Vickers hardness tester

Abstract

The utility model relates to the technical field of durometers, in particular to a Vickers durometer which comprises a machine body, a dustproof component is arranged on one side of the machine body, the dustproof component comprises a first dustproof frame rotationally connected with the machine body and a second dustproof frame rotationally connected with the machine body, a clamping hole is formed in one side of the first dustproof frame, and a clamping groove is formed in the other side of the first dustproof frame. Compared with the prior art, the device has the advantages that after a detector completes detection operation, the protective cover can be pulled to drive the rotating sleeve to rotate around the rotating rod until the protective cover covers the eyepiece, the dust falling prevention purpose can be achieved, then the two dustproof frames are pulled to rotate, and after the two dustproof frames are close to each other, the dust falling prevention purpose can be achieved. The clamping columns can be pulled to move into the clamping holes, the two dustproof frames can be assembled, detection parts in the machine body can be sealed, the dustproof purpose can be achieved, dust in the machine body does not need to be cleaned in the next use process, and the labor amount of detection personnel can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hardness testers, in particular to a Vickers hardness tester. Background Art

[0002] The Vickers hardness test is mainly used in material research and scientific experiments. The small-load Vickers hardness test is mainly used to test the hardness of small precision parts, the hardness of the surface hardened layer and the effective hardened layer depth, etc. It is widely used to measure the microhardness of tiny, thin specimens, surface penetration layers and other specimens.

[0003] The current Vickers hardness tester is placed on a testing station when in use. When the workpiece hardness test is performed, the workpiece can be clamped on a cross workbench for testing. However, after the testing operation is completed, the Vickers hardness tester will be placed on the testing station, and most of the internal testing components are exposed to the outside world. If it is not used for a long time, dust in the air will easily fall on the testing components, and dust will accumulate. The accumulated dust will affect the detection accuracy when used next time. If the dust is cleaned, the workload of the tester will increase and the efficiency of the hardness test will be reduced. Therefore, a Vickers hardness tester is needed to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a Vickers hardness tester to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one side provides a Vickers hardness tester, including a body, a dustproof component is arranged on one side of the body, the dustproof component includes a first dustproof frame rotatably connected to the body and a second dustproof frame rotatably connected to the body, a clamping hole is opened on one side of the first dustproof frame, a side plate is fixedly connected to one side of the second dustproof frame, a connecting plate is fixedly connected to one side of the side plate, a spring is fixedly connected to one side of the spring, a pull plate is fixedly connected to one side of the pull plate, a clamping column is fixedly connected to the first dustproof frame through the clamping hole.

[0007] Preferably, any of the above schemes is that a groove is provided on the side of the body, a rotating hole is provided inside the groove, the top and bottom of the first dustproof frame and the second dustproof frame are fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected to the body through the rotating hole. A metal plate is fixedly connected inside the groove, and a magnet plate is fixedly connected to the outer side of the first dustproof frame and the second dustproof frame, and the magnet plate corresponds to the metal plate, and the magnet plate and the metal plate are both embedded. The technical effect that can be achieved by adopting the above technical scheme is: when it is necessary to perform a hardness test on the workpiece, the pull plate can be pulled to drive the clamping column to move out of the clamping hole, and the fixed relationship between the first dustproof frame and the second dustproof frame can be released, and then the two dustproof frames are pulled to rotate around the rotating shaft until the magnet plate contacts the metal plate. The dustproof frame and the body can be assembled by the attraction between the magnet plate and the metal plate, the detection component can be exposed, and the dustproof frame can be prevented from shaking during detection.

[0008] Preferably, any of the above schemes is that the first dustproof frame and the second dustproof frame are symmetrically distributed on both sides of the machine body, a workbench is fixedly connected to one side of the machine body, and the workbench is located between the first dustproof frame and the second dustproof frame. An eyepiece is arranged on the top of the machine body, a rotating rod is fixedly connected to the top of the machine body, a rotating sleeve is rotatably connected to the outer surface of the rotating rod, a protective cover is fixedly connected to the outer surface of the rotating sleeve, and the eyepiece is located inside the protective cover. The technical effect achieved by adopting the above technical scheme is: after the detection operation is completed, the protective cover can be pulled to drive the rotating sleeve to rotate around the rotating rod until the protective cover covers the eyepiece, which can prevent dust from falling, and then the two dustproof frames are pulled to rotate until the two dustproof frames are close to each other, and the clamping column can be pulled to move into the clamping hole, and the two dustproof frames can be assembled, and the detection components inside the machine body can be sealed to prevent dust, and the dust does not need to be cleaned for the next use, which can reduce the labor of the detection personnel.

