CN115122233A - Grinding clamp for metallographic specimen - Google Patents
Grinding clamp for metallographic specimen Download PDFInfo
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- CN115122233A CN115122233A CN202210782414.9A CN202210782414A CN115122233A CN 115122233 A CN115122233 A CN 115122233A CN 202210782414 A CN202210782414 A CN 202210782414A CN 115122233 A CN115122233 A CN 115122233A
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- grinding
- metallographic specimen
- metallographic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
Abstract
The invention relates to a grinding clamp for a metallographic specimen, which comprises a grinding cylinder, a grinding clamping rod, a grinding head and a grinding support plate, wherein the grinding cylinder is provided with an inner cavity for accommodating the metallographic specimen, and the grinding clamping rod and the grinding cylinder are connected in a manner of relatively moving along the radial direction of the grinding cylinder; the plurality of grinding clamping rods are sequentially arranged at intervals along the circumferential direction of the grinding cylinder; the grinding head is arranged at one end of the grinding clamping rod, and the grinding support plate is movably arranged inside the grinding cylinder. According to the invention, the grinding clamping rod and the grinding cylinder are arranged in a manner of relative radial movement, so that the grinding head on the grinding clamping rod can clamp and fix the metallographic specimen from a plurality of angles, the metallographic specimens in various shapes can be clamped, and the grinding efficiency of the metallographic specimen can be improved; through setting up the grinding backup pad, grind the backup pad and can with metallographic specimen's bottom looks butt to support metallographic specimen and press from both sides tightly metallographic specimen in the vertical direction, also can satisfy the metallographic specimen of equidimension and shape, application scope is wider.
Description
Technical Field
The invention relates to the technical field of metallographic samples, in particular to a grinding clamp for metallographic samples.
Background
Along with the gradual increase of automobile model designs, bench tests, road tests and other quality problem solutions often need to carry out hardness performance detection, metallographic structure analysis and the like on parts, need to grind the metallographic specimen before carrying out analysis, and the grinding quality of metallographic specimen processing directly influences the detection result of a sample. In the prior art, the metallographic sample treatment steps are as follows: firstly, wire-electrode cutting is carried out to obtain a metallographic specimen, then the metallographic specimen is embedded, then grinding and polishing are carried out, and finally the embedded metallographic specimen is broken to obtain a sample. And in the process of inlaying the metallographic specimen, a metallographic specimen inlaying machine is often used, the metallographic specimen is placed into the inlaying machine, inlaying powder is placed into the inlaying machine, the temperature is raised and kept for 15-20 minutes, the metallographic specimen is taken out, and after the metallographic specimen is cooled, grinding and polishing are carried out. In the process of embedding the sample, the high embedding temperature often occurs, and the hands are scalded; the heating and curing time in the embedding process is long, and the working efficiency is influenced.
In order to solve the above problems, chinese patent (publication No. CN214186730U, application No. CN202023259757.2) discloses a sample grinding fixture for experiments, which includes a fixture body with an open bottom end and a square inner cavity cross section, four sets of limiting assemblies symmetrically arranged in the inner cavity of the fixture body and fixed on the side walls of the four fixture substrates, a plurality of inverted T-shaped press blocks vertically embedded in the top wall of the fixture body, depth adjusting knobs embedded on the tops of the corresponding T-shaped press blocks in a threaded manner, and a level gauge installed on the top surface of the depth adjusting knobs. The utility model discloses can be nimble accurate square metallographic specimen of centre gripping or circular metallographic specimen safely. Although the technical problems mentioned above can be solved, the sample block grinding clamp for the experiment can only clamp a square metallographic sample or a circular metallographic sample, and cannot clamp an irregular metallographic sample.
Disclosure of Invention
Therefore, the grinding clamp for the metallographic specimen is needed to effectively solve the problems that hands are easy to scald in the process of inlaying the metallographic specimen and the work efficiency is affected due to long temperature rise and solidification time in the inlaying process, can meet the requirements of clamping the metallographic specimen with an irregular shape and the metallographic specimen with other shapes, and can greatly improve the grinding efficiency of the metallographic specimen.
