CN221078262U - Saddle for hardness detection of carburized test rod - Google Patents
Saddle for hardness detection of carburized test rod Download PDFInfo
- Publication number
- CN221078262U CN221078262U CN202322745111.2U CN202322745111U CN221078262U CN 221078262 U CN221078262 U CN 221078262U CN 202322745111 U CN202322745111 U CN 202322745111U CN 221078262 U CN221078262 U CN 221078262U
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- Prior art keywords
- hardness
- supporting
- carburized
- saddle
- groove
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000005255 carburizing Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000007542 hardness measurement Methods 0.000 abstract 5
- 238000005259 measurement Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a saddle for hardness detection of a carburized test bar, which comprises a supporting part, wherein the lower end of the supporting part is connected with a mounting shaft, and the mounting shaft is used for being connected with a main shaft of a hardness detector; the support part is provided with a groove which is used for supporting the carburized rod to be detected. The installation axle is used for connecting the main shaft of hardness testing machine as whole device stable basis, can fix whole saddle on the main shaft of hardness testing machine through the installation axle, because the main shaft of hardness testing machine is coaxial when setting up with the detection head of hardness testing machine, consequently when the saddle is fixed on the hardness testing machine main shaft, can make recess on the supporting part, the ooze carbon stick that waits to detect and detection head coaxial, when the side head moves down and detects, can direct positioning in the center department of carburizing stick, detect the position accurate, and because it is spacing fixed to the carburizing stick through the recess, reduced the requirement to saddle and carburizing stick back flatness, avoid appearing measuring error.
Description
Technical Field
The utility model belongs to the technical field of workpiece hardness detection, and relates to a supporting table for detecting hardness of a carburized test bar.
Background
The common furnace-following sample in the carburizing and quenching process of the gear part is a cylindrical carburizing test bar, one item in metallographic detection of the carburizing test bar is to detect the hardness of the core, the hardness of the core is to detect the Rockwell hardness at the center position of the sample,
At present, the measured surface and the back surface of a sample are ground flat and then are placed on a plane supporting table for detection, and the pressure head of the sample visual measurement hardness tester is moved by hands to align with the circle center.
Disclosure of utility model
The utility model aims to solve the problems that in the prior art, when a carburized test bar is detected, a hardness tester pressure head is usually moved by visual inspection to align with the circle center, measurement errors are detected, and when the flatness of a sample and the flatness of a support are unbalanced, the measurement errors exist, and provides the support for detecting the hardness of the carburized test bar.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
The supporting table for detecting the hardness of the carburized test rod comprises a supporting part, wherein the lower end of the supporting part is connected with a mounting shaft which is used for being connected with a main shaft of a hardness detector;
the support part is provided with a groove which is used for supporting the carburized rod to be detected.
The utility model further improves that:
a main shaft of the hardness tester is provided with a fixing hole, and the mounting shaft is placed in the fixing hole.
The structure of the installation shaft is a cylinder structure.
The supporting part comprises a supporting round table, and a plurality of supporting blocks are circumferentially distributed on the supporting round table;
The plurality of support blocks are matched to form a groove.
The cross section of the groove is circular, and the diameter of the groove is gradually reduced from top to bottom;
The inner side of the groove is sequentially provided with a plurality of groups of step surfaces from top to bottom, and each group of step surfaces are matched to form support platforms with different diameters.
The step surface is provided with two groups from top to bottom.
The diameter of a supporting platform formed by the step surfaces close to the upper end of the groove in the two groups of step surfaces is 18mm;
The diameter of the supporting platform formed by the step surface near the lower end of the groove is 12.7mm.
The supporting blocks are circumferentially distributed in three.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model discloses a saddle for hardness detection of a carburized test rod, which is characterized in that a mounting shaft is used as a stable foundation of the whole device, the mounting shaft is used for connecting a spindle of a hardness detector, the whole saddle can be fixed on the spindle of the hardness detector through the mounting shaft, and because the spindle of the hardness detector and a detection head of the hardness detector are coaxially arranged, when the saddle is fixed on the spindle of the hardness detector, a groove on a supporting part, a carburized rod to be detected and the detection head are coaxial, when a lateral head moves downwards for detection, the saddle can be directly positioned at the center of the carburized rod, the detection position is accurate, and because the carburized rod is limited and fixed through the groove, the requirements on flatness of the backs of the saddle and the carburized rod are reduced, and measurement errors are avoided.
Furthermore, in the utility model, the inner side of the groove is sequentially provided with a plurality of groups of step surfaces from top to bottom, each group of step surfaces are matched to form supporting platforms with different diameters, different supporting platforms can support carburized rods with different specifications, the adaptability of the supporting platform is improved, the carburized rods can be supported only by propping the step surfaces against the bottoms of the carburized rods, the requirements on the supporting platform and the flatness of the back surfaces of the carburized rods are reduced, and the measurement precision is improved.
Furthermore, in the utility model, three support blocks are circumferentially distributed to form a triangular support, so that the stability of the whole support is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present utility model;
fig. 5 is a schematic diagram of an assembly application of the present utility model.
Wherein: 1-a support; 2-mounting a shaft; 3-grooves; 4-supporting the round table; 5-supporting blocks; 6-step surface; 7-a carbon-penetrating rod; 8-a detection head.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 to 4, the utility model discloses a saddle for hardness detection of a carburized test rod, which comprises a supporting part 1, wherein the lower end of the supporting part 1 is connected with a mounting shaft 2, the mounting shaft 2 is used for being connected with a main shaft of a hardness detector, a groove 3 is formed in the supporting part 1, the groove 3 is used for supporting the carburized rod to be detected, and the groove 3, the mounting shaft 2, the carburized rod 7 and a detection head 8 are coaxially arranged.
