CN218766231U - Metallography system appearance centre gripping frock - Google Patents
Metallography system appearance centre gripping frock Download PDFInfo
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- CN218766231U CN218766231U CN202221656276.1U CN202221656276U CN218766231U CN 218766231 U CN218766231 U CN 218766231U CN 202221656276 U CN202221656276 U CN 202221656276U CN 218766231 U CN218766231 U CN 218766231U
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- mounting hole
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- mounting
- clamping groove
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Abstract
The utility model discloses a metallography system appearance centre gripping frock, include: body, ball, ejector pin and compact structure. The bottom of the body is provided with a clamping groove, the clamping groove is used for mounting a sample, the left side and the right side of the body are respectively provided with a plurality of first mounting holes and a plurality of second mounting holes, and the second mounting holes are communicated with the clamping groove; the ball is movably arranged in the second mounting hole; the ejector rod is arranged in the second mounting hole; in the first mounting hole was located to compact structure's part mechanism, compact structure drove the ejector pin and slides in the second mounting hole so that ball and sample butt for the even atress of sample multiple spot, the centre gripping is stable, avoids taking place the drunkenness at the course of working sample and leads to the grinding face uneven, leads to the problem of follow-up metallographic structure's observation distortion, guarantees the accurate of metallography system appearance. This metallography system appearance centre gripping frock is dismantled conveniently, and easy operation has improved system appearance efficiency.
Description
Technical Field
The utility model relates to a metallography system appearance equipment technical field, in particular to metallography system appearance centre gripping frock.
Background
The purpose of metallographic sampling is to show the true structure of the sample. The sample may be a metal, ceramic, cemented carbide, or other solid state material. The sample preparation process can be divided into a plurality of procedures, and each procedure needs to be accurately operated to ensure that an accurate result is obtained. There are many methods for preparing metallographic samples, and the methods can be flexibly selected according to the number and frequency of samples. Aiming at the sample preparation of a single product or the random one-time sample preparation entrusted by a customer, a 'clamping method' can be preferentially adopted for sample preparation, so that the waste of various consumables of a 'chemical embedding method' is avoided, and particularly the waiting of longer solidification time is realized, and the 'clamping method' is high in efficiency.
However, in the conventional clamping tool equipment, the following problems are likely to occur: because the middle clamping space is narrow, the processing of two inwards concave opposite clamping surfaces is relatively difficult, the surface flatness and the parallelism of the two opposite clamping surfaces are difficult to ensure, so that the sample is not in absolute surface contact, and the sample can move in the high-speed grinding process on a turntable, so that the grinding surface is not flat, and the observation distortion of the subsequent metallographic structure is caused; the original tool requires that the clamping surface of the sample is processed to be particularly smooth, otherwise, the clamping is carried out again due to looseness; the defects of the original tooling have higher requirements on the level of a sampler, so that new people dare not to try the method; repeated clamping is time-consuming and labor-consuming, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a metallography system appearance centre gripping frock can make the even atress of sample, and the centre gripping is firm, guarantees the precision of metallography system appearance.
According to the utility model discloses metallography system appearance centre gripping frock of first aspect embodiment, include: the body, the ball, ejector pin and compact structure. The bottom of the body is provided with a clamping groove, the clamping groove is used for mounting a sample, the left side and the right side of the body are respectively provided with a plurality of first mounting holes and a plurality of second mounting holes, and the second mounting holes are communicated with the clamping groove; the ball is movably arranged in the second mounting hole; the ejector rod is arranged in the second mounting hole; and part of mechanisms of the compression structure are arranged in the first mounting hole, and the compression structure drives the ejector rod to slide in the second mounting hole so that the ball is abutted to the sample.
The method has the following beneficial effects: drive the ejector pin through compact structure and remove, the ejector pin promotes the ball in order to support on the sample for the even atress of sample multiple spot, the centre gripping is stable, avoids taking place the drunkenness at the course of working sample and leads to the grinding face uneven, leads to the problem of follow-up metallographic structure's observation distortion, guarantees the accurate of metallography system appearance.
According to the utility model discloses a some embodiments, the second mounting hole with the region of centre gripping recess intercommunication is equipped with limit structure, limit structure is used for spacingly the ball is in the second mounting hole.
According to some embodiments of the invention, the top of the body is provided with a handheld portion, the cross-section of the handheld portion being circular.
According to the utility model discloses a some embodiments, be equipped with the internal thread in the first mounting hole.