A grinding jig for metallographic specimens, comprising:
the grinding cylinder is provided with an inner cavity for accommodating a metallographic specimen;
the grinding clamping rods are connected with the grinding cylinder in a relatively movable mode along the radial direction of the grinding cylinder, so that one end of each grinding clamping rod can extend into the inner cavity; the grinding clamping rods are sequentially arranged at intervals along the circumferential direction of the grinding cylinder;
the grinding head is arranged at one end of the grinding clamping rod extending into the inner cavity and can be abutted against the metallographic specimen;
the grinding support plate is movably arranged inside the grinding cylinder and can move up and down along the axial direction of the grinding cylinder.
In the scheme, the grinding clamping rods and the grinding cylinder are arranged in a manner of radial relative movement, so that the grinding clamping rods can move along the radial direction of the grinding cylinder, and can move along the direction close to or away from a metallographic sample; through setting up the grinding backup pad, and the grinding backup pad activity sets up inside the grinding vessel, can with metallographic specimen's bottom looks butt, support and press from both sides metallographic specimen in the vertical direction to metallographic specimen, also can satisfy the metallographic specimen of equidimension not and shape not, application scope is wider, this application can directly leave out the process of inlaying, it is fixed directly to press from both sides the metallographic specimen, then grind and the polishing, can effectively solve at the in-process of inlaying the sample, scald the hand easily and because inlay the process intensification curing time length, influence work efficiency's problem.
In one embodiment, the grinding bit is removably coupled to the grinding clamp bar.
Through can dismantling the grinding head with grind the tight pole of clamp and be connected, the workman of can being convenient for is to the metallographic specimen of different shapes, changes the grinding head of looks adaptation, and simultaneously, the maintenance and the change of the grinding head of being convenient for further improve the grinding efficiency of metallographic specimen.
In one embodiment, the grinding cylinder is provided with a plurality of threaded holes along the circumferential direction, and the grinding clamping rod penetrates through the threaded holes and is in threaded connection with the threaded holes.
Through set up the screw hole on the grinding vessel, and grind clamp rod and screw hole threaded connection, can be convenient for adjust the position of the relative metallographic specimen of grinding head on the clamp rod of grinding, and easy operation, convenient and fast can improve the work efficiency who presss from both sides tight metallographic specimen, and is convenient for change and maintain.
In one embodiment, the grinding support plate is in threaded connection with the grinding cylinder.
In one embodiment, the grinding support plate has a first thread formed on a side wall thereof, and the grinding cylinder has a second thread formed on an inner side wall thereof, the second thread being adapted to the first thread.
In one embodiment, the grinding fixture for metallographic samples further comprises an adjusting piece, wherein the adjusting piece is arranged on the grinding support plate and used for adjusting the position of the grinding support plate relative to the grinding cylinder.
Through set up the regulating part in grinding the backup pad, the position of the relative grinding vessel of adjustable grinding backup pad, and simple structure, easy operation is swift.
In one embodiment, the grinding bit is removably connected to the grinding clamp bar by a clamping assembly.
Wherein, the grinding head adopts flexible material. Specifically, the grinding head adopts rubber materials, and the rubber materials have high elasticity state and high adhesion state, so that the grinding head has good shock absorption, sound insulation and buffering performances, can be in closer contact with a metallographic sample, can play a role in buffering and shock absorption by the grinding head made of the rubber materials in subsequent grinding and polishing processes, and can play a role in protecting a grinding clamping rod and the metallographic sample.
In one embodiment, the clamping assembly includes a clamping protrusion disposed on the polishing head and a clamping groove disposed on the polishing clamping rod and adapted to the clamping protrusion.
In one embodiment, the grinding head (300) is provided with a grinding surface which is used for being in contact with the metallographic specimen (600) and is matched with the contact part of the metallographic specimen (600).
Through set up the grinding face at the grinding head for the grinding head is inseparabler on the metallographic specimen butt, further presss from both sides the metallographic specimen tight fixedly.
In one embodiment, a plurality of grinding clamping rods are uniformly arranged at intervals along the circumferential direction of the grinding cylinder.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top view structural view of a grinding jig for a metallographic specimen according to an embodiment of the present invention, in which the metallographic specimen is shown in an irregular shape;
fig. 2 is a top view structural view of a grinding jig for a metallographic specimen according to an embodiment of the present invention, the metallographic specimen shown in the drawing having a regular shape;
fig. 3 is a bottom view of a grinding jig for a metallographic specimen according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a grinding jig for metallographic samples according to an embodiment of the present invention;
fig. 5 is a cross-sectional view showing a structure of a grinding jig for a metallographic specimen according to an embodiment of the present invention.
Description of the reference numerals
10. A grinding jig for a metallographic specimen; 100. a grinding cylinder; 200. grinding the clamping rod; 300. a grinding head; 400. grinding the support plate; 500. an adjustment member; 600. and (4) metallographic specimen.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
To the technical problem among the background art, this application provides one kind both can effectively solve at the in-process of inlaying the sample, scald the hand easily and because inlay the process intensification curing time long, influence work efficiency's problem, can satisfy the metallographic specimen 600 of centre gripping irregular shape again and the metallographic specimen 600 of other shapes, can greatly improve the grinding jig 10 of the grinding efficiency of metallographic specimen.
Referring to fig. 1 and 2, an embodiment of the invention provides a grinding fixture 10 for a metallographic specimen, including a grinding cylinder 100, a plurality of grinding clamping rods 200, a grinding head 300, and a grinding supporting plate 400, wherein the grinding cylinder 100 has an inner cavity for accommodating the metallographic specimen 600. The grinding nip bar 200 is connected to the grinding vessel 100 to be relatively movable in the radial direction of the grinding vessel 100 so that one end of the grinding nip bar 200 can be inserted into the inner cavity. The grinding head 300 is disposed at one end of the grinding clamping rod 200 extending into the inner cavity, and can abut against the metallographic specimen 600. By driving the grinding clamping rod 200 to move along the radial direction of the grinding cylinder 100, the grinding head 300 can be driven to move along the direction close to or far away from the metallographic specimen 600, so as to fix or release the metallographic specimen 600. The grinding support plate 400 is movably connected to the grinding cylinder 100, and the grinding support plate 400 is used for abutting against the bottom of the metallographic specimen 600 so as to support the metallographic specimen 600 and clamp the metallographic specimen 600 in the vertical direction.
In the present embodiment, the cross-section of the grinding cylinder 100 is circular, and the grinding cylinder 100 is a hollow structure. Specifically, the thickness of the grinding cylinder 100 is 4mm to 6 mm. The thickness of the grinding cylinder 100 is not limited in this application and can be set arbitrarily. Illustratively, the grinding cylinder 100 has a thickness of 5 mm.
Referring to fig. 1, 2 and 3, the plurality of grinding clamping rods 200 are sequentially arranged at intervals along the circumferential direction of the grinding cylinder 100, so that the grinding heads 300 on the grinding clamping rods 200 can clamp and fix the metallographic specimen 600 from a plurality of angles, and the metallographic specimens 600 in various shapes, including the metallographic specimen 600 in an irregular shape, can be satisfied, and the grinding efficiency of the metallographic specimen 600 can be greatly improved. Specifically, a plurality of grinding cramping bars 200 are uniformly arranged at intervals in the circumferential direction of the grinding cylinder 100.
The grinding support plate 400 can move up and down along the axial direction of the grinding cylinder 100, and the position of the grinding support plate 400 relative to the grinding cylinder 100 can be adjusted. Through adjusting the position of grinding backup pad 400 relative grinding vessel 100, not only can provide holding power and clamp force for metallographic specimen 600, also can satisfy the metallographic specimen 600 of not equidimension and shape, application scope is wider.
Referring to fig. 1 and 2, according to some embodiments of the present disclosure, optionally, the polishing head 300 is detachably connected to the polishing clamping rod 200, so that a worker can conveniently replace the matched polishing head 300 for metallographic samples 600 with different shapes, and meanwhile, the maintenance and replacement of the polishing head 300 are facilitated, thereby further improving the polishing efficiency of the metallographic sample 600.
In one embodiment, the grinding bit 300 is removably attached to the grinding clamp bar 200 by a clamping assembly. Specifically, the clamping assembly includes a clamping protrusion disposed on the polishing head 300 and a clamping groove disposed on the polishing clamping rod 200 and adapted to the clamping protrusion. When the grinding head 300 needs to be replaced, the clamping protrusion on the old grinding head 300 can be separated from the clamping groove on the grinding clamping rod 200, and the clamping protrusion on the new grinding head 300 can be matched with the clamping groove on the grinding clamping rod 200.
In another embodiment, the grinding bit 300 is threadably connected to the grinding clamp rod 200. Specifically, the polishing head 300 has a protruding portion with a third thread, the polishing clamping rod 200 has a groove portion with a fourth thread matching the third thread. When the grinding head 300 needs to be replaced, the old grinding head 300 can be loosened until the old grinding head 300 is removed from the grinding clamp bar 200, and then the third threads on the new grinding head 300 are engaged with the fourth threads on the grinding clamp bar 200, and the new grinding head 300 is screwed.
Referring to fig. 1, 3 and 5, according to some embodiments of the present disclosure, optionally, the grinding cylinder 100 is provided with a plurality of threaded holes along a circumferential direction thereof, and the grinding clamping rod 200 is inserted into the threaded holes and is in threaded connection with the threaded holes. Specifically, the number of threaded holes corresponds one-to-one to the number of grinding gripping rods 200.
When the grinding clamping rod 200 needs to be adjusted, only the grinding clamping rod 200 is rotated. Illustratively, when it is necessary to adjust the grinding head 300 on the grinding pinch lever 200 to move in a direction close to the metallographic specimen 600, the grinding pinch lever 200 is rotated clockwise. When the grinding head 300 on the grinding clamp rod 200 needs to be adjusted to move in a direction away from the metallographic specimen 600, the grinding clamp rod 200 is rotated counterclockwise.
Through set up the screw hole on grinding vessel 100, and grind tight pole 200 of clamp and screw hole threaded connection, can be convenient for adjust the position of the relative metallographic specimen 600 of grinding head 300 on the tight pole 200 of clamp of grinding, and easy operation, convenient and fast can improve the work efficiency who presss from both sides tight metallographic specimen 600, and is convenient for change and maintenance.
Referring to fig. 1 and 2, according to some embodiments of the present disclosure, a grinding support plate 400 is optionally screwed to the grinding cylinder 100. Specifically, the sidewall of the grinding support plate 400 is provided with a first thread, and the inner sidewall of the grinding cylinder 100 is provided with a second thread adapted to the first thread. When adjusting the position of the polishing support plate 400 relative to the polishing barrel 100, only the polishing support plate 400 needs to be rotated.
The shape of the grinding support plate 400 matches the shape of the grinding cylinder 100. Specifically, the side walls of the grinding support plate 400 match the profile of the inside walls of the grinding cylinder 100. In this embodiment, the shape of the lapping support plate 400 is a circular structure.
Illustratively, when it is necessary to adjust the grinding support plate 400 to move in a direction close to the metallographic specimen 600, the grinding support plate 400 is rotated clockwise. When it is necessary to adjust the grinding support plate 400 to move in a direction away from the metallographic specimen 600, the grinding support plate 400 is rotated counterclockwise.
In this embodiment, the thickness of the grinding support plate 400 is 5mm to 7mm, and the thickness of the grinding support plate 400 is not limited in this application and can be arbitrarily set. Illustratively, the thickness of the lapping support plate 400 is 6 mm.
Referring to fig. 1, 3 and 4, according to some embodiments of the present disclosure, the grinding fixture 10 for metallographic samples further includes an adjusting member 500, and the adjusting member 500 is disposed on the grinding support plate 400 and is used for adjusting the position of the grinding support plate 400 relative to the grinding cylinder 100. Specifically, the adjusting member 500 is fixedly coupled to the grinding support plate 400. The adjusting piece 500 and the grinding support plate 400 are of an integrally formed structure, so that the connecting strength of the adjusting piece 500 and the grinding support plate 400 can be ensured, the adjusting piece 500 and the grinding support plate 400 cannot move relatively in the using process, and the grinding support plate is not easy to damage.
In one embodiment, the adjustment member 500 is an adjustment handle. The adjustment of the position of the grinding support plate 400 relative to the grinding cylinder 100 can be accomplished by manually rotating the adjustment handle. In another embodiment, the adjusting member 500 is an adjusting screw head that can be turned by a wrench to adjust the position of the grinding support plate 400 relative to the grinding cylinder 100.
Referring to fig. 1, fig. 2 and fig. 5, according to some embodiments of the present disclosure, optionally, the grinding head 300 is disposed at an end of the grinding clamping rod 200 extending into the cavity, and the grinding head 300 has a grinding surface adapted to contact the metallographic specimen 600 and the contact portion of the metallographic specimen 600, so that the grinding head 300 abuts against the metallographic specimen 600 more tightly, and further clamps and fixes the metallographic specimen 600. Specifically, the profile of the grinding surface is adapted to the profile of the contact portion of the metallographic specimen 600.
The contact between the grinding surface and the metallographic specimen 600 may be point contact or surface contact. For example, if the grinding surface is in the shape of a circular arc, the grinding surface is in point contact with the metallographic specimen 600. If the polished surface is square or rectangular, the polished surface comes into surface contact with the metallographic specimen 600.
Referring to fig. 1 and 2, according to some embodiments of the present disclosure, the number of the grinding clamping bars 200 may optionally include at least three. In this embodiment, the number of the grinding cramp bars 200 and the number of the screw holes are eight. Wherein, three grind the clamping bar 200 and press from both sides metallographic specimen 600 from three directions respectively tightly, and other five grind the clamping bar 200 and play the effect of the tight metallographic specimen 600 of supplementary clamp, can prevent simultaneously that metallographic specimen 600 from appearing the skew in follow-up grinding process.
In other embodiments, the number of the grinding clamping rods 200 and the number of the threaded holes are three, and the three grinding clamping rods 200 clamp the metallographic specimen 600 from three directions. In another embodiment, the number of grinding clamp rods 200 and threaded holes can be four, five, nine or even more.
Referring to fig. 1 and 2, according to some embodiments of the present disclosure, optionally, the polishing head 300 is made of a flexible material. In this embodiment, the grinding head 300 is made of a rubber material, and the rubber material has a high elastic state and a high adhesive state, so that the grinding head 300 has good shock absorption, sound insulation and buffering performances, and can be in closer contact with the metallographic specimen 600, and in the subsequent grinding and polishing processes, the grinding head 300 made of the rubber material can play roles of buffering and shock absorption, and can play roles of protecting the grinding clamping rod 200 and the metallographic specimen 600. In other embodiments, the polishing head 300 may be a silicone.
Referring to fig. 1 and 2, according to some embodiments of the present disclosure, a limit protrusion is optionally disposed on an end of the polishing clamp rod 200 away from the end connected to the polishing head 300. The diameter of the limiting bulge is larger than that of the threaded hole, so that the phenomenon that the grinding clamping rod 200 is excessively rotated and drops from the inside of the grinding cylinder 100 can be effectively prevented, the limiting bulge drives the grinding clamping rod 200 to rotate, and the grinding clamping rod 200 can be more conveniently adjusted.
When the grinding clamp 10 for the metallographic specimen is used, the metallographic specimen 600 is placed in the grinding cylinder 100, and the three grinding clamping rods 200 which are arranged at equal intervals are sequentially rotated clockwise to drive the grinding head 300 on the grinding clamping rod 200 to move along the direction close to the metallographic specimen 600, so that the metallographic specimen 600 is clamped by the three grinding clamping rods 200 from three directions respectively. It is to be understood that: since the grinding cylinder 100 is a hollow structure, the metallographic specimen 600 is placed behind the grinding cylinder 100 and needs to be manually positioned and held.
And then, the other grinding clamping rods 200 are sequentially rotated clockwise to drive the grinding heads 300 on the other grinding clamping rods 200 to move in the direction close to the metallographic specimen 600, and the other grinding clamping rods 200 can play a role in assisting in clamping the metallographic specimen 600 and can prevent the metallographic specimen 600 from deviating in the subsequent grinding process.
Through adjusting the regulating part 500 to drive the grinding support plate 400 to move along the direction close to the metallographic specimen 600, when the grinding support plate 400 is abutted against the bottom of the metallographic specimen 600, the grinding support plate 400 stops moving. The grinding support plate 400 can support the metallographic specimen 600 and clamp the metallographic specimen 600 in the vertical direction.
After the metallographic specimen 600 is clamped, the metallographic specimen is ground manually until polished.
Finally, the grinding clamping rod 200 is rotated counterclockwise to drive the grinding head 300 on the grinding clamping rod 200 to move in a direction away from the metallographic specimen 600, so as to release the metallographic specimen 600.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a grinding anchor clamps that metallographic specimen used which characterized in that includes:
a grinding cylinder (100) having an inner cavity for receiving a metallographic specimen (600);
a plurality of grinding clamping rods (200), wherein the grinding clamping rods (200) are connected with the grinding cylinder (100) in a manner of relative movement along the radial direction of the grinding cylinder (100), so that one end of each grinding clamping rod (200) can extend into the inner cavity; the grinding clamping rods (200) are sequentially arranged at intervals along the circumferential direction of the grinding cylinder (100);
the grinding head (300) is arranged at one end, extending into the inner cavity, of the grinding clamping rod (200), and can be abutted against the metallographic specimen (600);
the grinding support plate (400) is movably arranged inside the grinding cylinder (100) and can move up and down along the axial direction of the grinding cylinder (100).
