A testing device for the performance of a rubber gasket

Abstract

The application discloses a kind of rubber gasket performance test device, belong to test device field, including workbench, the top surface both sides of workbench symmetry fixedly connected with support frame, two support frames are movably connected with lifting plate, and the inside of workbench below lifting plate is equipped with drive assembly for driving lifting plate to move up and down;The top of two support frames is fixedly connected with top plate, and the bottom end surface of top plate and the top surface of lifting plate symmetry fixedly connected with clamping assembly, the outside of two support frames is fixedly connected with feeding and discharging assembly, clamping assembly specifically includes: fixed on the connecting shaft of top plate bottom end surface and the top surface of lifting plate, one end of connecting shaft is fixedly connected with shell, and the side surface of shell is provided with expansion slot, two symmetrical clamping blocks are movably connected in expansion slot inside.The application is convenient to complete the feeding and discharging of rubber gasket, and can quickly and accurately complete the clamping of rubber gasket.

Description

Technical Field

[0001] The present invention relates to the field of testing devices, in particular to a testing device for the service performance of rubber gaskets. Background Art

[0002] A rubber gasket is a sheet-shaped rubber product that acts as a seal between two stationary surfaces of a metal flange or other connecting parts. Rubber gaskets have properties such as oil resistance, acid and alkali resistance, cold and heat resistance, and aging resistance, which enable them to maintain a stable sealing effect under various harsh environments. In addition, rubber gaskets also need to have certain tensile resistance.

[0003] Existing tensile resistance tests for rubber gaskets are mostly carried out manually or by simple equipment, and a gasket is considered qualified if it does not undergo excessive deformation after testing. However, this testing method increases the labor intensity of workers and is not accurate enough. For this reason, special tensile testing equipment for rubber gaskets has been developed, but this equipment currently has certain defects: loading and unloading of rubber gaskets is not convenient enough, and clamping and fixing of rubber gaskets cannot be completed quickly and accurately.

[0004] Therefore, persons skilled in the art provide a testing device for the service performance of rubber gaskets to solve the problem raised in the above background art. Summary of the Invention

[0005] The purpose of the present invention is to provide a testing device for the service performance of rubber gaskets, which facilitates loading and unloading of rubber gaskets and can quickly and accurately complete clamping and fixing of rubber gaskets, so as to solve the problem raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A testing device for the service performance of rubber gaskets, comprising a worktable, support frames are symmetrically and fixedly connected to two sides of the top end face of the worktable, a lifting plate is movably connected between the two support frames, and a driving component is arranged inside the worktable below the lifting plate for driving the lifting plate to move up and down; a top plate is jointly and fixedly connected to the top ends of the two support frames, clamping components are symmetrically and fixedly connected to the bottom end face of the top plate and the top end face of the lifting plate, and a loading and unloading component is jointly and fixedly connected to the outer side surfaces of the two support frames.

[0007] As a further embodiment of the present invention: the clamping assembly specifically includes: a connecting shaft fixed to the bottom end face of the top plate and the top end face of the lifting plate; one end of the connecting shaft is fixedly connected to a housing, and one side of the housing has a telescopic groove; two symmetrical clamping blocks are movably connected inside the telescopic groove; one of the clamping blocks has a slot on its side; the opposing surfaces of the two clamping blocks have slots; a disc is movably connected between the two slots; a lifting groove is opened inside the connecting shaft, and a lifting rod is movably connected inside the lifting groove; one end of the lifting rod passes through the telescopic groove and is fixedly connected to the corresponding disc; the outer side of the lifting rod has teeth along its height direction; a rotating groove is opened on one side of the lifting rod, and a sector gear is rotatably connected inside the rotating groove; the sector gear meshes with the teeth on the lifting rod; a handle is fixedly connected to the outer side of the sector gear; two symmetrical limiting blocks are embedded on one side of the telescopic groove, and the limiting blocks contact the clamping blocks.

[0008] As a further embodiment of the present invention: the loading and unloading assembly specifically includes: a concave plate fixed to the outer surface of two support frames, the concave plate having a through groove inside, and a rotating shaft rotatably connected to the center of the through groove, two symmetrical strip plates fixedly connected to the outer side of the rotating shaft, and a receiving rod fixedly connected to one side edge of the strip plate, the two receiving rods being placed diagonally opposite each other, a stepper motor fixedly connected to the top surface of the concave plate corresponding to the rotating shaft, and the bottom output shaft of the stepper motor fixedly connected to the rotating shaft, two parallel axial flow fans embedded in the top and bottom surfaces of the through groove, a pressure resistance testing mechanism provided on the outer surface of the concave plate on one side of the through groove, and an auxiliary observation mechanism provided on the outer surface of the concave plate on the other side of the through groove.

