CN219935567U - Rockwell hardness tester - Google Patents
Rockwell hardness tester Download PDFInfo
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- CN219935567U CN219935567U CN202320254882.9U CN202320254882U CN219935567U CN 219935567 U CN219935567 U CN 219935567U CN 202320254882 U CN202320254882 U CN 202320254882U CN 219935567 U CN219935567 U CN 219935567U
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- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 208000010727 head pressing Diseases 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- 238000007550 Rockwell hardness test Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a Rockwell hardness tester, which comprises a seat body, a fixing structure and a driving structure; the base body is provided with a pressing head and an adjusting arm at intervals, the adjusting arm extends towards the pressing head, one end of the adjusting arm, which is close to the pressing head, is provided with a supporting platform, and the distance between the supporting platform and the pressing head can be adjusted; the fixed structure comprises a clamping arm and a fixed arm which are arranged on one side, close to the pressure head, of the supporting platform, the clamping arm comprises a clamping section, a rotating part and a driving section, the clamping section, the rotating part and the driving section are sequentially connected, an included angle is formed between the clamping section and the driving section, a clamping gap is formed between the clamping section and the fixed arm, and the rotating part is axially rotated around the rotating part to be arranged on the supporting platform so as to drive the clamping section to be close to and far away from the fixed arm when the driving section moves; the driving structure is arranged on the supporting platform and is in driving connection with the driving section for driving the driving section to move. According to the scheme, the unexpected running of the object to be detected in the pressing head pressing process can be avoided, the measurement accuracy is improved, and the structure is compact and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of sclerometers, in particular to a Rockwell hardness meter.
Background
The Rockwell hardness tester is designed according to the Rockwell hardness test principle in the first place in the world, and can test the metal hardness by only contacting a sample on one side. Because the Rockwell hardness tester is simple and convenient to operate, has small indentation and wide hardness measurement range, the conventional metal material generally uses the Rockwell hardness tester to measure the hardness.
For example, patent CN 215218415U discloses a high-precision rockwell hardness tester which is convenient to maintain, and by adjusting the size of the supporting surface, larger articles are more stable in detection, and the detection precision of the rockwell hardness tester is improved. However, the fixing structure is not arranged to fix the object to be detected, so that the object to be detected is in accidental running risk in the pressing head pressing process, the object to be detected is stressed to be deviated, and the hardness measurement of the material is not accurate enough.
Disclosure of Invention
In view of the above, it is necessary to provide a rockwell hardness tester for solving the technical problem that in the prior art, a fixing structure is not provided to fix an object to be detected, so that the object to be detected is at risk of unexpected running in the pressing process of a pressing head, and the stress of the object to be detected is biased.
The present utility model provides a rockwell hardness scale, comprising:
the base body is provided with a pressing head and an adjusting arm at intervals, the adjusting arm extends towards the pressing head, one end of the adjusting arm, which is close to the pressing head, is provided with a supporting platform, and the distance between the supporting platform and the pressing head is adjustable;
the fixing structure comprises a clamping arm and a fixing arm which are arranged on one side, close to the pressure head, of the supporting platform, wherein the clamping arm comprises a clamping section, a rotating part and a driving section which are sequentially connected, the clamping section and the driving section are arranged at an included angle, a clamping gap is formed between the clamping section and the fixing arm, and the rotating part is axially rotated around the rotating part and is arranged on the supporting platform so as to drive the clamping section to be close to and far away from the fixing arm when the driving section moves; the method comprises the steps of,
the driving structure is arranged on the supporting platform, is in driving connection with the driving section and is used for driving the driving section to move.
Optionally, the supporting platform is provided with an installation cavity, and one side of the installation cavity, which is close to the pressure head, is provided with an avoidance port;
the fixed arm is arranged on the outer side wall of the mounting cavity and corresponds to the avoidance port;
the rotating part and the driving section are positioned in the mounting cavity, and one end of the clamping section, which is far away from the rotating part, extends out of the mounting cavity from the avoidance opening so as to be arranged at intervals with the fixed arm.
