CN213731148U - Big sample metallography polishing anchor clamps - Google Patents
Big sample metallography polishing anchor clamps Download PDFInfo
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- CN213731148U CN213731148U CN202022776962.XU CN202022776962U CN213731148U CN 213731148 U CN213731148 U CN 213731148U CN 202022776962 U CN202022776962 U CN 202022776962U CN 213731148 U CN213731148 U CN 213731148U
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- clamp
- sample
- polishing
- lifting device
- anchor clamps
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- 238000005498 polishing Methods 0.000 title claims abstract description 73
- 238000005088 metallography Methods 0.000 title claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a big sample metallography polishing clamp belongs to mechanical device technical field. The device consists of a base frame, a lifting device and a sample clamp, wherein a lifting device cover plate is arranged above a lifting device supporting leg, and a rotatable stud is arranged on the lifting device cover plate; the lifting slide block is provided with a threaded hole, and the stud is arranged in the threaded hole of the lifting slide block in a penetrating manner; the hand wheel is used for driving the stud to rotate; the clamp fixing disc is connected with the bottom of the lifting slide block; the fixture fixing disc is fixed on the fixture bottom plate through a fixture connecting block; and the sample is further clamped and fixed through the threaded rods penetrating through the two clamp sliding blocks. The utility model discloses polishing clamp overall structure is simple, compares automatic metallography burnishing device, can save the link of inlaying the appearance to support the fixed polishing of big sample. The height of the sample can be adjusted by rotating the hand wheel, so that the pressure between the sample and the polishing cloth is adjusted, and the function of adjusting the friction force between the sample and the polishing cloth can be achieved.
Description
Technical Field
The utility model relates to the technical field of mechanical device, concretely relates to big sample metallography polishing anchor clamps, this anchor clamps mainly used replace the staff to control the sample at metallography polishing in-process, through fixed sample to adjust the frictional force between sample and the polishing cloth, thereby reach the purpose of semi-automatic polishing.
Background
The existing automatic polishing machine has a clear requirement on the size of a sample, and a small sample needs to be embedded in a die with a specific size, so that the working procedures of the polishing process are increased, the size of the sample is also clearly limited, and for some large samples, the sample is still held by manpower to be polished on the polishing machine at present. For large sample experiments, part of experiments can be cut into small samples for polishing after the experiments are finished, however, with the development of material science, researchers pay more attention to loading analysis under different conditions, for example, metallographic observation is carried out while experiments are carried out, so that samples to be tested need to be ground in advance, and then metallographic pictures are taken at any time, so that a large sample clamp aiming at the problems needs to be developed to release manpower for polishing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big sample metallography polishing anchor clamps, this anchor clamps mainly used fix big sample and polish on the burnishing machine, and it realizes understanding the manpower polishing of putting the manpower and controlling the sample, fixes the sample with anchor clamps and adjusts the frictional force between sample and the polishing cloth, and then adjusts polishing efficiency.
The purpose of the utility model is realized through the following technical scheme:
a large sample metallographic polishing clamp comprises a base frame, a lifting device and a sample clamp; wherein:
a base frame: the polishing machine is arranged in the base frame; the base frame cover plate is provided with two circular holes, and the positions of the circular holes are in coaxial relation with polishing cloth placed on a polishing machine;
a lifting device: the lifting device comprises four lifting device supporting legs, a lifting device cover plate, a hand wheel and a lifting slide block, wherein the lifting device cover plate is arranged above the lifting device supporting legs, a round hole is formed in the center of the lifting device cover plate and used for installing a stud with a shaft shoulder, and the stud can rotate in the round hole but cannot move up and down; the lifting slide block is provided with two threaded holes, and the stud is arranged in the two threaded holes of the lifting slide block in a penetrating manner; the hand wheel is used for driving the stud to rotate;
sample clamp: the clamp comprises a clamp fixing disc, a clamp connecting block, a clamp bottom plate, a clamp sliding block and a fixing screw rod, wherein the clamp fixing disc is connected with the bottom of a lifting sliding block through a bolt; the fixture fixing disc is fixed on the fixture bottom plate through the fixture connecting block; the two clamp sliding blocks are fixed on the lower surface of the clamp bottom plate, a sample to be polished is clamped between the two clamp sliding blocks, and the sample is further clamped and fixed through screws penetrating through the two clamp sliding blocks; the test sample is positioned on polishing cloth of a polishing machine.
