Hardness measuring and detecting device

Abstract

The utility model relates to the technical field of hardness detection, in particular to a hardness measuring and detecting device which comprises a hardness meter main body, an electric telescopic rod is fixedly mounted at the bottom in the hardness meter main body, a detection table is fixedly mounted at the driving end of the electric telescopic rod, and longitudinal guide rails which are symmetrically distributed are fixedly mounted at the top of the detection table. According to the hardness measurement and detection device, through cooperative use of the hardness meter main body, the detection table, the electric telescopic rod, the longitudinal guide rail, a first movable plate, a first butterfly bolt, a transverse guide rail, a U-shaped limiting frame, a detection head, a second movable plate and a second butterfly bolt, a workpiece on the U-shaped limiting frame can move freely in the front-back and left-right directions within a specified range; the position of the workpiece can be rapidly adjusted, hardness detection of different positions of the workpiece is achieved, the position of the workpiece does not need to be adjusted again after the workpiece is detached from the position above the U-shaped limiting frame, and the working efficiency of the device is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of hardness testing technology, specifically a hardness measurement and testing device. Background Technology

[0002] Hardness is a material's resistance to localized deformation, particularly plastic deformation, indentation, or scratching; it is an indicator of a material's degree of softness or hardness. Accurate measurement of material hardness is of great importance in industrial production and scientific research.

[0003] In current related technologies, hardness testing typically involves placing the sample flat on the upper surface of a testing stage. The stage is then raised to bring the sample close to the indenter, thus measuring the sample's hardness. However, during the application of pressure by the indenter, sample displacement is highly likely, negatively impacting the final test results. To address this issue, fixtures are often used for sample positioning. However, sample testing often requires multi-point measurement, necessitating removal from the fixture, translation, and repositioning. This method is not only cumbersome but also inefficient.

[0004] Therefore, it is necessary to provide a hardness measurement and testing device to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a hardness measurement and testing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A hardness measuring and testing device, comprising:

[0008] The hardness tester body has an electric telescopic rod fixedly installed at the bottom inside the body, a test platform fixedly installed at the drive end of the electric telescopic rod, symmetrically distributed longitudinal guide rails fixedly installed at the top of the test platform, a first movable plate slidably installed on the longitudinal guide rails, and a transverse guide rail fixedly installed at the top of the first movable plate.

[0009] A second movable plate is slidably mounted on the transverse guide rail, and a U-shaped limiting frame is fixedly mounted on the top of the second movable plate. A detection head is provided at the top inside the hardness tester body.

[0010] Preferably, the U-shaped limiting frame is threaded to a lead screw through a threaded hole on one side, a clamp is rotatably installed on the side of the lead screw inside the U-shaped limiting frame, and a knob is fixedly installed on the end of the lead screw outside the U-shaped limiting frame.

[0011] Preferably, the first movable plate is threadedly connected to a first wing bolt through a threaded hole on one side, and the second movable plate is threadedly connected to a second wing bolt through a threaded hole on its front side.

[0012] Preferably, one side of the clamping plate is fixedly equipped with symmetrically distributed guide rods, and one side of the U-shaped limiting frame is provided with sliding holes corresponding to the position and number of guide rods, and the U-shaped limiting frame is slidably connected to the guide rods through the sliding holes.

[0013] Preferably, both the longitudinal guide rail and the transverse guide rail are T-shaped. The first movable plate has a groove that matches the position and number of the longitudinal guide rail, and the first movable plate is slidably connected to the longitudinal guide rail through the groove. The second movable plate has a groove that matches the transverse guide rail, and the second movable plate is slidably connected to the transverse guide rail through the groove.

[0014] Preferably, a plurality of limiting telescopic rods are fixedly installed at the bottom inside the hardness tester body, and the telescopic ends of the limiting telescopic rods are fixedly connected to the bottom of the testing platform.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model, through the coordinated use of a hardness tester body, a testing platform, an electric telescopic rod, a longitudinal guide rail, a first movable plate, a first wing bolt, a transverse guide rail, a U-shaped limiting frame, a testing head, a second movable plate, and a second wing bolt, allows the workpiece on the U-shaped limiting frame to move arbitrarily within a specified range in the forward, backward, left, and right directions. This enables rapid adjustment of the workpiece position, thereby achieving hardness testing at different positions on the workpiece without needing to disassemble the workpiece from the U-shaped limiting frame and readjust its position, effectively improving the device's working efficiency. Furthermore, after position adjustment, tightening the first wing bolt so that one end abuts against the longitudinal guide rail locks the longitudinal position of the first movable plate; tightening the second wing bolt so that one end abuts against the transverse guide rail locks the transverse position of the second movable plate, thus ensuring the stability of the U-shaped limiting frame after position adjustment and ensuring stable testing at different positions on the workpiece.

