heights, which comprises a clamp body, wherein a positioning hole for placing a TMA sample block is formed in the clamp body, the upper port of the positioning hole is a sample block inlet, a vertical jacking bolt which is used for upwards supporting the TMA sample block is arranged at the bottom of the positioning hole, and a fastening bolt for fixing the TMA sample block in the positioning hole is arranged at one side of the positioning hole. According to the utility model, the clamp body is provided with the vertical jacking bolts and the lateral fastening bolts, the vertical jacking bolts are screwed into different depths, so that the fixing requirements of sample blocks with different heights are met, TMA sample blocks needing to be polished can be firmly fixed, the sample blocks with different heights can be polished conveniently and rapidly, the surface horizontality is good, the two surfaces are parallel, and the testing accuracy and reliability are improved.
Description
Technical Field
The utility model relates to equipment for TMA (time alignment) testing in a laboratory, in particular to a clamp suitable for fixing sample blocks with different heights.
Background
The sample block used in the TMA test in the laboratory is a cylindrical sample block, the diameter of the cylindrical sample block is 5mm, the height of the cylindrical sample block is generally 3mm-6mm, and in order to improve the accuracy and reliability of the test, the upper surface and the lower surface are required to be good in levelness and parallelism. When a laboratory prepares a TMA sample block, a tweezer is used for clamping the sample block for polishing, and the plane of the sample block is protruded because some electronic adhesive expands in the heating and curing process; some electronic adhesives shrink in the heating and curing process, so that the plane of the sample block is sunken; some sample blocks have defects on the surface, and the sample blocks need to be ground with sand paper, especially for small-size sample blocks with the diameter of 5mm, the fixation of tweezers is poor, the sample blocks are frequently broken, and the ground sample blocks have poor surface horizontality and poor two-surface parallelism.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the clamp which has reasonable design and simple structure, can firmly fix the TMA sample blocks needing to be polished, and is suitable for fixing sample blocks with different heights.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a anchor clamps suitable for fixed not co-altitude sample piece, its characteristics are, and this anchor clamps include the anchor clamps body, are equipped with the sample piece on the anchor clamps body and place the district, and sample piece is placed district department and is offered the locating hole that is used for placing TMA sample piece, and the port is the sample piece entry on the locating hole, and the vertical jack-up bolt of upwards propping up TMA sample piece is installed to the locating hole bottom, and locating hole one side is equipped with the fastening bolt that is used for fixing the downthehole TMA sample piece of locating, the locating hole downthehole wall be equipped with vertical jack-up bolt complex internal thread.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the size of the positioning hole is larger than that of the TMA sample block.
The technical problem to be solved by the utility model can be also realized by the following technical scheme that the difference between the size of the locating hole and the size of the TMA sample block is 1-3mm.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the fastening bolt is arranged on the clamp body close to the sample block inlet.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the clamp body is provided with a screw hole matched with the fastening bolt.
The technical problem to be solved by the utility model can also be achieved by the following technical scheme that the vertical jacking bolt is provided with a smooth part inserted into the positioning hole, a threaded part in threaded fit with the positioning hole and a nut arranged outside the positioning hole, and the threaded part is arranged between the nut and the smooth part.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the sum of the lengths of the vertical jacking bolt and the TMA sample block is larger than the depth of the positioning hole.
Compared with the prior art, the fixture body is provided with the vertical jacking bolts and the side fastening bolts, the vertical jacking bolts are screwed into different depths, so that the fixing requirements of sample blocks with different heights are met, TMA sample blocks needing to be polished can be firmly fixed, the sample blocks with different heights can be polished conveniently and rapidly, the surface levelness is good, the two surface levelness is good, and the testing accuracy and reliability are improved.
Drawings
FIG. 1 is a block diagram of a clamp according to the present utility model;
fig. 2 is a structural diagram of a vertical jack bolt.
