A hardness testing mechanism for welded axle pins

Abstract

The present invention discloses a hardness detection mechanism for a welded axle pin, which belongs to the technical field related to the hardness detection of axle pins, and comprises a detection machine body, a clamping assembly is installed on the detection machine body, and the clamping assembly comprises a storage box installed on the detection machine body, a guide rod is arranged inside the storage box, a movable plate is sleeved on the outer side of the guide rod, the movable plate is connected to the rotating shaft through a connecting line, the rotating shaft runs through the inside of the gear, the side end of the gear is meshingly connected with a gear rod, and an arc block is arranged above the support plate. In the hardness detection mechanism for the welded axle pin, the movable plate clamps the welded axle pin through the arc block, and the symmetrically arranged arc blocks are operated by the same drive, which reduces the problem of increased overall production and maintenance costs due to different drives, and the stable clamping prevents the displacement of the axle pin during the detection process, which reduces the problem of affecting the detection data due to the setting of the clamping plate limit.

Description

Technical Field

[0001] The invention relates to the technical field related to shaft pin hardness detection, and in particular to a hardness detection mechanism for a welded shaft pin. Background Art

[0002] Axle pins are generally used in mechanical equipment as important connecting or supporting components. In order to ensure that they meet the design requirements, they need to be tested for hardness. However, the existing hardness testing mechanism still has certain defects when used;

[0003] During use, the existing hardness testing mechanism places the workpiece on the testing workbench. However, during the hardness test, the pressure applied to the workpiece may cause the workpiece to move, resulting in measurement errors and affecting the accuracy of the test.

[0004] In order to overcome the above defects, prior art 1 (Chinese patent with application number 202320682932.3 and application date 2023-03-31) is a concrete hardness testing device, comprising a concrete hardness testing workbench, a conveying mechanism is provided on the concrete hardness testing workbench, a plurality of concrete samples are placed on the conveying mechanism, a U-shaped plate is fixedly connected to the top of the concrete hardness testing workbench, a hydraulic rod is fixedly connected to the inner top of the U-shaped plate, a concrete hardness testing block is fixedly connected to the bottom of the hydraulic rod, two L-shaped rods are fixedly connected to the output end of the hydraulic rod, and a clamping mechanism is provided on both of the L-shaped rods. By setting a conveyor belt, the concrete sample can be transported, thereby avoiding manual loading and unloading operations, and the efficiency of its hardness testing is high; the concrete sample can be limited by the clamping mechanism to ensure its stability during testing;

[0005] There is also prior art 2 (Chinese patent with application number 202322570727.0 and application date 2023-09-21), a hardness detection mechanism, including a workbench, a detection mechanism is arranged on the top of the workbench, a cooling assembly is arranged on the outside of the workbench, the detection mechanism includes a variable speed motor fixedly connected to the workbench, a placement plate is fixedly connected to the output end of the variable speed motor, a thermal conductive silicone sheet body is placed on the top of the placement plate, and two fixed blocks are fixedly connected to the top of the placement plate. The hardness detection mechanism, by setting up the detection mechanism, adds a temperature adjustment function to the hardness detection mechanism, which is convenient for users to perform hardness detection on the thermal conductive silicone sheet at various temperatures, increases the accuracy of the hardness detection results of the thermal conductive silicone sheet, and solves the problem of not having the function of performing hardness detection on the thermal conductive silicone sheet at different temperatures, which is inconvenient for users to perform hardness detection on the thermal conductive silicone sheet at various temperatures;

[0006] And prior art three (Chinese patent with application number 202122587807.8 and application date 2021-10-26) tempered glass hardness testing equipment, including a box, a base, a bracket and a hardness testing device; the hardness testing device is installed on the box, the box is installed on the bracket, and the bracket is installed on the base; the hardness testing device includes: a fixing component, a test component and a protective component; the fixing component is installed on the box, the test component is installed on the box, and the protective component is installed on the bracket. The fixing component includes: a pair of electric telescopic rods, a workbench, and a pair of plywood; a pair of electric telescopic rods are installed on the bracket, the workbench is installed in the box, and a pair of plywood is installed on a pair of electric telescopic rods. The overall structure is simple, easy to install and maintain, and the staff is protected. The controller realizes automatic hardness detection of tempered glass, and the test result has a small error, which is convenient for observation and recording.