The hand wheel is arranged above the lifting device cover plate, the upper end of the stud is fixed on the hand wheel, and the hand wheel is rotated to drive the stud to rotate so as to enable the lifting slide block to move up and down.
The lifting slide block comprises an upper rectangular frame and a lower inverted n-shaped frame II connected with the upper rectangular frame, and the bottom of the lower inverted n-shaped frame II is connected with the clamp fixing disc; the upper surface and the lower surface of the upper rectangular frame are respectively provided with a threaded hole; and a positioning baffle is further arranged on the stud and used for limiting the up-and-down movement range of the lifting slide block.
The upper end of the clamp connecting block is provided with two threaded connecting rods, the lower end of the clamp connecting block is provided with one threaded connecting rod, and the clamp connecting block is fixed on the clamp fixing disc through the threaded connecting rod at the upper end; the center position of the clamp bottom plate is provided with a threaded hole, and the clamp connecting block is matched and fixed on the clamp bottom plate through a threaded connecting rod at the lower end and the threaded hole in the clamp bottom plate.
The clamp fixing disc is provided with a plurality of small holes, and the threaded connecting rod at the upper end of the clamp connecting block is inserted into the small holes in the clamp fixing disc through adjustment, so that the positions of the sample clamp and the polishing machine are adjusted, and the sample clamp and the polishing machine are prevented from moving and interfering.
The clamp sliding blocks are designed into an inverted L-shaped structure, the two clamp sliding blocks are oppositely arranged, and the upper end surfaces of the two clamp sliding blocks are fixed on the clamp bottom plate; the clamp bottom plate is provided with a slide way, the upper end face of the clamp sliding block is provided with a threaded hole, and a bolt is fixed by a nut after penetrating into the threaded hole and the slide way on the upper end face of the clamp sliding block; the fixed position of the clamp sliding block on the clamp bottom plate can be adjusted by adjusting the position of the bolt in the slide way.
And the vertical surfaces of the fixture sliding blocks are provided with a small hole close to the edges of the two sides, and after the fixing screw rods penetrate into the small holes in the corresponding positions on the two fixture sliding blocks, the two ends of the fixing screw rods are fastened by nuts, so that the sample is further clamped.
Thereby the distance between sample anchor clamps and the polishing cloth of rotatory hand wheel accessible adjustment, and then influence pressure and frictional force between sample anchor clamps and the polishing cloth.
The utility model discloses big sample metallography polishing clamp's theory of operation does:
when a sample is polished in advance, the sample is clamped by a sample clamp and is fastened on a clamp fixing disc, mounting hole positions with different distances from the circle center are arranged on the clamp fixing disc, and the positions of the sample clamp and the polishing cloth below the sample clamp can be adjusted by adjusting the mounting position of the sample clamp, so that the motion interference is avoided, and the polishing cloth can also be suitable for polishing cloth with different sizes. Through rotating the hand wheel, can drive the double-screw bolt rotatory, because the double-screw bolt only can rotate, and there is the shoulder to fix its position, so receive the double-screw bolt motion influence, thereby the lift slider can reciprocate according to rotatory direction and adjust the distance between sample and the polishing cloth, when the two contact, can suitably further move down the slider this moment, the slider increases to the pressure of polishing cloth, because frictional force is directly proportional with pressure, so the frictional force that the slider received increases, can improve polishing efficiency, there is the movement hindrance board on the double-screw bolt, prevent that the lift slider from unrestricted downward movement.
Compared with the prior art the utility model has the following obvious advantage:
the utility model discloses a rotating the distance of hand wheel adjustment sample and polishing cloth, can adjusting the pressure between sample and the polishing cloth, because frictional force is directly proportional to the pressure size, consequently can play the effect of adjustment frictional force. The fixture fixing disc is provided with a plurality of mounting positions, and the fixture connecting plate can reasonably select the mounting positions according to the size of the polishing turntable, so that the movement interference is avoided.
