CN114894564A - Wire metallographic specimen longitudinal cutting clamping fixture, auxiliary fixture, combined fixture and application thereof - Google Patents
Wire metallographic specimen longitudinal cutting clamping fixture, auxiliary fixture, combined fixture and application thereof Download PDFInfo
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- CN114894564A CN114894564A CN202210285870.2A CN202210285870A CN114894564A CN 114894564 A CN114894564 A CN 114894564A CN 202210285870 A CN202210285870 A CN 202210285870A CN 114894564 A CN114894564 A CN 114894564A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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Abstract
The invention discloses a longitudinal cutting clamping fixture, an auxiliary fixture, a combined fixture and application of a metallographic specimen of a wire rod, and belongs to the field of metallographic detection of the wire rod. The auxiliary clamp for longitudinally cutting and clamping the metallographic specimen of the wire rod comprises a first cushion block and a second cushion block which are connected into a whole in a high-low step structure, a first cutting seam through which a grinding wheel piece can pass is reserved between the first cushion block and the second cushion block, the metallographic specimen is horizontally arranged on the first cutting seam during longitudinal cutting, and the high-low step structure can form a stable leaning body structure of the metallographic specimen, so that a leaning surface is added to the original double clamping surfaces of the metallographic specimen, and the clamping stability is improved. According to the invention, through the matching of the clamping fixture and the auxiliary fixture, the clamping of the metallographic specimen of the wire is improved from the original double-sided clamping to three-sided or even four-sided clamping, and the defects that the clamping part is less due to small specification of the specimen, the specimen shakes greatly during longitudinal cutting, the specimen slides and flies out easily, safety accidents occur, the cutting surface of the specimen is uneven or the slope reworks and the like are effectively solved.
Description
Technical Field
The invention relates to the technical field of metallographic detection of wires, in particular to a small-size longitudinal cutting clamping fixture, an auxiliary fixture, a combined fixture and application of the small-size longitudinal cutting clamping fixture and the combined fixture.
Background
Metallographic examination of steel wire rods for cords requires the item examination of nonmetallic inclusions on a longitudinal section of a specimen of a 6.5mm or 5.5mm diameter specification, and since inclusions need to be examined for their extension in the longitudinal rolling direction, it is required that the examination plane be as parallel as possible to the longitudinal axis.
For a longitudinal section sample preparation method of a metallographic sample with the diameter of 6.5mm or 5.5mm, two methods are generally adopted, one method is to directly grind the metallographic sample on a grinding machine after being embedded, the sample obtained by the method generally forms a certain angle with a longitudinal axis, and the problems of sample overheating deformation and the like are caused due to large grinding amount and long grinding time; the other method is to directly carry out longitudinal cutting on a metallographic cutting machine, the method is usually fast, but because the sample specification is small, the clamping part is less, the sample vibration is relatively large during cutting, the sample is easy to slide and fly out, safety accidents occur, the cut surface of the sample is uneven or the slope is reworked, and the like. Therefore, in the production inspection, the sample preparation of the small-size wire metallographic specimen becomes a main bottleneck restricting the rapid metallographic inspection.
Through retrieval, chinese patent publication No. CN 203811439U, bulletin day 2014.09.03 discloses a metallographic specimen cutting machine. The novel lead screw clamping mechanism comprises a clamping mechanism body and a moving mechanism body, wherein the moving mechanism body comprises a lower sliding plate, a middle sliding plate, an upper sliding plate, a transverse screw rod and a longitudinal screw rod, a dovetail groove guide rail is transversely arranged at the upper end of the lower sliding plate, a corresponding guide groove is formed below the middle sliding plate, the transverse screw rod is transversely arranged on the lower sliding plate through a threaded hole I in a guide block, the middle sliding plate is arranged above the lower sliding plate, the dovetail groove guide rail is also longitudinally arranged at the upper end of the middle sliding plate, the lower end of the upper sliding plate is also provided with the longitudinal guide groove, the upper sliding plate is arranged above the middle sliding plate, the clamping mechanism body is fixed on the upper end face of the upper sliding plate, the clamping mechanism body comprises a left clamping plate and a right clamping plate, the guide plate and the right clamping plate are fixed on the upper sliding plate in parallel, the lead screw is transversely arranged on the guide plate through a threaded hole II, one end of the lead screw is provided with a hand wheel I, and the other end of the left clamping plate is vertically fixed. The double-splint fixation is performed, but the cutting is likely to cause interference and damage to the splint.