[0007] Although the existing technology can reduce the displacement of the workpiece, during the working process, the symmetrically arranged clamps clamp the workpiece, and the whole is operated and used through different driving structures, which not only increases the overall complexity, increases the overall failure rate, and increases the production and maintenance costs, but also the arranged clamps are not convenient for clamping and fixing with arc-shaped shaft pins, which easily leads to unstable clamping, thereby affecting the accuracy of the hardness test.

[0008] In view of the above problems, it is urgently necessary to carry out innovative design based on the hardness detection mechanism of the original welded axle pin. Therefore, we proposed a hardness detection mechanism of the welded axle pin which can well solve the above problems. Summary of the invention

[0009] The purpose of the present invention is to provide a hardness detection mechanism for a welded axle pin, so as to solve the problem proposed in the above background technology that the workpiece is clamped by symmetrically arranged clamps on the market, and the whole is operated and used through different driving structures, which not only increases the overall complexity, causes the overall failure rate to rise, and increases the production and maintenance costs, but also the arranged clamps are inconvenient for clamping and fixing the arc-shaped axle pin, which easily leads to unstable clamping, thereby affecting the accuracy of the hardness test.

[0010] To achieve the above-mentioned object, the present invention provides the following technical solutions: A hardness detection mechanism for a welded shaft pin, comprising a detection machine body, wherein a support plate is connected to the detection machine body via an adjustment ring;

[0011] A clamping assembly is installed on the detection machine body, and the clamping assembly includes a storage box installed on the detection machine body, a guide rod is arranged inside the storage box, a movable plate is sleeved on the outer side of the guide rod, and the movable plate is connected to the rotating shaft through a connecting line, and the rotating shaft runs through the inside of the gear, and the side end of the gear is meshingly connected with a gear rod, and the gear rod is symmetrically arranged on both sides of the support plate, and an arc block is arranged above the support plate. The arc block of the clamping assembly clamps the welded axle pin, and the symmetrically arranged arc blocks are operated by the same drive, which reduces the problem of increased overall production and maintenance costs due to different drives, and ensures the accuracy and reliability of the detection results.

[0012] Preferably, a spring is sleeved on the outer side of the guide rod, and the spring is connected to the other side of the movable plate.

[0013] Preferably, an airbag is provided inside the storage box, and the airbag is connected to a cleaning piece through a hose. The cleaning piece is installed on the top of the arc block. The movable plate squeezes the airbag inside the storage box so that the gas inside the airbag is transported to the inside of the cleaning piece, thereby cleaning the axle pin detection position. The automatic cleaning function reduces the impact of environmental problems on detection data and reduces the overall operating cost.

[0014] Preferably, a storage box is provided at the side end of the detection machine body, a dual-axis motor is installed inside the storage box, a protective component is connected to the first output end of the dual-axis motor, and the protective component includes a threaded rod installed at the first output end of the dual-axis motor.

[0015] Preferably, a lifting block is threadedly connected to the outer side of the threaded rod, a lifting plate is installed on the side end of the lifting block, the lifting plate is movably connected to the inside of the limit frame, the limit frame is installed on the storage box, and a protective cover is provided on the side end of the lifting plate. The first output end of the dual-axis motor drives the protective cover of the protective component to rise and fall, thereby protecting the overall detection environment, preventing external factors from causing adverse effects on the detection process, ensuring the smooth progress of the detection work, and improving the detection quality and work efficiency.

[0016] Preferably, a gas delivery assembly is installed on the storage box, and the gas delivery assembly includes a gas delivery piece installed at a side end of the storage box, an output end of the gas delivery piece is connected to a special-shaped capsule, and the special-shaped capsule is installed inside the storage box.

[0017] Preferably, the special-shaped capsule is connected to the inner cavity of the forward and reverse screws through a one-way valve, the forward and reverse screws are connected to a first pipe and a second pipe through a sleeve, a first nozzle is installed at the end of the first pipe, and the first nozzle is located on the top of the display screen of the detection machine body.

[0018] Preferably, a second nozzle is installed at the end of the second pipe, and the second nozzle is located at the side end of the support plate. The outer sides of the forward and reverse screws are threadedly connected with an extrusion plate. The gas of the gas supply assembly cleans the display screen of the detection machine body, which is convenient for the operator to accurately read the detection data. Part of the gas cleans the detection position, effectively preventing impurities in the detection area from interfering with the detection results. There is no need to set up an additional independent cleaning device as a whole, saving equipment cost and space.