Referring to fig. 5, further, in this embodiment, a connection hole is formed on a spindle of the hardness tester, the installation shaft 2 may be placed in the connection hole, and since the installation shaft 2 and the detection head 8 of the hardness tester are coaxially disposed, the groove 3 is formed at the center of the support portion 1, so that when the carburized rod 7 is placed in the groove 3, the support portion 1 and the detection head 8 are coaxial, when the detection head 8 moves downward to perform detection, the carburized rod can directly contact with and offset the center of the carburized rod 7, so that detection is performed, visual inspection and manual movement are not required, measurement errors are reduced, and detection accuracy is improved.
Further, in this embodiment, the specific structure of the groove 3 is:
The supporting part 1 comprises a supporting round table 4, the supporting round table 4 is of a cylindrical structure, the supporting round table 4 is fixed at the upper end of the installation shaft 2, three supporting blocks 5 are circumferentially distributed at the upper end of the supporting round table 4, the three supporting blocks 5 are matched, a groove 3 is formed between the three supporting blocks 5 in a matched mode, the three supporting blocks 5 are disclosed in the embodiment, triangular supports are formed, the stability of the whole support is reinforced, and inclined shaking of a carbon penetration rod in detection is avoided.
Further, in this embodiment, recess 3 includes from top to bottom has arranged two sets of step faces 6, step face 6 sets up along the inside wall of supporting shoe 5, and the cooperation of same level's three step face 6 forms supporting platform, and wherein, the diameter of the supporting platform that is close to recess 3 upper end is greater than the diameter of the supporting platform that is close to recess 3 lower extreme, and the supporting platform of two kinds of different diameters can be applied to the detection of oozing the carbon stick of different specifications, has increased the suitability of saddle to oozing the carbon stick.
Further, in the two support platforms disclosed in this embodiment, the diameter of the support platform near the upper end of the groove 3 is 18mm, and the diameter of the support platform near the lower end of the groove 3 is 12.7mm.
Further, in this embodiment, support the carburized rod through supporting platform, form stable supporting end face, carburized rod is close to the terminal surface of center department and is in unsettled state all the time, and is lower to the requirement of bottom planarization, does not need to ground in advance to the terminal surface specialty and has improved the detection precision and the detection efficiency of test rod core hardness.
Referring to fig. 5, the principle of use of the present embodiment:
placing the mounting shaft 2 in a through hole in the main shaft of the hardness tester;
Placing a carburized rod 7 to be detected on a corresponding step surface 6 in the groove 3, wherein the groove 3, the supporting part 1 and the detection head 8 are coaxial;
The detection head 8 is moved downwards until the end part of the detection head 8 is propped against the upper end surface of the carburizing rod 7;
The detection is started.
The saddle structure disclosed in this embodiment can be fast to the detection centre of a circle of location carburization stick to can stably support carburization stick terminal surface, need not to grind the terminal surface specialty and level and improved the detection precision and the detection efficiency of test rod core hardness.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The saddle for detecting the hardness of the carburized test rod is characterized by comprising a supporting part (1), wherein the lower end of the supporting part (1) is connected with a mounting shaft (2), and the mounting shaft (2) is used for being connected with a main shaft of a hardness detector;
The support part (1) is provided with a groove (3), and the groove (3) is used for supporting a carburized rod to be detected.
2. The pallet for hardness detection of carburized test bars according to claim 1, wherein a fixing hole is formed in a main shaft of the hardness detector, and the mounting shaft (2) is placed in the fixing hole.
3. A pallet for carburized test rod hardness detection according to claim 1, wherein the structure of the mounting shaft (2) is a cylindrical structure.
4. The saddle for hardness detection of carburized test bars according to claim 1, wherein the supporting part (1) comprises a supporting round table (4), and a plurality of supporting blocks (5) are circumferentially distributed on the supporting round table (4);
The supporting blocks (5) are matched to form grooves (3).
5. The pallet for hardness detection of carburized test bars according to claim 4, wherein the cross section of the groove (3) is circular, and the diameter of the groove (3) is gradually reduced from top to bottom;
The inner side of the groove (3) is sequentially provided with a plurality of groups of step surfaces (6) from top to bottom, and each group of step surfaces (6) are matched to form support platforms with different diameters.
6. The pallet for hardness detection of carburized test bars according to claim 5, wherein the step surfaces (6) are provided with two groups from top to bottom.
7. The pallet for hardness detection of carburized test bars according to claim 6, wherein the diameter of a supporting platform formed by the step surfaces (6) close to the upper end of the groove (3) is 18mm;
The diameter of a supporting platform formed by the step surface (6) near the lower end of the groove (3) is 12.7mm.
8. The pallet for hardness detection of carburized test bars according to claim 4, wherein three supporting blocks (5) are circumferentially distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322745111.2U CN221078262U (en) | 2023-10-12 | 2023-10-12 | Saddle for hardness detection of carburized test rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322745111.2U CN221078262U (en) | 2023-10-12 | 2023-10-12 | Saddle for hardness detection of carburized test rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221078262U true CN221078262U (en) | 2024-06-04 |
Family
ID=91267118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322745111.2U Active CN221078262U (en) | 2023-10-12 | 2023-10-12 | Saddle for hardness detection of carburized test rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221078262U (en) |
-
2023
- 2023-10-12 CN CN202322745111.2U patent/CN221078262U/en active Active
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