Metal surface hardness detection device

Abstract

The utility model discloses a metal surface hardness detection device, which belongs to the technical field of metal hardness detection, and comprises a platform, a connecting shell is fixedly connected above the platform, an electric push rod is fixedly connected in the connecting shell, and the bottom end of the electric push rod is fixedly connected with a hardness detection block; according to the device, the electric push rod, the hardness detection block, the toothed plate, the gear, the threaded rods, the threaded sleeves and the positioning blocks are arranged, so that the two threaded sleeves in threaded fit with the two threaded rods can respectively drive the sliding blocks to get close to each other, and meanwhile, the two sliding blocks can respectively drive the positioning blocks to get close to each other to position a metal workpiece on the placing block; at the moment, the hardness detection block which moves downwards to a proper position can detect the hardness of the positioned metal workpiece, so that the device can integrate the hardness detection of the metal workpiece and the positioning of the metal workpiece, the metal workpiece is prevented from deviating in the detection process, and the inaccurate detection is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal hardness detection, and particularly relates to a metal surface hardness detection device. Background Art

[0002] After long-term use, metal workpieces will suffer from fatigue aging or surface defects due to harsh environments, resulting in a significant reduction in the performance and durability of metal workpieces. To ensure the performance and durability of metal workpieces, it is necessary to use a hardness detection device to detect the hardness of the surface of metal workpieces. However, the existing metal surface hardness detection devices are difficult to integrate the hardness detection of metal workpieces and the positioning of metal workpieces, resulting in easy deviation of metal workpieces during the detection process, thus causing inaccurate detection. Therefore, a metal surface hardness detection device is needed to solve the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a metal surface hardness detection device to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A metal surface hardness detection device includes a platform, a connection housing is fixedly connected above the platform, an electric push rod is fixedly connected inside the connection housing, a hardness detection block is fixedly connected to the bottom end of the electric push rod, two toothed plates are fixedly connected to the outside of the electric push rod, and connecting plates are fixedly connected to both sides above the platform.

[0005] Bearings are clamped inside the connecting plates, threaded rods are rotatably connected inside both bearings, gears are fixedly connected to one ends of both threaded rods, the two gears are meshed with the two toothed plates, threaded sleeves are threadedly connected to the outside of both threaded rods, sliders are fixedly connected to the outside of both threaded sleeves, and positioning blocks are fixedly connected to one sides of both sliders.

[0006] As a preferred implementation manner, a chute is opened above the platform, and both sliders are located inside the chute.

[0007] As a preferred implementation manner, two through holes are opened inside the platform, and the two toothed plates are respectively located inside the two through holes.

[0008] As a preferred implementation manner, a fixing block is fixedly connected to the bottom of the chute, and a placing block is fixedly connected above the fixing block.

[0009] As a preferred implementation manner, support legs are fixedly connected to the four corners of the bottom of the platform, and an anti-slip layer is provided at the bottom of the support legs.

[0010] As a preferred embodiment, a friction layer is provided above the placement block, and a buffer layer is provided on one side of the positioning block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, by providing an electric push rod, a hardness detection block, a toothed plate, a gear, a threaded rod, a threaded sleeve and a positioning block, when the electric push rod drives the hardness detection block to move downward, the two toothed plates can be driven to move downward synchronously, so that the two gears meshing with the two toothed plates can respectively drive the threaded rod to rotate, prompting the two threaded sleeves threadedly engaged with the two threaded rods to respectively drive the sliders to approach each other. At the same time, the two sliders can respectively drive the positioning blocks to approach each other to position the metal workpiece on the placement block. At this time, the hardness detection block that has moved downward to a suitable position can detect the hardness of the positioned metal workpiece. Furthermore, this device can integrate the hardness detection of the metal workpiece and the positioning of the metal workpiece, preventing the metal workpiece from shifting during the detection process, thereby avoiding inaccurate detection.

[0013] In the present utility model, by providing a chute, the chute enables the slider to have a space for movement. Thus, when the slider is located in the chute and is threadedly engaged with the threaded sleeve and the threaded rod, it can move smoothly, preventing the situation where the slider rotates synchronously when the threaded sleeve drives the slider under the rotational cooperation of the threaded rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a three-dimensional structural schematic diagram of the electric push rod of the present utility model;

[0016] Figure 3 is a three-dimensional structural schematic diagram of the threaded rod of the present utility model;

[0017] Figure 4 is a three-dimensional structural schematic diagram of the platform of the present utility model.

[0018] In the figure: 1, platform; 2, connection housing; 3, electric push rod; 4, hardness detection block; 5, toothed plate; 6, connecting plate; 7, bearing; 8, threaded rod; 9, gear; 10, threaded sleeve; 11, slider; 12, positioning block; 13, chute; 14, through hole; 15, fixed block; 16, placement block; 17, support leg. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the present utility model in conjunction with embodiments.

[0020] The following embodiments are used to illustrate the present utility model, but cannot be used to limit the protection scope of the present utility model. The conditions in the embodiments can be further adjusted according to specific conditions. Under the premise of the concept of the present utility model, simple improvements to the method of the present utility model all fall within the scope of protection required by the present utility model.