[0019] Preferably, the forward and reverse screws are installed on the second output end of the double-axis motor, and the extrusion plate is movably connected inside the forward and reverse screws. When the double-axis motor is in use, the second output end of the double-axis motor drives the forward and reverse screws to rotate, so that the extrusion plate outside the forward and reverse screws is raised and lowered, which facilitates the extrusion plate to extrude the special-shaped capsules, so that the gas is indirectly pressurized and transported, thereby improving the adaptability and flexibility of cleaning.

[0020] Compared with the prior art, the invention has the following beneficial effects: the hardness detection mechanism of the welded axle pin, the movable plate clamps the welded axle pin through the arc block, the symmetrically arranged arc blocks are operated by the same drive, the problem of increased overall production and maintenance costs caused by different drives is reduced, and the stable clamping prevents the displacement of the axle pin during the detection process, and reduces the problem of the detection data being affected by setting the clamping plate limit. The specific contents are as follows:

[0021] The arc block of the clamping assembly clamps the welded shaft pin. The symmetrically arranged arc blocks are operated by the same drive, which reduces the problem of increased overall production and maintenance costs caused by different drives and ensures the accuracy and reliability of the test results.

[0022] The moving plate squeezes the airbag inside the storage box, so that the gas inside the airbag is transported to the inside of the cleaning part, so that the shaft pin detection position is cleaned. The automatic cleaning function reduces the impact of environmental problems on the detection data and reduces the overall operating cost;

[0023] The first output end of the dual-axis motor drives the protective cover of the protective component to rise and fall, thereby protecting the overall detection environment, preventing external factors from causing adverse effects on the detection process, ensuring the smooth progress of the detection work, and improving the detection quality and work efficiency;

[0024] The gas from the gas transmission component cleans the display screen of the detector, making it easier for operators to read the test data accurately. Part of the gas cleans the test position, effectively preventing impurities in the test area from interfering with the test results. There is no need to set up an additional independent cleaning device, saving equipment cost and space.

[0025] When the dual-axis motor is in use, the second output end of the dual-axis motor drives the forward and reverse screws to rotate, so that the extrusion plates outside the forward and reverse screws are raised and lowered, which facilitates the extrusion plates to extrude the special-shaped capsules, allowing the gas to be indirectly pressurized and transported, thereby improving the adaptability and flexibility of cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the overall top view structure of the present invention;

[0028] Figure 3 It is a schematic diagram of the overall right side structure of the present invention;

[0029] Figure 4 This is a schematic diagram of the connection structure between the gear rod and the gear of the present invention;

[0030] Figure 5 This is a schematic diagram of the structure of the adjustment ring and the support plate of the present invention;

[0031] Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0032] Figure 7 This is a schematic diagram of the back structure of the storage box of the present invention;

[0033] Figure 8 It is a schematic diagram of the structure of the lifting plate and the limiting frame of the present invention;

[0034] Fig. 9 This is a schematic diagram of the internal structure of the storage box of the present invention;

[0035] Fig.10 It is a schematic diagram of the connection structure between the forward and reverse screws and the extrusion plate of the present invention.