Disclosure of Invention
1. Technical problems to be solved by the invention
The invention aims to solve the problems of uneven longitudinal section sample preparation cutting surface or slope reworking of a metallographic sample in the prior art, and provides a longitudinal cutting clamping fixture, an auxiliary fixture, a combined fixture and application of the longitudinal cutting clamping fixture, an auxiliary fixture and the combined fixture for the metallographic sample of a wire rod.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a wire metallographic specimen longitudinal cutting clamping auxiliary clamp which comprises a first cushion block and a second cushion block which are connected into a whole in a high-low step structure, wherein a first cutting seam through which a grinding wheel piece can pass is reserved between the first cushion block and the second cushion block, during longitudinal cutting, the metallographic specimen is horizontally arranged on the first cutting seam, and the high-low step structure can form a stable leaning body structure of the metallographic specimen, so that a leaning surface is added to the original double clamping surfaces of the metallographic specimen, and the clamping stability is improved.
Further, the width of the first cutting seam is smaller than the diameter of the wire metallographic specimen, so that the diameter of the wire metallographic specimen falls into the first cutting seam due to undersize during cutting.
A clamping fixture for longitudinal cutting of a wire metallographic specimen comprises a bottom plate, a first stop block and a push rod; one end of the bottom plate is upwards tilted to form a vertical plate, a second cutting seam is reserved in the middle of the vertical plate, the first stop block is connected to the bottom plate in a sliding mode, and the push rod is transversely and fixedly connected to the front surface of the first stop block; the wire metallographic sample is clamped between the vertical plate and the first stop block, at least one half of the front end face of the wire metallographic sample faces the grinding wheel, and the rest front end face of the wire metallographic sample abuts against the vertical plate. And the clamp is effectively prevented from being damaged during cutting by reserving the second cutting seam.
Furthermore, a second stop block is also included; the push rod transversely passes through the front surface of the first check block and then is fixed on the front surface of the second check block, a double-row series structure of the first check block and the second check block is formed, the second check block can slide along the push rod, the sample can be used during transverse cutting, the universality is improved, the effect of the baffle during cutting can be avoided, and iron scraps are prevented from splashing everywhere.
Furthermore, the push rod, the second stop block and the first stop block form a series structure of two side-by-side blocks, a third cutting seam is formed in the middle, different samples or leaning bodies can be fixed, and cutting efficiency or clamping stability is improved.
A wire metallographic specimen longitudinal cutting combined clamp comprises the auxiliary clamp and a clamping clamp, wherein two cushion blocks of the auxiliary clamp are attached to a vertical plate, and a first cutting seam is communicated with a second cutting seam; after the wire metallographic specimen is horizontally arranged on the first cutting seam, two ends of the wire metallographic specimen are clamped between the vertical plate and the first stop block.
Further, still include the gasket, fold and fill up in two cushion bottoms of supplementary anchor clamps, fill up the use when supplementary anchor clamps are not enough, improve the commonality.
Furthermore, a transition slope surface is arranged on the upper surface of the second cutting cushion block close to the first cutting seam, so that a semi-leaning surface effect is achieved, the horizontal shaking during cutting is prevented, and the clamping stability is improved; be applied to the small-size wire rod metallographic phase below the diameter 6.5mm and detect, the diameter is the smaller, and the centre gripping is more unstable, is suitable for the modular fixture of this application more.
The utility model provides an application of wire rod metallographic specimen vertical cutting centre gripping anchor clamps, through push rod propelling movement dog one forward on the upper surface of bottom plate, will wire rod metallographic specimen centre gripping is between riser and dog one, and at least half of terminal surface is to the grinding wheel before the wire rod metallographic specimen, and terminal surface supports on the riser before the rest, carries out vertical cutting to wire rod metallographic specimen with the grinding wheel propelling movement again to wire rod metallographic specimen.