[0009] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0010] When it is necessary to perform a hardness test on the workpiece, the pull plate can be pulled to drive the clamping column to move out of the clamping hole, and the fixed relationship between the first dustproof frame and the second dustproof frame can be released. Subsequently, the two dustproof frames can be pulled to rotate around the rotating shaft until the magnet plate contacts the metal plate. The dustproof frame and the machine body can be assembled through the attraction between the magnet plate and the metal plate, the detection component can be exposed, and the dustproof frame can be prevented from shaking during the detection. When the detection operation is completed, the protective cover can be pulled to drive the rotating sleeve to rotate around the rotating rod until the protective cover covers the eyepiece, which can prevent dust from falling. Subsequently, the two dustproof frames can be pulled to rotate until the two dustproof frames are close to each other, and the clamping column can be pulled to move into the clamping hole, and the two dustproof frames can be assembled. The detection components inside the machine body can be sealed to prevent dust. There is no need to clean the dust for the next use, which can reduce the workload of the detection personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the first working state of the hardness tester of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the second working state of the hardness tester of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the body of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the first dustproof frame of the utility model;

[0015] Figure 5 This is a schematic diagram of the structure of the second dustproof frame of the utility model;

[0016] Figure 6 It is a structural schematic diagram of the protective cover of the utility model.

[0017] In the figure: 1-body, 2-dustproof component, 201-first dustproof frame, 202-second dustproof frame, 203-clamping hole, 204-side plate, 205-connecting plate, 206-spring, 207-pull plate, 208-clamping column, 3-groove, 4-rotation hole, 5-rotation axis, 6-metal plate, 7-magnet plate, 8-working table, 9-eyepiece, 10-rotation rod, 11-rotation sleeve, 12-protective cover. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0019] like Figures 1 to 6As shown, a Vickers hardness tester includes a body 1, a dustproof component 2 is provided on one side of the body 1, the dustproof component 2 includes a first dustproof frame 201 rotatably connected to the body 1 and a second dustproof frame 202 rotatably connected to the body 1, a clamping hole 203 is opened on one side of the first dustproof frame 201, a side plate 204 is fixedly connected to one side of the second dustproof frame 202, a connecting plate 205 is fixedly connected to one side of the side plate 204, a spring 206 is fixedly connected to one side of the connecting plate 205, a pull plate 207 is fixedly connected to one side of the spring 206, a clamping column 208 is fixedly connected to one side of the pull plate 207, and the clamping column 208 is clamped to the first dustproof frame 201 through the clamping hole 203.

[0020] As an optional technical solution of the utility model, a groove 3 is provided on the side of the body 1, and a rotating hole 4 is provided inside the groove 3. The top and bottom of the first dustproof frame 201 and the second dustproof frame 202 are fixedly connected with a rotating shaft 5, and the rotating shaft 5 is rotatably connected to the body 1 through the rotating hole 4. A metal plate 6 is fixedly connected inside the groove 3, and a magnet plate 7 is fixedly connected to the outer side of the first dustproof frame 201 and the second dustproof frame 202. The magnet plate 7 corresponds to the metal plate 6, and the magnet plate 7 and the metal plate 6 are both embedded. When the hardness test of the workpiece is required, the pull plate 207 can be pulled to drive the clamping column 208 to move out of the clamping hole 203, and the fixed relationship between the first dustproof frame 201 and the second dustproof frame 202 can be released. Then, the two dustproof frames 201 are pulled to rotate around the rotating shaft 5 until the magnet plate 7 contacts the metal plate 6. The dustproof frame and the body 1 can be assembled by the attraction between the magnet plate 7 and the metal plate 6.

[0021] As an optional technical solution of the present invention, the first dustproof frame 201 and the second dustproof frame 202 are symmetrically distributed on both sides of the machine body 1, and a workbench 8 is fixedly connected to one side of the machine body 1, and the workbench 8 is located between the first dustproof frame 201 and the second dustproof frame 202. An eyepiece 9 is arranged on the top of the machine body 1, and a rotating rod 10 is fixedly connected to the top of the machine body 1, and a rotating sleeve 11 is rotatably connected to the outer surface of the rotating rod 10, and a protective cover 12 is fixedly connected to the outer surface of the rotating sleeve 11, and the eyepiece 9 is located inside the protective cover 12. When the detection operation is completed, the protective cover 12 can be pulled to drive the rotating sleeve 11 to rotate around the rotating rod 10 until the protective cover 12 covers the eyepiece 9, which can prevent dust from falling, and then the two dustproof frames are pulled to rotate until the two dustproof frames are close to each other, and the clamping column 208 can be pulled to move into the clamping hole 203, and the two dustproof frames can be assembled, and the detection components inside the machine body 1 can be sealed to prevent dust.