According to the utility model discloses a some embodiments, compact structure includes clamp plate, connecting piece and retaining member, be equipped with the through-hole on the clamp plate, the connecting piece is worn to locate on the through-hole, the one end of connecting piece with the inner wall threaded connection of first mounting hole, the retaining member with the other end threaded connection of connecting piece, the retaining member with the clamp plate butt is so that the clamp plate supports on the ejector pin.
According to some embodiments of the invention, the connecting piece is a stud, and the retaining member is a wing nut.
According to the utility model discloses a some embodiments, two the second mounting hole with first mounting hole sets up for symmetry center longitudinal symmetry.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a cross-sectional view of a metallographic specimen preparation holding tool according to some embodiments of the present invention;
fig. 2 is a partial enlarged view of a portion a of fig. 1.
Reference numerals: the clamping device comprises a body 100, a clamping groove 110, a handheld part 120, a first mounting hole 130, a second mounting hole 140, a ball 200, a push rod 300, a pressing structure 400, a pressing plate 410, a connecting member 420 and a locking member 430.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the left and right, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, in an embodiment of the first aspect of the present invention, a metallographic specimen preparation clamping tool includes: body 100, ball 200, ejector pin 300 and hold-down structure 400. The bottom of the body 100 is provided with a clamping groove 110, the clamping groove 110 is used for mounting a sample, the left side and the right side of the body 100 are provided with a plurality of first mounting holes 130 and a plurality of second mounting holes 140, and the second mounting holes 140 are communicated with the clamping groove 110; the ball 200 is movably arranged in the second mounting hole 140; the ejector rod 300 is arranged in the second mounting hole 140; part of the mechanism of the pressing structure 400 is disposed in the first mounting hole 130, and the pressing structure 400 drives the plunger 300 to slide in the second mounting hole 140 so that the ball 200 abuts against the sample.
Specifically speaking, body 100 is square structure, wholly is bilateral symmetry structure, and the left and right sides sets up and presss from both sides tight structure, drives ejector pin 300 through compact structure 400 and removes, and ejector pin 300 promotes ball 200 in order to support on the sample for the even atress of sample multiple spot, the centre gripping is stable, avoids taking place the drunkenness at the course of working to lead to the grinding face uneven, leads to the problem of follow-up metallographic structure's observation distortion, guarantees the accurate of metallographic system appearance.
In some embodiments of the present invention, the second mounting hole 140 communicates with the clamping groove 110, and the area where the second mounting hole 140 communicates with the clamping groove 110 is provided with a limiting structure, and the limiting structure is used for limiting the ball 200 in the second mounting hole 140.
Specifically, the limiting structure is used for limiting the ball 200 in the second mounting hole 140, and the second mounting hole 140 is communicated with the clamping groove 110 to prevent the ball 200 from sliding down from the clamping groove 110, and the limiting structure is arranged at the connecting end of the second mounting hole 140 and the clamping groove 110, that is, the connecting end of the second mounting hole 140 and the clamping groove 110 is processed into a hole with a diameter smaller than 1/4 of the diameter of the ball 200, so that the ball 200 can partially enter the clamping groove 110 to abut against a sample, and the ball 200 can be prevented from falling off.
In some embodiments of the present invention, the top of the body 100 is provided with a hand-held portion 120, and the cross section of the hand-held portion 120 is circular.
Specifically, the top of the body 100 is provided with the handheld portion 120, the advantage of the circular cross section of the handheld portion 120 is that the operation is convenient, and the handheld portion 120 is provided with the anti-slip cover, which is made of silica gel. The cylindrical handle 120 is advantageous in that it is easy to handle by hand, and the anti-slip cover can increase the friction force.
It can be understood that the anti-slip sleeve made of the silica gel material has good insulativity, static electricity is avoided, and the silica gel is soft in texture, so that the experience of a user is improved.
In some embodiments of the present invention, an internal thread is provided in the first mounting hole 130.
In some embodiments of the present invention, the pressing structure 400 includes a pressing plate 410, a connecting member 420 and a locking member 430, a through hole is formed on the pressing plate 410, the connecting member 420 is disposed on the through hole, one end of the connecting member 420 is connected to the inner wall of the first mounting hole 130 by a screw thread, the locking member 430 is connected to the other end of the connecting member 420 by a screw thread, and the locking member 430 abuts against the pressing plate 410 to make the pressing plate 410 abut against the top rod 300.
In some embodiments of the present invention, the connecting member 420 is a stud and the locking member 430 is a wing nut.
