Disc spring testing device

Abstract

The utility model discloses a disc spring testing device, and relates to the technical field of disc spring testing. The bottom of the extrusion device is fixedly connected with an extrusion plate, the top of an inner cavity of the extrusion plate is movably connected with a rotating disc, a second sliding block is slidably connected into the curve sliding groove, a sliding block is arranged at the bottom of the second sliding block, and the bottom of the sliding block is fixedly connected with a guide mandrel. A motor arranged in the extrusion device drives a driving gear to rotate so that a rotating disc meshed with the surface of the driving gear can rotate, due to the fact that a curve sliding groove is formed in the rotating disc, a sliding block can be driven to slide in the curve sliding groove when the rotating disc rotates, and the sliding distance of a guiding mandrel in a guiding groove is changed; the guide core shaft can be clamped in the disc spring, so that the center of the disc spring can be on the same straight line, and deviation of detection data due to the fact that the center of the disc spring is not on the same straight line in the detection process can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of disc spring testing, in particular to a disc spring testing device. Background Art

[0002] Disc springs are also known as Belleville spring washers. Disc springs are special springs that are tapered in the axial direction and bear loads. After being deformed under load, they store a certain amount of potential energy. When the bolts become loose, the disc springs release part of the potential energy to maintain the pressure between the flange connections to meet the sealing requirements. The stress distribution of disc springs decreases evenly from the inside to the outside, and can achieve the effect of low stroke and high compensation force. When the existing detection device detects the performance of disc springs, because different disc springs may have different outer diameters and diameters, after the disc springs are placed in the placement slot, it cannot ensure that the center lines of all disc springs are in a straight line, which will cause deviations in the detection data during the pressure value detection process. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a disc spring testing device, which solves the problem that different disc springs may have different outer diameters and diameters, and after the disc springs are placed in the placement slots, it cannot be guaranteed that the center lines of all disc springs are in a straight line, which may cause deviations in the detection data during the detection process.

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a disc spring testing device. It includes a testing assembly, the testing assembly includes a guide rod, a slide groove is provided on the inner side of the guide rod, a cylinder is fixedly connected to the top of the guide rod, a squeezing device is fixedly connected to the bottom of the squeezing device, a squeezing plate is fixedly connected to the bottom of the squeezing device, a guide groove is provided at the bottom of the squeezing plate, a turntable is movably connected to the top of the inner cavity of the squeezing plate, a curved slide groove is provided inside the turntable, a second slider is slidably connected to the inside of the curved slide groove, a slider is provided at the bottom of the second slider, and a guide mandrel is fixedly connected to the bottom of the slider.

[0005] Preferably, two ends of the extrusion device are protruded with side sliding rods, and the side sliding rods are slidably connected to the inside of the sliding groove.

[0006] Preferably, the bottom of the guide rod is fixedly connected to a base, the bottom of the guide rod is protruded with a turntable, and a pressure sensor is arranged inside the turntable.

[0007] Preferably, the guide core shaft is slidably connected inside the guide groove.

[0008] Preferably, the curved slide groove is arranged as a curve, and the second sliding block and the guide core shaft are slidably connected inside the curved slide groove and the guide groove respectively.

[0009] Preferably, a driving gear is meshed on the outside of the turntable, a motor is arranged on the top of the extrusion device, and the output end of the motor passes through the top of the extrusion plate and is fixedly connected to the driving gear at the top of the inner cavity of the extrusion plate.

[0010] The utility model provides a disc spring testing device. Compared with the prior art, it has the following beneficial effects:

[0011] 1. A testing device for disc springs, wherein a motor arranged inside an extrusion device drives a driving gear to rotate so that a turntable meshing with the surface of the driving gear rotates. Due to a curved slide groove provided inside the turntable, the slider can be driven to slide inside the curved slide groove when the turntable rotates, thereby changing the sliding distance of the guide core shaft inside the guide groove, so that the guide core shaft can be clamped inside the disc spring, so that the center of the disc spring can be in a straight line, and the deviation of the detection data due to the fact that the center of the disc spring is not in a straight line can be avoided during the detection process.

[0012] 2. A disc spring testing device, which drives the extrusion plate arranged at the bottom of the extrusion device downward through an oil cylinder to perform pressure detection on the disc spring placed inside the bottom turntable. After the guide core shaft arranged at the bottom of the extrusion plate can control the center of the disc spring to be in the same straight line, the pressure value of the disc spring can be detected, which can avoid the situation in which the disc spring may be squeezed out of the bottom of the extrusion plate and fly out to injure people due to the top pressure during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0016] Figure 4 For this utility model Figure 2 Detail of location A.