The application of the combined clamp for longitudinal cutting of the metallographic specimen of the wire rod comprises the following steps:
s1, assembling: two cushion blocks of the auxiliary clamp are tightly attached to the vertical plate and assembled on the bottom plate, after the first cutting seam and the second cutting seam are kept in a communicated state, the wire metallographic specimen is horizontally arranged on the first cutting seam, and the peripheral surface of the wire metallographic specimen is tightly attached to the step surface of the first cushion block;
s2, pressing: the first check block is pushed forwards on the upper surface of the bottom plate through the push rod, the wire metallographic sample is clamped between the vertical plate and the first check block, at least half of the front end surface of the wire metallographic sample faces the grinding wheel, and the rest front end surface abuts against the vertical plate; meanwhile, another first stop block is pushed forwards on the upper surface of the bottom plate through another push rod, and the auxiliary clamp is clamped between the vertical plate and the other first stop block;
S3, cutting: and pushing the grinding wheel to the metallographic sample of the wire rod, and longitudinally cutting the metallographic sample of the wire rod.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the clamping fixture, the auxiliary fixture, the combined fixture and the application thereof for longitudinally cutting the metallographic specimen of the wire rod enable the clamping of the metallographic specimen of the wire rod to be improved from original double-sided clamping to three-sided clamping or even four-sided clamping by matching the clamping fixture and the auxiliary fixture, effectively overcome the defects that the specimen slides and flies out easily due to small specification and less clamping part and relatively large vibration of the specimen during cutting, safety accidents occur, the cut surface of the specimen is uneven or the slope is reworked and the like, stably support the cut specimen through the combined fixture in the longitudinal cutting process of the specimen, ensure that the metallographic specimen of the wire rod with small specification does not move stably during longitudinal cutting, and the processed surface is flat.
(2) The invention effectively improves the quality of the preparation of the small-sized metallographic specimen, the cutting surface is parallel to the longitudinal axis and is flat, no slope is generated, the production efficiency is obviously improved, the inspection period is obviously shortened, the labor intensity of workers is reduced, the potential safety hazard caused by fatigue production is avoided, the false inspection and the false judgment caused by unqualified quality of the specimen are reduced, the production cost is reduced, and the method is applicable to laboratories which perform metallographic inspection.
Drawings
FIG. 1 is a schematic view of an auxiliary fixture according to the present invention;
FIG. 2 is a schematic view of a clamping fixture according to the present invention;
FIG. 3 is a schematic structural view of a holding jig according to embodiment 3 of the present invention;
FIG. 4 is a schematic structural view of the modular fixture of the present invention;
fig. 5 is a schematic structural view of an auxiliary jig according to embodiment 5 of the present invention.
In the figure: 1. an auxiliary clamp; 2. a base plate; 3. a first stop block; 4. a push rod; 5. a second stop block; 6. cutting a third seam; 7. a gasket; 10. a wire metallographic specimen; 11. a first cushion block; 12. a second cushion block; 13. cutting a first seam; 21. a vertical plate; 22. cutting a second seam; 50. a grinding wheel sheet; 121. a transition slope surface. .
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
The present invention will be further described with reference to the following examples.
Example 1
The vertical cutting centre gripping auxiliary fixture of wire rod metallographic specimen of this embodiment, be applied to the sample of the small dimension wire rod metallographic below the diameter 6.5mm, for example diameter 6.5mm or diameter 5.5 mm's wire rod, as shown in fig. 1, including being high low stair structure and connecting in integrative cushion 11 and cushion two 12, it has cutting seam 13 that grinding wheel 50 can pass through to reserve between two cushions, during vertical cutting, metallographic specimen 10 is arranged in cutting seam 13 in flatly, high low stair structure can form the stable structure of leaning on of metallographic specimen 10, make the original two clamping face of metallographic specimen 10 increase one again and lean on the face, the stability of centre gripping has been improved. The width of the first cutting seam 13 is smaller than the diameter of the wire metallographic specimen 10, so that the diameter of the wire metallographic specimen 10 falls into the first cutting seam 13 due to undersize during cutting.
Example 2
The clamping fixture for longitudinal cutting of the metallographic specimen of the wire rod comprises a bottom plate 2, a first stop block 3 and a push rod 4, as shown in fig. 2; one end of the bottom plate 2 is tilted upwards to form a vertical plate 21, a second cutting seam 22 is reserved in the middle of the vertical plate 21, the first stop block 3 is connected to the bottom plate 2 in a sliding mode, and the push rod 4 is transversely and fixedly connected to the front surface of the first stop block 3; the wire metallographic specimen 10 is clamped between the vertical plate 21 and the first stop block 3, at least half of the front end face of the wire metallographic specimen 10 faces the grinding wheel 50, and the rest front end face abuts against the vertical plate 21. By reserving the second cutting seam 22, the clamp is effectively prevented from being damaged during cutting.