[0017] 2. This utility model utilizes the combined use of a clamping plate, a lead screw, a knob, and a guide rod. When the workpiece is placed on the U-shaped limiting frame, the operator rotates the knob, driving the lead screw to rotate. Because the lead screw is threadedly driven into the U-shaped limiting frame, and the clamping plate is slidably connected to the U-shaped limiting frame via the guide rod, the clamping plate can move stably laterally within the U-shaped limiting frame. This securely clamps the workpiece on the U-shaped limiting frame, ensuring good stability during hardness testing, effectively preventing displacement, and improving the accuracy and reliability of the test. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a bottom view of the structure of this utility model;

[0020] Figure 3 This is a partial structural schematic diagram of the present invention;

[0021] Figure 4 This is a schematic diagram of the testing platform in this utility model.

[0022] In the diagram: 1. Hardness tester body; 2. Testing table; 3. Electric telescopic rod; 4. Limiting telescopic rod; 5. Longitudinal guide rail; 6. First movable plate; 7. First wing bolt; 8. Transverse guide rail; 9. U-shaped limit frame; 10. Clamping plate; 11. Lead screw; 12. Knob; 13. Guide rod; 14. Testing head; 15. Second movable plate; 16. Second wing bolt. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-4 One embodiment provided by this utility model:

[0028] A hardness measuring and testing device, comprising:

[0029] The hardness tester body 1 has an electric telescopic rod 3 fixedly installed at the bottom inside the hardness tester body 1. The driving end of the electric telescopic rod 3 is fixedly installed with a test platform 2. The top of the test platform 2 is fixedly installed with symmetrically distributed longitudinal guide rails 5. A first movable plate 6 is slidably installed on the longitudinal guide rails 5. A transverse guide rail 8 is fixedly installed on the top of the first movable plate 6.

[0030] A second movable plate 15 is slidably mounted on the transverse guide rail 8. A U-shaped limit frame 9 is fixedly mounted on the top of the second movable plate 15. A detection head 14 is set on the top inside the hardness tester body 1.

[0031] The U-shaped limiting frame 9 has a threaded hole on one side and a screw rod 11 is threadedly connected to it. The screw rod 11 is rotatably mounted on one side inside the U-shaped limiting frame 9. A knob 12 is fixedly mounted on the other end of the screw rod 11 outside the U-shaped limiting frame 9, so as to realize flexible clamping or loosening of the workpiece. The operation is simple and the clamping force is easy to adjust.

[0032] In one embodiment, the first movable plate 6 is threadedly connected to the first wing bolt 7 through a threaded hole on one side, and the second movable plate 15 is threadedly connected to the second wing bolt 16 through a threaded hole on its front side. This allows for easy tightening or loosening of the movable plates, enabling the movable plates to be fixed in position at any time to stabilize the workpiece, and also facilitating flexible adjustment of the movable plate position as needed.

[0033] In one preferred embodiment, symmetrically distributed guide rods 13 are fixedly installed on one side of the clamping plate 10, and a sliding hole corresponding to the position and number of the guide rods 13 is opened on one side of the U-shaped limiting frame 9. The U-shaped limiting frame 9 is slidably connected to the guide rods 13 through the sliding hole, so that the clamping plate 10 moves more stably, smoothly and accurately in the direction within the U-shaped limiting frame 9, which can better clamp the workpiece and ensure the stability of the workpiece during inspection.

[0034] In one embodiment, both the longitudinal guide rail 5 and the transverse guide rail 8 are T-shaped. The first movable plate 6 has a groove that matches the position and number of the longitudinal guide rail 5, and the first movable plate 6 is slidably connected to the longitudinal guide rail 5 through the groove. The second movable plate 15 has a groove that matches the transverse guide rail 8, and the second movable plate 15 is slidably connected to the transverse guide rail 8 through the groove. This ensures that the first movable plate 6 and the second movable plate 15 slide smoothly and stably, prevents derailment, and ensures accurate adjustment of the workpiece position.

[0035] In one preferred embodiment, a plurality of limiting telescopic rods 4 are fixedly installed at the bottom inside the hardness tester body 1, and the telescopic ends of the limiting telescopic rods 4 are fixedly connected to the bottom of the test platform 2 to ensure the stability of the test platform 2 when it is raised and lowered, prevent shaking and deviation, and improve the accuracy of the test.

