CN212240600U - Metallographic specimen grinding and polishing clamp - Google Patents
Metallographic specimen grinding and polishing clamp Download PDFInfo
- Publication number
- CN212240600U CN212240600U CN202021618020.2U CN202021618020U CN212240600U CN 212240600 U CN212240600 U CN 212240600U CN 202021618020 U CN202021618020 U CN 202021618020U CN 212240600 U CN212240600 U CN 212240600U
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- China
- Prior art keywords
- metallographic specimen
- grinding
- metallographic
- slide rail
- centre gripping
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- 238000005498 polishing Methods 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 abstract description 4
- 238000007517 polishing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 210000002050 maxilla Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a metallographic specimen grinds and throws anchor clamps, including base, fixture and support slide rail, hollow in the middle of the base, grind and throw the dish and locate the hollow department of base, the support slide rail sets firmly the position that is close to hollow department on the base, fixture includes the slide bar, is equipped with the centre gripping hole on the slide bar, and the slide bar can follow the support slide rail and reciprocate, and the centre gripping hole is equipped with the holder, and the holder is used for centre gripping metallographic specimen, and the holder can throw the direction in order to adjust the mill of centre gripping specimen at the downthehole rotation of centre gripping. The clamp can change the grinding and polishing direction of the metallographic specimen at any time in the grinding and polishing process, can effectively reduce scratches and pits on the metallographic surface of the specimen, and avoids the phenomenon of over-grinding and polishing, thereby effectively improving the metallographic quality of the specimen. The clamp can effectively clamp the metallographic specimen, can also adjust the clamping height of the metallographic specimen, and releases the hands of an operator.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, especially, relate to a metallographic specimen grinds and throws anchor clamps.
Background
The preparation of the metallographic specimen is a necessary component in metallographic research and comprises cutting, inlaying, coarse grinding, fine grinding, polishing and the like of the specimen. Wherein, rough grinding, accurate grinding and polishing are important parts in metallographic specimen preparation, and long-time grinding and polishing is needed to observe real metallographic structures and obtain metallographic structures without grinding marks and pits.
When a sample metallographic phase is manually clamped and ground and polished on a grinding and polishing machine, a series of problems that the metallographic phase quality of the sample is affected, such as uneven applied pressure, uneven ground and polished plane, fillet structure at the edge of the sample and the like exist generally. However, the grinding and polishing direction of the sample can be changed at any time by manual grinding and polishing, the metallographic scratch is greatly reduced by adopting a vertical scratch grinding and polishing method, and the conventional grinding and polishing sample clamp can not change the grinding and polishing direction of the sample generally, so that deeper grinding and polishing scratches are generated, so that the design of the special clamp for rotary grinding and polishing of the metallographic sample, which can rotate the metallographic sample and change the grinding and polishing direction of the sample, is particularly important.
The application number is CN201520015232.4, which discloses a clamping device for grinding a metallographic specimen, comprising a working upper jaw and a working lower jaw, wherein the working lower jaw comprises a lower jaw working end and a sliding clamping end connected with the lower jaw working end; work maxilla includes the maxilla working end and holds the end, the maxilla working end with the chin working end corresponds, it is equipped with screens through-hole and horizontal rectangle through-hole to hold, the screens through-hole is equipped with slip screens end, be equipped with hollow rotatory screw in the horizontal rectangle through-hole, hollow rotatory screw with the rack of slip screens end meshes mutually, and a screw rod runs through in proper order work maxilla casing one end hollow rotatory screw with work maxilla casing other end back-fastening forms clamping device, the device can firmly centre gripping metallographic specimen, can needn't carry out the centre gripping hard, reaches the effect of province. But the in-process that utilizes the device to carry out metallographic specimen and polish still needs personnel to hand the device and carry out the centre gripping to rotate metallographic specimen at the in-process that polishes can't be fine, change metallographic specimen's the direction of polishing promptly can't be fine.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a metallographic specimen grinds and throws anchor clamps.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a metallographic specimen grinds anchor clamps of throwing, includes the base, fixture and support slide rail, and hollow in the middle of the base, the hollow department of base is located to the dish of throwing of grinding, and the support slide rail sets firmly the position that is close to hollow department on the base, and fixture includes the slide bar, is equipped with the centre gripping hole on the slide bar, and the slide bar can follow the support slide rail and reciprocate, and the centre gripping hole is equipped with the holder, and the holder is used for centre gripping metallographic specimen, and the holder can be in the centre gripping downthehole rotation of centre gripping in order.