[0009] As a further embodiment of the present invention: the compression testing mechanism specifically includes: a rectangular plate fixed on the outer surface of the concave plate, a rectangular groove is provided on one side of the rectangular plate, and a threaded rod is rotatably connected inside the rectangular groove, a matching movable seat is movably connected inside the rectangular groove, and a pressure cylinder is fixedly connected to one side of the movable seat, the threaded rod passes through the movable seat and is threadedly connected to it, a circular groove is provided at one end of the pressure cylinder, and the diameter of the circular groove is larger than the diameter of the rubber gasket to be tested, and a rotary motor is fixedly connected to one end of the rectangular plate, and the output shaft of the rotary motor is fixedly connected to the threaded rod.

[0010] As a further embodiment of the present invention: the auxiliary observation mechanism specifically includes: a support base fixed on the outer side of the concave plate, a cylinder embedded at the top side of the support base, and a connecting seat fixedly connected to the output shaft of the cylinder, an annular plate fixedly connected to the outer side of the connecting seat, and the inner diameter of the annular plate being larger than the diameter of the rubber pad to be tested, and a circular lens embedded on one side of the inner side of the annular plate, and a plurality of evenly distributed scale bars on the circular lens.

[0011] As a further aspect of the present invention: the length of the receiving rod is matched with the thickness of the rubber pad to be tested, and the diameter of the rubber pad is greater than the thickness of the strip plate.

[0012] As a further embodiment of the present invention: one end of the receiving rod is fixedly connected to an anti-detachment round head.

[0013] As a further embodiment of the present invention: the driving assembly specifically includes: a support plate located inside the workbench, a connecting block fixedly connected to the workbench at the corner of the top surface of the support plate, and a drive motor fixedly connected to one side of the bottom surface of the support plate. The output shaft of the drive motor passes through the support plate and is fixedly connected to a first pulley, and a second pulley is rotatably connected to one side of the first pulley. A first transmission belt connects the first pulley and the second pulley. A third pulley is movably connected to the bottom surface of the support plate corresponding to the position of the second pulley, and the third pulley is fixedly connected to the second pulley. A first guide wheel is movably connected to one side of the third pulley, and a second guide wheel is movably connected to the other side of the third pulley. A lead screw is rotatably connected to one side of the support frame, and the bottom end of the lead screw passes through the workbench and is fixedly connected to a fourth pulley. Two lead screws pass through the lifting plate and are threadedly connected to it. A second transmission belt connects the two fourth pulleys and the third pulley, and the second transmission belt passes through the first guide wheel and the second guide wheel. A limiting and stabilizing mechanism is provided on the other side of the support frame.

[0014] As a further embodiment of the present invention: the limiting and stabilizing mechanism specifically includes: two parallel optical axes fixed inside the support frame, a guide plate fixedly connected to the outer corner of the lifting plate, and an arc-shaped groove matching the optical axis opened on the outer side of the guide plate, the optical axis and the arc-shaped groove being fitted and movably connected.

[0015] As a further embodiment of the present invention: a control console is fixedly connected to one side of the top surface of the workbench.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. This application, through its clamping and loading / unloading components, facilitates the loading and unloading of rubber gaskets and enables rapid and precise clamping. Furthermore, the entire testing device boasts a high degree of automation, assisting personnel in completing testing tasks with less time and effort.

[0017] 2. Compared with traditional clamping equipment, the clamping assembly of this application is not only simpler to operate, but also can directly test the compressive strength of the front and back sides of the rubber gasket, making it highly applicable.

[0018] 3. The loading and unloading assembly of this application can complete loading and unloading simultaneously during the testing process, thereby improving testing efficiency. It can also blow air to clean the material rod and rubber pad, preventing the debris attached to them from affecting the test results and improving the test accuracy. In addition, the compression testing mechanism on the loading and unloading assembly can perform compression tests on the front and back of the rubber pad, while the auxiliary observation mechanism can help the staff to observe the test results more clearly.