Optionally, the driving section is located at one side of the clamping section close to the fixed arm;
the side wall of the mounting cavity opposite to the driving section is provided with a guide hole towards the driving section in a penetrating way;
the driving structure comprises a driving screw rod and a transmission block positioned in the mounting cavity, the transmission block is positioned at one side of the driving section away from the rotating part, a guide surface is formed at one side of the transmission block, which is close to the driving section, and the guide surface is obliquely arranged from one end, which is close to the avoidance opening, to one end, which is far from the avoidance opening, to the direction, which is far from the driving section, so that the driving section can be driven to move when the transmission block moves;
the driving screw rod penetrates through the threaded hole from the guide hole to drive the driving block to move.
Optionally, one end of the driving section, which is close to the transmission block, is provided with a guide post, and a wall surface of the guide post can be abutted to the guide surface.
Optionally, one of the inner walls of the transmission block and the installation cavity is provided with a sliding block, the other one is provided with a sliding groove corresponding to the sliding block, and the sliding groove extends from the guide hole to the threaded hole.
Optionally, the side wall opposite to the clamping section of the dodging port is provided with an elastic resetting piece, and one end of the elastic resetting piece is abutted to the clamping section and used for driving the fixed arm to reset to a position far away from the fixed arm from a position close to the fixed arm.
Optionally, the supporting platform comprises a first platform body and a second platform body along a direction far away from the pressure head, the first platform body and the second platform body enclose together to form the mounting cavity, and the first platform body is in threaded connection with the second platform body;
the second platform body is connected to the adjusting arm, and the fixing arm and the avoidance opening are formed in the first platform body.
Optionally, an end of the clamping section away from the rotating portion is bent towards the fixed arm to form a stop section.
Optionally, the clamping section includes a first clamping section and a second clamping section along a direction away from the rotating portion, the stop section is connected to the second clamping section, the first clamping section is connected to the rotating portion, and the second clamping section is in plug connection with the first clamping section.
Optionally, the adjusting arm has a movable travel near and far from the ram, so that a distance between the support platform and the ram is adjustable.
Compared with the prior art, when the Rockwell hardness tester provided by the utility model is used for measuring, the clamping section is adjusted to be far away from the fixed arm through the driving structure, then the object to be detected is placed in the clamping gap between the piece section and the fixed arm, and then the driving structure drives the driving section to move so as to drive the rotating part to rotate, and further drives the clamping section to be close to the fixed arm so as to clamp the object to be detected. Therefore, the unexpected running of the object to be detected in the pressing process of the pressing head is avoided, the measurement accuracy is improved, and the structure is compact and the operation is simple and convenient.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of a Rockwell hardness tester according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the support platform and the fixing structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the support platform and the stationary structure of FIG. 2;
FIG. 4 is an exploded view of the second stage and drive structure of FIG. 3;
FIG. 5 is a schematic view of the driving block of FIG. 4;
FIG. 6 is an enlarged schematic view of FIG. 2A;
FIG. 7 is an exploded view of the first and second tables of FIG. 2;
fig. 8 is an exploded view of the clamping arm of fig. 2.
Reference numerals illustrate:
the device comprises a 100-Rockwell hardness tester, a 1-seat body, a 11-pressure head, a 12-adjusting arm, a 2-supporting platform, a2 a-mounting cavity, a 2a 1-guide hole, a 2-sliding groove, a2 b-avoidance opening, a 21-first platform body, a 22-second platform body, a 3-fixed structure, a 3 a-clamping gap, a 31-clamping arm, a 311-clamping section, a 3111-first clamping section, a 3112-second clamping section, a 312-rotating part, a 313-driving section, a 3131-guide column, a 314-blocking section, a 32-fixed arm, a 4-driving structure, a 41-driving screw, a 42-driving block, a 42 a-threaded hole, a 421-guide surface, a 422-sliding block, a 5-elastic reset piece and a 6-driving sleeve.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the rockwell hardness tester 100 includes a base 1, a fixing structure 3, and a driving structure 4; the base body 1 is provided with a pressing head 11 and an adjusting arm 12 at intervals, the adjusting arm 12 extends towards the pressing head 11, one end of the adjusting arm, which is close to the pressing head 11, is provided with a supporting platform 2, and the distance between the supporting platform 2 and the pressing head 11 can be adjusted; the fixed structure 3 comprises a clamping arm 31 and a fixed arm 32 which are arranged on one side of the supporting platform 2, which is close to the pressure head 11, the clamping arm 31 comprises a clamping section 311, a rotating part 312 and a driving section 313 which are sequentially connected, the clamping section 311 and the driving section 313 are arranged at an included angle, a clamping gap 3a is formed between the clamping section 311 and the fixed arm 32, and the rotating part 312 is axially rotated around the rotating part and is arranged on the supporting platform 2 so as to drive the clamping section 311 to be close to and far away from the fixed arm 32 when the driving section 313 moves; the driving structure 4 is disposed on the supporting platform 2 and is in driving connection with the driving section 313, so as to drive the driving section 313 to move.