According to the preferable scheme, the number of the slide rods in the clamping mechanism is multiple, the slide rods are arranged in a crossed and symmetrical mode, two clamping holes are symmetrically formed in each slide rod, and correspondingly, a support slide rail is arranged on the edge of each slide rod, so that the whole clamping mechanism can move up and down along the support slide rail.
As preferred scheme, the centre gripping hole is the round hole, and is equipped with the circumference slide rail in the centre gripping hole, and the holder includes lower slotted clamp splice, and lower slotted clamp splice is used for centre gripping metallographic specimen, and lower slotted clamp splice bilateral symmetry is provided with first slider, slides so that lower slotted clamp splice is rotatory on the circumference slide rail through first slider.
As preferred scheme, open the slotted clamp splice side down still rotates and installs first bolt, and first bolt is located the inside one end of open the slotted clamp splice down and has set firmly the top touch multitouch, rotates first bolt in order to adjust the top touch multitouch and the distance between the slotted clamp splice down to realize not unidimensional metallographic specimen's centre gripping.
As preferred scheme, set firmly L type fixed block at the lower slotted clamp splice top, rotate on the L type fixed block and install the second bolt, rotate the second bolt so that second bolt and centre gripping hole upper end top contact to realize on the lower slotted clamp splice is fixed in the circumference slide rail.
As an optimal scheme, a second sliding block matched with the support sliding rail is arranged at the edge of the sliding rod, a screw hole is formed in the second sliding block, a vertical notch is formed in the outer side of the support sliding rail, and a third bolt penetrates through the vertical notch and is rotatably installed in the screw hole.
Preferably, the clamp further comprises a transparent cover body, the transparent cover body covers the clamp, and the transparent cover body is provided with a pull ring.
As preferred scheme, the support slide rail passes through the fourth bolt and sets firmly on the base.
Preferably, the number of the slide bars is two, and the two slide bars are arranged in a vertical crossing manner.
As a preferred scheme, the middle of the base is a hollow circle, and the clamping mechanism and the hollow circle are arranged coaxially.
Compared with the prior art, the utility model, beneficial effect is:
1. in the grinding and polishing process, the grinding and polishing direction of the metallographic specimen can be changed at any time, scratches and pits on the metallographic surface of the specimen can be effectively reduced, deeper grinding and polishing scratches can be avoided due to different grinding and polishing directions, and the over-grinding and polishing phenomenon is avoided, so that the metallographic quality of the specimen is effectively improved.
2. The metallographic specimen of different sizes can be effectively fixed in the process of grinding and polishing the metallographic specimen, the clamping height of the metallographic specimen can be adjusted, the hands of an operator are released, the pressure and the horizontal angle of the metallographic specimen which are relatively stable can be given, and the grinding and polishing of the metallographic specimens can be simultaneously carried out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a metallographic specimen grinding and polishing clamp;
FIG. 2 is a schematic view of the structure of the clamping member;
FIG. 3 is a schematic structural diagram of a slide bar;
the codes in the figure are respectively: 1-a base; 2-a third bolt; 3-a support slide rail; 4-a clamping mechanism; 41-circumferential slide rail; 42-a clamping hole; 43-a second slide; 44-screw holes; 45-a slide bar; 5-a pull ring; 6-transparent cover body; 7-a clamping member; 71-a first slider; 72-top contact block; 73-a first bolt; 74-a second bolt; 75-lower open-slot type clamping blocks; 76-L-shaped fixed blocks; 8-grinding and polishing the disc; 9-vertical notches; 10-fourth bolt.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1, this embodiment provides a metallographic specimen grinds anchor clamps of throwing, including base 1, fixture 4 and support slide rail 3, be a hollow circle in the middle of the base 1, grind and throw dish 8 and locate hollow circle department in the middle of the base 1, support slide rail 3 sets firmly the position that is close to hollow department on base 1, fixture 4 includes two alternately symmetrical and perpendicular slide bars 45 that set up, fixture 4 sets up with the hollow circle for the same axial lead, equal symmetry is equipped with two centre gripping holes 42 on every slide bar 45, correspondingly, the edge of every slide bar 45 all is equipped with support slide rail 3, set up four support slide rail 3 altogether promptly, make whole fixture 4 can reciprocate along support slide rail 3.