[0019] 4. The drive components configured in this application can effectively improve the stability of the lifting plate's vertical movement and have a fast response speed, while also achieving high-precision positioning and control.

[0020] 5. The rubber gasket performance testing device of this application has two working modes. In the first working mode, the rubber gasket is first subjected to a tensile test and then a compressive test. In the second working mode, the rubber gasket is first subjected to a compressive test and then a tensile test. These two working modes can better simulate the test state of the rubber gasket under different working conditions and have high adaptability. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a device for testing the performance of a rubber gasket. Figure 2 A view showing the connection between the lead screw and the optical axis in a testing device for the performance of a rubber gasket; Figure 3 In a testing device for the performance of a rubber gasket Figure 2 Enlarged view of part A; Figure 4 A view showing the combination of a drive motor and a third pulley in a testing device for the performance of a rubber gasket; Figure 5 This is a view of the combination of the first pulley and the second pulley in a test device for the performance of a rubber gasket; Figure 6 This is a schematic diagram of the clamping component in a testing device for the performance of a rubber gasket. Figure 7 An internal view of the clamping assembly in a testing device for the performance of a rubber gasket; Figure 8 This is a side view of a concave plate in a testing device for the performance of a rubber gasket. Figure 9 This is an internal view of a concave plate in a testing device for the performance of a rubber gasket.

[0022] In the diagram: 1. Workbench; 2. Support frame; 3. Lifting plate; 4. Top plate; 5. Concave plate; 6. Connecting shaft; 7. Housing; 8. Telescopic groove; 9. Clamping block; 10. Groove; 11. Slot; 12. Limiting block; 13. Lifting groove; 14. Lifting rod; 15. Gear; 16. Sector gear; 17. Handle; 18. Rotating groove; 19. Disc; 20. Control console; 21. Lead screw; 22. Fourth pulley; 23. Optical shaft; 24. Guide plate; 25. Arc groove; 26. Support plate; 27. Connecting block; 28. Drive motor; 29. ​​First pulley; 30. 31. Second pulley; 32. First transmission belt; 33. Third pulley; 34. Second guide wheel; 35. First guide wheel; 36. Second transmission belt; 37. Stepper motor; 38. Through slot; 39. Rotating shaft; 40. Strip plate; 41. Receiving rod; 42. Anti-detachment round head; 43. Axial flow fan; 44. Rubber pad; 45. Rectangular plate; 46. Rectangular groove; 47. Threaded rod; 48. Moving seat; 49. Pressure cylinder; 50. Circular groove; 51. Rotary motor; 52. Support seat; 53. Cylinder; 54. Connecting seat; 55. Annular plate; 56. Circular lens. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] As mentioned in the background section of this application, research has found that existing tensile testing equipment specifically designed for rubber gaskets 43 is not convenient enough for loading and unloading rubber gaskets 43, and cannot quickly and accurately clamp the rubber gaskets 43, thus having certain shortcomings.

[0025] To address the aforementioned deficiencies, this application discloses a testing device for the performance of rubber gaskets, which facilitates the loading and unloading of rubber gaskets 43 and enables rapid and precise clamping of the rubber gaskets 43.

[0026] The following will describe in detail, with reference to the accompanying drawings, how the solution of this application solves the above-mentioned technical problems.

[0027] Please see Figures 1-9In this embodiment of the invention, a testing device for the performance of a rubber gasket includes a workbench 1. Support frames 2 are symmetrically fixedly connected to both sides of the top surface of the workbench 1. A lifting plate 3 is movably connected between the two support frames 2. A driving assembly is provided inside the workbench 1 below the lifting plate 3 to drive the lifting plate 3 to move up and down. A top plate 4 is fixedly connected to the top of both support frames 2. A clamping assembly is symmetrically fixedly connected to the bottom surface of the top plate 4 and the top surface of the lifting plate 3. Loading and unloading assemblies are fixedly connected to the outer surfaces of both support frames 2. This application facilitates the loading and unloading of rubber gaskets 43 and enables rapid and accurate clamping of the rubber gaskets 43.