[0036] In the figure: 1. detection machine body; 2. adjustment ring; 3. support plate; 4. storage box; 5. gear rod; 6. gear; 7. rotating shaft; 8. connecting line; 9. moving plate; 10. guide rod; 11. spring; 12. arc block; 13. air bag; 14. cleaning part; 15. storage box; 16. dual-axis motor; 17. threaded rod; 18. lifting block; 19. lifting plate; 20. limit frame; 21. protective cover; 22. gas transmission part; 23. special-shaped bag; 24. one-way valve; 25. forward and reverse screw; 26. first pipeline; 27. first nozzle; 28. second pipeline; 29. ​​second nozzle; 30. extrusion plate. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Embodiment 1: In this embodiment, in order to improve the overall detection rigor, the clamping assembly is used to reduce the problem of the detection data being affected by the clamping plate limit setting, such as Figure 1-Figure 6 The technical solution shown includes a detection machine body 1, a support plate 3 is connected to the detection machine body 1 through an adjusting ring 2, a clamping assembly is installed on the detection machine body 1, and the clamping assembly includes a storage box 4 installed on the detection machine body 1, a guide rod 10 is arranged inside the storage box 4, a movable plate 9 is sleeved on the outer side of the guide rod 10, the movable plate 9 is connected to the rotating shaft 7 through a connecting line 8, the rotating shaft 7 runs through the inside of the gear 6, and the side end of the gear 6 is meshingly connected with a gear rod 5, the gear rod 5 is symmetrically arranged on both sides of the support plate 3, an arc block 12 is arranged above the support plate 3, a spring 11 is sleeved on the outer side of the guide rod 10, and the spring 11 is connected to the other side of the movable plate 9, a welded shaft pin for the required hardness test is placed on the support plate 3, and the shaft pin is moved upward by the adjusting ring 2, so that the detection machine body 1 can perform hardness test, thereby improving the efficiency of the test preparation work, when the support plate 3 moves, the gear rod 5 at the bottom of the support plate 3 drives the gear 6 to rotate, so that the gear 6 The driving shaft 7 to rotate at the side end of the storage box 4 makes it convenient for the connecting line 8 on the outside of the shaft 7 to drive the moving plate 9 to move, reducing the error problem caused by manual operation and improving the stability of the clamping action. The set moving plate 9 is stably moved in the storage box 4 through the guide rod 10, so that the moving plate 9 is convenient to clamp the welded axle pin through the arc block 12. The symmetrically set arc blocks 12 are operated by the same drive, reducing the problem of increased overall production and maintenance costs caused by different drives, and stable clamping prevents the axle pin from being displaced during the detection process, reducing the problem of detection data being affected by setting the clamping plate limit, thereby ensuring the accuracy and reliability of the detection results and improving the practicality and credibility of the entire detection device. The spring 11 sleeved on the outside of the guide rod 10 facilitates the moving plate 9 and the arc block 12 to restore the initial position, which is convenient for re-clamping and fixing in the later stage. The overall clamping structure is simple to operate and improves the overall operating efficiency.

[0039] Embodiment 2: In this embodiment, in order to improve the overall detection quality, the protective components are used to reduce the adverse effects of external factors on the detection process. Figure 1-Figure 8As shown, an airbag 13 is arranged inside the storage box 4, and the airbag 13 is connected to a cleaning member 14 through a hose, and the cleaning member 14 is installed on the top of the arc block 12. A storage box 15 is arranged on the side end of the detection machine body 1, and a double-axis motor 16 is installed inside the storage box 15. A protective component is connected to the first output end of the double-axis motor 16, and the protective component includes a threaded rod 17 installed on the first output end of the double-axis motor 16, and a lifting block 18 is threadedly connected to the outer side of the threaded rod 17. A lifting plate 19 is installed on the side end of the lifting block 18, and the lifting plate 19 is movably connected to the inside of the limit frame 20, and the limit frame 20 is installed on the storage box 15. A protective cover 21 is arranged on the side end of the lifting plate 19. When the movable plate 9 is stably moved in the storage box 4 through the guide rod 10, the movable plate 9 is convenient for squeezing the airbag 13 inside the storage box 4, so that the inside of the airbag 13 The gas in the part is transported to the inside of the cleaning member 14, so that the cleaning member 14 sprays the gas, thereby cleaning the axle pin detection position. The automatic cleaning function reduces the impact of environmental problems on the detection data, and there is no need to set up additional power for driving the whole, thereby reducing the overall cost. The dual-axis motor 16 inside the storage box 15 is opened, and the first output end of the dual-axis motor 16 drives the threaded rod 17 to rotate, so that the lifting block 18 outside the threaded rod 17 drives the lifting plate 19 to lift inside the limit frame 20, so that the lifting plate 19 can drive the protective cover 21 to lift, thereby protecting the overall detection environment, not only preventing external factors from causing adverse effects on the detection process, ensuring the smooth progress of the detection work, but also reducing the splashing of parts during the detection process, and improving the detection quality and work efficiency.