Drawings
Fig. 1 is the utility model discloses big sample metallography polishing anchor clamps three-dimensional map assembly drawing.
Fig. 2 is a three-dimensional view of the lifting device.
Fig. 3 is a three-dimensional view of a sample holder.
Fig. 4 is a clamp base plate in a sample clamp.
FIG. 5 shows a fixture holding pan in a sample fixture.
Fig. 6 is a clamp connection block in a sample clamp.
Wherein: 1-pedestal supporting legs, 2-pedestal cover plates, 3-polishing machines, 4-lifting device supporting legs, 5-lifting device cover plates, 6-hand wheels, 7-studs, 8-lifting sliding blocks, 9-fixing screws, 10-clamp sliding blocks, 11-clamp bottom plates, 12-clamp fixing plates and 13-clamp connecting blocks.
Detailed Description
The invention will be described in further detail with reference to the following description and embodiments with reference to the accompanying drawings:
the utility model provides a large sample metallography polishing clamp, which comprises a base frame, a lifting device and a sample clamp; the structure is shown in figures 1-6; the structure and the connection relation of each part of the polishing clamp are as follows:
a base frame: comprises four base frame supporting legs 1 and a base frame cover plate 2 arranged on the base frame supporting legs, and a polishing machine 3 is arranged in the base frame; two circular holes are arranged on the base frame cover plate 2, and the positions of the circular holes are in coaxial relation with polishing cloth arranged on a polishing machine;
a lifting device: the lifting device comprises four lifting device supporting legs 4, a lifting device cover plate 5, a hand wheel 6 and a lifting slide block 8, wherein the lifting device cover plate is arranged above the lifting device supporting legs, a round hole is formed in the center of the lifting device cover plate and used for mounting a stud 7 with a shaft shoulder, and the stud can rotate in the round hole but cannot move up and down;
an inverted n-shaped frame I fixed on a base frame cover plate is arranged in the base frame, and a through hole is formed in the lower bottom surface of the inverted n-shaped frame I; the lifting slide block comprises an upper rectangular frame and a lower inverted n-shaped frame II connected with the upper rectangular frame, the upper rectangular frame is located in the inverted n-shaped frame I, and the inverted n-shaped frame II can move up and down in a through hole in the lower bottom surface of the inverted n-shaped frame I; the upper surface and the lower surface of the rectangular frame at the upper part of the lifting slide block are respectively provided with a threaded hole; the stud 7 is arranged in two threaded holes of the lifting slide block 8 in a penetrating way; and a positioning baffle (positioned between the lower bottom surface of the upper rectangular frame and the lower bottom surface of the inverted pi-shaped frame I) is further arranged on the stud and used for limiting the vertical movement range of the lifting slide block.
The hand wheel is arranged above the lifting device cover plate, the upper end of the stud is fixed on the hand wheel 6, and the hand wheel is rotated to drive the stud to rotate so as to enable the lifting slide block to move up and down.
Sample clamp: the clamp comprises a clamp fixing disc 12, a clamp connecting block 13, a clamp bottom plate 11, a clamp sliding block 10 and a fixing screw rod 9, wherein the clamp fixing disc is connected with the bottom of an inverted n-shaped frame II of a lifting sliding block through a bolt; the fixture fixing disc is fixed on the fixture bottom plate through the fixture connecting block; the two clamp sliding blocks are fixed on the lower surface of the clamp bottom plate, a sample to be polished is clamped between the two clamp sliding blocks, and the sample is further clamped and fixed through screws penetrating through the two clamp sliding blocks; the test sample is positioned on polishing cloth of a polishing machine.
The upper end of the clamp connecting block is provided with two threaded connecting rods, the lower end of the clamp connecting block is provided with one threaded connecting rod, and the clamp connecting block is fixed on the clamp fixing disc through the threaded connecting rod at the upper end; the center position of the clamp bottom plate is provided with a threaded hole, and the clamp connecting block is matched and fixed on the clamp bottom plate through a threaded connecting rod at the lower end and the threaded hole in the clamp bottom plate.