Specifically, referring to fig. 1, the connecting member 420 is a stud, an internal thread is provided in the first mounting hole 130, the locking member 430 is a butterfly thread, the locking member 430 is sleeved on the connecting member 420, the connecting member 420 is disposed on the pressing plate 410 in a penetrating manner, one side of the pressing plate 410 abuts against the plunger 300, the other side of the pressing plate 410 abuts against the locking member 430, the locking member 430 is screwed, the pressing plate 410 is pushed to abut against the plunger 300 to move in the second mounting hole 140, the ball 200 is driven to move in the second mounting hole 140, and the ball 200 abuts against the sample to clamp and fix the sample.
In some embodiments of the present invention, the two second mounting holes 140 are disposed symmetrically up and down with the first mounting hole 130 as a center of symmetry. Specifically, two second mounting holes 140 on the same side are symmetrically arranged to facilitate uniform stress of the sample, so that clamping and fastening are more stable, and the problem that in the high-speed grinding process, the grinding surface is uneven due to the fact that the sample moves, and observation of a subsequent metallographic structure is influenced is avoided.
According to the utility model discloses metallography system appearance centre gripping frock's application method, include according to the utility model discloses the metallography system appearance centre gripping frock of above-mentioned first aspect embodiment, the step is as follows: the ball 200 and the carrier rod 300 are sequentially installed in the second installation hole 140; the connector 420 is in threaded connection with the first mounting hole 130; the pressing plate 410 is sleeved on the connecting member 420; the locking member 430 is in threaded connection with the connecting member 420 so that the pressing plate 410 abuts against the top bar 300; placing a sample into the holding groove 110; the locking pieces 430 on the left side and the right side are screwed down, the locking pieces 430 abut against the pressing plate 410, the pressing plate 410 drives the ejector rod 300 to move, and the ejector rod 300 pushes the ball 200 to clamp and fix the sample.
Specifically, the metallographic sample preparation clamping tool is convenient to disassemble and simple to operate, solves the problem of horizontal limitation of a new person, and improves sample preparation efficiency.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. Metallography system appearance centre gripping frock, its characterized in that includes:
the device comprises a body, wherein a clamping groove is formed in the bottom of the body and used for mounting a sample, a plurality of first mounting holes and a plurality of second mounting holes are formed in the left side and the right side of the body, and the second mounting holes are communicated with the clamping groove;
the ball is movably arranged in the second mounting hole;
the ejector rod is arranged in the second mounting hole;
and part of mechanisms of the compression structure are arranged in the first mounting hole, and the compression structure drives the ejector rod to slide in the second mounting hole so that the ball is abutted to the sample.
2. The clamping tool for metallographic phase sample preparation according to claim 1, wherein a limiting structure is arranged in a region where the second mounting hole is communicated with the clamping groove, and the limiting structure is used for limiting the ball in the second mounting hole.
3. The metallographic specimen preparation clamping tool according to claim 1, wherein a handheld portion is arranged at the top of the body, and the cross section of the handheld portion is circular.
4. The metallographic specimen preparation clamping tool according to claim 1, wherein internal threads are formed in the first mounting hole.
5. The clamping tool for metallographic sample preparation according to claim 4, wherein the pressing structure comprises a pressing plate, a connecting piece and a locking piece, a through hole is formed in the pressing plate, the connecting piece penetrates through the through hole, one end of the connecting piece is in threaded connection with the inner wall of the first mounting hole, the locking piece is in threaded connection with the other end of the connecting piece, and the locking piece is abutted against the pressing plate so that the pressing plate is abutted against the ejector rod.
6. The clamping tool for metallographic sample preparation according to claim 5, wherein the connecting member is a stud, and the locking member is a butterfly nut.
7. The clamping tool for metallographic phase sample preparation according to claim 5, wherein the two second mounting holes are arranged in an up-down symmetrical manner with the first mounting hole as a symmetrical center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221656276.1U CN218766231U (en) | 2022-06-29 | 2022-06-29 | Metallography system appearance centre gripping frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221656276.1U CN218766231U (en) | 2022-06-29 | 2022-06-29 | Metallography system appearance centre gripping frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218766231U true CN218766231U (en) | 2023-03-28 |
Family
ID=85687461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221656276.1U Active CN218766231U (en) | 2022-06-29 | 2022-06-29 | Metallography system appearance centre gripping frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218766231U (en) |
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2022
- 2022-06-29 CN CN202221656276.1U patent/CN218766231U/en active Active
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