[0021] Please refer to Figures 1-4 , the present utility model provides a metal surface hardness detection device, including a platform 1. A chute 13 is opened above the platform 1. Two sliders 11 are both located in the chute 13. When the slider 11 is located in the chute 13, the threaded sleeve 10 can drive the slider 11 to move smoothly under the rotation cooperation of the threaded rod 8, preventing the situation that the slider 11 rotates synchronously due to the thread cooperation of the threaded sleeve 10 and the threaded rod 8;

[0022] A fixed block 15 is fixedly connected to the bottom of the chute 13. A placement block 16 is fixedly connected above the fixed block 15. A friction layer is provided above the placement block 16, and a buffer layer is provided on one side of the positioning block 12. The placement block 16 enables the metal workpiece to have a placement point, facilitating the two positioning blocks 12 to position it;

[0023] Two through holes 14 are opened in the platform 1. Two toothed plates 5 are respectively located in the two through holes 14. The through holes 14 enable the toothed plates 5 to have a space for movement, preventing the toothed plates 5 from being blocked by the platform 1 and unable to move normally, so as to ensure that the gears 9 meshing with the toothed plates 5 can rotate smoothly;

[0024] Support legs 17 are fixedly connected to the four corners of the bottom of the platform 1. An anti-slip layer is provided at the bottom of the support legs 17. The support legs 17 use the anti-slip layer to make the platform 1 have a certain stability when contacting the ground, preventing the platform 1 from shaking greatly when the device is running;

[0025] A connection housing 2 is fixedly connected above the platform 1. An electric push rod 3 is fixedly connected inside the connection housing 2. The bottom end of the electric push rod 3 is fixedly connected with a hardness detection block 4. The electric push rod 3 can drive the hardness detection block 4 to move downward smoothly, so that when the hardness detection block 4 descends to a suitable position, it can detect the hardness of the metal workpiece on the placement block 16;

[0026] Two toothed plates 5 are fixedly connected to the outside of the electric push rod 3. Connecting plates 6 are fixedly connected to both sides above the platform 1. Bearings 7 are clamped inside the connecting plates 6. Two threaded rods 8 are rotatably connected inside the two bearings 7. One ends of the two threaded rods 8 are both fixedly connected with gears 9. The two gears 9 are meshed with the two toothed plates 5. When the toothed plates 5 move downward synchronously with the electric push rod 3, the gears 9 meshing with the toothed plates 5 can drive the threaded rods 8 to rotate smoothly;

[0027] Both of the two threaded rods 8 are externally threadedly connected with threaded sleeves 10. Fixedly connected to the outside of both of the two threaded sleeves 10 are sliders 11. Fixedly connected to one side of both of the two sliders 11 are positioning blocks 12. When the two threaded rods 8 are respectively driven by the gears 9 to rotate, the two threaded sleeves 10 threadedly engaged with the two threaded rods 8 can respectively drive the sliders 11 to smoothly move closer to each other, causing the two sliders 11 to respectively drive the positioning blocks 12 to move closer to each other to position the metal workpiece and prevent it from shifting during detection and affecting the detection accuracy.

[0028] The working principle and usage process of the present utility model:

[0029] When it is necessary to perform hardness detection on a metal workpiece, first place the metal workpiece on the placing block 16. Then, use the electric push rod 3 to drive the hardness detection block 4 to move downward. At the same time, the electric push rod 3 can drive the two toothed plates 5 to move downward synchronously. When the two toothed plates 5 move downward, the two gears 9 meshed with the two toothed plates 5 can respectively drive the threaded rods 8 to rotate;

[0030] When the two threaded rods 8 rotate, the two threaded sleeves 10 threadedly engaged with the two threaded rods 8 can respectively drive the sliders 11 to move closer to each other, causing the two sliders 11 to respectively drive the positioning blocks 12 to move closer to each other to position the metal workpiece on the placing block 16, and the hardness detection block 4 lowered to an appropriate position can also perform hardness detection on the positioned metal workpiece.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A metal surface hardness detection device, comprising a platform (1), characterized in that: Above the platform (1), a connection housing (2) is fixedly connected. Inside the connection housing (2), an electric push rod (3) is fixedly connected. At the bottom end of the electric push rod (3), a hardness detection block (4) is fixedly connected. Outside the electric push rod (3), two toothed plates (5) are fixedly connected. On both sides above the platform (1), connection plates (6) are fixedly connected. Inside the connection plates (6), bearings (7) are snap-connected. Inside both of the bearings (7), threaded rods (8) are rotatably connected. At one end of each of the two threaded rods (8), a gear (9) is fixedly connected. The two gears (9) are engaged with the two toothed plates (5). Outside both of the threaded rods (8), threaded sleeves (10) are threadedly connected. Outside both of the threaded sleeves (10), sliders (11) are fixedly connected. On one side of each of the two sliders (11), a positioning block (12) is fixedly connected.

2. The metal surface hardness detection device according to claim 1, characterized in that: Above the platform (1), a chute (13) is opened. Both of the sliders (11) are located inside the chute (13).

3. A metal surface hardness detection device according to claim 1, characterized in that: Inside the platform (1), two through holes (14) are opened. The two toothed plates (5) are respectively located inside the two through holes (14).

4. A metal surface hardness detection device according to claim 2, characterized in that: At the bottom of the chute (13), a fixing block (15) is fixedly connected. Above the fixing block (15), a placing block (16) is fixedly connected.

5. The metal surface hardness detection device according to claim 1, wherein: At the four corners of the bottom of the platform (1), support legs (17) are fixedly connected. At the bottom of the support legs (17), an anti-slip layer is provided.

6. The metal surface hardness detection device according to claim 4, characterized in that: Above the placing block (16), a friction layer is provided. On one side of the positioning block (12), a buffer layer is provided.

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