The clamp fixing disc is provided with a plurality of small holes, and the threaded connecting rod at the upper end of the clamp connecting block is inserted into the small holes in the clamp fixing disc through adjustment, so that the positions of the sample clamp and the polishing machine are adjusted, and the sample clamp and the polishing machine are prevented from moving and interfering.
The clamp sliding blocks are designed into an inverted L-shaped structure, the two clamp sliding blocks are oppositely arranged, and the upper end surfaces of the two clamp sliding blocks are fixed on the clamp bottom plate; the clamp bottom plate is provided with a slide way, the upper end face of the clamp sliding block is provided with a threaded hole, and a bolt is fixed by a nut after penetrating into the threaded hole and the slide way on the upper end face of the clamp sliding block; the fixed position of the clamp sliding block on the clamp bottom plate can be adjusted by adjusting the position of the bolt in the slide way.
And the vertical surfaces of the fixture sliding blocks are provided with a small hole close to the edges of the two sides, and after the fixing screw rods penetrate into the small holes in the corresponding positions on the two fixture sliding blocks, the two ends of the fixing screw rods are fastened by nuts, so that the sample is further clamped.
Adopt the utility model discloses when polishing anchor clamps polished the sample, the sample that will polish in advance is installed on sample anchor clamps, and adjustment anchor clamps slider 10 is fixed anchor clamps slider behind the position of 11 slides of anchor clamps bottom plate, after fixing the sample, fixes on the anchor clamps bottom plate with anchor clamps slider 10 nut for the up end. The set screw 9 is then inserted into the clamp slide 13 and the two ends are secured with nuts. The clamp bottom plate 11 is connected with the clamp connecting block 13, and then a proper hole position is selected on the clamp fixing disc 13 for fixing according to the size of the polishing cloth. The fixture fixing disc 12 is connected with the lifting slide block 8 through a nut, the lifting slide block is provided with two threaded holes and is arranged on the stud, the hole in the lifting device cover plate 5 is a through hole without threads, and a clamping groove for preventing a shaft shoulder is arranged, so that the stud can only rotate but cannot move up and down. When the hand wheel 6 is rotated, the stud rotates, and the lifting slide block 8 moves up and down according to the rotation direction of the hand wheel 6, so that the distance between the sample and the polishing cloth is adjusted, the pressure and the friction force between the sample and the polishing cloth are influenced, and the purpose of polishing the sample is achieved.
Claims (8)
1. The utility model provides a big sample metallography polishing anchor clamps which characterized in that: the metallographic polishing clamp comprises a base frame, a lifting device and a sample clamp; wherein:
a base frame: the polishing machine is arranged in the base frame; the base frame cover plate is provided with two circular holes, and the positions of the circular holes are in coaxial relation with polishing cloth placed on a polishing machine;
a lifting device: the lifting device comprises four lifting device supporting legs, a lifting device cover plate, a hand wheel and a lifting slide block, wherein the lifting device cover plate is arranged above the lifting device supporting legs, a round hole is formed in the center of the lifting device cover plate and used for installing a stud with a shaft shoulder, and the stud can rotate in the round hole but cannot move up and down; the lifting slide block is provided with two threaded holes, and the stud is arranged in the two threaded holes of the lifting slide block in a penetrating manner; the hand wheel is used for driving the stud to rotate;
sample clamp: the clamp comprises a clamp fixing disc, a clamp connecting block, a clamp bottom plate, a clamp sliding block and a fixing screw rod, wherein the clamp fixing disc is connected with the bottom of a lifting sliding block through a bolt; the fixture fixing disc is fixed on the fixture bottom plate through the fixture connecting block; the two clamp sliding blocks are fixed on the lower surface of the clamp bottom plate, a sample to be polished is clamped between the two clamp sliding blocks, and the sample is further clamped and fixed through screws penetrating through the two clamp sliding blocks; the test sample is positioned on polishing cloth of a polishing machine.