Example 3
The clamping fixture for longitudinal cutting of the metallographic specimen of the wire rod in the embodiment is basically the same as the clamping fixture in embodiment 2, except that as shown in fig. 3, the clamping fixture further comprises a second stop block 5; push rod 4 transversely passes dog two 5 after and is fixed in the front surface of dog one 3 again, forms the double series structure of dog two 5 and dog one 3, and dog two 5 can slide along push rod 4, also can use during the sample transverse cutting, improves the commonality, still can avoid playing the effect of baffle when cutting, avoids the iron piece to splash everywhere. As shown in figure 3, the push rod 4, the second stop block 5 and the first stop block 3 form a series structure of two side-by-side structures, a third cutting seam 6 is formed in the middle, different samples or leaning bodies can be fixed, and cutting efficiency or clamping stability is improved.
The application of the clamp for longitudinally cutting and clamping the wire metallographic sample in the embodiment is to push the stop block I3 forwards on the upper surface of the base plate 2 through the push rod 4, so that the wire metallographic sample 10 is clamped between the vertical plate 21 and the stop block I3, at least one half of the front end surface of the wire metallographic sample 10 faces the grinding wheel 50, the rest front end surface is abutted to the vertical plate 21, and then the grinding wheel 50 is pushed towards the wire metallographic sample 10 to longitudinally cut the wire metallographic sample 10.
Example 4
The combined clamp for longitudinal cutting of the metallographic specimen of the wire rod of the embodiment is applied to metallographic sampling of a small-sized wire rod with a diameter of less than 6.5mm, for example, a wire rod with a diameter of 6.5mm or a wire rod with a diameter of 5.5mm, as shown in fig. 4, the combined clamp comprises an auxiliary clamp 1 of the embodiment 1 and a clamping clamp of the embodiment 2 or 3, wherein in the auxiliary clamp 1, a first cushion block 11 and a second cushion block 12 have the same width; the width of the first cushion block 11 is less than the length of the metallographic specimen 10 by 5 mm; the height of the second cushion block 12 is 4mm smaller than the height 9 of the first cushion block 11; the width of the cutting seam I13 is 1.5 times of the thickness of the grinding wheel piece 50; the depth of the first cutting seam 13 is 1/2 of the height of the second cushion block 12; the length of the holding aid 10 is 40 mm; the heights of the first cushion block 11 and the second cushion block 12 can be adjusted according to the height of the clamping fixture, and when the metallographic specimen 10 is placed on the second cushion block 12, the height of the specimen from the ground is smaller than that of the first cushion block 11. When the auxiliary clamp is used, the two cushion blocks of the auxiliary clamp 1 are tightly attached to the vertical plate 21, and the first cutting seam 13 is communicated with the second cutting seam 22; after the wire metallographic specimen 10 is horizontally arranged on the first cutting seam 13, two ends of the wire metallographic specimen are clamped between the vertical plate 21 and the first stop block 3.
The application of the longitudinal cutting combined clamp for the metallographic specimen of the wire rod comprises the following steps:
s1, assembling: two cushion blocks of the auxiliary clamp 1 are attached to the vertical plate 21 and assembled on the bottom plate 2, after the first cutting seam 13 and the second cutting seam 22 are kept in a communicated state, the wire metallographic specimen 10 is horizontally arranged on the first cutting seam 13, and the peripheral surface of the wire metallographic specimen 10 is close to the step surface of the first cushion block 11;
s2, pressing: the first stop block 3 is pushed forwards on the upper surface of the bottom plate 2 through the push rod 4, the wire metallographic sample 10 is clamped between the vertical plate 21 and the first stop block 3, at least half of the front end surface of the wire metallographic sample 10 faces the grinding wheel piece 50, and the rest front end surface abuts against the vertical plate 21; meanwhile, another stop block I3 is pushed forwards on the upper surface of the bottom plate 2 through another push rod 4, and the auxiliary clamp 1 is clamped between the vertical plate 21 and the other stop block I3;
s3, cutting: and then the grinding wheel 50 is pushed to the wire metallographic specimen 10, and the wire metallographic specimen 10 is longitudinally cut.