When the Rockwell hardness tester 100 provided by the utility model is used for measurement, the driving structure 4 is used for adjusting the clamping section 311 to be far away from the fixed arm 32, then an object to be detected is placed in the clamping gap 3a between the piece section and the fixed arm 32, and then the driving structure 4 is used for driving the driving section 313 to move so as to drive the rotating part 312 to rotate, and further the clamping section 311 is driven to be close to the fixed arm 32 so as to clamp the object to be detected. Therefore, the unexpected running of the object to be detected in the pressing process of the pressing head 11 is avoided, the measurement accuracy is improved, and the structure is compact and the operation is simple and convenient. In the present embodiment, the fixing arm 32 is provided in the form of a fixing plate, and the axial direction of the rotating portion 312 coincides with the width direction of the fixing plate, and in the example of the drawing, the axial direction of the rotating portion 312 is shown as F.
Further, referring to fig. 3, a side of the installation cavity 2a, which is close to the pressure head 11, is provided with a avoiding port 2b; the fixed arm 32 is arranged on the outer side wall of the mounting cavity 2a and corresponds to the avoidance port 2b; the rotating portion 312 and the driving section 313 are located in the mounting cavity 2a, and one end of the clamping section 311, which is far away from the rotating portion 312, extends out of the mounting cavity 2a from the avoiding opening 2b to be spaced from the fixed arm 32. In the present embodiment, the rotating portion 312 and the driving section 313 are disposed in the mounting cavity 2a, so as to reduce interference of components, improve operation convenience, and make the overall structure more compact.
Still further, referring to fig. 3 to 5, the driving section 313 is located on a side of the clamping section 311 near the fixed arm 32; the side wall of the mounting cavity 2a opposite to the driving section 313 is provided with a guide hole 2a1 towards the driving section 313; the driving structure 4 comprises a driving screw 41 and a transmission block 42 positioned in the mounting cavity 2a, the transmission block 42 is positioned at one side of the driving section 313 far away from the rotating part 312, a guide surface 421 is formed at one side of the transmission block near the driving section 313, and the guide surface 421 is obliquely arranged from one end near the avoidance port 2b to one end far away from the avoidance port 2b and is far away from the driving section 313, so that the driving section 313 can be driven to move when the transmission block 42 moves; the driving block 42 is provided with a threaded hole 42a in a direction approaching to the driving section 313, and the driving screw 41 is inserted into the threaded hole 42a from the guiding hole 2a1 to drive the driving block 42 to move.
In the scheme, before detection, the driving screw 41 drives the transmission block 42 to move along the direction away from the driving section 313, so that one end of the driving section 313, which is close to the transmission block 42, is not contacted with the guide surface 421; at this time, the end of the clamping section 311 away from the rotating portion 312 can be away from the fixed arm 32 to enlarge the clamping gap 3a, so as to facilitate placement of the object to be inspected. After the article to be detected is placed, the driving screw 41 is reversely rotated to drive the transmission block 42 to move in the direction close to the driving section 313, so that the guide surface 421 is abutted against the driving section 313 to drive the rotating part 312 to rotate, and then the clamping section 311 is driven to move in the direction close to the fixed arm 32 to clamp the article to be detected. It should be noted that, the arrangement of the transmission block 42 can also improve the compressive strength of the support platform 2. Further, the rotating portion 312 is rotatably connected to the side wall of the installation cavity 2a through a rotation shaft and a shaft hole.
Specifically, in order to facilitate the driving block 42 to drive the driving section 313 to move, in this embodiment, a guide post 3131 is disposed at an end of the driving section 313 close to the driving block 42, and a wall surface of the guide post 3131 can abut against the guide surface 421. In this way, when the transmission block 42 moves along the direction approaching to the driving section 313, the guiding surface 421 is abutted against the outer wall surface of the guiding column 3131, so as to drive the driving section 313 to move, and further drive the rotating portion 312 to rotate, so that the clamping section 311 moves more smoothly.