2. The big sample metallography polishing anchor clamps of claim 1, characterized in that: the hand wheel is arranged above the lifting device cover plate, the upper end of the stud is fixed on the hand wheel, and the hand wheel is rotated to drive the stud to rotate so as to enable the lifting slide block to move up and down.
3. The big sample metallography polishing anchor clamps of claim 1, characterized in that: the lifting slide block comprises an upper rectangular frame and a lower inverted n-shaped frame II connected with the upper rectangular frame, and the bottom of the lower inverted n-shaped frame II is connected with the clamp fixing disc; the upper surface and the lower surface of the upper rectangular frame are respectively provided with a threaded hole; and a positioning baffle is further arranged on the stud and used for limiting the up-and-down movement range of the lifting slide block.
4. The big sample metallography polishing anchor clamps of claim 1, characterized in that: the upper end of the clamp connecting block is provided with two threaded connecting rods, the lower end of the clamp connecting block is provided with one threaded connecting rod, and the clamp connecting block is fixed on the clamp fixing disc through the threaded connecting rod at the upper end; the center position of the clamp bottom plate is provided with a threaded hole, and the clamp connecting block is matched and fixed on the clamp bottom plate through a threaded connecting rod at the lower end and the threaded hole in the clamp bottom plate.
5. The big sample metallography polishing anchor clamps of claim 4, characterized in that: the clamp fixing disc is provided with a plurality of small holes, and the threaded connecting rod at the upper end of the clamp connecting block is inserted into the small holes in the clamp fixing disc through adjustment, so that the positions of the sample clamp and the polishing machine are adjusted, and the sample clamp and the polishing machine are prevented from moving and interfering.
6. The big sample metallography polishing anchor clamps of claim 4, characterized in that: the clamp sliding blocks are designed into an inverted L-shaped structure, the two clamp sliding blocks are oppositely arranged, and the upper end surfaces of the two clamp sliding blocks are fixed on the clamp bottom plate; the clamp bottom plate is provided with a slide way, the upper end face of the clamp sliding block is provided with a threaded hole, and a bolt is fixed by a nut after penetrating into the threaded hole and the slide way on the upper end face of the clamp sliding block; the fixed position of the clamp sliding block on the clamp bottom plate can be adjusted by adjusting the position of the bolt in the slide way.
7. The big sample metallography polishing anchor clamps of claim 6, characterized in that: and the vertical surfaces of the fixture sliding blocks are provided with a small hole close to the edges of the two sides, and after the fixing screw rods penetrate into the small holes in the corresponding positions on the two fixture sliding blocks, the two ends of the fixing screw rods are fastened by nuts, so that the sample is further clamped.
8. The big sample metallography polishing anchor clamps of claim 1, characterized in that: thereby the distance between sample anchor clamps and the polishing cloth of rotatory hand wheel accessible adjustment, and then influence pressure and frictional force between sample anchor clamps and the polishing cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776962.XU CN213731148U (en) | 2020-11-26 | 2020-11-26 | Big sample metallography polishing anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776962.XU CN213731148U (en) | 2020-11-26 | 2020-11-26 | Big sample metallography polishing anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN213731148U true CN213731148U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022776962.XU Active CN213731148U (en) | 2020-11-26 | 2020-11-26 | Big sample metallography polishing anchor clamps |
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| CN (1) | CN213731148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561004A (en) * | 2021-09-24 | 2021-10-29 | 吾拾微电子(苏州)有限公司 | Full-automatic needle grinding machine |
| CN114654395B (en) * | 2022-03-30 | 2023-08-11 | 河南科技大学 | Adjustable clamp for mounting nickel-based single crystal superalloy wafer sample |
-
2020
- 2020-11-26 CN CN202022776962.XU patent/CN213731148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561004A (en) * | 2021-09-24 | 2021-10-29 | 吾拾微电子(苏州)有限公司 | Full-automatic needle grinding machine |
| CN114654395B (en) * | 2022-03-30 | 2023-08-11 | 河南科技大学 | Adjustable clamp for mounting nickel-based single crystal superalloy wafer sample |
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