The combined clamp for longitudinal cutting of the wire metallographic specimen and the application thereof of the embodiment improve the clamping of the wire metallographic specimen 10 from the original double-sided clamping to the three-sided clamping or even the four-sided clamping by matching the clamping clamp and the auxiliary clamp 1, effectively solve the defects that the specimen has small specification and less clamping part, the specimen has relatively large vibration during cutting, the specimen is easy to slide and fly out, safety accidents occur, the cut surface of the specimen is uneven or the slope is reworked, and the like, stably support the sample to be cut by the combined clamp during the longitudinal cutting of the specimen, ensure that the small-specification wire metallographic specimen is stable and does not move during the longitudinal cutting, the cut surface is parallel to the longitudinal axis and is flat, the slope is not generated, obviously improve the production efficiency, obviously shorten the inspection period, reduce the labor intensity, and avoid the potential safety hazard caused by fatigue production, therefore, false detection and false judgment caused by unqualified sample quality are reduced, the production cost is reduced, and the method is applicable to laboratories which perform metallographic examination.
Example 5
The longitudinal cutting combined clamp for the metallographic specimen of the wire rod of the embodiment has the same basic structure as that of the embodiment 4, and is different and improved in that the longitudinal cutting combined clamp is applied to metallographic sampling of small-size wire rods with the diameter of less than 6.5mm, such as wire rods with the diameter of 6.5mm or wire rods with the diameter of 5.5mm, and further comprises a gasket 7 which is stacked at the bottoms of two cushion blocks of the auxiliary clamp 1, and when the auxiliary clamp 1 is not enough, the longitudinal cutting combined clamp is stacked for use, so that the universality is improved. A transition slope surface 121 is arranged on the upper surface of the second cutting cushion block 12 close to the first cutting seam 13, so that a semi-leaning surface effect is achieved, the horizontal shaking during cutting is prevented, and the clamping stability is improved; be applied to the small-scale wire rod metallographic phase below the diameter 6.5mm and detect, the diameter is less, and the centre gripping is more unstable, is more suitable for the modular fixture of this application.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a wire rod metallographic specimen vertically cuts supplementary anchor clamps of centre gripping which characterized in that: the grinding wheel device comprises a first cushion block (11) and a second cushion block (12) which are connected into a whole in a high-low step structure, wherein a first cutting seam (13) through which a grinding wheel piece (50) can pass is reserved between the two cushion blocks.
2. The clamping fixture for longitudinal cutting of a wire metallographic specimen according to claim 1, characterized in that: the width of the first cutting seam (13) is smaller than the diameter of the wire metallographic specimen (10).
3. The utility model provides a wire rod metallographic specimen vertically cuts centre gripping anchor clamps which characterized in that: comprises a bottom plate (2), a first baffle block (3) and a push rod (4); one end of the bottom plate (2) is upwards tilted to form a vertical plate (21), a second cutting seam (22) is reserved in the middle of the vertical plate (21), the first stop block (3) is slidably connected onto the bottom plate (2), and the push rod (4) is transversely and fixedly connected to the front surface of the first stop block (3); the wire metallographic specimen (10) is clamped between the vertical plate (21) and the first stop block (3), at least half of the front end face of the wire metallographic specimen (10) faces the grinding wheel (50), and the rest front end face abuts against the vertical plate (21).
4. The clamping fixture for longitudinal cutting of a wire metallographic specimen according to claim 3, characterized in that: the device also comprises a second stop block (5); the push rod (4) transversely penetrates through the second stop block (5) and then is fixed on the front surface of the first stop block (3), so that a series structure of the second stop block (5) and the first stop block (3) is formed.
5. The clamping fixture for longitudinal cutting of the metallographic specimen of the wire according to claim 4, wherein: the push rod (4), the second stop block (5) and the first stop block (3) form a series structure which is two side by side, and a third cutting seam (6) is formed in the middle.
6. The utility model provides a wire rod metallographic specimen vertically cuts modular fixture which characterized in that: the auxiliary clamp (1) comprises the auxiliary clamp (1) of claim 1 or 2 and the clamping clamp of any one of claims 3 to 5, two cushion blocks of the auxiliary clamp (1) are attached to a vertical plate (21), and a first cutting seam (13) is communicated with a second cutting seam (22); and after the wire metallographic specimen (10) is horizontally arranged on the first cutting seam (13), two ends of the wire metallographic specimen are clamped between the vertical plate (21) and the first stop block (3).
7. The wire metallographic specimen longitudinal cutting combined clamp according to claim 6, characterized in that: the auxiliary clamp further comprises a gasket (7) which is overlapped at the bottoms of the two cushion blocks of the auxiliary clamp (1).