[0028] In this embodiment, the clamping assembly specifically includes: a connecting shaft 6 fixed to the bottom surface of the top plate 4 and the top surface of the lifting plate 3; a housing 7 fixedly connected to one end of the connecting shaft 6; a telescopic groove 8 provided on one side of the housing 7; two symmetrical clamping blocks 9 movably connected inside the telescopic groove 8; a slot 10 provided on the side of one clamping block 9; slots 11 provided on the opposite sides of the two clamping blocks 9; a disc 19 movably connected between the two slots 11; and a lifting groove 13 provided inside the connecting shaft 6, with the lifting groove 13 movably connected inside... The device includes a lifting rod 14, one end of which extends through the telescopic groove 8 and is fixedly connected to the corresponding disc 19. The outer surface of the lifting rod 14 has teeth 15 along its height direction. A rotating groove 18 is formed on one side of the lifting rod 14, and a sector gear 16 is rotatably connected inside the rotating groove 18. The sector gear 16 meshes with the teeth 15 on the lifting rod 14, and a handle 17 is fixedly connected to the outer surface of the sector gear 16. Two symmetrical limiting blocks 12 are embedded on one side of the telescopic groove 8, and the limiting blocks 12 contact the clamping block 9. Compared with traditional clamping equipment, the clamping assembly of this application is not only simpler to operate, but also allows direct testing of the compressive strength of the front and back sides of the rubber gasket 43, making it highly applicable.

[0029] In this embodiment, the loading and unloading assembly specifically includes: a concave plate 5 fixed on the outer surface of two support frames 2; a through groove 37 is provided inside the concave plate 5; a rotating shaft 38 is rotatably connected to the center of the through groove 37; two symmetrical strip plates 39 are fixedly connected to the outer side of the rotating shaft 38; a receiving rod 40 is fixedly connected to one side edge of the strip plate 39; the two receiving rods 40 are placed diagonally opposite each other; a stepper motor 36 is fixedly connected to the top surface of the concave plate 5 corresponding to the position of the rotating shaft 38; the bottom output shaft of the stepper motor 36 is fixedly connected to the rotating shaft 38; two parallel axial flow fans 42 are embedded on the top and bottom surfaces of the through groove 37; a pressure resistance testing mechanism is provided on the outer surface of the concave plate 5 on one side of the through groove 37; and an auxiliary observation mechanism is provided on the outer surface of the concave plate 5 on the other side of the through groove 37. The loading and unloading assembly of this application can complete loading and unloading simultaneously during the testing process, thereby improving testing efficiency. It can also blow air to clean the material rod 40 and the rubber pad 43 to prevent the debris attached to them from affecting the test results and improve the test accuracy.

[0030] In this embodiment, the compression testing mechanism specifically includes: a rectangular plate 44 fixed to the outer surface of the concave plate 5; a rectangular groove 45 is formed on one side of the rectangular plate 44, and a threaded rod 46 is rotatably connected inside the rectangular groove 45; a matching movable seat 47 is movably connected inside the rectangular groove 45, and a pressure cylinder 48 is fixedly connected to one side of the movable seat 47; the threaded rod 46 passes through the movable seat 47 and is threadedly connected to it; a circular groove 49 is formed at one end of the pressure cylinder 48, and the diameter of the circular groove 49 is larger than the diameter of the rubber gasket 43 to be tested; a rotary motor 50 is fixedly connected to one end of the rectangular plate 44, and the output shaft of the rotary motor 50 is fixedly connected to the threaded rod 46. The compression testing mechanism can perform compression tests on both sides of the rubber gasket 43.

[0031] In this embodiment, the auxiliary observation mechanism specifically includes: a support base 51 fixed to the outer surface of the concave plate 5; a cylinder 52 is embedded in the top side of the support base 51; the output shaft of the cylinder 52 is fixedly connected to a connecting seat 53; an annular plate 54 is fixedly connected to the outer side of the connecting seat 53; the inner diameter of the annular plate 54 is larger than the diameter of the rubber pad 43 to be tested; a circular lens 55 is embedded in one side of the inner surface of the annular plate 54; and the circular lens 55 has several evenly distributed scale strips. This auxiliary observation mechanism helps personnel to observe the test results more clearly.

[0032] In this embodiment, the length of the receiving rod 40 matches the thickness of the rubber pad 43 to be tested, and the diameter of the rubber pad 43 is greater than the thickness of the strip plate 39. This arrangement ensures that the rubber pad 43 can be smoothly clamped by the clamping assembly.

[0033] In this embodiment, an anti-detachment round head 41 is fixedly connected to one end of the receiving rod 40. The anti-detachment round head 41 can effectively prevent the rubber pad 43 from detaching from the receiving rod 40 during the rotation of the strip plate 39.