[0040] Embodiment 3: In this embodiment, in order to save equipment cost and space, the gas delivery assembly is used to reduce the problem of increased costs caused by the additional independent cleaning device. Figure 1-Figure 3 and Figure 7-Figure 10As shown, a gas delivery assembly is installed on the storage box 15, and the gas delivery assembly includes a gas delivery piece 22 installed at the side end of the storage box 15, and the output end of the gas delivery piece 22 is connected to a special-shaped capsule 23, and the special-shaped capsule 23 is installed inside the storage box 15. The special-shaped capsule 23 is connected to the inner cavity of the forward and reverse screws 25 through a one-way valve 24, and the forward and reverse screws 25 are connected to a first pipe 26 and a second pipe 28 through a sleeve. A first nozzle 27 is installed at the end of the first pipe 26, and the first nozzle 27 is located at the top of the display screen of the detection machine body 1. A second nozzle 29 is installed at the end of the second pipe 28, and the second nozzle 29 is located at the side end of the support plate 3. The outer side of the forward and reverse screws 25 is threadedly connected with an extrusion plate 30, and the forward and reverse screws 25 are installed at the second output end of the dual-axis motor 16. The extrusion plate 30 is movably connected to the inside of the forward and reverse screws 25, and gas is delivered to the inside of the special-shaped capsule 23 through the gas delivery piece 22. When the gas pressure is greater than the setting range of the one-way valve 24, the gas passes through the inner cavity of the forward and reverse screws 25. The gas is transmitted, and the transported gas is blown out through the cooperation of the first pipe 26 and the first nozzle 27, so that the display screen of the detection machine body 1 is cleaned. The cleaning gas can effectively remove dust on the surface of the display screen, ensure the clarity of the display screen, and facilitate the operator to accurately read the detection data, improve the accuracy of the detection work, and extend the service life of the display screen. Part of the gas passes through the second pipe 28 and the nozzle of the second nozzle 29 to clean the detection position, effectively preventing impurities in the detection area from interfering with the detection results. There is no need to set up an independent cleaning device as a whole, saving equipment cost and space. When the dual-axis motor 16 is used, the second output end of the dual-axis motor 16 drives the forward and reverse screws 25 to rotate, so that the extrusion plate 30 outside the forward and reverse screws 25 is raised and lowered, which is convenient for the extrusion plate 30 to extrude the special-shaped capsule 23, so that the gas is indirectly pressurized and transported, which improves the adaptability and flexibility of cleaning, thereby improving the overall performance and work efficiency of the equipment.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hardness testing mechanism for a welded shaft pin, comprising a testing machine body (1), wherein a support plate (3) is connected to the testing machine body (1) via an adjusting ring (2); It is characterized in that A clamping assembly is installed on the detection machine body (1), and the clamping assembly includes a storage box (4) installed on the detection machine body (1), a guide rod (10) is arranged inside the storage box (4), a movable plate (9) is sleeved on the outer side of the guide rod (10), the movable plate (9) is connected to the rotating shaft (7) through a connecting line (8), the rotating shaft (7) runs through the inside of the gear (6), and the side end of the gear (6) is meshed with a gear rod (5), the gear rod (5) is symmetrically arranged on both sides of the support plate (3), and an arc block (12) is installed on the support plate (3); The outer side of the guide rod (10) is sleeved with a spring (11), and the spring (11) is connected to the other side of the moving plate (9); An airbag (13) is arranged inside the storage box (4), and the airbag (13) is connected to a cleaning member (14) through a hose, and the cleaning member (14) is installed on the top of the arc block (12); a storage box (15) is arranged at the side end of the detection machine body (1), and a double-axis motor (16) is installed inside the storage box (15), and a first output end of the double-axis motor (16) is connected to a protective component, and the protective component includes a threaded rod (17) installed at the first output end of the double-axis motor (16); The outer side of the threaded rod (17) is threadedly connected with a lifting block (18), a lifting plate (19) is installed on the side end of the lifting block (18), the lifting plate (19) is movably connected to the inside of a limiting frame (20), the limiting frame (20) is installed on the storage box (15), and a protective cover (21) is arranged on the side end of the lifting plate (19); The storage box (15) is provided with a gas delivery assembly, the gas delivery assembly comprising a gas delivery member (22) installed at a side end of the storage box (15), the output end of the gas delivery member (22) being connected to a special-shaped capsule (23), and the special-shaped capsule (23) being installed inside the storage box (15); The special-shaped capsule (23) is communicated with the inner cavity of the forward and reverse screws (25) via a one-way valve (24); the forward and reverse screws (25) are connected to a first pipe (26) and a second pipe (28) via a sleeve; a first nozzle (27) is installed at the end of the first pipe (26); and the first nozzle (27) is located at the top of the display screen of the detection machine body (1); A second nozzle (29) is installed at the end of the second pipe (28), and the second nozzle (29) is located at the side end of the support plate (3). The outer side of the forward and reverse screws (25) is threadedly connected to an extrusion plate (30).

2. A hardness detection mechanism for a welded axle pin according to claim 1, characterized in that: The forward and reverse screws (25) are mounted on the second output end of the dual-shaft motor (16), and the extrusion plate (30) is movably connected inside the forward and reverse screws (25).

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