8. The wire metallographic specimen longitudinal cutting modular fixture of claim 7, wherein: a transition slope surface (121) is arranged on the upper surface of the second cutting cushion block (12) close to the first cutting seam (13); the method is applied to the metallographic detection of small-size wires with the diameter of less than 6.5 mm.
9. Use of a clamping fixture for longitudinal cutting of a metallographic specimen of a wire rod according to any one of claims 3 to 5, wherein the clamping fixture comprises: the stop block I (3) is pushed forwards on the upper surface of the base plate (2) through the push rod (4), the wire metallographic sample (10) is clamped between the vertical plate (21) and the stop block I (3), at least one half of the front end surface of the wire metallographic sample (10) faces to the grinding wheel piece (50), the rest front end surface is abutted to the vertical plate (21), the grinding wheel piece (50) is pushed towards the wire metallographic sample (10), and longitudinal cutting is conducted on the wire metallographic sample (10).
10. The application of the combined clamp for longitudinal cutting of the metallographic specimen of the wire rod as claimed in any one of claims 6 to 8 is characterized by comprising the following steps of:
s1, assembling: two cushion blocks of the auxiliary clamp (1) are attached to a vertical plate (21) and assembled on a bottom plate (2), after a first cutting seam (13) and a second cutting seam (22) are kept in a communicated state, a wire metallographic specimen (10) is horizontally arranged on the first cutting seam (13), and the peripheral surface of the wire metallographic specimen (10) is attached to the step surface of the first cushion block (11);
s2, pressing: the check block I (3) is pushed forwards on the upper surface of the bottom plate (2) through the push rod (4), the wire metallographic specimen (10) is clamped between the vertical plate (21) and the check block I (3), at least half of the front end surface of the wire metallographic specimen (10) faces the grinding wheel piece (50), and the rest front end surface abuts against the vertical plate (21); meanwhile, pushing the other first stop block (3) forwards on the upper surface of the bottom plate (2) through the other push rod (4), and clamping the auxiliary clamp (1) between the vertical plate (21) and the other first stop block (3);
s3, cutting: and then, the grinding wheel (50) is pushed to the wire metallographic sample (10) to longitudinally cut the wire metallographic sample (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285870.2A CN114894564B (en) | 2022-03-23 | 2022-03-23 | Wire metallographic specimen longitudinal cutting clamp, auxiliary clamp and combined clamp and their application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285870.2A CN114894564B (en) | 2022-03-23 | 2022-03-23 | Wire metallographic specimen longitudinal cutting clamp, auxiliary clamp and combined clamp and their application |
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| CN114894564A true CN114894564A (en) | 2022-08-12 |
| CN114894564B CN114894564B (en) | 2025-03-18 |
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| CN203561521U (en) * | 2013-10-31 | 2014-04-23 | 天津钢铁集团有限公司 | Longitudinal metallographic specimen cutting mould |
| CN203811439U (en) * | 2014-04-19 | 2014-09-03 | 姚钟钟 | Metallographic sample cutting machine |
| CN205200744U (en) * | 2015-12-07 | 2016-05-04 | 郑州磨料磨具磨削研究所有限公司 | Spark -erosion wire cutting anchor clamps |
| CN108344632A (en) * | 2018-01-17 | 2018-07-31 | 北京航空航天大学 | A kind of extremely low modulus composite material interlayer shearing clamp and test method |
| CN207982341U (en) * | 2018-03-28 | 2018-10-19 | 山东成通锻造有限公司 | A kind of outer cylinder bottom Special Fixture for Machining of vertical vehicle |
| CN210550422U (en) * | 2019-07-20 | 2020-05-19 | 武钢集团昆明钢铁股份有限公司 | Clamping device for metallographic specimen cutting machine |
| CN212239399U (en) * | 2020-01-18 | 2020-12-29 | 湖州久旺不锈钢制品有限公司 | Stainless steel pipe saw cuts machine |
| CN212526878U (en) * | 2020-04-28 | 2021-02-12 | 日照钢铁控股集团有限公司 | Novel clamp for cutting metallographic specimen |
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| CN114894564B (en) | 2025-03-18 |
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Effective date of registration: 20251029 Address after: 243000 Anhui city of Ma'anshan province Jiuhua Mountain Rain Road No. 8 Patentee after: Ma'anshan Iron and Steel Co.,Ltd. Country or region after: China Address before: 243000 No.8 Jiuhua West Road, Ma'anshan City, Anhui Province Patentee before: MAANSHAN IRON & STEEL Co.,Ltd. Country or region before: China |