[0034] In this embodiment, the driving assembly specifically includes: a support plate 26 located inside the workbench 1; a connecting block 27 is fixedly connected between the top corner of the support plate 26 and the workbench 1; a drive motor 28 is fixedly connected to one side of the bottom surface of the support plate 26; the output shaft of the drive motor 28 passes through the support plate 26 and is fixedly connected to a first pulley 29; a second pulley 30 is rotatably connected to one side of the first pulley 29; a first transmission belt 31 connects the first pulley 29 and the second pulley 30; and a third pulley 32 is movably connected to the bottom surface of the support plate 26 corresponding to the position of the second pulley 30. The third pulley 32 is fixedly connected to the second pulley 30. A first guide wheel 34 is movably connected to one side of the third pulley 32, and a second guide wheel 33 is movably connected to the other side of the third pulley 32. A lead screw 21 is rotatably connected to one side of the support frame 2, and the bottom end of the lead screw 21 passes through the worktable 1 and is fixedly connected to a fourth pulley 22. Two lead screws 21 pass through the lifting plate 3 and are threadedly connected to it. A second transmission belt 35 connects the two fourth pulleys 22 and the third pulley 32, and the second transmission belt 35 passes through the first guide wheel 34 and the second guide wheel 33. A limit and stabilization mechanism is provided on the other side of the support frame 2. Through the designed drive components, the stability of the lifting plate 3's vertical movement can be effectively improved, and it has a fast response speed, while also achieving high-precision positioning and control.

[0035] In this embodiment, the limiting and stabilizing mechanism specifically includes: two parallel optical axes 23 fixed inside the support frame 2; a guide plate 24 fixedly connected to the outer corner of the lifting plate 3; and an arc-shaped groove 25 matching the optical axes 23 opened on the outer side of the guide plate 24. The optical axes 23 and the arc-shaped groove 25 are fitted together and movably connected. The limiting and stabilizing mechanism can further improve the stability of the lifting plate 3 moving up and down.

[0036] In this embodiment, a control console 20 is fixedly connected to one side of the top surface of the workbench 1. The control console 20 is electrically connected to the drive motor 28, the stepper motor 36, and the axial fan 42, and can control their operating status.

[0037] The working principle of this invention is as follows: the rubber gasket performance testing device has two working modes. In the first working mode, the rubber gasket 43 is first subjected to a tensile test and then a compressive test. In the second working mode, the rubber gasket 43 is first subjected to a compressive test and then a tensile test. These two working modes can better simulate the test state of the rubber gasket 43 under different working conditions and have high adaptability.

[0038] The specific workflow of the first working mode is as follows: First, the stepper motor 36 of the loading and unloading assembly drives the rotating shaft 38 to rotate 90 degrees clockwise. Then, the staff puts the first rubber pad 43 to be tested on the receiving rod 40 on the side away from the support frame 2. During the process, the rubber pad 43 passes over the anti-detachment round head 41, and the anti-detachment round head 41 plays a certain limiting role on the rubber pad 43. Then, the drive assembly raises the lifting plate 3 to a preset position. Specifically, the drive motor 28 drives the first pulley 29 to rotate, which in turn drives the second pulley 30 to rotate via the first transmission belt 31. The second pulley 30 drives the third pulley 32 to rotate, and the third pulley 32 drives the two fourth pulleys 22 to rotate synchronously via the second transmission belt 35. During this process, the first guide wheel 34 and the second guide wheel 33 guide the second transmission belt 35, while the rotation of the fourth pulleys 22 drives the lead screw 21 connected to them to rotate. The lifting plate 3 slowly rises along the two lead screws 21. During this process, the optical shaft 23 and the arc groove 25 of the guide plate 24 undergo relative displacement, effectively improving the stability of the lifting plate 3's vertical movement. After the lifting plate 3 rises to the preset position, the stepper motor 36 of the loading and unloading assembly drives the rotating shaft 38 to rotate 180 degrees clockwise. At this time, the first rubber pad 43 to be tested is located between the two clamping assemblies.

[0039] Next, the staff clamped the upper and lower ends of the rubber pad 43 using two clamping components. Specifically, the handle 17 of the upper clamping component was pushed upward, and the handle 17 of the lower clamping component was pushed downward. When the handle 17 was pushed, the sector gear 16 connected to it rotated relative to the rotating groove 18. Since the sector gear 16 meshed with the teeth 15 on the lifting rod 14, the rotation of the sector gear 16 drove the lifting rod 14 to move relative to the lifting groove 13. The disc 19 connected to the lifting rod 14 followed the movement, which in turn drove the clamping block 9 to move along the telescopic groove 8. During the movement, the two clamping blocks 9 in the same telescopic groove 8 approached each other due to the inclined plane until the two clamping blocks 9 extended out of the telescopic groove 8 and clamped the first rubber pad 43 to be tested. At this time, the rubber pad 43 was just clamped in the slot 11. It should be noted that when the clamping assembly clamps the rubber gasket 43, the compressive strength of both sides of the rubber gasket 43 can be tested directly by adjusting the clamping force, i.e., by continuing to operate the handle 17, making it highly applicable. After the rubber gasket 43 is clamped, the stepper motor 36 of the loading and unloading assembly drives the rotating shaft 38 to rotate 90 degrees counterclockwise. At this time, the rubber gasket 43 disengages from the receiving rod 40, and the two strip plates 39 rotate into the through groove 37. Subsequently, a tensile test is performed on the first rubber gasket 43, i.e., the drive assembly moves the lifting plate 3 downward. During this process, the clamping assembly below stretches the rubber gasket 43. After this tensile test is completed, the drive assembly moves again to raise the lifting plate 3 to the preset position. Then, the stepper motor 36 of the loading and unloading assembly drives the rotating shaft 38 to rotate 90 degrees clockwise. At this time, the receiving rod 40 passes through the rubber gasket 43 and sleeves it on the outside. Next, the operator loosens the first rubber gasket 43 by turning handle 17, and simultaneously places the second rubber gasket 43 onto another receiving rod 40. Then, the stepper motor 36 drives the rotating shaft 38 to rotate 90 degrees clockwise. At this point, the first rubber gasket 43 is located in the through groove 37. Next, a pressure test is performed on it using a pressure testing mechanism. Specifically, the rotary motor 50 drives the threaded rod 46 to rotate, and the movable seat 47 in the rectangular groove 45 moves closer to the concave plate 5 along the threaded rod 46. During this process, the pressure cylinder 48 moves accordingly, and the rubber gasket 43 gradually enters the circular groove 49 of the pressure cylinder 48. As the pressure cylinder 48 continues to move, the inner wall of the circular groove 49 presses against the rubber gasket 43 to perform the pressure test. After the pressure test is completed, the pressure test mechanism is returned to its initial position. The stepper motor 36 drives the rotating shaft 38 to rotate 90 degrees clockwise. At this time, the second rubber pad 43 reaches the clamping position, while the first rubber pad 43 reaches the position where it is horizontally aligned with the circular lens 55 of the auxiliary observation mechanism.Subsequently, the test results of the first rubber gasket 43 are observed through an auxiliary observation mechanism. Specifically, the cylinder 52 extends its output shaft, causing the connecting seat 53 and the annular plate 54 to move closer to the first rubber gasket 43. When the output shaft of the cylinder 52 extends to its maximum length, the annular plate 54 is just fitted over the outside of the first rubber gasket 43. At this time, the operator can carefully observe the deformation state of the first rubber gasket 43 after the test through the scale strip on the circular lens 55, and use this to determine whether the performance of the first rubber gasket 43 is qualified. After the observation is completed, the auxiliary observation mechanism is returned to its initial position, and then the second rubber gasket 43 is clamped by two clamping components to begin the second round of testing. This process is repeated until all rubber gaskets 43 have been tested and observed. It should be noted that during the test, the axial flow fans 42 above and below the through groove 37 form air convection on both sides inside the through groove 37. The rubber pad 43 and the receiving rod 40 are cleaned by air convection each time they pass through the through groove 37, so as to avoid the debris attached to them from affecting the test results and improve the test accuracy.

[0040] The specific workflow of the second working mode is as follows: First, the stepper motor 36 of the loading / unloading assembly drives the rotating shaft 38 to rotate 90 degrees counterclockwise. Then, the operator places the first rubber pad 43 to be tested onto the receiving rod 40 on the side away from the support frame 2. Next, the drive assembly raises the lifting plate 3 to the preset position, and the stepper motor 36 of the loading / unloading assembly drives the rotating shaft 38 to rotate 90 degrees counterclockwise. At this time, the first rubber pad 43 to be tested is exactly located in the through groove 37, and then it is subjected to a compression test by the compression testing mechanism. After the compression test is completed, the compression testing mechanism is returned to its initial state, and the stepper motor 36 drives the rotating shaft 38 to rotate 90 degrees counterclockwise. At this time, the first rubber pad 43 to be tested is exactly located between the two clamping components.

[0041] Next, the operator clamps the upper and lower ends of the rubber pad 43 using two clamping components. After the rubber pad 43 is clamped, the stepper motor 36 of the loading / unloading component drives the rotating shaft 38 to rotate 90 degrees counterclockwise. At this point, the rubber pad 43 disengages from the receiving rod 40, and the two strip plates 39 rotate into the through groove 37. Subsequently, a tensile test is performed on the first rubber pad 43. After the tensile test is completed, the stepper motor 36 of the loading / unloading component drives the rotating shaft 38 to rotate 90 degrees clockwise. The receiving rod 40 passes through the rubber pad 43 and fits it onto the outside. Then, by pulling the handle 17, the clamping component releases the first rubber pad 43. At the same time, the operator places the second rubber pad 43 onto another receiving rod 40. Subsequently, the stepper motor 36 drives the rotating shaft 38 to rotate 180 degrees clockwise. At this point, the second rubber pad 43 reaches the clamping position, while the first rubber pad 43 reaches the position where it is horizontally aligned with the circular lens 55 of the auxiliary observation mechanism. Subsequently, the test results of the first rubber gasket 43 are observed through an auxiliary observation mechanism. After the observation is completed, the auxiliary observation mechanism is returned to its initial position, and then the rotating shaft 38 is rotated 90 degrees clockwise, so that the second rubber gasket 43 enters the through groove 37 to be subjected to a pressure test by the pressure testing mechanism. This process is repeated until all rubber gaskets 43 have been tested and observed.

[0042] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

[0043] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A testing device for the performance of rubber gaskets, characterized in that, The workbench (1) includes a workbench (1), on both sides of the top surface of the workbench (1) are symmetrically fixedly connected to support frames (2), and a lifting plate (3) is movably connected between the two support frames (2). The workbench (1) below the lifting plate (3) is provided with a drive assembly for driving the lifting plate (3) to move up and down. The top ends of the two support frames (2) are fixedly connected to a top plate (4), and the bottom end face of the top plate (4) and the top end face of the lifting plate (3) are symmetrically fixedly connected to a clamping assembly. The outer sides of the two support frames (2) are fixedly connected to a loading and unloading assembly. The loading and unloading assembly specifically includes: a concave plate (5) fixed on the outer side of two support frames (2), a through groove (37) is provided inside the concave plate (5), and a rotating shaft (38) is rotatably connected to the center of the through groove (37). Two symmetrical strip plates (39) are fixedly connected to the outer side of the rotating shaft (38), and a receiving rod (40) is fixedly connected to one side edge of the strip plate (39). The two receiving rods (40) are placed diagonally opposite each other. A stepper motor (36) is fixedly connected to the top surface of the concave plate (5) corresponding to the position of the rotating shaft (38), and the bottom output shaft of the stepper motor (36) is fixedly connected to the rotating shaft (38). Two parallel axial flow fans (42) are embedded on the top and bottom surfaces of the through groove (37). A pressure resistance testing mechanism is provided on the outer side of the concave plate (5) on one side of the through groove (37), and an auxiliary observation mechanism is provided on the outer side of the concave plate (5) on the other side of the through groove (37).

2. The testing device for the performance of a rubber gasket according to claim 1, characterized in that, The clamping assembly specifically includes: a connecting shaft (6) fixed to the bottom end face of the top plate (4) and the top end face of the lifting plate (3), one end of the connecting shaft (6) being fixedly connected to a housing (7), and a telescopic groove (8) being provided on one side of the housing (7), two symmetrical clamping blocks (9) being movably connected inside the telescopic groove (8), one of the clamping blocks (9) having a slot (10) on its side, and slots (11) being provided on the opposite sides of the two clamping blocks (9), and a disc body (19) being movably connected between the two slots (11), and a lifting groove (13) being provided inside the connecting shaft (6), and a lifting plate being movably connected inside the lifting groove (13). The lifting rod (14) has one end extending through the telescopic groove (8) and fixedly connected to the corresponding disc (19). The outer side of the lifting rod (14) is provided with teeth (15) along its height direction. A rotating groove (18) is provided on one side of the lifting rod (14), and a sector gear (16) is rotatably connected inside the rotating groove (18). The sector gear (16) meshes with the teeth (15) on the lifting rod (14), and a handle (17) is fixedly connected to the outer side of the sector gear (16). Two symmetrical limiting blocks (12) are embedded on one side of the telescopic groove (8), and the limiting blocks (12) are in contact with the clamping block (9).

3. The testing device for the performance of a rubber gasket according to claim 2, characterized in that, The pressure resistance testing mechanism specifically includes: a rectangular plate (44) fixed on the outer side of the concave plate (5), a rectangular groove (45) is provided on one side of the rectangular plate (44), and a threaded rod (46) is rotatably connected inside the rectangular groove (45), a matching movable seat (47) is movably connected inside the rectangular groove (45), and a pressure cylinder (48) is fixedly connected on one side of the movable seat (47), the threaded rod (46) passes through the movable seat (47) and is threadedly connected to it, a circular groove (49) is provided at one end of the pressure cylinder (48), and the diameter of the circular groove (49) is larger than the diameter of the rubber pad (43) to be tested, a rotary motor (50) is fixedly connected to one end of the rectangular plate (44), and the output shaft of the rotary motor (50) is fixedly connected to the threaded rod (46).

4. The testing device for the performance of a rubber gasket according to claim 3, characterized in that, The auxiliary observation mechanism specifically includes: a support seat (51) fixed on the outer side of the concave plate (5), a cylinder (52) is embedded at the top side of the support seat (51), and the output shaft of the cylinder (52) is fixedly connected to a connecting seat (53). An annular plate (54) is fixedly connected to the outer side of the connecting seat (53), and the inner diameter of the annular plate (54) is larger than the diameter of the rubber pad (43) to be tested. A circular lens (55) is embedded on one side of the inner side of the annular plate (54), and several evenly distributed scale bars are provided on the circular lens (55).

5. The testing device for the performance of a rubber gasket according to claim 4, characterized in that, The length of the receiving rod (40) matches the thickness of the rubber pad (43) to be tested, and the diameter of the rubber pad (43) is greater than the thickness of the strip plate (39).

6. The testing device for the performance of a rubber gasket according to claim 5, characterized in that, One end of the receiving rod (40) is fixedly connected to an anti-detachment round head (41).

7. The testing device for the performance of a rubber gasket according to claim 1, characterized in that, The drive assembly specifically includes: a support plate (26) located inside the workbench (1), a connecting block (27) fixedly connected between the top corner of the support plate (26) and the workbench (1), and a drive motor (28) fixedly connected to one side of the bottom end of the support plate (26). The output shaft of the drive motor (28) passes through the support plate (26) and is fixedly connected to a first pulley (29), and a second pulley (30) is rotatably connected to one side of the first pulley (29). A first transmission belt (31) connects the first pulley (29) and the second pulley (30). A third pulley (32) is movably connected to the bottom end of the support plate (26) at a position corresponding to the second pulley (30), and the third pulley (32) is connected to... The second pulleys (30) are fixedly connected. The first guide wheel (34) is movably connected to one side of the third pulley (32), and the second guide wheel (33) is movably connected to the other side of the third pulley (32). The screw (21) is rotatably connected to one side of the support frame (2), and the bottom end of the screw (21) passes through the workbench (1) and is fixedly connected to the fourth pulley (22). The two screws (21) pass through the lifting plate (3) and are threadedly connected to it. The two fourth pulleys (22) are connected to the third pulley (32) by a second transmission belt (35), and the second transmission belt (35) passes through the first guide wheel (34) and the second guide wheel (33). The other side of the support frame (2) is provided with a limit and stabilization mechanism.

8. The testing device for the performance of a rubber gasket according to claim 7, characterized in that, The limiting and stabilizing mechanism specifically includes: two parallel optical axes (23) fixed inside the support frame (2), a guide plate (24) fixedly connected to the outer corner of the lifting plate (3), and an arc groove (25) matching the optical axis (23) opened on the outer side of the guide plate (24), the optical axis (23) and the arc groove (25) being attached and movably connected.

9. The testing device for the performance of a rubber gasket according to claim 1, characterized in that, A control console (20) is fixedly connected to one side of the top surface of the workbench (1).

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