[0022] A Vickers hardness tester, the working principle is as follows:

[0023] 1): When it is necessary to perform hardness testing on the workpiece, the pull plate 207 can be pulled to drive the clamping column 208 to move out of the clamping hole 203, so as to release the fixed relationship between the first dustproof frame 201 and the second dustproof frame 202. Then, the two dustproof frames 201 are pulled to rotate around the rotating shaft 5 until the magnet plate 7 contacts the metal plate 6. The dustproof frame can be assembled with the body 1 through the attraction between the magnet plate 7 and the metal plate 6.

[0024] 2): When the detection operation is completed, the protective cover 12 can be pulled to drive the rotating sleeve 11 to rotate around the rotating rod 10 until the protective cover 12 covers the eyepiece 9, which can prevent dust from falling. Then, the two dustproof frames are pulled to rotate until the two dustproof frames are close to each other. The clamping column 208 can be pulled to move into the clamping hole 203, and the two dustproof frames can be assembled to seal the detection components inside the body 1 to prevent dust.

[0025] In summary, when the Vickers hardness tester needs to perform a hardness test on a workpiece, the pull plate 207 can be pulled to drive the clamping column 208 to move out of the clamping hole 203, so that the fixed relationship between the first dustproof frame 201 and the second dustproof frame 202 can be released, and then the two dustproof frames 201 are pulled to rotate around the rotating shaft 5 until the magnet plate 7 contacts the metal plate 6. The dustproof frame can be assembled with the body 1 through the attraction between the magnet plate 7 and the metal plate 6, so that the detection component can be exposed and the dustproof frame can be prevented from shaking during detection. When the detection operation is completed, the protective cover 12 can be pulled to drive the rotating sleeve 11 to rotate around the rotating rod 10 until the protective cover 12 covers the eyepiece 9, which can prevent dust from falling. Then, the two dustproof frames can be pulled to rotate until the two dustproof frames are close to each other. The clamping column 208 can be pulled to move into the clamping hole 203, and the two dustproof frames can be assembled. The detection components inside the body 1 can be sealed to prevent dust. There is no need to clean the dust for the next use, which can reduce the workload of the detection personnel.

Claims

1. A Vickers hardness tester, characterized in that: The invention comprises a machine body (1), a dustproof component (2) is arranged on one side of the machine body (1), the dustproof component (2) comprises a first dustproof frame (201) rotatably connected to the machine body (1) and a second dustproof frame (202) rotatably connected to the machine body (1), a clamping hole (203) is provided on one side of the first dustproof frame (201), a side plate (204) is fixedly connected to one side of the second dustproof frame (202), a connecting plate (205) is fixedly connected to one side of the side plate (204), a spring (206) is fixedly connected to one side of the connecting plate (205), a pull plate (207) is fixedly connected to one side of the spring (206), a clamping column (208) is fixedly connected to one side of the pull plate (207), and the clamping column (208) is clamped to the first dustproof frame (201) through the clamping hole (203).

2. A Vickers hardness tester according to claim 1, characterized in that: A groove (3) is provided on the side of the machine body (1), a rotating hole (4) is provided inside the groove (3), the top and bottom of the first dustproof frame (201) and the second dustproof frame (202) are fixedly connected with a rotating shaft (5), and the rotating shaft (5) is rotatably connected to the machine body (1) through the rotating hole (4).

3. A Vickers hardness tester according to claim 2, characterized in that: A metal plate (6) is fixedly connected to the interior of the groove (3); a magnet plate (7) is fixedly connected to the outer sides of the first dustproof frame (201) and the second dustproof frame (202); the magnet plate (7) corresponds to the metal plate (6); and the magnet plate (7) and the metal plate (6) are both embeddedly installed.

4. A Vickers hardness tester according to claim 3, characterized in that: The first dustproof frame (201) and the second dustproof frame (202) are symmetrically distributed on both sides of the machine body (1); one side of the machine body (1) is fixedly connected to a workbench (8); and the workbench (8) is located between the first dustproof frame (201) and the second dustproof frame (202).

5. A Vickers hardness tester according to claim 4, characterized in that: An eyepiece (9) is arranged on the top of the machine body (1), a rotating rod (10) is fixedly connected to the top of the machine body (1), a rotating sleeve (11) is rotatably connected to the outer surface of the rotating rod (10), a protective cover (12) is fixedly connected to the outer surface of the rotating sleeve (11), and the eyepiece (9) is located inside the protective cover (12).

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