[0036] The working principle of this utility model is as follows: When in use, the workpiece to be tested is placed on the U-shaped limiting frame 9, the electric telescopic rod 3 is started, and its driving end drives the testing table 2 to move upward. The displacement of the testing table 2 causes the longitudinal guide rail 5 to move synchronously. The longitudinal guide rail 5 drives the transverse guide rail 8 to move along with it through the first movable plate 6. The transverse guide rail 8 drives the U-shaped limiting frame 9 to move with the help of the second movable plate 15, so that the workpiece placed on the U-shaped limiting frame 9 moves upward to contact the testing head 14, and then the workpiece hardness testing work is carried out. During the testing process, if different positions of the workpiece need to be tested, the workpiece is first moved down and reset. Then, by controlling the first movable plate 6 to slide on the longitudinal guide rail 5, the U-shaped limiting frame 9 can be moved longitudinally. By controlling the second movable plate 15 to slide on the transverse guide rail 8, the U-shaped limiting frame 9 can be moved laterally. This allows the workpiece on the U-shaped limiting frame 9 to move arbitrarily in the forward, backward, left, and right directions within a specified range, enabling rapid adjustment of the workpiece position and thus achieving hardness testing at different positions of the workpiece without having to remove the workpiece from the top of the U-shaped limiting frame 9 and readjust its position, effectively improving the working efficiency of the device. In addition, after the position adjustment is completed, the first wing bolt 7 can be tightened so that one end abuts against the longitudinal guide rail 5, thereby locking the longitudinal position of the first movable plate 6; the second wing bolt 16 can be tightened so that one end abuts against the transverse guide rail 8, thereby locking the transverse position of the second movable plate 15. This ensures the stability of the U-shaped limiting frame 9 after position adjustment, ensuring stable testing at different positions of the workpiece.

[0037] After the workpiece is placed on the U-shaped limiting frame 9, the operator can rotate the knob 12, which will drive the lead screw 11 to rotate synchronously. Because there is a threaded transmission relationship between the lead screw 11 and the U-shaped limiting frame 9, and the clamping plate 10 is slidably connected to the U-shaped limiting frame 9 via the guide rod 13, the clamping plate 10 can achieve stable lateral movement within the U-shaped limiting frame 9. As the clamping plate 10 moves, the workpiece is securely clamped on the U-shaped limiting frame 9, thus ensuring good stability of the workpiece during hardness testing and preventing displacement.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hardness measuring and testing device, characterized in that, It includes: The hardness tester body (1) has an electric telescopic rod (3) fixedly installed at the bottom inside the hardness tester body (1), a test platform (2) fixedly installed at the drive end of the electric telescopic rod (3), a symmetrically distributed longitudinal guide rail (5) fixedly installed at the top of the test platform (2), a first movable plate (6) slidably installed on the longitudinal guide rail (5), and a transverse guide rail (8) fixedly installed at the top of the first movable plate (6). A second movable plate (15) is slidably installed on the transverse guide rail (8), and a U-shaped limiting frame (9) is fixedly installed on the top of the second movable plate (15). A detection head (14) is provided on the top inside the hardness tester body (1).

2. The hardness measuring and testing device according to claim 1, characterized in that: The U-shaped limiting frame (9) has a threaded hole on one side and a screw rod (11) is threadedly connected to it. The screw rod (11) is rotatably mounted on one side inside the U-shaped limiting frame (9), and a knob (12) is fixedly mounted on the other end of the screw rod (11) outside the U-shaped limiting frame (9).

3. The hardness measuring and testing device according to claim 1, characterized in that: The first movable plate (6) is threaded with a first wing bolt (7) through a threaded hole on one side, and the second movable plate (15) is threaded with a second wing bolt (16) through a threaded hole on its front side.

4. The hardness measuring and testing device according to claim 2, characterized in that: The clamp (10) is fixedly installed with symmetrically distributed guide rods (13) on one side. The U-shaped limiting frame (9) has sliding holes on one side that correspond to the position and number of the guide rods (13). The U-shaped limiting frame (9) is slidably connected to the guide rods (13) through the sliding holes.

5. The hardness measuring and testing device according to claim 1, characterized in that: The longitudinal guide rail (5) and the transverse guide rail (8) are both T-shaped. The first movable plate (6) has a groove that matches the position and number of the longitudinal guide rail (5), and the first movable plate (6) is slidably connected to the longitudinal guide rail (5) through the groove. The second movable plate (15) has a groove that matches the transverse guide rail (8), and the second movable plate (15) is slidably connected to the transverse guide rail (8) through the groove.

6. The hardness measuring and testing device according to claim 1, characterized in that: Several limiting telescopic rods (4) are fixedly installed at the bottom inside the hardness tester body (1), and the telescopic ends of the limiting telescopic rods (4) are fixedly connected to the bottom of the test table (2).

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