In the figure: the fixture comprises a fixture body, a 2-positioning hole, a 3-sample block, a 4-vertical jacking bolt, a 5-fastening bolt, a 6-nut, a 7-threaded part and an 8-smooth part.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, a fixture suitable for fixing sample blocks with different heights comprises a fixture body 1, wherein a sample block placing area is arranged on the fixture body 1, a positioning hole 2 for placing a TMA sample block 3 is formed in the sample block placing area, the positioning hole adopts a through hole structure, the upper port of the positioning hole 2 is a sample block inlet, a vertical jacking bolt 4 for upwards propping against the TMA sample block is arranged at the bottom of the positioning hole 2, a fastening bolt 5 for fixing the TMA sample block 3 in the positioning hole is arranged at one side of the positioning hole 2, a screw hole matched with the fastening bolt is formed in the fixture body 1 close to the sample block inlet, an internal thread matched with the vertical jacking bolt 4 is formed in the inner wall of the positioning hole 2, the size of the positioning hole 2 is slightly larger than that of the TMA sample block, the difference of the size is preferably 1-3mm, and the sum of the lengths of the vertical jacking bolt and the TMA sample block is larger than the depth of the positioning hole so that the TMA sample block is further provided with a grinding part after being placed in the positioning hole;
the vertical jacking bolt is provided with a smooth part 8 inserted into the positioning hole, a threaded part 7 in threaded fit with the positioning hole and a nut 6 arranged outside the positioning hole, wherein the threaded part is arranged between the nut 6 and the smooth part 8, and the length of the smooth part 8 and the length of the threaded part 7 can be set according to the use requirement or the technological requirement.
When the vertical jacking bolt 4 is used, the vertical jacking bolt 4 is firstly adjusted to the required height, then the TMA sample block 3 is put in from the upper port of the positioning hole 2, and the fastening bolt 5 on the side face is screwed to complete fixation, so that the vertical jacking bolt can be polished. The diameter of the sample block placing area of the clamp body is slightly larger than that of the sample block, the sample block can be easily placed and taken down, and the sample block is screwed and fixed through a small screw on the side surface during polishing.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The fixture is characterized by comprising a fixture body, wherein sample block placing areas are arranged on the fixture body, positioning holes for placing TMA sample blocks are formed in the sample block placing areas, sample block inlets are formed in the upper ports of the positioning holes, vertical jacking bolts for upwards supporting the TMA sample blocks are arranged at the bottoms of the positioning holes, and fastening bolts for fixing the TMA sample blocks in the positioning holes are arranged on one sides of the positioning holes.
2. A fixture adapted to hold samples of different heights as claimed in claim 1, wherein the size of the locating hole is larger than the size of the TMA sample.
3. A fixture adapted to hold samples of different heights according to claim 2, characterized in that the difference between the dimensions of the positioning hole and the dimensions of the TMA samples is 1-3mm.
4. A clamp suitable for fixing swatches of different heights according to claim 1 characterised in that the fastening bolts are provided on the clamp body adjacent the swatch inlet.
5. A fixture for fixing samples of different heights according to claim 1, characterized in that screw holes for engaging fastening bolts are provided on the fixture body.
6. The fixture for fixing sample blocks with different heights according to claim 1, wherein the vertical jacking bolt is provided with a smooth part inserted into the positioning hole, a threaded part matched with the positioning hole in a threaded manner and a nut arranged outside the positioning hole, and the threaded part is arranged between the nut and the smooth part.
7. The fixture for fixing sample blocks of different heights according to claim 1, wherein the sum of the lengths of the vertical jacking bolts and the TMA sample blocks is greater than the depth of the positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249681.6U CN219787962U (en) | 2023-05-23 | 2023-05-23 | Clamp suitable for fixing sample blocks with different heights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249681.6U CN219787962U (en) | 2023-05-23 | 2023-05-23 | Clamp suitable for fixing sample blocks with different heights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219787962U true CN219787962U (en) | 2023-10-03 |
Family
ID=88157014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249681.6U Active CN219787962U (en) | 2023-05-23 | 2023-05-23 | Clamp suitable for fixing sample blocks with different heights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219787962U (en) |
-
2023
- 2023-05-23 CN CN202321249681.6U patent/CN219787962U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |