Grinding and polishing clamping device and grinding and polishing equipment
By designing a grinding and polishing clamping device with parallel grooves, the problem of poor fixity and difficulty in ensuring smoothness during grinding and polishing of metal samples is solved, and the surface flatness and thickness uniformity of the sample is improved, which reduces the hand risk of injury.
Patent Information
- Application Number
- CN202420784063.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the grinding and polishing of metallographic samples of metallographic materials, it is difficult to fix the sample manually, resulting in difficult to ensure surface flatness and thickness, which in turn affects the accuracy of resistivity detection and has the risk of hand injury.
A grinding and polishing clamping device is designed, including at least two oppositely arranged placement surfaces, and a groove is provided on the placement surface, and the groove bottom of the groove is parallel to the placement surface, and is used to clamp the sample and make it with grinding and polishing. The mill disc of the machine is in close contact to ensure surface flatness and thickness uniformity.
It effectively reduces the risk of hand injury, improves the flatness and thickness uniformity of the sample surface, and ensures the accuracy of the resistivity detection results of the metal sample.
Smart Images
Figure CN222114706U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of metallographic sample preparation, and in particular to a grinding and polishing clamping device and a grinding and polishing equipment. Background Art
[0002] The physical and mechanical properties of metal materials are related to their internal structure. Therefore, metallographic analysis can be performed on metal materials to understand their characteristics. For example, when using the Van der Pauw method to detect the resistivity of metal samples, there are strict requirements on the flatness and thickness of the samples. For example, the flatter the sample surface, the thinner and more uniform the thickness, the more accurate the test results, and the samples cannot be inlaid during grinding and polishing. Therefore, the surface of the sample needs to be precisely ground and polished before testing. For thin-walled samples, manual grinding and polishing can easily cause hand injuries. At the same time, since the sample is difficult to fix during manual grinding and polishing, its surface flatness and grinding thickness are also difficult to guarantee, which makes it impossible to accurately measure the resistance of the metal sample. Utility Model Content
[0003] The purpose of the present disclosure is to provide a grinding and polishing clamping device and a grinding and polishing equipment to reduce the risk of hand injury and improve the flatness and thickness uniformity of the sample surface.
[0004] Based on the above purpose, the present disclosure provides a grinding and polishing clamping device, including a clamping portion, wherein the clamping portion has at least two oppositely arranged placement surfaces, and at least two oppositely arranged placement surfaces are each provided with a groove for placing a sample, and the bottom of the groove is parallel to the placement surface.
[0005] In one embodiment of the present disclosure, the shapes of the grooves provided on at least two of the placement surfaces are different.
[0006] In one embodiment of the present disclosure, the placement surface is provided with at least two grooves.
[0007] In one embodiment of the present disclosure, the depths of the grooves provided on at least two of the placement surfaces are different.
[0008] In one embodiment of the present disclosure, the clamping portion is made of cemented carbide.
[0009] In one embodiment of the present disclosure, the clamping portion is in the shape of a cylinder, the number of the placement surfaces is two, and the two placement surfaces are arranged opposite to each other along the axial direction of the clamping portion.
[0010] In one embodiment of the present disclosure, the clamping portion is in the shape of a prism, and the prism has a plurality of outer surfaces, and at least two opposite outer surfaces form the placement surface.
[0011] In one embodiment of the present disclosure, the clamping portion is in the shape of a cube, and the number of the placement surfaces is six.
[0012] In one embodiment of the present disclosure, the groove is rectangular in shape, and avoidance grooves are provided at the four corners of the groove.
[0013] Based on the above purpose, the present disclosure also provides a grinding and polishing equipment, including the grinding and polishing clamping device.
[0014] The beneficial effects of the present disclosure are mainly:
[0015] The grinding and polishing clamping device provided by the present disclosure has at least two oppositely disposed placement surfaces as the clamping part, and at least two oppositely disposed placement surfaces are provided with grooves, which can be selected as needed. When in use, the sample can be placed in the groove, and then pressure is applied to the clamping part so that the surface of the sample away from the groove bottom is in close contact with the grinding disc of the grinding and polishing machine, so as to grind and polish one side of the sample, and after the grinding and polishing of one side is completed, the other side of the sample is ground and polished, thereby ensuring the surface flatness of the sample; at the same time, since the groove bottom of the groove is parallel to the placement surface, the thickness uniformity of the sample after grinding and polishing can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the present disclosure or the technical solutions in the prior art, the drawings required for use in the specific embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 A schematic diagram of the structure of a grinding and polishing clamping device provided in an embodiment of the present disclosure;
[0018] Figure 2 A top view of a grinding and polishing clamping device provided in an embodiment of the present disclosure;
[0019] Figure 3 for Figure 2 A cross-sectional view along line AA;
[0020] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;
[0021] Figure 5 Another structural schematic diagram of the grinding and polishing clamping device provided in the embodiment of the present disclosure;
[0022] Figure 6 A third structural schematic diagram of the grinding and polishing clamping device provided in an embodiment of the present disclosure.
[0023] The following are the descriptions of the reference numerals:
[0024] 100- clamping part;
[0025] 101-Placement surface;
[0026] 102-groove;
[0027] 103-Avoidance slot. DETAILED DESCRIPTION
[0028] The technical solution of the present disclosure will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present disclosure.
[0029] In the description of the present disclosure, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0030] In the description of the present disclosure, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.
[0031] See also Figures 1 to 6 As shown, this embodiment provides a grinding and polishing clamping device, including a clamping portion 100, the clamping portion 100 has at least two oppositely disposed placement surfaces 101, and the at least two oppositely disposed placement surfaces 101 are both provided with a groove 102 for placing a sample, and the bottom of the groove 102 is parallel to the placement surface 101.
[0032] The polishing clamping device provided in this embodiment has at least two oppositely arranged placement surfaces 101 in the clamping part 100, and at least two placement surfaces 101 are provided with grooves 102, which can be selected as needed. When in use, the sample can be placed in the groove 102, and then pressure is applied to the clamping part 100, so that the surface of the sample away from the bottom of the groove is in close contact with the grinding disc of the polishing machine, so as to polish one side of the sample, and after the polishing of one side is completed, the other side of the sample is polished, so as to ensure the surface flatness of the sample; at the same time, since the bottom of the groove 102 is parallel to the placement surface 101, the thickness uniformity of the sample after polishing can be ensured.
[0033] It should be understood that the groove bottom of the groove 102 is parallel to the placement surface 101, which means that the groove bottom of the groove 102 is substantially parallel to the placement surface 101 when the machining accuracy allows.
[0034] When the number of placement surfaces is greater than two, the remaining placement surfaces may be arranged relative to each other or may not be arranged relative to each other.
[0035] In this embodiment, the shape of the groove 102 refers to the contour shape of the cross section of the groove 102 , and the cross section of the groove 102 is perpendicular to the depth of the groove 102 .
[0036] In some embodiments, the shapes of the grooves 102 provided on at least two placement surfaces 101 are different, so that samples of different shapes can be placed.
[0037] For example, the shape of the groove 102 can be processed according to the contour shape of the sample.
[0038] The shape of the groove 102 may be, but is not limited to, rectangular, circular, triangular or hexagonal.
[0039] In other embodiments, the shapes of the grooves 102 disposed on all the placement surfaces 101 are the same.
[0040] It should be understood that the sizes of the two grooves 102 can be the same or different, and can be processed specifically according to the shape of the sample. For example, when the cross-sections of the two grooves 102 are circular, the diameters of the two circles can be equal or different.
[0041] The depths d of the grooves 102 on different placement surfaces 101 may be the same or different, and may be processed specifically according to the thickness of the sample. Before grinding and polishing, the thickness of the sample is greater than the depth of the groove 102. After grinding and polishing on one side, the thickness of the sample is still greater than the depth of the groove. After grinding and polishing on the other side, the thickness of the sample is greater than or equal to the depth of the groove. Exemplarily, after grinding and polishing, the thickness of the sample is substantially equal to the depth of the groove 102.
[0042] For example, see Figure 3 and Figure 4 As shown, within the field of view, the depth d of the groove 102 located at the top is equal to the depth of the groove 102 located at the bottom, and the depth of the groove 102 located at the top is greater than the depth of the groove 102 located at the left.
[0043] In one embodiment, the placement surface 101 is provided with at least two grooves 102 .
[0044] For example, two grooves 102 of the same shape and size may be provided on the same placement surface 101, so that two samples can be ground and polished at the same time, thereby improving efficiency.
[0045] Of course, two grooves 102 of different shapes or sizes can also be provided on the same placement surface 101, so that more specimens of different shapes or sizes can be accommodated. Figure 5 As shown, one of the grooves 102 is circular in shape, and the other groove 102 is rectangular in shape.
[0046] It should be noted that three or more grooves 102 may be provided on the same placement surface 101. The number of grooves 102 provided on different placement surfaces 101 may be the same or different.
[0047] In one embodiment, the material of the clamping portion 100 is cemented carbide.
[0048] The material of the clamping portion 100 may be an existing hard wear-resistant alloy, such as alloy steel.
[0049] In a possible design, the clamping portion 100 is in the shape of a prism, and the prism has multiple outer surfaces, and at least two opposite outer surfaces form the placement surface 101. The prism-shaped clamping portion 100 is easy to process, and has more outer surfaces that can be used as the placement surface 101, so that more grooves 102 of different shapes can be set, and the application range is wider.
[0050] The prism has two opposite and parallel outer surfaces, both of which form a placement surface 101, and both placement surfaces 101 are provided with a groove 102. The shape, size and depth of the groove 102 can be processed according to the sample. Of course, multiple surfaces between the two opposite and parallel outer surfaces can also be used as the placement surface 101.
[0051] Since the depth of the groove 102 in this embodiment is small, the groove 102 can be provided on two opposite placement surfaces 101 at the same time to ensure that the two grooves 102 are not connected.
[0052] Exemplarily, the shape of the clamping portion 100 is a cube, and the number of the placement surfaces 101 is six, and the six placement surfaces 101 are six outer surfaces of the clamping portion 100. The six placement surfaces are arranged opposite to each other in pairs.
[0053] In this embodiment, the six placement surfaces 101 are all provided with grooves 102. The shapes of the grooves 102 on the six placement surfaces 101 are all the same.
[0054] In other embodiments, the shapes of the grooves 102 on the six placement surfaces 101 may be partially the same or completely different.
[0055] In one embodiment, the shape of the groove 102 is rectangular, and four corners of the groove 102 are provided with avoidance grooves 103 .
[0056] For example, see Figure 1 and Figure 2 As shown, the shape of the groove 102 is generally square, and avoidance grooves 103 are provided at the four corners of the groove 102 . When the shape of the sample has rounded corners, the avoidance grooves 103 can leave space for the rounded corners, and it is also convenient to take the sample out of the groove 102 .
[0057] In another possible design, see Figure 6 As shown, the shape of the clamping part 100 is a cylinder. When the clamping part 100 is held by hand, the cylindrical clamping part 100 is convenient to hold. There are two placement surfaces 101, and the two placement surfaces 101 are arranged opposite to each other along the axial direction of the clamping part 100.
[0058] The cylindrical clamping portion 100 has two surfaces arranged opposite to each other in the axial direction, both of which are placement surfaces 101 , and grooves 102 are arranged on both placement surfaces 101 .
[0059] It should be noted that the shape of the clamping portion 100 is not limited to the above two shapes.
[0060] This embodiment also provides a grinding and polishing device, including the grinding and polishing clamping device provided in this embodiment.
[0061] The polishing equipment provided in this embodiment uses the polishing clamping device provided in this embodiment, so that the sample can be placed in the groove 102, and then pressure is applied to the clamping part 100, so that the surface of the sample away from the bottom of the groove is in close contact with the grinding disc of the polishing machine, so as to polish one side of the sample. After the polishing of one side is completed, the other side of the sample is polished, thereby ensuring the surface flatness of the sample; at the same time, since the bottom of the groove 102 is parallel to the placement surface 101, the thickness uniformity of the sample after polishing can be ensured.
[0062] The grinding and polishing equipment provided in this embodiment also includes a grinding and polishing machine, which includes a grinding disc for grinding the sample. When in use, the staff can place the sample in the groove 102, hold the clamping part 100, and make the placement surface 101 on which the sample is placed fit on the grinding disc, and apply pressure to the clamping part 100, so that the surface of the sample away from the bottom of the groove 102 is in close contact with the grinding disc of the grinding and polishing machine, and the grinding disc rotates to grind and polish the sample.
[0063] It should be noted that the structure and working principle of the grinder and polisher should be understandable to those skilled in the art, and are well known and easy to implement for those skilled in the art, so they will not be described in detail in this embodiment.
[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present disclosure.
Claims
1. A grinding and polishing clamping device, characterized in that: The clamping part comprises at least two oppositely arranged placement surfaces, and at least two oppositely arranged placement surfaces are both provided with grooves for placing samples, and the bottoms of the grooves are parallel to the placement surfaces.
2. The grinding and polishing clamping device according to claim 1, characterized in that: The shapes of the grooves provided on at least two of the placement surfaces are different.
3. The grinding and polishing clamping device according to claim 1, characterized in that: The placement surface is provided with at least two grooves.
4. The grinding and polishing clamping device according to claim 1, characterized in that: The depths of the grooves provided on at least two of the placement surfaces are different.
5. The grinding and polishing clamping device according to claim 1, characterized in that: The material of the clamping part is hard alloy.
6. The grinding and polishing clamping device according to any one of claims 1 to 5, characterized in that: The clamping portion is in the shape of a cylinder, and the number of the placement surfaces is two, and the two placement surfaces are arranged opposite to each other along the axial direction of the clamping portion.
7. The grinding and polishing clamping device according to any one of claims 1 to 5, characterized in that: The clamping portion is in the shape of a prism, and the prism has a plurality of outer surfaces, and at least two opposite outer surfaces form the placement surface.
8. The grinding and polishing clamping device according to claim 7, characterized in that: The clamping portion is in the shape of a cube, and the number of the placement surfaces is six.
9. The grinding and polishing clamping device according to claim 8, characterized in that: The groove is in a rectangular shape, and four corners of the groove are provided with avoidance grooves.
10. A grinding and polishing device, characterized in that: A grinding and polishing clamping device comprising any one of claims 1 to 9.