[0017] In the figure: 1. test assembly; 11. guide rod; 12. slide; 13. oil cylinder; 14. extrusion device; 140. side slide rod; 15. extrusion plate; 150. guide groove; 16. turntable; 160. curved slide; 17. driving gear; 18. slider; 19. guide mandrel; 110. second slider; 111. pressure sensor; 112. base. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a disc spring testing device. The test assembly 1 comprises a guide rod 11, a slide groove 12 is provided on the inner side of the guide rod 11, a cylinder 13 is fixedly connected to the top of the guide rod 11, a squeezing device 14 is fixedly connected to the bottom of the squeezing device 14, a squeezing plate 15 is fixedly connected to the bottom of the squeezing device 14, a guide groove 150 is provided at the bottom of the squeezing plate 15, a turntable 16 is movably connected to the top of the inner cavity of the squeezing plate 15, a curved slide groove 160 is provided inside the turntable 16, a second slider 110 is slidably connected inside the curved slide groove 160, a slider 18 is provided at the bottom of the second slider 110, a guide core shaft 19 is fixedly connected to the bottom of the slider 18, a disc spring is placed inside the turntable 16, and a driving gear 17 is driven to rotate by controlling the motor. When the turntable 16 meshed with the surface of the driving gear 17 is driven to rotate, the slider 18 inside the curved slide groove 160 is driven to change the distance of the guide core shaft 19 inside the guide groove 150, thereby changing the diameter of the disc spring that can be fixed by the guide core shaft 19, and fixing the center of the disc spring.

[0020] See also Figure 1-4 The two ends of the extrusion device 14 are protruded with side sliding rods 140, which are slidably connected to the inside of the slide groove 12. The bottom of the guide rod 11 is fixedly connected with a base 112. The bottom of the guide rod 11 is protruded with a turntable 16. The turntable 16 is an active sensor, which requires an external power supply and a positive electrode. After the positive electrode is input, the signal is amplified through a bridge, a resistor and an amplifier, and then transmitted to the computer board. It converts the external pressure value into a voltage signal, and can determine the actual pressure according to the voltage change. The force changes and then the value is output. A pressure sensor 111 is arranged inside the turntable 16. The guide core shaft 19 is slidably connected inside the guide groove 150. The curved slide groove 160 is arranged as a curve. The second slider 110 and the guide core shaft 19 are slidably connected inside the curved slide groove 160 and the guide groove 150 respectively. A driving gear 17 is meshed on the outside of the turntable 16. A motor is arranged on the top of the extrusion device 14, and the output end of the motor passes through the top of the extrusion plate 15 and is fixedly connected to the top of the inner cavity of the extrusion plate 15 with the driving gear 17.

[0021] During use, when it is necessary to fix the center of the disc spring, first, the motor arranged inside the extrusion device 14 drives the active gear 17 to rotate so that the turntable 16 meshing on the surface of the active gear 17 rotates. Due to the curved slide groove 160 opened inside the turntable 16, the slider 18 can be driven to slide inside the curved slide groove 160 when the turntable 16 rotates, thereby changing the sliding distance of the guide core shaft 19 in the guide groove 150, so that the guide core shaft 19 can be clamped inside the disc spring, so that the center of the disc spring can be in a straight line, which can avoid the detection data from being deviated due to the fact that the center of the disc spring is not in a straight line during the detection process, and can also avoid the disc spring being squeezed out of the bottom of the extrusion plate 15 due to the top pressure during the detection process and flying out to injure people.

[0022] In this embodiment, a disc spring testing device, among the above-mentioned components, its own structural features and working principles all adopt the existing technology and will not be described in detail here.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disc spring testing device, comprising a testing assembly (1), characterized in that: The test assembly (1) comprises a guide rod (11), a slide groove (12) is provided on the inner side of the guide rod (11), a cylinder (13) is fixedly connected to the top of the guide rod (11), a squeeze device (14) is fixedly connected to the bottom of the squeeze device (14), a squeeze plate (15) is fixedly connected to the bottom of the squeeze device (14), a guide groove (150) is provided on the bottom of the squeeze plate (15), a turntable (16) is movably connected to the top of the inner cavity of the squeeze plate (15), a curved slide groove (160) is provided inside the turntable (16), a second slider (110) is slidably connected inside the curved slide groove (160), a slider (18) is provided at the bottom of the second slider (110), and a guide core shaft (19) is fixedly connected to the bottom of the slider (18).

2. A disc spring testing device according to claim 1, characterized in that: Both ends of the extrusion device (14) are protruded with side sliding rods (140), and the side sliding rods (140) are slidably connected inside the sliding groove (12).

3. A disc spring testing device according to claim 1, characterized in that: The bottom of the guide rod (11) is fixedly connected to a base (112), the bottom of the guide rod (11) is protruded with a rotating disk (16), and a pressure sensor (111) is arranged inside the rotating disk (16).

4. A disc spring testing device according to claim 1, characterized in that: The guide core shaft (19) is slidably connected inside the guide groove (150).

5. A disc spring testing device according to claim 1, characterized in that: The curved sliding groove (160) is arranged to be a curve, and the second sliding block (110) and the guide core shaft (19) are slidably connected inside the curved sliding groove (160) and the guide groove (150) respectively.

6. A disc spring testing device according to claim 3, characterized in that: The outside of the rotating disk (16) is meshed with a driving gear (17), and the top of the extrusion device (14) is provided with a motor, and the output end of the motor passes through the top of the extrusion plate (15) and is fixedly connected to the driving gear (17) at the top of the inner cavity of the extrusion plate (15).

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