This anchor clamps can effectively carry out the centre gripping to the metallographic specimen, still can adjust the centre gripping height of metallographic specimen, has released operating personnel's both hands to fixture 4 is not fixed on the support slide rail 3 of single position, but fixes through the support slide rail 3 of a plurality of positions, and consequently fixture 4's fixed more stable, thereby can give metallographic specimen relatively stable pressure and horizontal angle at the polish in-process. In addition, the grinding and polishing directions of the metallographic specimen can be changed at any time in the grinding and polishing process of the clamp, scratches and pits on the metallographic surface of the specimen are effectively reduced, deeper grinding and polishing scratches can be avoided due to different grinding and polishing directions, the over-grinding and polishing phenomenon is avoided, and therefore the metallographic quality of the specimen is effectively improved. In addition, the clamp can simultaneously clamp a plurality of metallographic samples, so that the metallographic samples can be simultaneously ground and polished, the clamp is very convenient, and the working efficiency is improved.
Referring to fig. 1, 2 and 3, specifically:
the scheme for realizing rotation of the clamping member 7 in the clamping hole 42 in the embodiment is as follows: centre gripping hole 42 is the round hole, and is equipped with circumference slide rail 41 in the centre gripping hole 42, and holder 7 is including opening the slot type clamp splice 75 down, and opening the slot type clamp splice 75 down is used for centre gripping metallographic specimen, and opening the slot type clamp splice 75 bilateral symmetry down is provided with first slider 71, slides so that opening the slot type clamp splice 75 is rotatory down through first slider 71 on circumference slide rail 41.
The scheme that the holder 7 carries out the centre gripping to the metallographic specimen in this embodiment does: the side of the lower open-slot type clamping block 75 is also rotatably provided with a first bolt 73, the first bolt 73 is positioned at one end inside the lower open-slot type clamping block 75 and is fixedly provided with a top contact block 72, and the first bolt 73 is rotated to adjust the distance between the top contact block 72 and the lower open-slot type clamping block 75, so that the metallographic samples with different sizes can be clamped.
The scheme for fixing the clamping piece 7 in the clamping hole 42 in the embodiment is as follows: the top of the lower open-slot type clamping block 75 is fixedly provided with an L-shaped fixing block 76, the L-shaped fixing block 76 is rotatably provided with a second bolt 74, and the second bolt 74 is rotated to enable the second bolt 74 to be in top contact with the upper end of the clamping hole 42, so that the lower open-slot type clamping block 75 is fixed on the circumferential sliding rail 41.
The scheme that the clamping mechanism 4 moves on the support slide rail 3 in the embodiment is as follows: the edge of the sliding rod 45 is provided with a second sliding block 43 matched with the support sliding rail 3, the second sliding block 43 is matched with the support sliding rail 3 to move up and down, the second sliding block 43 is provided with a screw hole 44, the outer side of the support sliding rail 3 is provided with a vertical notch 9, the third bolt 2 penetrates through the vertical notch 9 and is rotatably installed in the screw hole 44, the width of a nut of the third bolt 2 is larger than that of the vertical notch 9, and therefore the clamping mechanism 4 can be fixed when the third bolt 2 is screwed down.
Firstly, this anchor clamps pass through top touch block 72 top touch metallographic specimen can effectively fix not unidimensional metallographic specimen, secondly, second bolt 74 not only can be fixed in circumference slide rail 41 with lower slotted clamp splice 75 in this anchor clamps on, can also provide the handle for user's rotation lower slotted clamp splice 75, play dual-purpose effect, in addition, the rotation of lower slotted clamp splice 75 is realized, fixture 4 removal on support slide rail 3 has only used the slide rail slider structure, and the structure is very simple.
Referring to fig. 1, a transparent cover body 6 is covered outside the clamp, so that splashing of liquid in the grinding and polishing process can be prevented, and a pull ring 5 is further arranged on the transparent cover body 6, so that the clamp is convenient to lift.
The nuts of all the bolts are provided with parallel thread structures, so that the bolts can be conveniently screwed by hands.