Further, one of the inner walls of the transmission block 42 and the installation cavity 2a is provided with a slide block 422, the other slide block 422 is provided with a slide groove 2a2, and the slide groove 2a2 extends from the direction of the guide hole 2a1 to the threaded hole 42 a. In this embodiment, the sliding block 422 and the sliding slot 2a2 cooperate to make the movement of the transmission block 42 more stable. Specifically, in this embodiment, the drive block 42 is provided with a slider 422. The threaded hole 42a is disposed on the slider 422, and a chute 2a2 is disposed on the inner wall of the corresponding mounting cavity 2 a.
Further, referring to fig. 6, in order to facilitate placement of the object to be detected, in this embodiment, an elastic restoring member 5 is disposed on a side wall of the avoiding opening 2b opposite to the clamping section 311, and one end of the elastic restoring member 5 abuts against the clamping section 311 to drive to restore from a position close to the fixed arm 32 to a position far from the fixed arm 32. In this scheme, when drive screw 41 drives the transmission piece 42 to the direction activity of keeping away from drive section 313, the guide surface 421 does not contact with drive section 313 gradually for press from both sides tight section 311 and drive down to the direction activity of keeping away from fixed arm 32 at elasticity reset piece 5, and then enlarge centre gripping clearance 3a, so that place the article of waiting to detect, make the survey operation more convenient. In this embodiment, the elastic restoring member 5 is a compression spring.
Further, referring to fig. 7, in order to facilitate assembly, in this embodiment, the support platform 2 includes a first platform body 21 and a second platform body 22 along a direction away from the pressing head 11, the first platform body 21 and the second platform body 22 enclose together to form a mounting cavity 2a, and the first platform body 21 is screwed with the second platform body 22; the fixed arm 32 and the escape opening 2b are formed in the first table body 21. In this scheme, second stage body 22 is connected in adjusting arm 12, and the spiro union is connected between first stage body 21 and the second stage body 22 to enclose jointly and close and form installation cavity 2a, make installation cavity 2a can open, and then be convenient for install installation cavity 2a inner structure, it is more convenient to make the assembly.
Still further, referring to fig. 8, an end of the clamping section 311 away from the rotating portion 312 is bent toward the fixed arm 32 to form a stop section 314. The stop section 314 can further reduce the running probability of the object to be detected, so that the detection is more stable. Specifically, the clamping section 311 includes a first clamping section 3111 and a second clamping section 3112 in a direction away from the rotating portion 312, the stop section 314 is connected to the second clamping section 3112, the first clamping section 3111 is connected to the rotating portion 312, and the second clamping section 3112 is plug-connected to the first clamping section 3111. That is, the first and second clamping sections 3111 and 3112 are detachably connected to each other, thereby facilitating the installation of the clamping arm 31. In this scheme, the first section 3111 is close to the concave grafting groove that is equipped with of one end of second section 3112 that presss from both sides, and the second section 3112 is close to the protruding plugboard that is equipped with of one end of first section 3111 that presss from both sides, and the plugboard inserts and locates in the grafting groove, realizes the detachable connection between first section 3111 and the second section 3112 that presss from both sides.
Further, the adjusting arm 12 has a movable stroke toward and away from the ram 11, so that the distance between the support platform 2 and the ram 11 is adjustable. The movable form of the adjusting arm 12 is not limited, and may be driven by a linear motor, may be driven by a hydraulic cylinder, or may be other forms. Specifically, in the present embodiment, the rockwell hardness scale 100 further includes a driving sleeve 6, and the driving sleeve 6 is rotatably disposed on the base 1 around the axial direction thereof and is sleeved on the outer periphery of the adjusting arm 12. One end of the adjusting arm 12 is arranged in the mounting hole of the base body 1 in a penetrating manner, threads are arranged on the inner wall of the driving sleeve 6, and threads are also arranged on the outer wall of the corresponding adjusting arm 12, so that the driving sleeve 6 can drive the adjusting arm 12 to move along the direction approaching to and away from the pressure head 11 when rotating. It should be understood that the outer wall of the adjusting arm 12 is provided with a limiting block, and the inner wall of the mounting hole is provided with a limiting groove corresponding to the limiting block, and the limiting groove is matched with the limiting block to limit the rotation of the adjusting arm 12.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A rockwell hardness scale, comprising:
the base body is provided with a pressing head and an adjusting arm at intervals, the adjusting arm extends towards the pressing head, one end of the adjusting arm, which is close to the pressing head, is provided with a supporting platform, and the distance between the supporting platform and the pressing head is adjustable;
the fixing structure comprises a clamping arm and a fixing arm which are arranged on one side, close to the pressure head, of the supporting platform, wherein the clamping arm comprises a clamping section, a rotating part and a driving section which are sequentially connected, the clamping section and the driving section are arranged at an included angle, a clamping gap is formed between the clamping section and the fixing arm, and the rotating part is axially rotated around the rotating part and is arranged on the supporting platform so as to drive the clamping section to be close to and far away from the fixing arm when the driving section moves; the method comprises the steps of,
the driving structure is arranged on the supporting platform, is in driving connection with the driving section and is used for driving the driving section to move.
2. The rockwell hardness tester according to claim 1, wherein the support platform has an installation cavity, and an avoidance port is formed in one side of the installation cavity, which is close to the pressure head;
the fixed arm is arranged on the outer side wall of the mounting cavity and corresponds to the avoidance port;
the rotating part and the driving section are positioned in the mounting cavity, and one end of the clamping section, which is far away from the rotating part, extends out of the mounting cavity from the avoidance opening so as to be arranged at intervals with the fixed arm.
3. The rockwell hardness machine of claim 2, wherein the drive section is located on a side of the clamp section adjacent the fixed arm;
the side wall of the mounting cavity opposite to the driving section is provided with a guide hole towards the driving section in a penetrating way;
the driving structure comprises a driving screw rod and a transmission block positioned in the mounting cavity, the transmission block is positioned at one side of the driving section away from the rotating part, a guide surface is formed at one side of the transmission block, which is close to the driving section, and the guide surface is obliquely arranged from one end, which is close to the avoidance opening, to one end, which is far from the avoidance opening, to the direction, which is far from the driving section, so that the driving section can be driven to move when the transmission block moves;
the driving screw rod penetrates through the threaded hole from the guide hole to drive the driving block to move.
4. A rockwell hardness machine according to claim 3, wherein the drive section is provided with a guide post at one end thereof adjacent to the drive block, the guide post being capable of abutting against the guide surface.
5. A rockwell hardness machine according to claim 3, wherein one of the inner walls of the drive block and the mounting cavity is provided with a slide, the other of the drive block and the mounting cavity is provided with a slide groove corresponding to the slide, and the slide groove extends from the guide hole to the threaded hole.
6. A rockwell apparatus according to claim 3, wherein the side wall of the relief opening opposite the gripping section is provided with an elastic return member, one end of which abuts the gripping section to drive the return from a position close to the fixed arm to a position remote from the fixed arm.
7. The rockwell hardness tester according to claim 2, wherein the support platform includes a first platform body and a second platform body along a direction away from the ram, the first platform body and the second platform body enclose together to form the installation cavity, and the first platform body is connected with the second platform body in a threaded manner;
the second platform body is connected to the adjusting arm, and the fixing arm and the avoidance opening are formed in the first platform body.
8. The rockwell hardness machine according to claim 7, wherein an end of the gripping section remote from the rotating portion is bent toward the fixed arm to form a stop section.
9. The rockwell hardness machine of claim 8, wherein the clamp section includes a first clamp section and a second clamp section in a direction away from the rotating section, the stop section is connected to the second clamp section, the first clamp section is connected to the rotating section, and the second clamp section is in plug-in connection with the first clamp section.
10. The rockwell hardness machine of claim 1, wherein the adjustment arm has a movable travel toward and away from the ram such that a distance between the support platform and the ram is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254882.9U CN219935567U (en) | 2023-02-13 | 2023-02-13 | Rockwell hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254882.9U CN219935567U (en) | 2023-02-13 | 2023-02-13 | Rockwell hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935567U true CN219935567U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320254882.9U Active CN219935567U (en) | 2023-02-13 | 2023-02-13 | Rockwell hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935567U (en) |
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2023
- 2023-02-13 CN CN202320254882.9U patent/CN219935567U/en active Active
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