2. Grinding jig for metallographic specimens according to claim 1, characterized in that said grinding head (300) is removably connected to said grinding clamping bar (200).
3. The grinding fixture for metallographic specimens according to claim 1, characterized in that said grinding cylinder (100) has a plurality of threaded holes along its circumference, and said grinding clamping rod (200) is inserted into said threaded holes and threadedly connected thereto.
4. The grinding jig for metallographic specimen according to claim 1, characterized in that said grinding support plate (400) is screwed to said grinding cylinder (100).
5. The grinding jig for the metallographic specimen according to claim 1, wherein a first screw thread is formed on a side wall of the grinding support plate (400), and a second screw thread adapted to the first screw thread is formed on an inner side wall of the grinding cylinder (100).
6. The grinding jig for metallographic specimens according to claim 1, characterized by further comprising an adjusting member (500), said adjusting member (500) being provided on said grinding support plate (400) for adjusting the position of said grinding support plate (400) with respect to said grinding cylinder (100).
7. The grinding jig for metallographic specimens according to claim 1, characterized in that said grinding head (300) is removably connected to said grinding clamping bar (200) by means of a snap-fit assembly.
8. The grinding fixture for the metallographic specimen according to claim 7, wherein said clamping assembly comprises a clamping protrusion disposed on said grinding head (300) and a clamping groove disposed on said grinding clamping rod (200) and adapted to said clamping protrusion.
9. The grinding jig for metallographic specimen according to claim 1, characterized in that said grinding head (300) has a grinding surface adapted to contact said metallographic specimen (600) and to a contact portion of said metallographic specimen (600).
10. The grinding jig for metallographic specimens according to claim 1, characterized in that a plurality of said grinding nipping rods (200) are arranged at uniform intervals in the circumferential direction of said grinding cylinder (100).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210782414.9A CN115122233A (en) | 2022-07-05 | 2022-07-05 | Grinding clamp for metallographic specimen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210782414.9A CN115122233A (en) | 2022-07-05 | 2022-07-05 | Grinding clamp for metallographic specimen |
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| CN202210782414.9A Pending CN115122233A (en) | 2022-07-05 | 2022-07-05 | Grinding clamp for metallographic specimen |
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| CN205271727U (en) * | 2015-12-21 | 2016-06-01 | 太原科技大学 | Anchor clamps are used in metallographic specimen polishing |
| CN105904336A (en) * | 2016-06-29 | 2016-08-31 | 东北大学 | Metallographic phase grinding sample pressure adjusting device and metallographic phase grinding and polishing device and method |
| DE102018104129A1 (en) * | 2017-02-27 | 2018-08-30 | Leco Corporation | Metallographic grinding device and components thereof |
| CN206945402U (en) * | 2017-07-25 | 2018-01-30 | 安徽工业大学 | A kind of metallographic specimen folder |
| CN210360803U (en) * | 2019-06-14 | 2020-04-21 | 徐州工程学院 | Irregular metallographic specimen polishing clamp |
| CN211029585U (en) * | 2019-10-08 | 2020-07-17 | 鞍钢股份有限公司 | Simple metallographic sample grinding and clamping device |
| CN211661823U (en) * | 2020-01-22 | 2020-10-13 | 山东建筑大学 | Metallographic specimen polishing and grinding machine specimen clamp |
| CN211760784U (en) * | 2020-02-21 | 2020-10-27 | 河海大学 | Metallographic grinder-polisher sample fixing device |
| CN212794507U (en) * | 2020-05-28 | 2021-03-26 | 中南大学 | Metallographic grinder |
| CN213561779U (en) * | 2020-10-22 | 2021-06-29 | 浙江工业大学 | Device for automatically grinding and polishing metallographic specimen |
| CN214844303U (en) * | 2021-01-07 | 2021-11-23 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Metallography polishing system appearance anchor clamps |
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