The specific working principle of the clamp is as follows: firstly, a clamp is placed on a grinding and polishing machine, a grinding and polishing disk 8 on the grinding and polishing machine is placed at the center of a hollow circle in a clamp base 1, then the four third bolts 2 are unscrewed, the clamping mechanism 4 is slid to the uppermost end of the vertical notch 9, then the four third bolts 2 are screwed, at the moment, the metallographic specimen is placed in the lower open-slot type clamping block 75, and the first bolt 73 is tightened to make the top contact block 72 contact with the metallographic specimen to achieve the effect of fixing the metallographic specimen, the grinding and polishing machine is prepared before grinding and polishing, water and a polishing agent are added, the grinding and polishing machine is started, the clamping mechanism 4 is lowered to a proper position and the four third bolts 2 are tightened in the same way, so that the metallographic specimen is jointed with the grinding and polishing disk 8 to provide stable pressing pressure for grinding and polishing the metallographic specimen, and finally the automatic grinding and polishing can be realized by covering the transparent cover body 6, and in the process of polishing, the polishing direction of the metallographic specimen can be changed by rotating the lower open-slot type clamp block 75.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the technical solution of the present invention is not limited by the above-mentioned embodiments, and various modifications and improvements made by those skilled in the art can be made without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a metallographic specimen grinds anchor clamps of throwing, a serial communication port, including the base, fixture and support slide rail, hollow in the middle of the base, the hollow department of base is located to the dish of throwing of grinding, the support slide rail sets firmly the position that is close to hollow department on the base, fixture includes the slide bar, is equipped with the centre gripping hole on the slide bar, the slide bar can reciprocate along the support slide rail, the centre gripping hole is equipped with the holder, the holder is used for centre gripping metallographic specimen, the holder can be in the centre gripping downthehole rotation of centre gripping in order to adjust the direction of throwing of.
2. The metallographic specimen grinding and polishing clamp according to claim 1, wherein the clamping mechanism comprises a plurality of slide bars, the slide bars are symmetrically arranged in a crossed manner, two clamping holes are symmetrically arranged on each slide bar, and correspondingly, a support slide rail is arranged on the edge of each slide bar, so that the whole clamping mechanism can move up and down along the support slide rail.
3. The metallographic specimen grinding and polishing clamp according to claim 1, wherein the clamping hole is a circular hole, a circumferential slide rail is arranged in the clamping hole, the clamping piece comprises a lower slotted clamping block, the lower slotted clamping block is used for clamping the metallographic specimen, first sliding blocks are symmetrically arranged on two sides of the lower slotted clamping block, and the first sliding blocks slide on the circumferential slide rail to enable the lower slotted clamping block to rotate.
4. The metallographic specimen grinding and polishing clamp according to claim 3, wherein a first bolt is rotatably mounted on the side edge of the lower slotted clamping block, a top contact block is fixedly arranged at one end of the first bolt located inside the lower slotted clamping block, and the first bolt is rotated to adjust the distance between the top contact block and the lower slotted clamping block, so that metallographic specimens of different sizes can be clamped.
5. The metallographic specimen grinding and polishing clamp as recited in claim 3, wherein an L-shaped fixing block is fixedly arranged at the top of the lower slotted clamping block, a second bolt is rotatably arranged on the L-shaped fixing block, and the second bolt is rotated to enable the second bolt to be in abutting contact with the upper end of the clamping hole, so that the lower slotted clamping block is fixed on the circumferential sliding rail.
6. The metallographic specimen grinding and polishing clamp according to claim 1, wherein a second sliding block matched with the support sliding rail is arranged at the edge of the sliding rod, a screw hole is formed in the second sliding block, a vertical notch is formed in the outer side of the support sliding rail, and a third bolt penetrates through the vertical notch and is rotatably installed in the screw hole.
7. The metallographic specimen grinding and polishing clamp according to claim 1, further comprising a transparent cover covering the clamp, wherein the transparent cover is provided with a pull ring.
8. The metallographic specimen grinding and polishing clamp according to claim 1, wherein the support slide rail is fixedly arranged on the base through a fourth bolt.
9. The metallographic specimen grinding and polishing clamp according to claim 2, wherein the number of the sliding rods is two, and the two sliding rods are arranged in a vertically crossed manner.
10. The metallographic specimen grinding and polishing clamp according to claim 1, wherein the middle of the base is a hollow circle, and the clamping mechanism is arranged coaxially with the hollow circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618020.2U CN212240600U (en) | 2020-08-06 | 2020-08-06 | Metallographic specimen grinding and polishing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618020.2U CN212240600U (en) | 2020-08-06 | 2020-08-06 | Metallographic specimen grinding and polishing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212240600U true CN212240600U (en) | 2020-12-29 |
Family
ID=73982289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021618020.2U Expired - Fee Related CN212240600U (en) | 2020-08-06 | 2020-08-06 | Metallographic specimen grinding and polishing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212240600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952578A (en) * | 2022-07-14 | 2022-08-30 | 陕西省特种设备检验检测研究院 | On-spot metallographic examination is with polishing grinding device |
-
2020
- 2020-08-06 CN CN202021618020.2U patent/CN212240600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952578A (en) * | 2022-07-14 | 2022-08-30 | 陕西省特种设备检验检测研究院 | On-spot metallographic examination is with polishing grinding device |
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Legal Events
| 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 |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |